To access an online library, you will need a computer and an internet connection.
What are online libraries?Online libraries are digital collections of books, journals, and other materials that are available to users through a web browser.
With a computer and internet access, users can browse, search, and read or download materials from the online library. Many online libraries also offer features such as personalized user accounts, bookmarking, and citation tools.
Online libraries have become increasingly popular as more content becomes available in digital format, making it easier and more convenient for people to access information from anywhere with an internet connection.
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preguntas sobre la búsqueda de alternativas de solución
Answer:
Explanation:
Qué tipo de solución alternativa estás buscando
Compute the approximate acceleration of gravity for an object above the earth's surface, assigning accel_gravity with the result.
The expression for the acceleration of gravity is: (G*M)/(d2), where G is the gravitational constant 6.673 x 10-11, M is the mass of
the earth 5.98 x 1024 (in kg), and d is the distance in meters from the Earth's center (stored in variable dist_center)
Sample output with input: 6.3782e6 (100 m above the Earth's surface at the equator)
Acceleration of gravity: 9.81
Answer:
The summary of the given query would be summarized throughout the below segment. The output of the question is attached below.
Explanation:
Given values are:
[tex]G = 6.673e-11[/tex][tex]M = 5.98e24[/tex][tex]accel \ gravity = 0[/tex][tex]dist\ center=float(inp())[/tex]here,
inp = input
By utilizing the below formula, we get
⇒ [tex]\frac{GM}{d^2}[/tex]
Now,
⇒ [tex]accel \ gravity=\frac{G\times M}{dist \ center**2}[/tex]
⇒ print("Acceleration of gravity: {:.2f}".format(accel_gravity))
Design a function char maxChar (char,char)- to return the smallest character from the arguments.
in java please please
Answer:
Following are the program to the given question:
public class Main//defining Main method
{
char maxChar (char x1,char x2)//defining a method maxChar that takes two char parameter
{
if(x1<x2)//use if to compare char value
{
return x1;//return first char value
}
else//else block
{
return x2;//return second char value
}
}
public static void main(String[] args)//defining main method
{
char x1,x2;//defining char variable
x1='d';//use char to hold value
x2='a';//use char to hold value
Main ob=new Main();//creating class Object
System.out.println(ob.maxChar(x1,x2));//calling method and prints its return value
}
}
Output:
a
Explanation:
In this code, a method "maxChar" is defined that holds two char variable "x1,x2" in its parameters, and use if conditional statement that checks the parameter value and print its return value.
In the main method, two char variable is declared that hold char value and passing the value in the method and prints its return value.
7. Lower than specified oil pressure is measured on a high-mileage engine. Technician A says that worn main or rod bearings could be the cause. Technician B says that a clogged
oil pump pickup screen could be the cause. Who is correct?
O A. Neither Technician A nor B
O B. Technician B
O C. Technician A
O D. Both Technicians A and B
Consider an array inarr containing atleast two non-zero unique positive integers. Identify and print, outnum, the number of unique pairs that can be identified from inarr such that the two integers in the pair when concatenated, results in a palindrome. If no such pairs can be identified, print -1.Input format:Read the array inarr with the elements separated by ,Read the input from the standard input streamOutput format;Print outnum or -1 accordinglyPrint the output to the standard output stream
Answer:
Program.java
import java.util.Scanner;
public class Program {
public static boolean isPalindrome(String str){
int start = 0, end = str.length()-1;
while (start < end){
if(str.charAt(start) != str.charAt(end)){
return false;
}
start++;
end--;
}
return true;
}
public static int countPalindromePairs(String[] inarr){
int count = 0;
for(int i=0; i<inarr.length; i++){
for(int j=i+1; j<inarr.length; j++){
StringBuilder sb = new StringBuilder();
sb.append(inarr[i]).append(inarr[j]);
if(isPalindrome(sb.toString())){
count++;
}
}
}
return count == 0 ? -1 : count;
}
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
String line = sc.next();
String[] inarr = line.split(",");
int count = countPalindromePairs(inarr);
System.out.println("RESULT: "+count);
}
}
Explanation:
OUTPUT:
Decomposing and modularizing software refers to the process of combining a number of smaller named components having well-defined interfaces that describe component interactions into a single, larger monolithic system.
a. True
b. False
Answer:
b. False
Explanation:
Decomposing and modularizing means that a large software is being divided into smaller named components that have a well-defined interfaces which basically describes the component interactions. The main goal is to place these different functionalities as well as the responsibilities in different components.
Decomposition and modularization forms the principle of software design.
