Answer:
This question is answered using C++
#include<iostream>
#include <cstdlib>
#include <ctime>
using namespace std;
int main(){
int ope, yourresult;
cout<<"Select Operator: \n"<<"1 for addition\n"<<"2 for subtraction\n"<<"3 for multiplication\n";
cout<<"Operator: ";
cin>>ope;
srand((unsigned) time(0));
int num1 = rand() % 12;
int num2 = rand() % 12;
int result = 1;
if(ope == 1){
cout<<num1<<" + "<<num2<<" = ";
result = num1 + num2;
}
else if(ope == 2){
cout<<num1<<" - "<<num2<<" = ";
result = num1 - num2;
}
else if(ope == 3){
cout<<num1<<" * "<<num2<<" = ";
result = num1 * num2;
}
else{
cout<<"Invalid Operator";
}
cin>>yourresult;
if(yourresult == result){
cout<<"Correct!";
}
else{
cout<<"Incorrect!";
}
return 0;
}
Explanation:
This line declares operator (ope) and user result (yourresult) as integer
int ope, yourresult;
This prints the menu
cout<<"Select Operator: \n"<<"1 for addition\n"<<"2 for subtraction\n"<<"3 for multiplication\n";
This prompts the user for operator
cout<<"Operator: ";
This gets user input for operator
cin>>ope;
This lets the program generates different random numbers
srand((unsigned) time(0));
This generates the first random number
int num1 = rand() % 12;
This generates the second random number
int num2 = rand() % 12;
This initializes result to 1
int result = 1;
If the operator selected is 1 (i.e. addition), this prints an addition operation and calculates the actual result
if(ope == 1){
cout<<num1<<" + "<<num2<<" = ";
result = num1 + num2;
}
If the operator selected is 2 (i.e. subtraction), this prints an subtracttion operation and calculates the actual result
else if(ope == 2){
cout<<num1<<" - "<<num2<<" = ";
result = num1 - num2;
}
If the operator selected is 3 (i.e. multiplication), this prints an multiplication operation and calculates the actual result
else if(ope == 3){
cout<<num1<<" * "<<num2<<" = ";
result = num1 * num2;
}
If selected operator is not 1, 2 or 3, the program prints an invalid operator selector
else{
cout<<"Invalid Operator";
}
This gets user input
cin>>yourresult;
This checks if user result is correct and prints "Correct!"
if(yourresult == result){
cout<<"Correct!";
}
If otherwise, the program prints "Incorrect!"
else{
cout<<"Incorrect!";
}
return 0;
//CODEvoid f(int a){while(a--) {static int n = 0;int x = 0;cout << "n: " << n++ << " ,x: " << x++ << endl;}}int main(){f(3);return 0;}Question: What is the output of the above code?
Answer:
The static n variable is incremented twice and the results printed in the console but the output of the x variable remains constant.
Explanation:
The while loop in the C++ source code increments the n variable as the argument of the function "a" is decremented. The n variable output is 0,1, and 2 while the x variable is 0 for every iteration.
Functionality testing is primarily used with ____________. firewall protection software development hardening servers server testing
Answer:
software development
Explanation:
Functionality testing may be defined as the process of quality assurance. It is a type of a black box testing which bases its test cases to the specification of the software component.
Software testing is done to evaluate the compliance of the system. It is mainly used for software testing.
Some of the types of the software testing are :
-- smoke testing
-- component testing
-- system testing
-- unit testing
-- integration testing
Who is responsible for developing the physical background for the characters by creating buildings, landscapes, and interiors?
A. costume designer
B. art director
C. director
D. cinematographer
Answer:
B. Art Director
Explanation:
Plato
Lola wants to install an add-in in Excel.She has to unblock the add-in to allow Excel to open the add-in file automatically.To do this,she right clicks on the add-in file and selects an option from the menu. What could the option be?
A) Copy
B) Delete
C) Rename
D) Properties
Answer:
The correct answer is:
Properties (D)
Explanation:
First of all, option D (Properties) is the option that makes the most sense in this scenario, because the other options: Copy, Delete, and Rename are unrelated commands to what is to be achieved.
