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5 Cards in this Set
- Front
- Back
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what 3 things can a cpu do |
1. move data 2. arithmetic and logic operations 3. control the flow of instructions |
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value model of varables |
a := 2 leftside: memory location rightside: value |
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reference model of variables |
a := new Point variables on both sides |
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why do we use iteration constructs instead of goto (2 reasons) |
reduce the complexity of the program and make it easier to read |
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two issues when designing iteration constructs
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1. if loop body modifies index inappropiately 2. if loop body modifies variable that determine the bounds 3. enter and leaving loop other than way provided 4. uses index after loop completes |
