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13 Cards in this Set
- Front
- Back
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(56) What two things are defined by variable scopes?
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1. How long the variable exists in memory<br/>2. Which parts of the program have access to the variable
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(56) What are the three basic scoping rules in C programming?
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1. Local<br/>2. Global<br/>3. Static
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(56) Which variables are declared within a specific block of code, usually a function?
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Local variables
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(56) Where are local variables stored with regard to memory?
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On the program stack
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(56) With regard to memory, how long do local variables occupy memory?
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They only exist while the function the variables belong to is running
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(56) Are local variables accessible and modifiable to any function in a program?
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No. they are only accessible and modifiable to the function that created them
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(59) Which variables are declared outside of any function?
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Global variables
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(59) Are global variables accessible and modifiable to any function in a program?
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Yes
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(59) With regard to memory, how long do global variables occupy memory?
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They exist in memory for the life of the program
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(62) Which variables represent a special blend of variables that are declared within a function and also exist throughout the life of a program?
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Static variables
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(62) What must happen when declaring a static variable that differs from all other variable declarations?
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The keyword<i>static</i> must be used
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(65) What are the means of providing functions with the external data needed to complete their tasks?
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Function arguments
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(65) Where are the data types of function arguments defined?
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In the function definition
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