Secondly and more practically, an add-in file may not load in excel, and most of the time it is blocked by default and has to be unblocked. The following steps are used:
1. close Excel if it is open
2. open the folder where the add-in file is located, right-click on the add-in file, and select "properties"
3. a display tray will appear, having the attributes: Read-only, Hidden, Advanced, and unblock. Click the checkbox against "unblock" and make sure it is checked.
4. click Apply and Click Ok
Voila, your add-in file is unblocked.
N:B The Images are for steps 2 and 3
Cora is writing a program to make a motorcycle racing game. If Cora wants the speed of the motorcycle to appear on the screen when the game is played, then Cora needs to add something to the code that will make the speed a(n) _____.
A. input
B. output
C. Boolean value
D. conditional statement
Cora needs to add something to the code that will make the speed a(n) and that is the C. Boolean value.
What is a Boolean value?In pc programming, Boolean values are used to create situations and manipulate how this system behaves whilst sure matters happen (e.g.: if a circumstance is true, then do something). They may have handiest feasible values: both zero or 1. You can not upload or subtract them.
The Boolean value will add up the value to the code that will make the speed.
Read more about the code :
https://brainly.com/question/3653791
#SPJ2
what's a good online University to attended for cyber security certificate.?
Answer:
If your in the UK, a great university to attend is Lancaster University for a cyber security certificate.
Explanation:
A pedometer treats walking 2,000 steps as walking 1 mile. Write a program whose input is the number of steps, and whose output is the miles walked.
Output each floating-point value with two digits after the decimal point, which can be achieved as follows:
printf("%0.2lf", yourValue);
Ex: If the input is:
5345
the output is:
2.67
Your program must define and call a function:
double StepsToMiles(int userSteps)
#include
/* Define your function here */
int main(void) {
/* Type your code here. */
return 0;
}
Answer:
The complete program is:
#include <stdio.h>
double StepsToMiles(int userSteps){
return userSteps/2000.00;
}
int main(void) {
int userSteps;
printf("User Steps: ");
scanf("%d",&userSteps);
printf("%0.2f", StepsToMiles(userSteps));
return 0;
}
Explanation:
This line defines the function
double StepsToMiles(int userSteps){
This returns the required output by dividing userSteps by 2000.
We used 2000.00 because we want it to return a floating point number
return userSteps/2000.00;
}
The main begins here
int main(void) {
This declares userSteps as integer
int userSteps;
This prompt user for input
printf("User Steps: ");
This gets user input
scanf("%d",&userSteps);
This calls the function and also returns the required output to 2 decimal places
printf("%0.2f", StepsToMiles(userSteps));
return 0;
}
Answer:
Coral Language Code
A pedometer treats walking 2,000 steps as walking 1 mile. Define a function named StepsToMiles that takes an integer as a parameter, representing the number of steps, and returns a float that represents the number of miles walked. Then, write a main program that reads the number of steps as an input, calls function StepsToMiles() with the input as an argument, and outputs the miles walked.
Output the result with four digits after the decimal point, which can be achieved as follows:
Put result to output with 4 decimal places
If the input of the program is:
5345
the function returns and the output of the program is:
2.6725
Your program should define and call a function:
Function StepsToMiles(integer userSteps) returns float numMiles
Explanation:
Function StepsToMiles(integer userSteps) returns float numMiles
numMiles = userSteps / 2000.0
Function Main() returns nothing
float result
integer userSteps
userSteps = Get next input
result = StepsToMiles(userSteps)
Put result to output with 4 decimal places
A. Write a Python program to match key values in two dictionaries. Input: {'key1': 1, 'key2': 3, 'key3': 2}, {'key1': 1, 'key2': 2} Output: key1: 1 is present in both x and yB. Write a Python program to sort Counter by value. Input: {'Math': 81, Physics':83, 'Chemistry':87) Output: [('Chemistry', 87), ('Physics', 83), ('Math', 81)
Answer:
Please find the attachment of the code file and its output:
Explanation:
In the first code, two variable "a, b" is defined that holds dictionary value which is defined in the question, in the next step a for loop is declared that hold dictionary key and value and use a method set to check the value is available in the dictionary and use print method to print its value.
In the second code, a package counter is an import as the c for count value, in the next step a variable a is declared, that uses a counter method to hold a dictionary value in its parameter, and in the print method, it uses sort method to print its value.