Hence, the answer is false.
A technician is able to connect to a web however, the technician receives the error, when alternating to access a different web Page cannot be displayed. Which command line tools would be BEST to identify the root cause of the connection problem?
Answer:
nslookup
Explanation:
Nslookup command is considered as one of the most popular command-line software for a Domain Name System probing. It is a network administration command-line tool that is available for the operating systems of many computer. It is mainly used for troubleshooting the DNS problems.
Thus, in the context, the technician receives the error "Web page cannot be displayed" when he alternates to access different web page, the nslookup command is the best command tool to find the root cause of the connection problem.
Given two integers as user inputs that represent the number of drinks to buy and the number of bottles to restock, create a VendingMachine object that performs the following operations:
Purchases input number of drinks
Restocks input number of bottles
Reports inventory
The VendingMachine is found in VendingMachine.java. A VendingMachine's initial inventory is 20 drinks.
Ex: If the input is:
5 2
the output is:
Inventory: 17 bottles
Need this answer in java! !!!!!!!!!!!!
Answer:
import java.util.Scanner;
class Main {
public static void main (String args[])
{
Scanner input = new Scanner(System.in);
VendingMachine machine = new VendingMachine(20);
System.out.print("Enter nr to purchase: ");
int nrPurchased = input.nextInt();
System.out.print("Enter nr to re-stock: ");
int nrRestock = input.nextInt();
machine.Transaction(nrPurchased, nrRestock);
input.close();
}
}
class VendingMachine {
private int inventory;
public VendingMachine(int initialInventory) {
inventory = initialInventory;
}
public void Transaction(int nrToBuy, int nrToRestock) {
inventory += nrToRestock - nrToBuy;
System.out.printf("Inventory: %d bottles.\n", inventory);
}
}
The program is an illustration of a sequential program, and it does not require loops, iterations and branches.
The program in java, where comments are used to explain each line is as follows:
import java.util.Scanner;
class Main {
public static void main (String args[]){
//This creates a scanner object
Scanner input = new Scanner(System.in);
//This gets input for the number of purchases
int Purchased = input.nextInt();
//This gets input for the number of restocks
int Restock = input.nextInt();
//This calculates and prints the inventory
System.out.print("Inventory: "+(20 - Purchased + Restock)+" bottles");
}
}
At the end of the program, the net inventory is printed.
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In a certain game, a player may have the opportunity to attempt a bonus round to earn extra points. In a typical game, a player is given 1 to 4 bonus round attempts. For each attempt, the player typically earns the extra points 70% of the time and does not earn the extra points 30% of the time. The following code segment can be used to simulate the bonus round.
success - 0
attempts - RANDOM 1, 4
REPEAT attempts TIMES
IF (RANDOM 110 s 7
success - success + 1
DISPLAY "The player had"
DISPLAY attempts
DISPLAY "bonus round attempts and"
DISPLAY success
DISPLAY "of them earned extra points."
Which of the following is not a possible output of this simulation?
А. The player had 1 bonus round attempts and 1 of them earned extra points.
B The player had 2 bonus round attempts and of them earned extra points.
С The player had 3 bonus round attempts and 7 of them earned extra points.
D The player had 4 bonus round attempts and 3 of them earned extra points.
Answer:
С The player had 3 bonus round attempts and 7 of them earned extra points.
Explanation:
Given
See attachment for correct code segment
Required
Which of the options is not possible?
From the question, we understand that:
[tex]attempts \to [1,4][/tex] --- attempt can only assume values 1, 2, 3 and 4
The following "if statement" is repeated three times
IF RANDOM[1,10] <= 7:
success = success + 1
This implies that the maximum value of the success variable is 3
The first printed value is the attempt variable
The second printed value is the success variable.
From the list of given options, (a), (b) and (d) are within the correct range of the two variable.
While (c) is out of range because the value printed for variable success is 7 (and 7 is greater than the expected maximum of 3)
which of the following is an example of how science can solve social problems?
It can reduce the frequency of severe weather conditions.
It can control the time and day when cyclones happen.
It can identify the sources of polluted water.
It can stop excessive rain from occurring.
Answer:
It can identify the sources of polluted water.
Explanation:
Science can be defined as a branch of intellectual and practical study which systematically observe a body of fact in relation to the structure and behavior of non-living and living organisms (animals, plants and humans) in the natural world through experiments.
A scientific method can be defined as a research method that typically involves the use of experimental and mathematical techniques which comprises of a series of steps such as systematic observation, measurement, and analysis to formulate, test and modify a hypothesis.
