Chapter 13 Study Guide
In the pretest syntax for a Do...Loop, the {While | Until} condition section is part of the _____ clause
Do
When a posttest loop is placed in a selection structure, the loop will be processed only when the selection structure's condition evaluates to True
true
How many times will the computer process the MessageBox.Show method in the following code? intCount = 0 Do MessageBox.Show ("Hello") intCount += 1 Loop While intCount > 3
1
In the posttest syntax for a Do...Loop, the {While | Until} condition section is part of the _____ clause
Loop
Which of the following Loop clauses will stop the loop only when the intAge variable's value is less than the number 0?
Loop While intAge >= 0
______ loops should be used only when their instructions must be processed at least once
Posttest
When should posttest loops be used?
When the instruction have to be processed at least once
With a posttest loop, the condition is evaluated _________ the loop instructions are processed
after
A set of step-by-step instructions that accomplish a task
algorithm
With a pretest loop, the condition is evaluated ________ the loop instructions are processed
before
In a posttest loop, the diamond appears at the ________ of the flowchart
bottom
Reviewing an algorithm while seated at a desk, rather than in front of the computer
desk-check
The loop's condition is represented by a ________ in the flowchart
diamond
The difference between a pretest loop and a posttest loop pertains to when the loop's condition is ________
evaluated
In the posttest syntax, the condition is evaluated before the loop instructions are processed
false
In the pretest loop, the condition appears on the last line
false
Most programmers prefer to use posttest loops
false
Pretest loops should be used only when their instructions must be processed at least once
false
The difference between pretest and posttest loops pertains to how the accumulator is evaluated
false
Uses standardized symbols to visually depict an algorithm
flowchart
A loop that never ends is called a _______ loop
infinite
The Until condition in a Loop clause is a ______ condition
loop exit
The requirement that must be met for the computer to stop processing the loop body instructions
loop exit condition
You are given the following statement: Do ... Loop Until intCounter > intNumTimes. The Until intCounter > intNumTimes represents a _________
loop exit condition
The While condition in a Loop clause is a ______ condition
looping
The requirement that must be met for the computer to continue processing the loop body instructions
looping condition
The posttest loop is commonly used when the user needs to select from a _____
menu
You may test an initial condition of a posttest loop by _______
placing the posttest loop inside a selection structure
A loop whose condition is evaluated after the instructions in its loop body are processed is called a _______ loop
posttest
In the _________ loop, the condition appears in the last line
posttest
The ______ loop condition is evaluated after the instructions within the loop are processed
posttest
A loop whose condition is evaluated after the instructions in its loop body are processed
posttest loop
A loop whose condition is evaluated before the instructions in its loop body are processed is called a _______ loop
pretest
In the _________ loop, the condition appears in the first line
pretest
The ______ loop condition is evaluated before the instructions within the loop are processed
pretest
A loop whose condition is evaluated before the instructions in its loop body are processed
pretest loop
A false code that, although it resembles programming language instructions, it cannot be understood by a computer
pseudocode
The control structure that directs the computer to repeat one or more instructions until some condition is met, at which time the computer should stop repeating the instructions
repetition structure
To keep a posttest loop from processing at least once, use a ______ structure
selection
The control structure that directs the computer to make a decision and then take the appropriate action based on that decision
selection structure
In a pretest loop, the diamond appears at the ________ of the flowchart
top
A posttest loop's condition is evaluated after the instructions within the loop are processed
true
A pretest loop is easier to write and understand than a posttest loop with a selection structure
true
A pretest loop's condition is evaluated before the instructions within the loop are processed
true
A repetition structure can be either a pretest loop or a posttest loop
true
In the posttest syntax, the only purpose of the Do clause is to mark the beginning of the loop
true
The Do...Loop statement can be used to code a pretest loop as well as a posttest loop
true
The condition in a posttest loop can be phrased as either a looping condition or a loop exit condition
true
The condition in a pretest loop can be phrased as either a looping condition or a loop exit condition
true
The instructions in a pretest loop may never by processed
true