1. In the running state 

A . only the process which has control of the processor is found

B . all the processes waiting for I/O to be completed are found

C . all the processes waiting for the processor are found

D . none of the above

Answer

2. Process State is a part of 

A . Process Control block

B . Inode

C . File Allocation Table

D . None of the above

Answer

3. The kernel keeps track of the state of each task by using a data structure called __ 

A . Process control block

B . User control block

C . Memory control block

D . None of the above

Answer

4. _________ does the job of allocating a process to the processor. 

A . Long term scheduler

B . Short term scheduler

C . Medium term scheduler

D . Dispatcher

Answer

5. In the multi-programming environment, the main memory consisting of _________ number of process. 

A . Greater than 100

B . Only one

C . Greater than 50

D . More than one

Answer

6. A thread is a __________ process . 

A . Heavy Weight

B . Mutliprocess

C . Inter Thread

D . Light wieght

Answer

7. CPU Scheduling is the basis of _________ operating system 

A . Batch

B . Real time

C . Multiprogramming

D . Monoprogramming

Answer

8. A major problem with priority scheduling is _________. 

A . Definite blocking

B . Starvation

C . Low priority

D . None of the above

Answer

9. ________ scheduler selects the jobs from the pool of jobs and loads into the ready queue. 

A . Long term

B . Short term

C . Medium term

D . None of the above

Answer

10. Saving the state of the old process and loading the saved state of the new process is called ________. 

A . Context Switch

B . State

C . Multi programming

D . None of the above

Answer

11. A thread 

A . is a lightweight process where the context switching is low

B . is a lightweight process where the context swithching is high

C . is used to speed up paging

D . none of the above

Answer

12. Using Priority Scheduling algorithm, find the average waiting time for the following set of processes given with their priorities in the order: Process : Burst Time : Priority respectively . P1 : 10 : 3 , P2 : 1 : 1 , P3 : 2 : 4 , P4 : 1 : 5 , P5 : 5 : 2. 

A . 8 milliseconds

B . 8.2 milliseconds

C . 7.75 milliseconds

D . 3 milliseconds

Answer

13. The Purpose of Co-operating Process is __________. 

A . Information Sharing

B . Convenience

C . Computation Speed-Up

D . All of the above

Answer

14. The kernel of the operating system remains in the primary memory because ________. 

A . It is mostly called (used)

B . It manages all interrupt calls

C . It controls all operations in process

D . It is low level

Answer

15. Multiprogramming systems ________. 

A . Are easier to develop than single programming systems

B . Execute each job faster

C . Execute more jobs in the same time

D . Are used only on large main frame computers

Answer

16. The process is in--------------- state when it is being created

A . Ready

B . new

C . running

D . waiting

Answer

17. -------time is the sum of the periods spend waiting in the ready queue

A . waiting

B . turnaround

C . response

D . burst

Answer

18. FCFS is-------------scheduling algorithm

A . preemptive

B . non-preemptive

C . priority

D . none

Answer

19. Which of the following system call is used for replicating a process?

A . fork

B . exec

C . wait

D . _exit

Answer

20. Which of the following system call is more powerful (in waiting mechanism) than wait system call?

A . waitp

B . waitpid

C . kill

D . run

Answer

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☞ Operating Systems -Unit-2 Objective Type Questions - [ Operating Systems ]

☞ Operating Systems -Unit-3 Objective Type Questions - [ Operating Systems ]

☞ Operating Systems -Unit-4 Objective Type Questions - [ Operating Systems ]

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