An example of how science can solve social problems is that it can identify the sources of polluted water through research, conducting an experiment or simulation of the pollution by using a computer software application.
In conclusion, science is a field of knowledge that typically involves the process of applying, creating and managing practical or scientific knowledge to solve problems and improve human life.
Answer:
It can identify the sources of polluted water.
Explanation:
what was the computer works in binary functions
3 Marks] Q 2. A host has the IP address 196.22.44.133/21. What are the network address, broadcast address and valid host addresses for the IP subnet which the host is a member of
Answer:
Address: 192.22.44.133 11000000.00010110.0 0101100.10000101
Netmask: 255.255.128.0 11111111.11111111.1 0000000.00000000
Network: 192.22.0.0/17 11000000.00010110.0 0000000.00000000 (Class C)
Broadcast: 192.22.127.255 11000000.00010110.0 1111111.11111111
HostMin: 192.22.0.1 11000000.00010110.0 0000000.00000001
HostMax: 192.22.127.254 11000000.00010110.0 1111111.11111110
Explanation:
bao bì chủ động active packaging và bao bì thông minh intelligent packaging khác biệt như thế nào
answer:
yes....................
Questions to ask people on how corona has affected the religion sectors
Answer:
bcoz of corona all churches and temples are closed and pilgrimage are cancelled
¿Cuál es la diferencia de un ciudadano digital entre la vida real y la vida en línea?
Let’s say you’re having trouble locating a file on your computer. Which of the following are good places to look for the file?
a. The Recycle Bin
b. Default folders like My Documents
c. The Downloads folder
Answer:
The downloads folder ( C )
Explanation:
when you have difficulty locating a file on your computer you can look for the file in any of the options listed ( The recycle bin, Default folders like My Documents or The Downloads folder )
But the best place out of these three options is the Downloads folder. and this is because by default all files downloaded into your computer are placed in the Downloads folder regardless of the type of file
about system implementation in long
Answer:
Systems implementation & evaluation
What is systems implementation?
What are the tools for physical systems design?
What are the issues to consider before an information system is operational?
What are the key indicators of a quality system?
What are the techniques for systems evaluation?
Systems implementation is the process of:
defining how the information system should be built (i.e., physical system design),
ensuring that the information system is operational and used,
ensuring that the information system meets quality standard (i.e., quality assurance).
Systems design
Conceptual design – what the system should do
Logical design – what the system should look to the user
Physical design – how the system should be built
Physical system design using structured design approach:
à To produce a system that is easy to read, code, and maintain
1. Factoring: decomposition
2. Span of control: 9 subordinate modules
3. Reasonable size: 50-100 LOC
4. Coupling: minimize inter-module dependency
5. Cohesion: single module functionality
6. Shared use: multiple calls to lower level modules from different bosses
Structured design tools
· Organization of programs and program modules (structure chart)
· Processing logic specification in each module (pseudocode)
Structure chart – to show graphically
how the various program parts/modules of an information system are physically organized hierarchically
how the modules communicate with each other through data couple (data exchange) and flag (control/message)
how the modules are related to each other in terms of sequence, selection, and repetition
Write an ALTER TABLE statement that adds two new columns to the Products table: one column for product price that provides for three digits to the left of the decimal point and two to the right. This column should have a default value of 9.99; and one column for the date and time that the product was added to the database.
Answer:
ALTER TABLE Products
ADD Products_price float(5,2) DEFAULT 9.99,
ADD Adding_time datetime;
Explanation:
So at first we need to use ALTER TABLE statement, when we use this statement we also need to provide the table name. In this case, i assume it is 'Products'.
Then, as per question, we need to add two columns.
The first one is 'product_price' and it contains decimal points. So, we need to use ADD statement and give a column name like 'Prodcuts_price' and its datatype 'float' because it contains decimal or floating points. so, for 3 digits on the left and 2 digits on the right, it makes a total of 5 digits. So, we need to declare it like this. (5,2) it means a total of 5 digits and 2 after the decimal point. after that, we need to set our Default value using the DEFALUT statement. so DEFAULT 9.99. it will set the default value to 9.99 for existing products.
And for our next column, we give its a name like 'Adding_time' then it's datatype 'datetime' because it will contain date and times.
The ________ is the most important component in a computer because without it, the computer could not run software. Note: You may use an acronym to respond to this question.
Answer:
Central processing unit (CPU)
Explanation:
A computer can be defined as an electronic device that is capable of receiving of data in its raw form as input and processes these data into information that could be used by an end user.