A company has three (3) components in a system and requires all three to be operational for 24 hours, Monday to Friday. Failure of component 1 occurs as follows: Monday = No failure. Tuesday = 5 a.m. to 7 a.m. Wednesday = No failure. Thursday = 4 p.m. to 8 p.m. Friday = 8 a.m. to 11 a.m. Directions: Using the scenario above, respond to the items below. Calculate the MTBF (Mean Time Between Failures) and MTTR of component 1. Show your steps of how you calculated the MTBF. Steps: MTBF = Total Uptime / Number Failures Total Uptime = (Number of Days Required Operational x Hours per Day Available) - Number of Hours Not Available MTTR = Total Downtime / Number of Failures What does the MTBF measurement tell you about the goal of having 99.999% uptime or Information Availability on system components?
Answer:
Following are the code to this question:
#include<stdio.h>//defining header file
//using namespace std;
int main()//defining main method
{
float MTBF, MTTR, Total_up;//defining float variable
Total_up = (4 * 24) - 9;//defining Total_up variable that calculate Total uptime value
MTBF = Total_up / 3.0;//defining MTBF variable that calculate its value
MTTR = 9 / 3;//defining MTTR that calculate its value
printf("\n The total value of MTBF: %f",MTBF);//print value with message
printf(" \n The total value of MTTR: %f ",MTTR);//print value with message
return 0;
}
Output:
The total value of MTBF: 29.000000
The total value of MTTR: 3.000000
Explanation:
In the above-given code, three float variable "MTBF, MTTR, and Total_up" is defined, in the next step the "Total_up" variable is defined, that holds a value to calculate its value.
In the next step, the "MTBF, and MTTR" variable is defined, and in the "MTBF" variable, it uses Total_up variable value to calculate its value and use the print method to print the "MTBF and MTTR" value.
Display the order date and the ship date for all orders that were made April 1 through April 15. List the order date, ship date, order priority, and ship mode. Order the results by order_date. Do you notice anything unusual about the data? [Hint: You will need to join the orders and shipping together and use a join statement. You will need to limit the result set by the date field order_date <= to_date('04/15/2018', 'mm/dd/yyyy')This is what I was able to come up with but it still gave me an error.select orders.order_date, shipping.ship_date, orders.order_priority, shipping.ship_modefrom ordersinner join shipping on orders.order_date = shipping.ship_datewhere Orders.Order_date = Shipping.ship_date AND Order_Date BETWEEN TO_DATE (’04/01/2018’, ‘04/15/2018’)ORDER BY Order_Date;
Answer:
SELECT Order_date, Ship_Date, Order_priority, Ship_mode
FROM orders
JOIN Shipping ON Orders.Order_id = Shipping.Order_id
WHERE Order_date
BETWEEN TO_DATE('04/01/2018', '%m/%d/%Y') AND TO_DATE('04/15/2018', '%m/%d/%Y')
ORDER BY Order_date
Explanation:
The SQL statement above queries a database with four tables shipping, orders, market and product. The query returns four columns from two tables orders and shipping, returning only rows with order dates between April 1 and April 15 of 2018. The tables are joined with the primary key order_id and the dates are parsed with the to_date function. The result is also ordered by the order_date
what are the elements in a publication called
Answer:
There are several important elements in a magazine layout, such as headline, image, image caption, running head, byline, subhead, body copy, etc. Here, we look into the ten most crucial elements of a magazine layout.
Answer:
MARK AS BRAINLIEST ANSWERS
PLZ FOLLOW ME
Explanation:
There are several important elements in a magazine layout, such as headline, image, image caption, running head, byline, subhead, body copy, etc.
HOPE IT HELPS YOU
Please could you help me
Task 4
Decode this:
010010010110011000100000011110010
110111101 10101001000000110001101
1000010110111000100000011110011
Answer:
is this a among us reference oooorr...... im confused. are u being frfr ...?
Explanation:
Answer:
hmmmm its decode
Explanation:
decode
Write a print10() method that takes an array as a parameter and prints out the first 10 words of the array.
