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BARC CS 2018 Nuclear Quiz -2 (CD)
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Question 1
In a two-pass assembler, symbol table is
Question 2
Consider the following expression of C program.
abcd + ( 2 - 5 += 6/2--;
How many tokens are generated by the above expression during lexical analysis?
Question 3
Consider the following grammar
E → E(E) E | ∈
Which one of the following is true?
1) The grammar is ambiguous
2) The grammar is unambiguous
3) The grammar will generate all strings having balanced parenthesis
E → E(E) E | ∈
Which one of the following is true?
1) The grammar is ambiguous
2) The grammar is unambiguous
3) The grammar will generate all strings having balanced parenthesis
Question 4
Identify the “call tree” for the following program.
Procedure main();
Procedure P1(a: integer)
begin
if(a<>0) then
begin
P1(a-1);
P2(a);
end
end;
Procedure P2(b: integer)
begin
if(b<>0) then
P2(b-1);
end
end;
begin
P1(1);
P2(1);
end;
Procedure main();
Procedure P1(a: integer)
begin
if(a<>0) then
begin
P1(a-1);
P2(a);
end
end;
Procedure P2(b: integer)
begin
if(b<>0) then
P2(b-1);
end
end;
begin
P1(1);
P2(1);
end;
Question 5
In a bottom up evaluation of a syntax directed definition, inherited attributes can
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Sep 26GATE & PSU CS
