Top 550+ Solved Operating System Architecture MCQ Questions Answer

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Q. Which command is used to terminate the process?

a. wait

b. sleep

c. kill

d. none

  • c. kill

Q. Which commaand is use for the copy in unix?

a. copy

b. cp

c. cpy

d. none

  • b. cp

Q. What is stand for IPC?

a. inter procedure communication

b. inter process communication

c. inter part compare

d. none

  • b. inter process communication

Q. Which one is best in action between fork() and vfork()?

a. fork()

b. vfork()

c. both

d. none

  • b. vfork()

Q. fork system call…..

a. control the size of memory allocated to a process

b. create a new process

c. overlay image of a program onto the running process

d. finish executing a process

  • b. create a new process

Q. exec system call……..

a. create a new process

b. finish executing a process

c. control the size of memory allocated to a process

d. overlay image of a program onto the running process

  • d. overlay image of a program onto the running process

Q. wait system call…………

a. finish executing a process

b. control the size of memory allocated to a process

c. synchronize process execution with exit of previously forked process

d. overlay image of a program onto the running process

  • c. synchronize process execution with exit of previously forked process

Q. brk system call…………

a. synchronize process execution with exit of previously forked process

b. control the size of memory allocated to a process

c. finish executing a process

d. overlay image of a program onto the running process

  • b. control the size of memory allocated to a process

Q. signal system call…………

a. control process response to extraordinary events

b. control the size of memory allocated to a process

c. synchronize process execution with exit of previously forked process

d. overlay image of a program onto the running process

  • a. control process response to extraordinary events

Q. Two policies for managing memory are……………

a. swaping and demand paging

b. semaphore and deadlock

c. scheduling and wait

d. none

  • a. swaping and demand paging

Q. Schedular module allocate …..

a. processes to cpu

b. cpu to processes

c. processes to kernel

d. none

  • b. cpu to processes

Q. The file subsystem accesses file data using a buffering mechanism that regulates ….

a. data flow between the kernel and secondary storage devices.

b. data flow between secondary storage devices to kernel

c. data flow of kernel

d. none

  • a. data flow between the kernel and secondary storage devices.

Q. The internal representation of a file is given by ……..

a. an inode

b. semaphore

c. pipes

d. none

  • a. an inode

Q. Every file in unix has …..

a. two inode

b. one inode

c. no inode

d. none

  • b. one inode

Q. inode name is also called……

a. file

b. link

c. file

d. file descriptors

  • b. link
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