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31 Cards in this Set
- Front
- Back
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loop |
Structures that allow repeated execution of a block of statements |
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loop body |
The block of statements that executes when the Boolean expression that controls the loop is true |
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iteration |
one loop execution |
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while loop |
execute a body of statements continually as long as the Boolean expression that controls the entry into the loop continues to be true |
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definite loop / counted loop / counter-controlled loop |
loop that executes a specific number or tines |
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indefinite loop / event-controlled loop |
the number of loops is unknown |
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loop control value |
variable whose value determines whether loop execution continues |
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empty body |
Block with no statements in it |
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infinite loop |
Loop that never ends |
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incrementing |
Variable adds 1 to its value |
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Decrementing |
Variable reduces its value by 1 |
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Validating data |
Process of ensuring that a value falls within a specified range |
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Priming read / priming input |
First input statement prior to a loop that will execute subsequent input statements for the same variable |
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Counting |
Process of continually incrementing a variable to keep track of the number of occurrences of some event |
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Accumulating |
Process of repeated the increasing the value by some amount to produce a total |
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add and assign operator |
(+ =) alters the value of the operand on the left by subtracting the operand on the right from it |
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subtract and assign operator |
(- =) alters the value of the operand in the left by subtracting the operand on the right from it |
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multiply and assign operator |
(* =) alters the value of the operand on the left by multiplying the operand on the right from it |
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divide and assign operator |
(/ =) alters the value of the operand on the left by dividing the operand on the right into it |
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Remainder and assign operator |
(% =) alters the value of the operand in the left by assigning the remainder when the left operand is divided by the right operand |
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Prefix ++ Prefix increment operator |
Adds 1 to a variable, then evaluates it |
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Postfix ++ Postfix increment operator |
Evaluates a variable, then adds 1 to it |
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prefix and postfix decrement operators |
Subtract 1 from a variable |
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for loop |
Special loop that can be used when a definite number of loop iterations is required |
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Pretest loop |
One in which the loop control variable is tested before the loop body executes |
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do...while loop |
Executes a loop body at least one time; it checks the loop control variable at the bottom of the loop after one repetition has occured |
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Posttest loop |
One in which the loop control variable is tested after the loop body executes |
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Inner loop |
Contained entirely within another loop |
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Outer loop |
Contains another loop |
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Do-nothing loop |
One that performs no actions other than looping |
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Loop fusion |
Technique of combining two loops into one |
