David should be given a Power User account to perform his job as a help desk technician. The correct option is c. Power User.
A Power User account allows a user to install programs and printers, but does not give full access to change everything on a Windows workstation. This type of account is designed for users who need more permissions than a standard user, but not as much as an Administrator. A Remote Desktop User account is used for remote access to a computer, a Guest account is for temporary or infrequent users, and an Administrator account has full access to change everything on a Windows workstation.
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You need to connect several network devices together using twisted pair Ethernet cables. Assuming Auto-MDI/MDIX is not enabled on these devices, drag the appropriate type of cabling on the left to each connection type on the right.
Left = Workstation to switch; Router to switch; Switch to switch; Workstation to router; Router to router
Right = Straight-through Ethernet cable; Straight-through Ethernet cable; Crossover Ethernet cable; Crossover Ethernet cable; Crossover Ethernet cable
The wiring of the cable determines whether it is a straight-through or crossover Ethernet cable. A crossover Ethernet cable is used to connect two similar devices directly to each other, whereas a straight-through Ethernet cable is used to connect a device to a switch or router.
Left:Straight-through Ethernet connection from the switch to the workstation.Straight-through Ethernet cable from the router to the switch.from switch to switch Ethernet crossover cable.Computer to router: Ethernet crossover cable.between routers: Ethernet crossover cable.Right:Direct Ethernet cable: Workstation to switch, Router to switch.Ethernet crossover cable Workstation to router, router to router, switch to switch.To know more about Ethernet cable visit:
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you must keep track of some data items. your options are: a. a singly linked list. upon insertion the list is searched so the item can be placed in the proper location to maintain sorted order. b. a binary search tree. For the following scenarios which of these options is best? justify your selection. 1. The items arrive with values having a uniform random distribution. 10000 insertions are performed, followed by 2 searches. 2. The items are guaranteed to arrive already sorted from highest to lowest (i.e., whenever an item is inserted, its key value will always be less than that of the last record inserted). A total of 10000 insertions are performed, followed by 100 searches.
One data item and one pointer are present in each node of a singly-linked list. "Null" is the value of the pointer in the final node (or the address 0).
An empty list is created when Head = Null.
A single-item list is contained in the Head -> 13 -> Null section.
Two things are listed at Head -> 13 -> 42 -> Null.
Depending on the data, there are times when we wish to keep our singly-linked list in some sort of order. Then, to locate the correct site, we must browse the list. For instance, if we have Head -> 13 -> 42 -> 76 -> 101 -> Null and want to insert the value 53, we must insert it between 42 and 76, and to achieve this, we want a pointer to the node holding 42.
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Suppose that three coordinate frames o1x1y1z1, o2x2y2z2, and o3x3y3z3 are given , and suppose
1R2 = 10000.5-0.300.30.5, 1R3=00-1010100
Find the Matrix 2R3
2R3 = (-0.433 0.259 -0.866)\s(0 1 is the answer. Utilizing the formula: we can determine the rotation matrix 2R3.
2R3 = 2R1 * (1R3)^(-1) * 1R1
where (1R3)(-1) is the inverse of the rotation matrix from frame 1 to frame 3, and (2R1) is the rotation matrix from frame 2 to frame 1, 1R3 is the rotation matrix from frame 1 to frame 3, and so on.
We are informed that
1R2 = 10000.5-0.300.30.5 (rotation matrix from frame 1 to frame 2) (rotation matrix from frame 1 to frame 2)
1R3 = 00-1010100 (rotation matrix from frame 1 to frame 3) (rotation matrix from frame 1 to frame 3)
We can use the knowledge that the inverse of a rotation matrix is its transpose to get the inverse of 1R3:
(1R3)^(-1) = (1R3)^(T) (T)
We thus have:
(1R3)^(-1) = 00 -1 0\s1 0 0\s0 0 -1
(1R2)(T) = (2R1) * (1R1), where (2R1)(-1) = (1R2)(T) (T)
With the use of these identifiers, we can determine 2R1:
(2R1) = (10000.5-0.300.30.5)(T) * (1 0 0; 0 1 0; 0 0 1)(T) * (1R2)(T)(T)
(T)\s(2R1) = (10000.5-0.30-0.30.5) * (1 0 0; 0 1 0; 0 0 1)\s(2R1) = 10000.5-0.30-0.30.5
We can now enter the values we calculated to obtain:
2R3 = 2R1 * (1R3)^(-1) * 1R1 2R3 = (10000.5-0.30-0.30.5) * (00 -1 0; 1 0 0; 0 0 -1) * (10000.5-0.300.30.5)
2R3 = (-0.5 0 0.866) * (1000; 0; -0.3) * (0.866 0 -0.5; 0 1 0; 0.5 0 0.866) (0.866 0 -0.5; 0 1 0; 0.5 0 0.866)
2R3 = (-0.433 0.259 -0.866)\s(0 1 0) (0 1 0)
(0.866 0 0.433)
the rotation matrix from frame 2 to frame 3 is as follows:
2R3 = (-0.433 0.259 -0.866)\s(0 1
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Question A malware expert wants to examine a new worm that is infecting Windows devices. Verify the sandbox tool that will enable the expert to contain the worm and study it in its active state.
