GATE CSE 1989 | GATE CSE Year Wise Previous Years Questions

GATE CSE 1989

MCQ (Single Correct Answer)

-0.6

In which of the following cases it is possible to obtain different results for call-by-reference and call-by-name parameter passing?

Passing an expression as a parameter

Passing an array as a parameter

Passing a pointer as a parameter

Passing an array element as a parameter

GATE CSE 1989

MCQ (Single Correct Answer)

-0.6

An unrestricted use of the "goto" statement is harmful because of which of the following reason(s):

it makes it more difficult to verify programs

it makes programs more inefficient

it makes it more difficult to modify existing programs

it results in the compiler generating longer machine code

GATE CSE 1989

Subjective

-0

How many substrings (of all lengths inclusive ) can be formed from a character string of length $$n$$? Assume all characters to be distinct. Prove your answer.