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nan_ishan
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Joined: 15 Apr 2009
Posts: 3
Location: Pune
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What is the scope of LDA, PDA and GDA?
In which memory does it reside? |
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Ralph Zbrog
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Joined: 21 Nov 2009
Posts: 58
Location: California
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LDA - programming object in which it is located
PDA - caller and callee
GDA - all programs and external subroutines in which it is defined
- a subprogram and all external subroutines it performs
- NOTE: a program's GDA is not available to any subprogram. Even if it has the same name and field definitions, a subprogram's GDA is a separate instance from the program's GDA. (Individual elements of a program's GDA may be passed to a subprogram in a parameter list.) |
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