GATE | GATE CS 1996 | Question 67

Consider the following program in pseudo-pascal syntax. What is printed by the program if parameter in procedure test1 is passed as

i) call-by-reference parameter
ii) call-by-value-result parameter

program Example (input, output)
var b: integer;
procedure test2:
begin b:=10; end
procedure test1 (a:integer):
begin     a:=5;
        writeln ('point 1: ', a, b);
        writeln ('point 2: ', a, b);
begin (*Example*)
b:=3; test1(b);
writeln('point3: ', b);



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