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Exam 5: Control Structures II Repetition

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Question 1

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What is the output of the following C++ code?

A) 0
B) 6
C) 8
D) 10

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Question 2

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A semicolon at the end of the for statement (just before the body of the loop) is a(n) ____________________ error.

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Question 3

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The ____ statement can be used to eliminate the use of certain (flag) variables.

In the case of the sentinel-controlled while loop, the first item is read before the while loop is entered.

What is the initial statement in the following for loop? (Assume that all variables are properly declared.)

When a continue statement is executed in a ____, the update statement always executes.

Suppose sum, num, and j are int variables, and the input is 4 7 12 9 -1. What is the output of the following code?

Assume that all variables are properly declared. The following for loop executes 20 times.

Consider the following code. This code is an example of a(n) ____ while loop.

What is the output of the following C++ code?

In a while and for loop, the loop condition is evaluated before executing the body of the loop. Therefore, while and for loops are called ____________________ loops.

____ loops are called posttest loops.

A loop that continues to execute endlessly is called a(n) ____ loop.

Suppose sum and num are int variables, and the input is 18 25 61 6 -1. What is the output of the following code?

The control statements in the for loop include the initial statement, loop condition, and update statement.

In ____ structures, the computer repeats particular statements a certain number of times depending on some condition(s) .

Which of the following statements generates a random number between 0 and 50?

A(n) ____-controlled while loop uses a bool variable to control the loop.

Which executes first in a do...while loop?

In a counter-controlled while loop, the loop control variable must be initialized before the loop.