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The loop control variable is initialized after entering the loop. (T/F) |
False |
|
In some cases, a loop control variable does not have to be initialized. (T/F) |
False |
|
An indefinite loop is a loop that never stops. (T/F) |
False |
|
You can either increment or decrement the loop control variable. (T/F) |
True |
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When one loop appears inside another is called an indented loop. (T/F) |
False |
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Forgetting to initialize and alter the loop control variable is a common mistake that programmers sometimes make. (T/F) |
True |
|
Every high-level computer programming language contains a while statement. (T/F) |
True |
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Both the while loop and the for loop are examples of pretest loops. (T/F) |
True |
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The safest action is to assign the value 1 to accumulators before using them. (T/F) |
False |
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It is the programmer’s responsibility to initialize all variables that must start with a specific value. (T/F) |
True |
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The first step in a while loop is typically to _______. |
Initialize the loop control variable |
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Once your logic enters the body of a structured loop, _______. |
The entire loop must execute |
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The last step in a while loop is usually to ____. |
Increment the loop control variable |
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A(n) _____ loop executes a predetermined number of times. |
Definite |
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Many loop control variable values are altered by ______________, or adding to them. |
Incrementing |
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An _____ is any numeric variable you use to count the number of times an event has occurred. |
Counter |
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A loop within another loop is known as an _________ loop. |
Nested |
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When one loop appears inside another, the loop that contains the other loop is called the _____ loop. |
Outer |
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Usually, when you create nested loops, each loop has it’s own _________________. |
Loop control variable |
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A mistake programmers often make with loops is that they _______. |
Include statements inside the loop that belong outside the loop |
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A mistake programmers often make with loops is that they _______________. |
Neglect to initialize the loop control variable prior to entering the loop body |
|
A comparison is correct only when the correct ______ and operator are used. |
Operands |
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Programmers use the term ________ to describe programs that are well designed and easy to understand the maintain. |
Elegant |
|
You usually use the for loop with ________ loops. |
Definite |
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The ________ loop provides three actions in one compact statement. |
For |
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The amount by which a for loop control variable changes is often called a ___________ value. |
Step |
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In a ________, the loop body might never execute because the question controlling the loop might be false the first time it is asked. |
Pretest loop |
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In a _________, the loop body executes at least one time because the loop control variable is not tested until after one iteration. |
Posttest loop |
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The ____ loop is particularly useful when processing arrays. |
For |
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An _____ is a very similar to a counter that you use to count loop iterations, expect that usually add a value other than one to this type of variable. |
Accumulator |
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_______ is a technique with which you try to prepare for all possible errors before they occur. |
Defensive programming |
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Business reports that list only totals, with no individual items= details, are called __________. |
Detail Reports |
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Loops are frequently used to ______; that is, to make sure it is meaningful and useful. |
Validate data |
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Programmers employ the acronym __________ to mean that if your input is incorrect, your output is worthless. |
GIGO |
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__________ a data item means you override incorrect data by setting the variable to specific value. |
Forcing |
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