43. Consider the following program segment integer x; procedure Q(z: integer) begin

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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43. Consider the following program segment
integer x;
procedure Q(z: integer)
begin
Z = z+x;
Print (z);
end
procedure P(y: integer)
x: integer
begin
x = y+2;
Q(x);
Print (x);
end;
begin {main}
x=5;
P(x);
print(x);
end
What is the output of the program with call by
reference parameter passing & dynamic
scoping rule?
Transcribed Image Text:43. Consider the following program segment integer x; procedure Q(z: integer) begin Z = z+x; Print (z); end procedure P(y: integer) x: integer begin x = y+2; Q(x); Print (x); end; begin {main} x=5; P(x); print(x); end What is the output of the program with call by reference parameter passing & dynamic scoping rule?
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