Using the sandbox tool cuckoo, the expert can contain the worm and observe it in its active stage.
What is malware?Any type of computer program having malicious intentions falls under the broad category of malware, or malicious software.
Most online dangers come in the kind of malware. Malware can appear as viruses, worms, trojan horses, ransomware, and spyware, among other things.
Compression techniques were used by malware makers to modify their code in order to bypass antivirus technologies that rely on signatures.
Although there are several compression tools available, Ultimate Packer for executables is the most well-known (UPX).
A malicious process can alter the execution environment to produce a null point and bring about the program to crash. Some things won't happen the way you expect them to.
Thus, through this, one can verify the sandbox tool that will enable the expert to contain the worm and study it in its active state.
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write the definition of function named skipfact. the function receives an integer argument n and returns the product n * n-3 * n-6 * n-9 etc down to the first number less than or equal to 3 for example skipfact(16) will return the result of 16 * 13 * 10 * 7 * 4 * 1. if n is less than 1 then the function should always return 1. just type the function definition, not a whole program. that means you'll submit something like the code below int skipfact(int n)
The definition of the function skipfact is int skipfact(int n). The function takes an integer n as an input and outputs the product of n * n-2 * n-5 * n-9, etc., until it reaches the first value less than or equal to 3.
Here's the definition of the skipfact function in C++ that meets the given requirements:
c++
Copy code
int skipfact(int n) {
int product = 1;
for (int i = n; i > 0 && i > 3; i -= 3) {
product *= i;
}
return product;
}
This function takes an integer n as an argument and returns the product of n * (n - 3) * (n - 6) * (n - 9) and so on, until the first number less than or equal to 3. If n is less than 1, the function returns 1.
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a specialty search engine lets you search online information sources that general search engines do not always access.
A specialty search engine is a search tool that focuses on specific topics or types of content, allowing users to find information that may not be easily accessible through general search engines.
Specialty search engines are designed to provide users with a more targeted and focused search experience. They are often created to serve specific audiences or to address particular topics or types of content. For example, some specialty search engines focus on scientific research, while others are designed for searching job listings, news articles, or social media content.
These search engines use a variety of specialized algorithms and search techniques to help users find the information they are looking for quickly and efficiently. In many cases, specialty search engines can provide more accurate and relevant search results than general search engines, making them a valuable tool for users with specific information needs.
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List 10 examples of input devices categorise into the 3 major types of input hardware. 1. Pointing device 2. Source data input 3 keyboard
10 examples of input devices categorise into the 3 major types of input hardware.
1. Pointing Devices:
a. Mouse
b. Trackball
c. Joystick
2. Source Data Input:
a. Barcode Scanner
b. Magnetic Stripe Reader
c. Optical Character Reader
3. Keyboard:
a. Standard Keyboard
b. Numeric Keyboard
c. Ergonomic Keyboard
What is Barcode Scanner?Barcode Scanner is a type of technology that is used to read barcodes. Barcodes are a series of vertical lines and spaces of varying widths, which can be scanned by a barcode scanner and converted into digital data. This data can then be used to track a product, identify it, and store information about it. Barcode scanners are used in a variety of industries, such as retail, healthcare, and manufacturing, to increase accuracy and efficiency.
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code need to be written in c++
Modify the list template example as follows. Create a new templated class Collection that contains this list as a dynamically allocated member, i.e, the list contains a pointer to the first element. You are not allowed to use STL containers. You are not allowed to use double-linked list. That is, you should use single-liked list only as in the original code. The class has to implement the following methods:
add(): takes an item as the argument and adds it to the collection, does not check for duplicates.
remove(): takes an item as the argument and removes all instances of this item from the collection.
last(): returns the last item added to the collection.
print(): prints all items in the collection. The printout does not have to be in order.
bool equal(const Collection&, const Collection&) : compares two collections for equality. Implement as a friend function. You may implement it only as a specialized template. You may not implement it as a general template. See this for examples.
Make sure that your templated list operates correctly with the following code.
Templated member functions could be coded inline or outside. However, either way, they have to be in the header file.
You do not have to implement the big three functions (copy constructor, destructor, overloaded assignment). But if you do, you have to implement all three.
Milestone. Collection that successfully implements add().
IOstream is a C++ standard library library that comprises classes, objects, and methods that aid in input and output operations. It reads and writes data to and from streams like files and standard input and output. The C++ Standard Template Library includes IOstream (STL).
What is iostream?IOstream is a library in the C++ Standard Library. It is a header file that provides a collection of classes and functions that enable the input and output of data streams. It provides classes that support both text- and binary-oriented input and output operations in a uniform manner.
// Header file
#include <iostream>
template <typename T>
class Collection
{
private:
struct Node
{
T item;
Node *next;
};
Node *head;
Node *last;
public:
Collection();
~Collection();
void add(const T& item);
void remove(const T& item);
T last() const;
void print() const;
friend bool equal(const Collection&, const Collection&);
};
// Source file
#include "Collection.h"
template <typename T>
Collection<T>::Collection()
{
head = nullptr;
last = nullptr;
}
template <typename T>
Collection<T>::~Collection()
{
Node *current = head;
Node *next;
while (current != nullptr)
{
next = current->next;
delete current;
current = next;
}
head = nullptr;
last = nullptr;
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A student wrote the following program to remove all occurrences of the strings "the" and "a" from the list wordList.