Answer:
This question is answered using Java programming language:
public static void print10(String[]arr){
for(int i =0; i<10;i++){
System.out.println(arr[i]);
}
}
Explanation:
This line defines the method
public static void print10(String[]arr){
This iterates from 0 to 9 index of the array. In other words, 1st to 10th
for(int i =0; i<10;i++){
This prints the required output (one on a line)
System.out.println(arr[i]);
}
}
Refer to attachment for the complete program that includes the main method.
Following are the program to count array words:
Program Explanation:
Defining a class "Main".Inside the class, a method "print10" is declared that takes an array of string inside the parameter, and define a for loop that prints 10 string value.Outside the method, the main method is declared that defines the array of strings that holds string value and passes the value into the method "print10" and prints its value.Program:
public class Main //defining a class Main
{
private static void print10(String[] di)//defining a method print10
{
System.out.println("First 10 words in string array: ");//print message
for(int i=1; i<11; i++)//defining a loop that prints array value
{
System.out.println(i+"\t "+di[i]);//print array value
}
}
public static void main(String[] a) //defining main method
{
String[] di = {"Alpha", "Bravo", "Charlie", "Delta", "Echo", "Foxtrot", "Golf", "Hotel", "India", "Julie", "Kilo", };//defining array of String that hold value
print10(di);//calling method and print its value
}
}
Output:
Please find the attached file.
Learn more:
brainly.com/question/7052857
5.19 LAB: Exact change - functions
Write a program with total change amount as an integer input that outputs the change using the fewest coins, one coin type per line. The coin types are dollars, quarters, dimes, nickels, and pennies. Use singular and plural coin names as appropriate, like 1 penny vs. 2 pennies.
Ex: If the input is:
0
or less, the output is:
no change
Ex: If the input is:
45
the output is:
1 quarter
2 dimes
Your program must define and call the following function. The function exact_change() should return num_dollars, num_quarters, num_dimes, num_nickels, and num_pennies.
def exact_change(user_total)
Answer:
def exact_change(user_total):
if user_total <=0:
print("No change")
else:
num_dollars = int(user_total/100)
user_total = user_total % 100
num_quarters= int(user_total/25)
user_total = user_total % 25
num_dimes= int(user_total/10)
user_total = user_total % 10
num_nickels= int(user_total/5)
num_pennies= user_total % 5
if num_dollars >= 1:
if num_dollars == 1:
print(str(num_dollars)+" num_dollars")
else:
print(str(num_dollars)+" amountdollars")
if num_quarters>= 1:
if num_quarters== 1:
print(str(num_quarters)+" quarter")
else:
print(str(num_quarters)+" quarters")
if num_dimes>= 1:
if num_dimes== 1:
print(str(num_dimes)+" dime")
else:
print(str(num_dimes)+" dimes")
if num_nickels>= 1:
if num_nickels== 1:
print(str(num_nickels)+" nickel")
else:
print(str(num_nickels)+" nickels")
if num_pennies>= 1:
if num_pennies== 1:
print(str(num_pennies)+" penny")
else:
print(str(num_pennies)+" pennies")
user_total = int(input("Enter user_total Here: "))
exact_change(user_total)
Explanation:
The explanation is long. So, I added it as an attachment.
Answer:
Written in Python:
def exact_change(user_total):
num_dollars = user_total // 100 #convert to dollars
user_total %= 100 #get remainder after conversion
num_quarters = user_total // 25 #convert to quarters
user_total %= 25 #get remainder after conversion
num_dimes = user_total // 10 #convert to dimes
user_total %= 10 #get remainder after conversion
num_nickels = user_total // 5 #convert to nickels
user_total %= 5 #get remainder after conversion
num_pennies = user_total
return(num_dollars, num_quarters, num_dimes, num_nickels, num_pennies)
if __name__ == '__main__':
input_val = int(input()) #prompt user to input an integer
num_dollars, num_quarters, num_dimes, num_nickels, num_pennies = exact_change(input_val) #recall exact_change function
#define output statements to output number of exact_change variables:
#num_dollars, num_quarters, num_dimes, num_nickels, num_pennies
if input_val <=0: #if amount is zero
print('no change') #print output
else:
if num_dollars > 1: #if number of dollars is greater than one
print('%d dollars' % num_dollars) #print number of dollars
elif num_dollars == 1: # if number of dollars equal 1
print('%d dollar' % num_dollars) #print dollar in singular
if num_quarters > 1: #if number of quarters is greater than one
print('%d quarters' % num_quarters) #print number of quarters
elif num_quarters ==1: # if number of quarters equal 1
print('%d quarter' % num_quarters) #print quarter in singular
if num_dimes > 1: #if number of dimes is greater than one
print('%d dimes' % num_dimes) #print number of dimes
elif num_dimes == 1: # if number of dimes equal 1
print('%d dime' % num_dimes) #print dime in singular
if num_nickels > 1: #if number of nickels is greater than one
print('%d nickels' % num_nickels) #print number of nickels
elif num_nickels == 1: # if number of nickels equal 1
print('%d nickel' % num_nickels) #print nickel in singular
if num_pennies >1: #if number pennies is greater than one
print('%d pennies' % num_pennies) #print number of pennies
elif num_pennies ==1: # if number of pennies equal 1
print('%d penny' % num_pennies) #print penny in singular
Explanation:
It's really long, but it's necessary to get all the correct answers.
