Assesment 4

How many times would the following loop iterate? Set k = 1 Do display k set k = k + 1 Until k > 2 2 Infinite 3 1

2

How many times would the following loop iterate? For j = 1 to 5 Step 2 Display j End For 4 5 0 3

3

Which type of loop repeats a statement or set of statements as long as the Boolean expression is false? Do-While For Do-Until While

Do-Until

Select all that apply. Which of the following are posttest loops? Do-While While Do-Until For

Do-While, Do-Until

In a For loop the programmer must know the exact number of iterations the loop must perform before writing the code. TRUE/FALSE

False

The test condition in a While loop must always be an integer value. TRUE/FALSE

False

You can only use positive integers as step values in a For statement. TRUE/FALSE

False

Which type of loop is specifically designed to initialize, test, and increment or decrement a counter variable? For Do-While Do-Until While

For

How many times would the following loop iterate? Set k = 1 While k <= 5 Display k End While Infinite 0 5 4

Infinite

If an expression is False, the _________ operator will return True. All are unary operators NOT AND OR

NOT

A(n) _______ represents a special value that marks the end of a list of values. Step End For Counter Sentinel

Sentinel

A While loop repeats infinitely when there is no statement inside the loop body that will make the test condition false. TRUE/FALSE

True

A condition-controlled loop can be used to iterate the body of the loop a specific number of times. TRUE/FALSE

True

Modules can be called from statements in the body of any loop. TRUE/FALSE

True

The Do-While loop is a posttest loop. TRUE/FALSE

True

The While and For loops are considered pretest loops because they test the condition before processing the statement(s) in the loop body. TRUE/FALSE

True

Which type of loop uses a Boolean expression to control the number of times a loop repeats? condition-controlled For count-controlled accumulator

condition-controlled

Statements that appear between While and End While statements are known as the _________. While statements loop body iteration values loop

loop body

Which of the following is the structure that causes a statement or set of statements to execute repeatedly? decision selection repetition sequence

repetition

The amount by which the counter variable is incremented or decremented in a For loop is known as the ________. accumulator incremental value step amount counter index

step amount