Line 1: index ← LENGTH (wordList)
Line 2: REPEAT UNTIL (index < 1)
Line 3: {
Line 4: IF ((wordList[index] = "the") OR (wordList[index] = "a")) Line 5: {
Line 6: REMOVE (wordList, index)
Line 7: }
Line 8: }
While debugging the program, the student realizes that the loop never terminates. Which of the following changes can be made so that the program works as intended?
answer choices
Inserting index ← index + 1 between lines 6 and 7
Inserting index ← index + 1 between lines 7 and 8
Inserting index ← index - 1 between lines 6 and 7
Inserting index ← index - 1 between lines 7 and 8
The problem with the given program is that it enters an infinite loop because the value of the index variable never changes, and the loop condition (index < 1) is always true.
To fix this, we need to make sure that the value of the index variable is updated appropriately. Specifically, we need to decrement the index variable by 1 each time an element is removed from the wordList.
Therefore, the correct change to make is to insert the statement "index ← index - 1" between lines 6 and 7. This will ensure that the index variable is decremented after an element is removed, and the loop will eventually terminate when the index variable becomes less than 1.
So the corrected code will be as follows:
perl
Copy code
index ← LENGTH (wordList)
REPEAT UNTIL (index < 1)
{
IF ((wordList[index] = "the") OR (wordList[index] = "a")) {
REMOVE (wordList, index)
index ← index - 1
}
index ← index - 1
}
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fill in the blank. a(n)___solution makes all of the computing hardware resources available, and the customers, in turn, are responsible for installing and managing the systems, which they can normally do, for the most part, over the internet.
The clients are in charge of installing and operating the systems after the cloud solution makes all of the computing hardware resources available, which they can typically accomplish, for the most part, online.
What is hardware
Hardware refers to physical components of a computer system. This includes the internal components such as the motherboard, CPU, memory, and storage, as well as any external peripherals such as a mouse, keyboard, monitor, printer, and scanner. All of these pieces of hardware interact with each other and with the operating system to form a complete computing system. Hardware can also refer to physical objects that are connected to the computer, such as a router, server, or network switch. Computer hardware is necessary for any type of computer system to properly, and it is usually the first step in setting up a computer system.
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One model of desktop computer has a life expectancy that is normally distributed with a mean of 42 months and a standard dev of 12 months(a) the warranty will repair any computer failing within 18 months free of charge the companys contracted cost to repair computers is $300 what is expected value of the cost of the company per computer(b) suppose the company decides it is willing to extend the warranty additional 5% of the computers what warranty should they offer?
The expected cost of the company per computer is $50 and the company should offer a warranty for 24 months.
The explanation of each question is given below.
a). The probability of a computer failing within the 18 months covered by the warranty is the area under the normal distribution curve up to that point, which can be calculated using the standard normal distribution table or a calculator.
In this case, it is 0.4082. Therefore, the expected cost of the company per computer is the sum of the cost of repairs for computers that fail after 18 months and the cost of repairs for computers that fail within the 18 months warranty period, which is $0.4082(0) + $0.5918($300) = $177.54. Adding the initial cost of the warranty, which is $0.5($300) = $150, the total expected cost is $327.54, and divided by the total number of computers, the expected cost per computer is $50.
b). Assuming the company extends the warranty to cover 5% more computers, the new warranty period is X months, where X is the value we need to find. To cover the same proportion of computers as before, the area under the normal distribution curve up to X months should be 0.4532, which can be found using the standard normal distribution table or a calculator. Solving for X, we get X = 24 months. Therefore, the company should offer a warranty for 24 months to cover 95% of the computers.
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in this exercise, you will write the first step of code to rotate one face of the rubik's cube. when you rotate an actual rubik's cube, the front rows on the sides move with the face you're rotating - we're not doing that. yet ... you will be working mostly with roobikface in this exercise. first you will need to modify the constructor for roobikface. roobikface will need to have randomly generated colors in each of the cells, except the center cell which will remain the color that is passed through to the constructor. next you will need to modify roobikrunner to accept 2 new commands: cw (for clockwise) and ccw (for counter clockwise). each of those commands will call the corresponding new roobikcube methods that you will create. those new roobikcube methods (ccw() and cw()) will call corresponding new methods in roobikface. note that the rotated face is always the front face. the roobikface methods will rotate the face 90 degrees in the indicated direction.
With the exception of the center cell, which is set to a color that was supplied in to the constructor, this alters the RoobikFace constructor to randomly create colors for each cell.
What exactly are program instances?A set of rules known as a program accepts input, modifies data, and produces an output. It's also known as an application or a script. Using the word processor Microsoft Word, for example, users may create and write documents.
What distinguishes one program from others?How to spell "program" correctly in American English Australian English is more likely to spell the word "program" this way than Canadian English. Despite being a common choice in computer contexts, program is advised.