Mad Libs are activities that have a person provide various words, which are then used to complete a short story in unexpected (and hopefully funny) ways. Complete the program to read the needed values from input, that the existing output statement(s) can use to output a short story. Ex: If the input is: Eric Chipotle 12 cars
Answer:
statement = input("Enter four words separated by a space: ")
split_list = statement.split(" ")
print(f"{split_list[0]} went to {split_list[1]} to buy {split_list[2]} different types of {split_list[3]}")
Explanation:
The python program uses the input function to get user input from the STDIN and the words gotten are splitted to a list, then the items of the list are used as part of a sentence.
Answer:
Playing around with this and came up with this, it took about an hour before I understood what it was wanting.
first_name = input()
generic_location=input()
whole_number= input()
plural_noun= input()
print(first_name, 'went to', generic_location, 'to buy', whole_number, 'different types of', plural_noun)
Explanation:
I didnt understand it at first until I thought about it. This would be the answer if you are looking for it.
Write a program that demonstrates the class by creating a Payroll object, then asking the user to enter the data for an employee.
Answer:
import java.util.Scanner;
public class Payroll {
//set variable field
private String name;
private int idNumber;
private double hourlyRate;
private int hoursWorked;
private double grossPay;
//methods to get values of private class variables
public String getName()
{
return name;
}
public int getIdNumber()
{
return idNumber;
}
public double getHourlyRate()
{
return hourlyRate;
}
public int getHoursWorked()
{
return hoursWorked;
}
public double getGrossPay()
{
return hoursWorked * hourlyRate;
}
//methods to initialize or change the private class values.
public void setName( String nameGiven)
{
name = nameGiven;
}
public void setIdNumber(int idNumberGiven)
{
idNumber = idNumberGiven;
}
public void setHourlyRate(double rateGiven)
{
hourlyRate = rateGiven;
}
public void setHoursWorked(int hoursGiven)
{
hoursWorked = hoursGiven;
}
//Constructors
public Payroll(String nameGiven, int idNumberGiven, double rateGiven, int hoursGiven)
{
name = nameGiven;
idNumber = idNumberGiven;
hourlyRate = rateGiven;
hoursWorked = hoursGiven;
}
public static void main(String[] args)
{
double userGrossPay;
String userEmplName;
int userIdNum;
double userRate;
int userHours;
Scanner scanner = new Scanner(System.in);
System.out.print("Enter employee's name:");
userEmplName = scanner.nextLine();
System.out.print("Enter employee's ID number:");
userIdNum = scanner.nextInt();
System.out.print("Enter hourly rate:");
userRate = scanner.nextDouble();
System.out.print("Enter number of hours worked:");
userHours = scanner.nextInt();
Payroll payroll1 = new Payroll(userEmplName, userIdNum, userRate, userHours);
payroll1.setName(userEmplName);
payroll1.setIdNumber(userIdNum);
payroll1.setHourlyRate(userRate);
payroll1.setHoursWorked(userHours);
System.out.printf(userEmplName + ", employee number " + userIdNum + ", made $%.2f in gross pay.\n", payroll1.getGrossPay());
}
}
Explanation:
The class "Payroll" is used to hold data of employees to be paid. the main function creates an instance of the class "payroll1", sets the name, id-number, hourly rate, and hours worked by the employee, then prints on screen the details of the payroll1 object.