The central processing unit (CPU) is typically considered to be the brain of a computer system. It is the system unit where all of the processing and logical control of a computer system takes place.
Hence, the most important component in a computer is the central processing unit (CPU) because without it, it is practically impossible for the computer to run any software application or program.
Additionally, the component of the central processing unit (CPU) that controls the overall operation of a computer is the control unit. It comprises of circuitry that makes use of electrical signals to direct the operations of all parts of the computer system. Also, it instructs the input and output device (I/O devices) and the arithmetic logic unit on how to respond to informations sent to the processor.
Describe computer in your own words on three pages
no entendi me explicas porfavor para ayudarte?
discuss three ways in which the local government should promote safe and healthy living
Answer:
1. Secure drinkable water
2. Promote organic products through the provision of subsidiaries
3. Create a place for bioproducts to be sold
Explanation:
Whether drinking, domestic, food production, or for leisure purposes, safe and readily available water is important for public health. Better water supply and sanitation and improved water resource management can boost economic growth for countries and can make a significant contribution towards reduced poverty.some of the claimed benefits of organic food:Without the use of pesticides and chemical products, organic farming does not toxic residues poison land, water, and air. Sustainable land and resource use in organic farming. Crop rotation promotes healthy and fertile soil.
In conventional farming, the use of pesticides contaminates runoff, which is a natural part of the water cycle. In groundwater, surface water, and rainfall, pesticide residues are found. This means that in food produced with pesticides, contamination may not be isolated, but also affect the environment.
Create a place for bioproducts to be sold
Biologics offer farmers, shippers, food processors, food retailers, and consumers a wide range of benefits. Biocontrols can also help protect the turf, ornamentals, and forests in addition to food use. They can also be used for disease and harm controls in public health, i.e., mosquitoes and the control of ticks.
The benefits of the use of biologicals in farming applications tend to be more direct, though they are indirect. The list includes benefits to crop quality and yield which help farmers supply consumer products worldwide with healthy and affordable fruit and vegetables. Biocontrols also allow farmers in their fields to maintain positive populations of insects (natural predators) through their highly-target modes of action, reducing their reliance on conventional chemical pesticides.
the grade point average collected from a random sample of 150 students. assume that the population standard deviation is 0.78. find the margin of error if c = 0.98.
Answer:
[tex]E = 14.81\%[/tex]
Explanation:
Given
[tex]n = 150[/tex]
[tex]\sigma = 0.78[/tex]
[tex]c = 0.98[/tex]
Required
The margin of error (E)
This is calculated as:
[tex]E = z * \frac{\sigma}{\sqrt{n}}[/tex]
When confidence level = 0.98 i.e. 98%
The z score is: 2.326
So, we have:
[tex]E = 2.326 * \frac{0.78}{\sqrt{150}}[/tex]
[tex]E = 2.326 * \frac{0.78}{12.247}[/tex]
[tex]E = \frac{2.326 *0.78}{12.247}[/tex]
[tex]E = \frac{1.81428}{12.247}[/tex]
[tex]E = 0.1481[/tex]
Express as percentage
[tex]E = 14.81\%[/tex]
Given the following snippet of code, answer the following two questions based on the code: typedef enum {Sun, Mon, Tue, Wed, Thu, Fri, Sat} days; days x = Mon, y = Sat; while (x != y) { x++; } y++; printf("x = %d, y = %d", x, y); 1. What value will be printed for variable x? [ Select ] . 2. What value will be printed for variable y? [ Select ]
Answer:
1) The value of x will be 6.
2) The value of y will be 7.
Explanation:
1) The value of x will be 6.
The enum values are labeled by default from 1. This means that Sun = 1, Mon = 2, Tue = 3 and so on.
So, x = Mon = 2 and y = Sat = 6
x increases up to y = 6 in the while loop.
and then y also increments by 1.
2)So the value of y = 7.
You will need actual printf("Sun") or printf("Mon") for printing the actual text for the enum.
Read integers from input and store each integer into a vector until -1 is read. Do not store -1 into the vector. Then, output all values in the vector (except the last value) with the last value in the vector subtracted from each value. Output each value on a new line. Ex: If the input is -46 66 76 9 -1, the output is:
-55
57
67
Answer:
The program in C++ is as follows:
#include <iostream>
#include <vector>
using namespace std;
int main(){
vector<int> nums;
int num;
cin>>num;
while(num != -1){
nums.push_back(num);
cin>>num; }
for (auto i = nums.begin(); i != nums.end(); ++i){
cout << *i <<endl; }
return 0;
}
Explanation:
This declares the vector
vector<int> nums;
This declares an integer variable for each input
int num;
This gets the first input
cin>>num;
This loop is repeated until user enters -1
while(num != -1){
Saves user input into the vector
nums.push_back(num);
Get another input from the user
cin>>num; }
The following iteration print the vector elements
for (auto i = nums.begin(); i != nums.end(); ++i){
cout << *i <<endl; }
Describe what happens at every step of our network model, when a node of one network...