Yes, the first line of code that rotate one side of the Rubik's Cube is as follows:
import random
class RoobikFace:
def __init__(self, color):
self.color = color
self.cells = [[None for _ in range(3)] for _ in range(3)]
for i in range(3):
for j in range(3):
if i == 1 and j == 1:
self.cells[i][j] = self.color
else:
self.cells[i][j] = random.choice(['red', 'blue', 'green', 'yellow', 'orange', 'white'])
def cw(self):
# clockwise rotation logic for RoobikFace
def ccw(self):
# counter clockwise rotation logic for RoobikFace
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TRUE OR FALSE In the earliest electronic computers, programmers had to write machine language code expressed as binary numbers--ones and zeros.
Statement "In the earliest electronic computers, programmers had to write machine language code expressed as binary numbers--ones and zeros." is true because 1st generation software: very time-consuming and all manually typed out.
In the past, people looked sought mechanical tools to facilitate computing. Because it calculated values using digits, the abacus, which was created in various versions by the Babylonians, Chinese, and Romans, was by definition the earliest digital computer. The only language that a computer can comprehend is machine language, which expresses commands as 0s and 1s. Although assembly language is more compact, it is still exceedingly difficult to program in.
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The _____ model was developed to allow designers to use a graphical tool to examine structures rather than describing them with text. a. hierarchical b. network
The model that was developed to allow designers to use a graphical tool to examine structures rather than describing them with text is the Hierarchical model.
What is Hierarchical model?
The Hierarchical model is a network model that represents a network as a hierarchical structure with different layers or levels, where each layer performs a specific set of functions.
The layers are organized in a hierarchical fashion, with each layer depending on the layer below it, and providing services to the layer above it.
The Hierarchical model was developed to simplify network design and management, and to allow designers to use a graphical tool to examine structures, rather than describing them with text.
It provides a modular and scalable design, which allows for easy expansion and modification of the network, and it also improves network performance by minimizing the distance that data needs to travel between different network segments.
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what are breakpoints? how do you set a breakpoint at a certain line of your program? try to set a breakpoint in punishment.c where the for loop begins.
Breakpoints are a useful tool for debugging programs as they allow you to pause execution and examine the state of the program at any point. Setting a breakpoint is relatively simple and can be done using a scrubber such as GDB.
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In an IPv4 Packet header, the Identification field contains a unique identifier for each packet; however, packets are sometimes fragmented further by routers to transvers a network that supports a smaller packet size. What happens to the value of the Identification field in a packet header if the packet is further fragmented?
If the packet is further fragmented, then each fragment of the original packet maintains the original packet maintains the original ID value in the header Identification field.
What is an IPv4 Packet header?A packet header for an IPv4 (Internet Protocol version 4) application contains details about the application, including usage and source/destination addresses. 20 bytes of data and 32 bits are the typical sizes for IPv4 packet headers.
A packet is a data unit that can have either fixed or variable lengths and is used in network communications. Each packet is made up of three parts: the header, the body, and the trailer.
Application, data type, and source/destination addresses are just a few of the many multipurpose fields that make up a 20-byte header's information about specific related objects. As an example, here are the header fields' descriptions:
The Internet header format is included and only four packet header bits are used in this version.Internet header's size This 32-bit field is used to store data regarding IP header length.Learn more about IPv4 packet headers
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Implement a program that reads in a text file, counts how many times each word occurs in the file and outputs the words (and counts) in the increasing order of occurrence, i.e. the counts need to be output in sorted order rare words first. Word is any sequence of alphanumeric characters. Whitespace and punctuation marks are to be discarded. That is, the punctuation marks should not be counted either as a part of the word or as a separate word. You are free to make your program case sensitive (Hello and hello are counted as separate words) or case insensitive. File name is supplied on command line. You are to use the following classes.Using vectors is not allowed. You may use standard sorting algorithms or implement insertion sort form scratch. For the second class (WordList), implement a copy constructor (implementing deep copy), destructor and an overloaded assignment (either classical or copy-and-swap). Make sure your class works correctly with the following code. For your constructors, use member initialization lists where possible, use default values for function parameters where appropriate. Enhance class interface if necessary.
demo code:
class WordOccurrence {
public:
WordOccurrence(const string& word="", int num=0);
bool matchWord(const string &); // returns true if word matches stored
void increment(); // increments number of occurrences
string getWord() const; int getNum() const;
private:
string word_;
int num_;
};
class WordList{
public:
// add copy constructor, destructor, overloaded assignment
// implement comparison as friend
friend bool equal(const WordList&, const WordList&);
void addWord(const string &);
void print();
private:
WordOccurrence *wordArray_; // a dynamically allocated array of WordOccurrences
// may or may not be sorted
int size_;
};
To implement a program that reads in a text file, counts how many times each word occurs in the file and outputs the words (and counts) in the increasing order of occurrence, check the code given below.
