GATE 2024 compiler design Rank Booster Quiz 16

The task of the lexical analysis phase is ________.

Which of the following statements is False?

1. Lexical Analysis is specified by regular expressions.
2. Syntax analysis implemented by transition diagram.
3. In lexical analysis, two pointers to the input buffer are maintained

Linear analysis is also ________  or scanning.

Find the number of tokens in the following C code using lexical analyzer of compiler.

main ()

{

/* int a = 10; */

int *u, *v, s;

u = &s;

v = &s;

printf(“%d%d”, s, * u);

//code ended

}

When the lexical analysis parses the following Code the number of tokens generated are?

int main()

{

int sum=a+b;

return sum;

}

Consider the following statements:

S1: A compiler performs code optimisation, a pre-processor does not.

S2: A compiler performs full syntactic and semantic analysis, a pre-processor does not.

which of the following statements is correct?