GATE CSE 1998 | File System IO and Protection Question 27 | Operating Systems

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GATE CSE 1998

MCQ (Single Correct Answer)

-0.3

Which of the following devices should get higher priority in assigning interrupts?

Hard disk

printer

Keyboard

Floppy disk

GATE CSE 1998

MCQ (Single Correct Answer)

-0.3

Which of the following is true?

Unless enabled, a $$CPU$$ will not be able to process interrupts.

Loop instructions cannot be interrupted till they complete.

A processor checks for interrupts before executing a new instruction.

Only level triggered interrupts are possible on microprocessors.

GATE CSE 1997

MCQ (Single Correct Answer)

-0.3

$$I/O$$ redirection

Implies changing the name of a file

Can be employed to use an existing file as input file for a program

Implies connection $$2$$ programs through a pipe

None of the above

GATE CSE 1997

MCQ (Single Correct Answer)

-0.3

The correct matching for the following pairs is

(a) Disk scheduling $$\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,$$(1) Round robin
(b) Batch processing $$\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,$$ (2) $$SCAN$$
(c) Time sharing $$\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,$$ (3) $$LIFO$$
(d) Interrupt processing $$\,\,\,\,\,\,\,\,\,\,\,$$(4) $$FIFO$$

$$a - 3,\,\,b - 4,\,\,c - 2,\,\,d - 1$$

$$a - 4,\,\,b - 3,\,\,c - 2,\,\,d - 1$$

$$a - 2,\,\,b - 4,\,\,c - 1,\,\,d - 3$$

$$a - 3,\,\,b - 4,\,\,c - 3,\,\,d - 2$$

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