What is C++ Code?C++ is a general-purpose programming and coding language (also known as "C-plus-plus"). As well as in-game programming, software engineering, data structures, and other areas, C++ is used to create browsers, operating systems, and applications. 4 days ago
C++ Code
#include<iostream>
#include<fstream>
#include<string>
#include<vector>
using namespace std;
class WordOccurrence {
public:
WordOccurrence(const string& word="", int num=0)
{
word_=word;
num_=num;
}
bool matchWord(const string &word )// returns true if word matches stored
{
if(word.compare(word_)==0)
return true;
else
return false;
}
// increments number of occurrences
void increment()
{
num_=num_+1; //increment
}
string getWord() const
{
return word_;
}
int getNum() const
{
return num_;
}
private:
string word_;
int num_;
};
class WordList{
public:
// add copy constructor, destructor, overloaded assignment
// implement comparison as friend
friend bool equal(const WordList& list1 , const WordList& list2)
{
if(list1.size_!=list2.size_)
return false;
for(int i=0;i<list1.size_;++i)
{
bool flag=false;
for(int j=0;j<list2.size_;++j)
{
if(list1.wordArray_[i].matchWord(list2.wordArray_[j].getWord())==true)
{
flag=true;
break;
}
}
if(flag==false)
return false; //word not found in another array;
}
return true;
}
//copy constructor deep copy
WordList(const WordList&list)
{
wordArray_ = new WordOccurrence[list.size_];
for(int i=0;i<list.size_;++i)
{
//deep copy
wordArray_[i]=list.wordArray_[i];
}
this->size_=list.size_;
}
//destructor
~WordList()
{
//delete the wordArray
for(int i=0;i<size_;++i)
delete &wordArray_[i];
}
//overload = operator
void operator = (const WordList &list)
{
wordArray_ = new WordOccurrence[list.size_];
for(int i=0;i<list.size_;++i)
{
//deep copy
wordArray_[i]=list.wordArray_[i];
}
this->size_=list.size_;
}
//constructor
WordList()
{
wordArray_ = new WordOccurrence[1000];
size_=0;
}
void addWord(const string &word)
{
//check if word already present in the word array
bool flag=false;
for(int i=0;i<size_;++i)
{
if(wordArray_[i].matchWord(word)==true)
{
wordArray_[i].increment();
flag=true;
break;
}
}
if(flag==false)
{
wordArray_[size_]=word;
wordArray_[size_++].increment();
}
}
//sort using bubble sort
void sort()
{
for(int i=0;i<size_-1;++i)
{
for(int j=0;j<size_-i-1;++j)
{
//sort in rarest word order
if(wordArray_[j].getNum()>wordArray_[j+1].getNum())
{
WordOccurrence temp = wordArray_[j+1];
wordArray_[j+1]=wordArray_[j];
wordArray_[j]=temp;
}
}
}
}
void print()
{
for(int i=0;i<size_;++i)
{
cout<<"Word: "<<wordArray_[i].getWord()<<" , ";
cout<<"Count: "<<wordArray_[i].getNum()<<endl;
}
}
private:
WordOccurrence *wordArray_; // a dynamically allocated array of WordOccurrences
int size_;
};
//sanitize
bool sanitize(string &word)
{
for(int i=0;i<word.length();++i)
{
if(ispunct(word[i]))
{
//erase the punctutation
word.erase(i--,1);
}
}
//check if alpha numeric
for(int i=0;i<word.length();++i)
{
//if not alpha numeric return false
if(!isalpha(word[i])&&!isdigit(word[i]))
return false;
}
return true;
}
int main(int argc,char **argv)
{
if(argc<1)
{
cout<<"Not enough arguments\n";
return -1;
}
//open the file read the words
ifstream fin(argv[1]);
if(!fin)
{
cout<<"Cannot open the file\n";
return -1;
}
WordList list;
string *word = new string();
while(fin>>*word)
{
if(sanitize(*word)) //if a valid word then only add to list
{
list.addWord(*word);
}
word=new string();
}
//sort the data using bubble sort
list.sort();
list.print();
return 0;
}
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The following procedure is intended to return the number of times the value val appears in the list myList. The procedure does not work as intended. Which of the following changes can be made so that the procedure will work as intended?
answer choices
O Changing line 6 to IF(item = count)
O Changing line 6 to IF(myList[item] = val)
O Moving the statement in line 5 so that it appears between lines 2 and 3
O Moving the statement in line 11 so that it appears between lines 9 and 10
Although we declared Python's count = 0 inside the for loop, the count was not set to zero throughout our procedure. Following that, the count was increased by 1 each time a value was found that was equal to Val.
What does Python's count 0 mean?A number is the return value of the count Python method. The return value is an integer. Python's count function returns 0 when the value is not present in the list or string.
Why is there a count of 0?To make count 0, please. You use count = 0 to make count equal to 0. To tell the computer when to stop looping, you set your condition in the while () statement. any comparisons.
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a program that calculates the total of a retail sale should ask the user for the following: the retail price of the item being purchased the sales tax rate once these items have been entered, the program should calculate and display the following: the sales tax for the purchase the total of the sale
The program should calculate and display the following--Display "What is retail price of the item"
Input retailPrice.
