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A correct answer

Access link (static link) : refers to non local data held in other activation record

Control link (dynamic link) : point to activation record of caller.
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@Ram Swaroop

explain why??

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Activation record has following fields:

Actual Data

Return address

Local Variables

Temporary variables

Non-Local variables(access link)

address of calling function (control link)

Machine status

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I read somewhere that accesslink of a procedure stores the value of function where it actually resides.
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Access links resides on activation record! as far as i am concerned :D

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