According to a survey of hikers on a trail, 50% of the hikers like Gatorade (G) and 40% like energy bars (E). 20% like both. Assume random selection:____________ a. Find the probability that a hiker likes Gatorade or energy bars b. If a hiker likes Gatorade, find the probability that he likes energy bars c. If a hiker likes energy bars, find the probability that he likes Gatorade.
Answer:
Explanation:
As per given data
Probability hikers like Gatorade (G) = P(G) = 50% = 0.5
Probability hikers like energy bars = P(E) = 40% = 0.4
Probability hikers like both = P(G and E) = 20% = 0.2
a)
To find the probability that a hiker likes Gatorade or energy bars use the following formula
P(G or E) = P(G) + P(E) - P(G and E )
P(G or E) = 0.5 + 0.4 - 0.2
P(G or E) = 0.7
b)
To find the probability that a hiker likes Gatorade or energy bars use the following formula
P(E|G) = P(E and G)/P(G)
P(E|G) = 0.2/0.5
P(E|G) = 0.4
c)
The probability that he likes Gatorade.
P(G|E) = P(G and E) / P(E)
P(G|E) = 0.2 / 0.4
P(G|E) = 0.5
Which of these usually runs in the background without much
interaction with the user?
A
systems software
B
application software
C
a GUI
D
input/output devices
Answer:
A:System Software is the answer
Whats wrong with this code
You're not adding your temperature to the total so total will always be 0. Do something like this:
total += float(input("Enter Temperature: "))
You can directly add the user entered value without creating an extra variable.
Design a for loop that gets 6 integer numbers from a user, accumulates the total of them, then displays the accumulated total to the user. Just write the code segment to show what is asked, not a complete program. However, declare any variables that you need to use. Use a semicolon (;) at the end of each line of code so I can tell when you use a new line in your code.
Answer:
Explanation:
The following loop code is written in Java and asks the user for the 6 integer numbers as mentioned in the question and sums them up. Finally putting them into a variable named total and printing it out.
int total = 0;
for (int x = 0; x < 6; x++) {
Scanner in = new Scanner(System.in);
System.out.println("Enter an integer: ");
total += in.nextInt();
}
System.out.println("Your total is: " + total);
What is the computer software? Does a hardware can work without software?
Answer:
Hope this helped!
Explanation:
A computer software is anything that lets you work with computers what happens inside it, and hard ware is the actual computer and its parts, so no a computer hardware CANNOT work without a software.
Answer:
computer software is the collection of data or computer instructions that tell computer how to work.
Hardware and software are interconnected to each other, with software the hardware of computer wouldn't have any function.
An IT systems engineer creates a new Domain Name System (DNS) zone that contains pointer (PTR) resource records. Which zone type has been created?
Answer:
SOA
Explanation:
Statement of Authority, or you could also say that the zone that has been created is a reverse lookup
Which is the OS that can be obtained for free or at a much lower price than other major operating systems?
a. Apple's OS X
b. Microsoft's Windows 8
c. Linux
. Write and execute a query that will determine the average age of customers broken out by the city in which they reside. Note: Make sure that the average age is not truncated to an integer.
Answer:
SELECT resid_city, avg(convert(float,age))
FROM customer
GROUP BY resid_city
Explanation:
SQL or structured query language is a language used to interact with databases. It is a relational database language, used to create, update, and query the content of databases.
The "SELECT" clause in the query statement above is used to read the content of the customer table querying the table based on the average age of customers grouped by their resident cities to return the "resid_city" and the float number of the average age.
Something I should look for when trying to decide if a source is credible is the publication's ....
1.pictures
2.date
3.popularity
4.front cover
Describe the main roles of the communication layer, the network-wide state-management layer, and the network-control application layer in an SDN controller.
Answer:
1.
Role of communication layer:
-it has the responsibility of transferring information among network controlled devices.
-it provides up to date view of the state of the network to SDN controller which shows that a new device has being added to the network as well as the link that was attached being non-existent.
2.
Role of network wide state management layer:
-it is responsible for the controller having the network's state information
-it also helps in the making of ultimate control decisions.
c
role of network control application layer:
- It is responsible for the reading and also the writing of the state of the network as well as flow tables which are in the layer of state management.
