Top 150+ Solved Advanced Operating System MCQ Questions Answer

From 106 to 115 of 115

Q. In the Many to Many model true concurrency cannot be gained because :

a. the kernel can schedule only one thread at a time

b. there are too many threads to handle

c. it is hard to map threads with each other

d. none of these

  • a. the kernel can schedule only one thread at a time

Q. In the Many to Many model when a thread performs a blocking system call :

a. other threads are strictly prohibited from running

b. other threads are allowed to run

c. other threads only from other processes are allowed to run

d. none of these

  • b. other threads are allowed to run

Q. before a disk can store data is known as : (choose all that apply)

a. partitioning

b. swap space creation

c. low-level formatting

d. physical formatting

  • d. physical formatting

Q. The data structue for a sector typically contains : (choose all that apply)

a. header

b. data area

c. trailer

d. main section

  • c. trailer

Q. The header and trailer of a sector contain information used by the disk controller such as _________ and _________.

a. main section

b. error correcting codes (ecc)

c. sector number

d. disk identifier

  • c. sector number

Q. The two steps the operating system takes to use a disk to hold its files are _______ and ________.

a. partitioning

b. swap space creation

c. caching

d. logical formatting

  • d. logical formatting

Q. and then starts the operating system.

a. main

b. bootloader

c. bootstrap

d. rom

  • c. bootstrap

Q. For most computers, the bootstrap is stored in ____.

a. ram

b. rom

c. cache

d. tertiary storage

  • b. rom

Q. A disk that has a boot partition is called a _________. (choose all that apply)

a. start disk

b. system disk

c. boot disk

d. all of these

  • c. boot disk

Q. Defective sectors on disks are often known as __________.

a. good blocks

b. destroyed blocks

c. bad blocks

d. none of these

  • c. bad blocks
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