GATE CSE 1997 | File System IO and Protection Question 28 | Operating Systems

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
$$\,\,\,\,\,$$ List - $${\rm I}$$
(a) $$DMA$$ $$\,\,$$ $${\rm I}/O$$
(b) Cache
(c) Interrupt $${\rm I}/O$$
(d) Condition Code Register

$$\,\,\,\,\,$$ List - $${\rm II}$$
(1) High speed $$RAM$$
(2) Disk
(3) Printer
(4) $$ALU$$

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

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

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

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

GATE CSE 1997

MCQ (Single Correct Answer)

-0.3

When an interrupt occurs, an Operating System

Ignore the interrupt

Always changes state of interrupted process after processing the interrupt

Always resumes execution of interrupted process after processing the interrupt

May change state of interrupted processes to ''blocked'' and schedule another process.

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) $$FIFO$$

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

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

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

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