Answer:
Each node on the network has an addres which is called the ip address of which data is sent as IP packets. when the client sends its TCP connection request, the network layer puts the request in a number of packets and transmits each of them to the server.
x-1; while x ==1 disp(x) end, then the result a. infinity or b. (1)
Answer:
1 is the answer because ur trying to trick us
Explanation:
A company is considering making a new product. They estimate the probability that the new product will be successful is 0.75. If it is successful it would generate $240,000 in revenue. If it is not successful, it would not generate any revenue. The cost to develop the product is $196,000. Use the profit (revenue − cost) and expected value to decide whether the company should make this new product.
Answer:
-16000
Explanation:
Given
P(success) = 0.75
Amount generated on success, X = 240000
P(not successful) = P(success)' = 1 - 0.75 = 0.25
Revenue generated, 0
Product development cost = 196000
Profit = Revenue - cost
When successful ; 240000 - 196000 = 44000
Unsuccessful ; 0 - 196000 = - 196000
x __________ 44000 _____ - 196000
P(x) _________ 0.75 _________ 0.25
The expected value ; E(X) = Σx * p(x)
Σx * p(x) = (44000 * 0.75) + (-196000 * 0.25)
= 33000 + - 49000
= - 16000
Hence, the company should not make the product
Answer:
-16000
Given P(success) = 0.75
Amount generated on success, X = 240000
P(not successful) = P(success)' = 1 - 0.75 = 0.25
Revenue generated, 0
Product development cost = 196000
Profit = Revenue - cost
When successful ; 240000 - 196000 = 44000
Unsuccessful ; 0 - 196000 = - 196000
x __________ 44000 _____ - 196000
P(x) _________ 0.75 _________ 0.25
The expected value ; E(X) = Σx * p(x) Σx * p(x) = (44000 * 0.75) + (-196000 * 0.25) = 33000 + - 49000 = - 16000 Hence, the company should not make the product
Explanation:
edge 2021
Examine the following output:
4 22 ms 21 ms 22 ms sttlwa01gr02.bb.ispxy.com [154.11.10.62]
5 39 ms 39 ms 65 ms placa01gr00.bb.ispxy.com [154.11.12.11]
6 39 ms 39 ms 39 ms Rwest.plalca01gr00.bb.ispxy.com [154.11.3.14]
7 40 ms 39 ms 46 ms svl-core-03.inet.ispxy.net [204.171.205.29]
8 75 ms 117 ms 63 ms dia-core-01.inet.ispxy.net [205.171.142.1]
Which command produced this output?
a. tracert
b. ping
c. nslookup
d. netstat
Answer:
a. tracert
Explanation:
Tracert is a computer network diagnostic demand which displays possible routes for internet protocol network. It also measures transit delays of packets across network. The given output is produced by a tracert command.
3. State whether the given statements are true or false. a. The computer is called a data processor because it can store, process, and retrieve data whenever needed. b. Modern processors run so fast in term of megahertz (MHz). c. If millions of calculations are to be performed, a computer will perform every calculation with the same accuracy. d. It is very safe to store data and information on the computer independently. e. If some electrical or electronic damages occur, there are no any chances of data loss or damage f. The output devices of the computer like monitor, printer, speaker, etc. can store meaningful information, g. The input devices can display the output after processing. h. Students can also use computer as their learning tools.
Answer:
a,b,c,d,f,g are true only e is false
Need help ASAP!
Which of the following statements is true?
1) A PCAP format is handy because there is no additional tool to read it.
2) Network traffic can be captured using the Tcpdump protocol analyzer.
3) Normally, traffic inside a network is recorded within a capture file.
4) Sniffer is a program to save the network capture to a specific format.
The statement that is true is that Network traffic can be captured using the Tcpdump protocol analyzer.
How is network traffic captured?Network traffic can be taken in using the Tcpdump. This is known to be a kind of packet sniffer that is often used to look and record network traffic on an interface.
An example is when a person capture 1,000 packets through the use of tcpdump. One can then analyze network traffic by using actual network traffic analyzer, which is as Wireshark.
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