Programming Logic and Design Chapter 4 Review Questions and Answers

Programming Logic and Design
Chapter 4 Review Questions and
Answers

Which of the following is a definite loop?

a. A loop that executes as long as a user continues to enter valid data
b. A loop that executes 1000 times
c. Both of the above
d. None of the above - ANSWER-b. A loop that executes 1000 times

Which of the following is an indefinite loop?

a. A loop that executes 10 times
b. A loop that follows a prompt that asks a user how many repetitions to make and
uses that value to control the loop
c. Both of the above
d. None of the above - ANSWER-d. None of the above

When you decrement a variable, you ______

a. Set it to 0
b. Reduce it by one tenth
c. Subtract 1 from it
d. Remove it from a program - ANSWER-c. Subtract 1 from it

When two loops are nested, the loop that is contained by the other is the ______
loop

a. Captive
b. Unstructured
c. Inner
d. Outer - ANSWER-c. Inner

When loops are nested, ______

a. The typically share a loop control variable
b. One must end before the other begins
c. Both must be the same type--definite or indefinite
d. None of the above - ANSWER-d. None of the above

The chief advantage to using a for loop is

a. Infinite loops are prevented
b. Unlike a while loop, a for can be nested