Display "What is sales tax rate"
Input Taxrate
salesTax=retailPrice x (Taxrate/100)
TotalRetailsale = itemPrice + salesTax
Display "Sales tax for purchase is"
Output salesTax
Display "Total of the sale"
Output TotalRetailsale
What is a "retail sale"?In contrast to wholesale sales, which are made to organizations or businesses, retail sales are made to consumers. A retailer makes a profit by selling products to customers in smaller quantities in bulk from manufacturers, either directly or through a wholesaler. The retailer is the final link in the supply chain that connects producers and consumers.
There is a long history of retail markets and stores. Wandering salespersons were among the earliest traders. From "rude booths" to the upscale shopping malls of today, retail establishments have developed over the centuries. In the digital age, more and more retailers are trying to sell through different channels to reach more customers.
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Assume that you are creating an application for WSU. You would like to write a Haskell function prereqFor that takes the list of courses (similar to above) and a particular course number and returns the list of the courses which require this course as a prerequisite. The type of prereqFor should be prereqFor :: Eqt => [(a, [t])) -> t -> [a]. (Hint: You can make use of exists function you defined earlier.) Examples: > prereqFor prereqsList "Cpt S260" ["Cpt S360", "Cpt S370"] > prereqFor prereqsList "Cpt S223" ["Cpt$260", "Cpt5315", "Cpts321","Cpts322", "Cpts350", "Cpt5355", "Cpt5360", "Cpt S427"] > prereqFor prereqsList "Cpt S355" [] > prereqFor prereqsList "MATH216" ["Cpt S223", "Cpts233", "Cpts317","Cpt S427"]
Here's an implementation of the prereqFor function in Haskell, which takes a list of courses and a course number and returns a list of courses which require the given course as a prerequisite.
What is function?In coding, a function is a self-contained block of code that performs a specific task. Functions are a fundamental building block in programming, allowing developers to break down their code into smaller, more manageable pieces. Functions typically take one or more inputs (known as arguments or parameters) and produce an output, which can be used by other parts of the program.
Here,
The prereqFor function takes a list of pairs, where each pair consists of a course and a list of prerequisite courses, and a course number. The function uses the exists function (which we assume has been defined previously) to find the pair in the list that corresponds to the given course number, and then returns the list of prerequisite courses for that course.
Here are some examples of how to use the prereqFor function:
prereqFor :: Eq a => [(a, [a])] -> a -> [a]
prereqFor prereqsList courseNum = exists (\(course, prereqs) -> course == courseNum)
prereqsList >>= snd
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While exercising, you can use a heart-rate monitor to see that your heart rate stays within a safe range suggested by your trainers and doctors. According to the American Heart Association (AHA) (www.americanheart.org/presenter.jhtml?identifier=4736), the formula for calculating your maximum heart rate in beats per minute is 220 minus your age in years. Your target heart rate is a range that is 50–85% of your maximum heart rate. [Note: These formulas are estimates provided by the AHA. Maximum and target heart rates may vary based on the health, fitness and gender of the individual. Always consult a physician or qualified health care professional before beginning or modifying an exercise program.] Create a class called HeartRates. The class attributes should include the person’s first name, last name and date of birth (consisting of separate attributes for the month, day and year of birth). Your class should have a constructor that receives this data as parameters. For each attribute provide set and get functions. The class also should include a function getAge that calculates and returns the person’s age (in years), a function getMaxiumumHeartRate that calculates and returns the person’s maximum heart rate and a function getTargetHeartRate that calculates and returns the person’s target heart rate. Since you do not yet know how to obtain the current date from the computer, function getAge should prompt the user to enter the current month, day and year before calculating the person’s age. Write an application that prompts for the person’s information, instantiates an object of class HeartRates and prints the information from that object—including the person’s first name, last name and date of birth—then calculates and prints the person’s age in (years), maximum heart rate and target-heart-rate range
HeartRates is a class created to calculate and store significant information about heart rates. Its characteristics consist of a person's initial name, last name, and birthdate (month, day, and year).
Individuals' heart rates can be calculated and managed using the HeartRates class. The first name, last name, and date of birth of the user are all separate characteristics that can be entered into the class. GetAge, getMaxiumumHeartRate, and getTargetHeartRate are just a few of the functions the class contains to compute heart rate statistics based on this input. The American Heart Association's suggested formulas are used by these functions to determine a person's age, maximum heart rate, and target heart rate range. To manage and access the input data, the class additionally has set and get functions for every attribute. In general, HeartRates is a helpful tool for anyone who want to keep track of and manage their heart health while exercising.
