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3 years ago

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i have been looking for like 20 mins now and cant find the answers to test 3 on edhesive. does anybody have an clue to where i c

an find it? it is a 20 question test.

Computers and Technology

1 answer:

frez [133]3 years ago

3 0

Answer:

Try looking it up. If not, go with your gut!

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What are source data entry devices

matrenka [14]

Answer:

<u><em>Source data entry devices are used for audio input, video input and to enter the source document directly to the computer. Source data entry devices do not require data to be typed-in, keyed-in or pointed to a particular location.</em></u>

Explanation:

7 0

3 years ago

Choose all statements that identify the benefits of programming design.

Lubov Fominskaja [6]

Answer:

yes

Explanation:

it provides a design approach to a specific type of problem

4 0

3 years ago

Read 2 more answers

Write a function named partfthat takes inas parameterstwo parallel lists: a list of times (in increasing order), and a list of d

mario62 [17]

The program calculates the velocity between points in a list is written below. The program is written in python 3 thus ;

t = input("Enter time values : ")

<em>#Enter</em><em> </em><em>the</em><em> </em><em>time</em><em> </em><em>values</em><em> </em><em>of</em><em> </em><em>the</em><em> </em><em>data</em>

p = input("Enter distance values : ")

<em>#Enter</em><em> </em><em>the</em><em> </em><em>distance</em><em> </em><em>values</em>

dist = [float(x) for x in p.split()]

time = [float(x) for x in t.split()]

<em>#pyt</em><em> </em><em>then</em><em> </em><em>values</em><em> </em><em>in</em><em> </em><em>a</em><em> </em><em>list</em><em> </em>

def partfthat(dist, time):

<em>#initialize</em><em> </em><em>function</em><em> </em><em>that</em><em> </em><em>takes</em><em> </em><em>in</em><em> </em><em>two</em><em> </em><em>parameters</em><em> </em>

vel = []

<em>#empty</em><em> </em><em>list</em><em> </em><em>to</em><em> </em><em>hold</em><em> </em><em>the</em><em> </em><em>calculated</em><em> </em><em>velocity</em><em> </em><em>values</em><em> </em>

i = 0

<em>#indexer</em><em> </em>

while i <= len(dist)-2:

<em>#while</em><em> </em><em>loop</em><em> </em><em>to</em><em> </em><em>iterate</em><em> </em>

v = (dist[i+1] - dist[i]) / (time[i+1] -time[i])

<em>#</em><em>Use</em><em> </em><em>the</em><em> </em><em>velocity</em><em> </em><em>formula</em><em> </em>

vel.append(v)

<em>#append</em><em> </em><em>values</em><em> </em><em>to</em><em> </em><em>the</em><em> </em><em>empty list</em><em> </em><em>created</em><em> </em>

i+=1

return vel

print(avg_vel(dist, time))

<em>A</em><em> </em><em>sample</em><em> </em><em>run</em><em> </em><em>of</em><em> </em><em>the</em><em> </em><em>program</em><em> </em><em>is</em><em> </em><em>attached</em><em>.</em><em> </em>

Learn more : brainly.com/question/25681441

4 0

3 years ago

True or False? At any point in time, an open file has a current file pointer indicating the place where the next read or write o

mr_godi [17]

Answer:

True is the correct answer for the above question.

Explanation:

When any document file is opened then every point has some particular address. so there is a pointer which states that where the read operation and the write operation is going on.
When any person writes any program to read a file or write a file then there is a need for some variable that is pointed for the reading and the write operation.
The document which is used for the write data or read data is also designed and maintained by some software.
Hence we can say that there are needs of some variable that point the operation of the file and it is also stated from the above question. Hence the above question statement is a true statement.

5 0

4 years ago

Write a function called factor that determines for a pair of integers whether the second integer is a factor of the first. The f

Aleks04 [339]

<h2>Answer:</h2>

//import the Scanner class to allow for user's input

import java.util.Scanner;

//Declare the class and call it FactorClass

public class FactorClass {

//Declare the function factor

//It returns either true or false, therefore the return type is boolean

//It receives two arguments - a and b

public static boolean factor(int a, int b){

//Check if a is divisible by b.

//Return true if yes

if(a % b == 0){

return true;

}

//return false if a is not divisible by b

return false;

} // End of method factor

//The main method to test the function factor()

public static void main(String[] args) {

//Create an object of the Scanner class

Scanner input = new Scanner(System.in);

//Prompt the user to enter the pair of numbers

System.out.println("Enter the pair of numbers (separated by a space)");

//grab and store the first number in a variable

int firstnum = input.nextInt();

//grab and store the second number in another variable

int secondnum = input.nextInt();

//With the variables, call the factor() method

//If it returns true, print the adequate message

if(factor(firstnum, secondnum)){

System.out.println(secondnum + " is a factor of " + firstnum);

}

//If it returns false, print the adequate message

else{

System.out.println(secondnum + " is NOT a factor of " + firstnum);

}

} // End of main method

} // End of class declaration

==============================================================

<h2>Sample Output 1:</h2>

>> Enter the pair of numbers separated by a space

8 4

>> 4 is a factor of 8

==============================================================

<h2>Sample Output 2:</h2>

>> Enter the pair of numbers separated by a space

9 4

>> 4 is NOT a factor of 9

==============================================================

<h2>Explanation:</h2>

The above code has been written in Java and it contains comments explaining every segment of the code. Kindly go through the comments for better understanding of the code.

For simplicity, the code is re-written as follows with little or no comments;

import java.util.Scanner;

//Declare the class and call it FactorClass

public class FactorClass {

public static boolean factor(int a, int b) {

if(a % b == 0){

return true;

}

//return false if a is not divisible by b

return false;

} // End of method factor

//The main method to test the function factor()

public static void main(String[] args) {

//Create an object of the Scanner class

Scanner input = new Scanner(System.in);

//Prompt the user to enter the pair of numbers

System.out.println("Enter the pair of numbers (separated by a space)");

//grab and store the first number in a variable

int firstnum = input.nextInt();

//grab and store the second number in another variable

int secondnum = input.nextInt();

if(factor(firstnum, secondnum)){

System.out.println(secondnum + " is a factor of " + firstnum);

}

else{

System.out.println(secondnum + " is NOT a factor of " + firstnum);

}

}

}

3 0

3 years ago