GATE CSE 1987 | GATE CSE Year Wise Previous Years Questions

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GATE CSE 1987

MCQ (Single Correct Answer)

-0.6

If a, b and c are constants, which of the following is a linear inequality?

ax + bcy = 0

$$a{x^2}\, + \,c{y^2} = 21$$

$$abx\, + \,{a^2}y\, \ge \,15$$

$$xy\, + \,ax\,\, \ge \,20$$

GATE CSE 1987

MCQ (Single Correct Answer)

-0.6

A critical region is:

One which is enclosed by a pair of P and V operations on semaphores

A program segment that has not been proved bug-free

A program segment that often causes unexpected system crashes

A program segment where shared resources are accessed

GATE CSE 1987

MCQ (Single Correct Answer)

-0.6

On receiving an interrupt from an $${\rm I}/O$$ device the $$CPU$$:

halts for predetermined time.

hands over control of address bus and data bus to the interrupting device.

Branches off to the interrupt service routine immediately.

Branches off to the interrupt service routine after completion of the current instruction.

GATE CSE 1987

Subjective

-0

Give the regular expression over $${\left\{ {0,\,\,1} \right\}}$$ to denote the set of proper non-null substrings of the string $$0110$$.

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