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In HW4 you created the schema (set of tables) for the database. These are simply empty tables. In this homework assignment you will create some mock data for your tables. You will need to use techniques from HW3 to complete this assignment. You must use PHP to generate your data and your data.sql file. You will need to provide a script that updates all the tables with data that you have generated. It would take hours (days?) for you to attempt to do this manually. Additionally, you must submit a short report (1-2) that details how you generated your data. You should think of generating the data as a mad libs type of scheme. You should could choose something like this for product description: A adjective in an adjective color made of useful for noun (material) noun verb An example for this would be A wonderf hammer in a ustr made plastic useful digging. For product descriptions you can simply use a format such as "A wonderful $productName for you to enjoy". But the concept still applies ... take a random first name and a random last name to create a random full name. You will randomly assign a street number, name, type, city, and state to create an address. Include any source code that you used to generate your data as well with your submission. Also include your schema.sql file with your submission. I should be able to run your schema.sql file, then your data.sql file and have a complete database populated with data. Test this before you submit! Rename your original database so you can save it, then use your scripts to create a new database to test your scripts. Part 1 - Create your data for your tables. I am reminding you of this step because I have received questions in previous homework assignments about this. You will need to start your SQL Server. (For windows users simply click the Start button from the XAMPP control panel). (For Linux Users type the command: sudo /opt/lampp/lampp start). At the end of this section of the homework you should have a single file called data.sql that contains all the scripts needed to populate your database tables. Part 1 - Create your data for your tables. I am reminding you of this step because I have received questions in previous homework assignments about this. You will need to start your SQL Server. (For windows users simply click the Start button from the XAMPP control panel). (For Linux Users type the command: sudo /opt/lampp/lampp start). At the end of this section of the homework you should have a single file called data.sql that contains all the scripts needed to populate your database tables. The following is a list of tables you should have created in HW4. The Primary keys are underlined bold, foreign keys are italics. 1. customer(customer_id, first_name, last_name, email, phone, address_id) 2. order(order id, customer_id, address_id) 3. product(product_id, product_name, description, weight, base_cost) 4. order_item (order_id, product_id, quantity, price) 5. address(address_id, street, city, state, zip) 6. warehouse(warehouse_id, name, ad ess_id) 7. product_warehouse(product_id, warehouse_id) For each table, here is how many records you need to generate. 1. customer - 100 2. order - 350 3. product - 750 4. order_item-550 5. address - 150 6. warehouse - 25 7. product_warehouse - 1250 There is a document in the slides folder that describes how to learn the syntax for SQL statements to insert data into an SQL table "Populating Tables with Data DBeaver.pptx". There are examples from the "code_examples" folder that demonstrate how to generate a data.sql file that inserts a series of actors (first and last names) into the moviestore4.actor table. The order that you insert into these tables is important. The short answer is this, you can't add a customer with an address_id until there is already an address with a matching address_id. ORDER TO INSERT DATA: 1. address 2. customer 3. order 4. product 5. warehouse 6. order_item 7. product_warhouse You can deviate from this order somewhat if you understand the implications. Part 2 - Create a PDF Report Create and submit a PDF report that briefly describes how you generated your data. This should include anything you feel that you did that was clever, as well as how you overcame any obstacles in this project Would you do things differently if you had to do this assignment again? What format did you decide to use for input text files (if you used them)? How did you input your values to generate random data? Would you have preferred to use Linux scripts and/or another scripting language to generate the SQL file? Part 3 - Deliverables for this assignment: 1) schema.sql 2) data.sql 3) any php files used to generate random data 4) any input files used to generate data 5) 1-2 page PDF report All files are detailed above in the assignment. ÞROP SCHEMA IF EXISTS SuperStore;
The goal of this homework assignment is to create mock data for the tables you created in HW4 using PHP to generate the data and a data.sql file to update the tables with the generated data.
You will also need to provide a script that updates all the tables with the data you have generated and submit a short report detailing how you generated your data.
The assignment also includes creating a PDF report that briefly describes how you generated your data and any obstacles you overcame in the process. The deliverables for this assignment include the schema.sql file, the data.sql file, any PHP files used to generate random data, any input files used to generate data, and a 1-2 page PDF report. It is important to follow the order of inserting data into the tables as outlined in the assignment to ensure that the data is inserted correctly.
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A while loop reads integers from input. Write an expression that executes the while loop until the integer - 1 is read. Ex. If the input is 6354−34−1, then the output is: Integer is 6 Integer is 35 Integer is 4 Integer is−34
Loop terminated 1 #include 2 using namespace std; 4 int main() \{ 5 int in; 6 cin
≫
in; 9 while
(in⌋=)
.
11 cin≫ in; 12 i 13 cout « "Loop terminated" ≪ endl;
A For loop's repetition count is known, but a Do while loop's repetition count is unknown.
Programmers continuously run a piece of code using the for loop, a conditional iterative expression, to check for certain conditions. Due to the explicit loop number or loop variable that enables the body of the loop to know the precise sequencing of each iteration, the for loop differs from other looping statements. In English, the word "for" is used to convey the reason behind a thing or an action; in this case, the iteration's objective and particulars are being communicated. The For loop is a common construct in imperative programming languages like C and C++. A do-while loop first executes and then tests for a condition, as contrast to a while loop that tests first and then executes on a true condition.
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to display your name and your schools name side by side and zone wise
Below is an example of a program in QBasic that displays your name and school name side-by-side and zone wise:
objectivec
CLS
PRINT "My name is:";
PRINT "Juan";
PRINT "My school is:";
PRINT "ABC School";
PRINT "Zone: North"
END
What is the program?In this example, the CLS command is used to clear the screen, and then the PRINT command is used to display the name and school name. The END command is used to end the program.
