Top 550+ Solved Operating System (OS) MCQ Questions Answer

a. banker’s algorithm

b. round-robin algorithm

c. elevator algorithm

d. karn’s algorithm

a. in advance processes rarely know that how much resource they will need

b. the number of processes changes as time progresses

c. resource once available can disappear

d. all of the mentioned

a. there must be a fixed number of resources to allocate

b. resource allocation must be done only once

c. all deadlocked processes must be aborted

d. inversion technique can be used

a. then a deadlock does not exist

b. then a deadlock exists

c. then the system is in a safe state

d. either deadlock exists or system is in a safe state

a. deadlocks

b. not deadlocks

c. fatal

d. none of the mentioned

a. frames

b. pages

c. backing store

d. none of the mentioned

a. frames

b. pages

c. backing store

d. none of the mentioned

a. frame bit

b. page number

c. page offset

d. frame offset

a. Paging

b. Demand paging

c. Segmentation

d. Swapping

a. to pair preemptive scheduling between multiple processes

b. for tasks where absolute priorities are more important than fairness

c. all of the mentioned

d. none of the mentioned

a. linux 0.1

b. linux 1.0

c. linux 1.2

d. linux 2.0

a. ext2

b. ext3

c. ext4

d. none of the mentioned

a. out

b. elf

c. both a.out and ELF

d. none of the mentioned

a. GRUB

b. LILO

c. NTLDR

d. None of the mentioned

a. init process

b. zombie process

c. batch process

d. boot process