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12 Cards in this Set
- Front
- Back
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variable parameters
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the word var must always appear before each list of these
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input parameter
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a parameter is called this when info is to be passed into a procedure , and the formal parameter representing the info is a value parameter
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output parameter
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a parameter is called this when infor is to be returned to the calling program for a procedure and the formal parameter representing the info is a variable parameter
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input/output parameter
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a parameter is a called this when info is to be passed into a procedure perhaps modified, and a new value returned, then the formal parameter representing the info must be a variable parameter
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actual parameter list
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parenthezied list of variables (or values) passed to the procedure; follows the prcedure name in the prcedure call
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procedure call statement
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has 2 parts: a prcedure name and a actual parameter list
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formal parameter list
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paranthezied list of dummy names (with data types) used in the prcedure to represent actual parameters; follows the procedure name in the procedure heading; also includes and indicates the data type of the parameters (either interger or real or something)
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local variables
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variables declared in a prcedure, not in the main program
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precondition
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condtion assumed to be rue before a prcedure or function call
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postcondition
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condition assumed to be true after a prodcedure or function call
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value parameter
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a type of formal parameter that recieves info passed into a procedure
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variable parameter
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a type of formal parameter that returns a procedure result
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