GATE | GATE CS 1999 | Question 63

[5 Marks question]

What will be the output of the following program assuming that parameter passing is

(i) call by value

(ii) call by reference

(iii) call by copy restore

procedure P{x, y, z};
    begin y:y+1; z: x+x end; 
begin
    a:= b:= 3;
    P(a+b, a, a);
    Print(a) 
end.

Answer:

Explanation:

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