Therefore, based on the above, This program can be easily modified to display your own name and school information.
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Qbasic programme to display your name in your schools name side-by-side and zone wise
Which of the following commands can be used to read the entire contents of a file as a string using the file object ? A. tmpfile.read(n) B. tmpfile.
The command that can be used to read the entire contents of a file as a string using the file object is:
B. tmpfile.read()
The tmpfile.read() command will read the entire contents of the file into a string, without any size limit specified in parentheses.
In Python, you can use a file object to read the contents of a file. The file object provides various methods for reading the file, and one of them is the read() method. The read() method without any argument will read the entire contents of the file and return it as a string.
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Read from input the carpet price per square foot (double), room width (int) and room length (int). Calculate the room area in square feet. Calculate the carpet price based on square feet with an additional 20% for waste. Output square feet and carpet cost. Submit for grading to confirm 1 test passes.Ex: If the input is:1.10 15 12the output is:Room: 180 sq ftCarpet: $237.60
Example Code: Enter carpet price per square foot: 1.10
Enter room width (in feet): 15
Enter room length (in feet): 12
Room: 180 sq ft
Carpet: $237.60
How to calculate carpet price based on square feet with additional 20% waste?import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
// Read input
System.out.print("Enter carpet price per square foot: ");
double carpetPrice = input.nextDouble();
System.out.print("Enter room width (in feet): ");
int roomWidth = input.nextInt();
System.out.print("Enter room length (in feet): ");
int roomLength = input.nextInt();
// Calculate room area
int roomArea = roomWidth * roomLength;
// Calculate carpet price with 20% waste
double carpetCost = carpetPrice * roomArea * 1.2;
// Output results
System.out.println("Room: " + roomArea + " sq ft");
System.out.printf("Carpet: $%.2f", carpetCost);
}
}
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The 3 match types vary in how close the search phrase and they keyword have to be in order to trigger the ad. Which match type is in the middle?
Regarding how closely the search phrase and the keyword must match in order for the ad to be displayed, the "phrase match" type is in the middle of the three match types.
"Match kinds" are the various ways that search queries and the keywords that advertisers bid on can be matched in the context of digital advertising. Exact matches, phrase matches, and broad matches are the three main match kinds. In order for the ad to be displayed, there must be an exact match between the search query and the term. Phrase match refers to the requirement that the term appear as a phrase in the search query, while additional words may appear before or after the phrase. Broad match refers to the ability of the search query to encompass related searches as well as term variations like synonyms or misspellings.
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true/false. the event-driven process chain is a modeling method specifically developed for sap in the early 90s. it allows sap users and implementers to see how business processes have been implemented in sap.
It is TRUE that the event-driven process chain is a modeling method specifically developed for SAP in the early 90s. it allows SAP users and implementers to see how business processes have been implemented in SAP.
For business process modelling, a sort of flow chart called an event-driven process chain (EPC) is used. EPC can be set up for business process improvement and enterprise resource planning implementation. It can be used to manage a work sharing instance of an autonomous workflow.
First used in combination with SAP R/3 modelling, but now more commonly, businesses utilise event-driven process chain diagrams to lay down business process processes. For modelling, analysing, and revamping business processes, many firms use it. Within the framework of the Architecture of Integrated Information Systems (ARIS), the event-driven process chain technique was created.
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Which is the correct way to declare an integer variable?
answer choices
O int x = 3;
O integer x = 3;
O integer x is 3;
O int x is 3;
int x = 3; is the correct way to declare a variable of an integer. Variables that must have an integer value are called integer variables.
Option A is correct .
A variable is what?In computing, a variable is a value that can change in response to input from the program or external factors. Most of the time, an application has instructions that tell the machine what to do and the information it needs to run.
Which three kinds of variables are there?There are typically three different kinds of variables in a laboratory experiment: dependent variables, independent variables, and controlled factors. Each of these three types of variables will be examined, as well as their connection to plant-related experimental questions.
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On the Cities worksheet, click cell E13. Depending on the city, you will either take a shuttle to/from the airport or rent a car. Insert an IF function that compares to see if Yes or No is located in the Rental Car? Column for a city. If the city contains No, display the value in cell F2. If the city contains Yes, display the value in the Rental Car Total (F4)
The completed formula should look like this: =IF(F3="No", F2, F4) as per the given data.
What is if function?The IF function is a popular Excel function that allows you to make logical comparisons between a value and what you expect. As a result, an IF statement can have two outcomes.
To insert the IF function in cell E13 to compare the Rental Car? column for a city and display the appropriate value, follow these steps:
Click on cell E13.Type the equal sign (=) to begin the formula.Type IF, followed by an opening parenthesis.Type F3="No", followed by a comma. This checks if the value in cell F3 (Rental Car?) is equal to "No".Type F2, followed by a comma. This displays the value in cell F2 if the Rental Car? column for the city contains "No".Type F4, followed by a closing parenthesis. This displays the value in cell F4 if the Rental Car? column for the city contains "Yes".Press Enter to complete the formula.Thus, "=IF(F3="No", F2, F4)" can be the complete function.
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