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Cpu Tech Essay

873 words - 4 pages

Chapter 6 |

Question 1 | | 1 / 1 point |
A loop controlled by the user is a type of ____ loop.
Question options:
| indefinite |
| definite |
| counter-controlled |
| incrementing |
Question 2 | | 1 / 1 point |
You use a unary minus sign preceding a value to make the value ____.
Question options:
| negative |
| positive |
| valid |
| constant |
Question 3 | | 1 / 1 point |
Before entering a loop, the first input, or ____, is retrieved.
Question options:
| empty body |
| posttest loop |
| loop body |
Question 4 | | 0 / 1 point |
Which is an infinite loop?
Question options:
| loopCount = 5;
while(loopCount > 3);
...view middle of the document...

Question options:
| power statement |
| accumulating operator |
| binary operators |
| prefix increment operator |
Question 10 | | 1 / 1 point |
A for loop provides a convenient way to create a(n) ____ loop.
Question options:
| counter-controlled |
| posttest |
| while |
| infinite |
Question 11 | | 1 / 1 point |
Programmers rarely use indefinite loops when validating input data.
Question options:
| True |
| False |
Question 12 | | 1 / 1 point |
Many seasoned programmers start counter values at 1 because they are used to doing so when working with arrays.
Question options:
| True |
| False |
Question 13 | | 1 / 1 point |
A statement that will alter the value of the loop control variable is included in the body of a loop.
Question options:
| True |
| False |
Question 14 | | 1 / 1 point |
Shortcut operators are a programmer’s only choice when incrementing or accumulating a variable’s value.
Question options:
| True |
| False |
Question 15 | | 1 / 1 point |
The statements that make up a loop body will continue to execute as long as the expression value remains false.
Question options:
| True |
| False |
Chapter 6 |

Question 1 | | 1 / 1 point |
In order to improve loop performance, it’s important to make sure the loop does not include unnecessary operations or statements.
Question options:
| True |
| False |
Question 2 | | 1 / 1 point |
When nesting loops, the variable in the outer loop changes more frequently.
Question options:
| True |
| False |
Question 3 | | 1 / 1 point |
How many times will outputLabel be called?
for(customer = 1; customer <= 20; ++customer)
for(color = 1; color <= 3; ++color)
outputLabel();
Question options:
| 0 |
| 3 |
| 20 |
| 60 |
Question 4 | | 1 / 1 point |
Which of the following is NOT a valid method to increase a variable named score by 1?
Question options:
| ++score |
| score++ |
| ++score = score + 1 |
| score = score + 1 |
Question 5 | | 1 / 1 point |
On many keyboards,...

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