- It also notifies of changes such as state-event change. this helps to take actions with regards to the event notification.
Instructions
Drag and drop to arrange the port types in
order of their speed capability from lowest
to highest
[See keyboard instructions here.
Answer:
The answer is below
Explanation:
Given that there are no specific options here. Here are some of the most common port types in order of their speed capability from lowest to highest.
In Bytes and Bits per second, that is:
1. USB 1.1 = 1.5 MB/s - 12Mbit/s
2. Firefire 400 = 50 MB/s - 400Mbit/s
3. USB 2.0 = 60 MB/s - 480Mbit/s
4. FireWire 800 = 100 MB/s - 800Mbit/s
5. USB 3.0 = 625 MB/s - 5Gbit/s
6. eSATA = 750 MB/s - 6Gbit/s
7. USB 3.1 = 1.21 GB/s. - 10Gbit/s
8. Thunderbolt = 1.25 GB/s * 2 (2 channels) - 10Gbit/s * 2 (2 channels)
9. Thunderbolt 2 = 2.5 GB/s - 20Gbit/s
10. Thunderbolt 3 = 5 GB/s - 40Gbit/s
Normalization works through a series of stages called normal forms. For most purposes in business database design, _____ stages are as high as you need to go in the normalization process.
a. two
b. three
c. four
d. five
Normalization works through a series of stages called normal forms. For most purposes in business database design, three stages are as high as you need to go in the normalization process.
Normalization is the process of organizing and structuring a database in a way that reduces redundancy, dependency, and anomalies while improving data integrity and efficiency. It involves applying a set of rules and guidelines to design a database schema that minimizes data redundancy and ensures data consistency.
The primary goal of normalization is to eliminate data anomalies such as insertion, update, and deletion anomalies, which can occur when data is duplicated or dependencies between data elements are not properly managed.
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Assume you are part of the systems development team at a medium-sized organization. The database will enable sales reps to have more control over their customer information including up to date information on purchases, backorders, returns, and invoices. As a result of the system the company will be able to assign accounts to sales reps based on their expertise, the proximity to their other accounts, and experience level in the company. Commissions will also vary based on the types of products and services sold and the reps will be able to see special promotional programs in their regions. Part 1: you have just completed the database design portion of the systems design phase, and the project sponsor would like a status update. Assuming the project sponsor is a VP in the marketing department, with only a high-level understanding of technical subjects, how would you go about presenting the database design you have just completed? Part 2: how would your presentation approach change if the project sponsor were the manager of the database team?
Write a Python3 program to check if 3 user entered points on the coordinate plane creates a triangle or not. Your program needs to repeat until the user decides to quit, and needs to deal with invalid inputs.
Answer:
tryagain = "Y"
while tryagain.upper() == "Y":
x1 = int(input("x1: "))
y1 = int(input("y1: "))
x2 = int(input("x2: "))
y2 = int(input("y2: "))
x3 = int(input("x3: "))
y3 = int(input("y3: "))
area = abs(x1 *(y2 - y3) + x2 * (y1 - y3) + x3 * (y1 - y2))
if area > 0:
print("Inputs form a triangle")
else:
print("Inputs do not form a triangle")
tryagain = input("Press Y/y to try again: ")
Explanation:
To do this we simply calculate the area of the triangle given that inputs are on plane coordinates i.e. (x,y).
If the area is greater than 0, then it's a triangle
If otherwise, then it's not a triangle.
This line initializes iterating variable tryagain to Y
tryagain = "Y"
while tryagain.upper() == "Y":
The following lines get the coordinates of the triangle
x1 = int(input("x1: "))
y1 = int(input("y1: "))
x2 = int(input("x2: "))
y2 = int(input("y2: "))
x3 = int(input("x3: "))
y3 = int(input("y3: "))
This calculates the area
area = abs(x1 *(y2 - y3) + x2 * (y1 - y3) + x3 * (y1 - y2))
This checks for the condition stated above.
if area > 0:
print("Inputs form a triangle") This is printed, if true
else:
print("Inputs do not form a triangle") This is printed, if otherwise
tryagain = input("Press Y/y to try again: ") This prompts the user to try again with another set of inputs