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Examen
AP Computer Science - Iteration (Unit 4) Test Review Questions And All Correct Answers.
repeat statements in our programs - Answer What do loops allow us to do? while loops and for loops - Answer What are the two main types of loops? when the condition being checked is true - Answer In loops, when does the statement inside the loop execute? -initial conditions (where we start) -statements (what we're going to do each time) -terminating conditions (usually something that increments inside the loop, and this helps the loop to stop) - Answer What are the thre...
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Ap Comp - Sci A - Unit 4 Review Questions And All Correct Answers.
PopularWhich statement can we use inside of a loop to end it? - Sln; - break; - SENTINEL; - else; - Answer break Which statement could be added to the while loop below so that it doesn't run indefinitely? public static void main(String[] args) { int x = 7; while (x > 0) { Sln(x); } } - You can add x-- after the print statement. - You can add x = -1 after the print statement. - You can add x++ after the print statement. - Both A and B above. - Answer Both A and B ...
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Computer Science Tests + Quizzes With Guaranteed Pass Solutions.
setting a starting value for a variable is called - Answer initializing which of the following is NOT true about while loops a. used to find remainders b. use conditions like if statements c. a way of repeating a code d. give us more control over how the program runs - Answer a` loops are used to _____________ code - Answer repeat why do we use WHILE loops? a. because of efficiency b. because computers can do calculations humans can't c. because programs need to ma...
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D278 4.11 Loops summary Prep Exam Questions And Correct Answers.
What is a loop in programming? - Answer A program construct that repeatedly executes the loop's statements (known as the loop body) while the loop's expression is true; when false, execution proceeds past the loop. What is each time through a loop's statements called? - Answer An iteration. What is a common task for loops in programming? - Answer To examine a list of values one value at a time and update variables along the way, such as computing an average, counting the ...
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Comp Sci loops Study Guide Exam Questions And Actual Answers.
How many lines will this program print? while True: print "hi" 0 1 an infinite number of lines - Answer an infinite number of lines How many lines will this program print? x = 10 while x > 0: print x x = x - 3 3 4
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Chapter 4 Computer Science Latest Exam Questions And Answers Rated A+.
We use loops to: Process Numeric Data Ask true/false questions Repeat blocks of code Ask users to enter information - Answer Repeat blocks of code Consider the following code: num = int(input("Enter a number, negative to stop")) while (num >= 0): print ("You entered: " + str(num)) num = int(input("Enter a number, negative to stop")) print ("Done.") What is wrong? The num >= 0 test condition is not correct There is nothing wrong wi...
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AP-Computer Science – Loops Midterm Exam Questions And Actual Answers.
If...Then loop - Answer Which of these is not a loop? A. For loop B. If...Then loop C. While loop D. Do...While loop 640 - Answer Examine the following code: int count = 10; for(int x = 0; x<=5; x++){ count = count*2; } Sln(count); What will be printed as a result of executing this code? A. 60 B. 210 C. 640 D. 1000 E. There will be a compilation error. Infinite loop - Answer What error will occur when the following Do...While Loop is executed. int count = ...
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AP CSP - Lists, Loops, and Traversals Questions And Actual Answers.
List - Answer an ordered collection of elements Element - Answer an individual value in a list that is assigned a unique index Index - Answer a common method for referencing the elements in a list or string using numbers Iteration - Answer a repetitive portion of an algorithm which repeats a specified number of times or until a given condition is met. infinite loop - Answer occurs when the ending condition will never evaluate to true. Traversal - Answer the proce...
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