Question 1

Write a pretest loop that adds together the integers 2,4,6,8,10,12,14,16,18,and 20.Use the intNum variable to keep track of the integers.Store the result in the intResult variable (which contains the number 0).Use the For...Next statement.

Accepted Answer

The answer of Write a pretest loop that adds together...

Question 2

In a nested repetition structure,one loop,referred to as the ____ loop,is placed entirely within another loop,called the ____ loop.

Accepted Answer

A)  inner,outer 
B)  primary,secondary 
C)  minor,major 
D)  dependent,independent

Question 3

The loop created by the For...Next statement is a ____ loop.

Accepted Answer

A)  posttest 
B)  pretest 
C)  selection 
D)  sequential

Question 4

Explain the purpose of priming and update reads in a program.

Accepted Answer

The answer of Explain the purpose of priming and update...

Question 5

In a For...Next statement,if stepValue is positive,then startValue must be ____ endValue for the loop instructions to be processed.

Accepted Answer

A)  less than 
B)  more than 
C)  less than or equal to 
D)  more than or equal to

Question 6

The assignment statement that updates a counter or an accumulator is placed within the loop in a procedure.

Accepted Answer

A) True 
 B)False

Question 7

In a pretest loop,the evaluation of the condition occurs after the instructions within the loop are processed.

Accepted Answer

A) True 
 B)False

Question 8

A ____ structure is also referred to as a loop.

Accepted Answer

A)  selection 
B)  sequence 
C)  repetition 
D)  recursion

Question 9

Which of the following statements pauses program execution for 3 seconds?

Accepted Answer

The answer of Which of the following statements pauses program...

Question 10

The symbol used to represent a loop condition on a flowchart is the ____ symbol.

Accepted Answer

A)  diamond 
B)  rectangle 
C)  hexagon 
D)  parallelogram

Question 11

Each time either the user or a statement selects an item in a list box,the list box's SelectedValueChanged and ____ events occur.

Accepted Answer

A)  SelectedItemChanged 
B)  SelectionChanged 
C)  SelectedIndexChanged 
D)  ItemChanged

Question 12

The repetition programming structure is used to make decisions in a program.

Accepted Answer

A) True 
 B)False

Question 13

Explain the difference between using the keywords While and Until within a Do...Loop statement.

Accepted Answer

The answer of Explain the difference between using the keywords...

Question 14

The following code in a different program is not working properly.The message should display the value of the intCounter variable if the intCounter variable contains a balance that is less than or equal to 15.The message does not display.What mistake did the previous programmer make?

Accepted Answer

A)  The counter is not initialized. 
B)  The While keyword should be used instead of the Until keyword. 
C)  The counter is not incrementing. 
D)  intCounter += 1 should be changed to intCounter = intCounter + 1.

Question 15

The following code is not working properly.The message should display four times.What needs to be changed for the code to work properly?

Accepted Answer

The answer of The following code is not working properly.The...

Question 16

A(n)____ is a numeric variable used for adding together something.

Accepted Answer

A)  counter 
B)  updater 
C)  incrementer 
D)  accumulator

Question 17

You can use either the SelectedItem or ____ property to determine whether an item is selected in a list box.

Accepted Answer

A)  Selection 
B)  SelectedIndex 
C)  ItemChoice 
D)  Items

Question 18

Like the condition in a selection structure,the condition in a loop must evaluate to either True or False.

Accepted Answer

A) True 
 B)False

Question 19

Your supervisor wants you to change the Do...Loop in the previous problem to a For...Next loop.He also wants the message to display only three times.Which of the following For clauses should you use?

Accepted Answer

A)  For intCounter As Integer = 1 To 4 
B)  For intCounter As Integer = 1 To 3 
C)  For intCounter As Integer = 0 To 3 
D)  For intCounter = 1 To 3

Question 20

Explain the difference between a pretest loop and a posttest loop.

Accepted Answer

The answer of Explain the difference between a pretest loop...

Exam 6: The Repetition Structure

Write a pretest loop that adds together the integers 2,4,6,8,10,12,14,16,18,and 20.Use the intNum variable to keep track of the integers.Store the result in the intResult variable (which contains the number 0).Use the For...Next statement.

In a nested repetition structure,one loop,referred to as the loop,is placed entirely within another loop,called the loop.

The loop created by the For...Next statement is a ____ loop.

Explain the purpose of priming and update reads in a program.

In a For...Next statement,if stepValue is positive,then startValue must be ____ endValue for the loop instructions to be processed.

The assignment statement that updates a counter or an accumulator is placed within the loop in a procedure.

In a pretest loop,the evaluation of the condition occurs after the instructions within the loop are processed.

A ____ structure is also referred to as a loop.

Which of the following statements pauses program execution for 3 seconds?

The symbol used to represent a loop condition on a flowchart is the ____ symbol.

Each time either the user or a statement selects an item in a list box,the list box's SelectedValueChanged and ____ events occur.

The repetition programming structure is used to make decisions in a program.

Explain the difference between using the keywords While and Until within a Do...Loop statement.

The following code in a different program is not working properly.The message should display the value of the intCounter variable if the intCounter variable contains a balance that is less than or equal to 15.The message does not display.What mistake did the previous programmer make?

The following code is not working properly.The message should display four times.What needs to be changed for the code to work properly?

A(n) ____ is a numeric variable used for adding together something.

You can use either the SelectedItem or ____ property to determine whether an item is selected in a list box.

Like the condition in a selection structure,the condition in a loop must evaluate to either True or False.

Your supervisor wants you to change the Do...Loop in the previous problem to a For...Next loop.He also wants the message to display only three times.Which of the following For clauses should you use?

Explain the difference between a pretest loop and a posttest loop.