Operating Systems MCQ Set 7

1. The different types of tables maintained by the operating system are .............

A) memory, logical , I/O file

B) memory, I/O, file, physical

C) memory, I/O, file, process

D) memory, logical, I/O, physical

2. Which of the following information not included in memory table?

A) The allocation of main memory to process.

B) The allocation of secondary memory to process

C) Any information needed to manage virtual memory

D) Any information about the existence of file

3. Process Management function of an operating system kernel includes.

A) Process creation and termination.

B) Process scheduling and dispatching

C) Process switching

D) All of the above

4. The typical elements of process image are .....................

i) User data         ii) System Data                  iii) User program              iv) System stack

A) i, iii and iv only

B) i, ii,  and iv only

C) ii, iii, and iv only

D) All i, ii, iii, and iv

5. Match the following mechanisms for interrupting the execution of a process and their uses.

i) Interrupt                                                                         a) Call to an operating system function

ii) Trap                                                                              b) Reaction to an asynchronous external event

iii) Supervisor Call                                                             c) Handling of a error or an exception condition

A) i-a, ii-b, iii-c

B) i-c, ii-a, iii-b

C) i-b, ii-c, iii-a

D) i-a, ii-c, iii-b

6. The ............... policy restricts scanning to one direction only.

A) SCAN

B) C-SCAN

C) N-Step SCAN

D) Both A and B

7. ............... policy selects the disk I/O request that requires the least movement of the disk arm from its current position.

A) FSCAN

B) SSTF

C) SCAN

D) C-SCAN

8. .................. refers to the ability of an operating system to support multiple threads of execution with a single process.

A) Multithreading

B) Multiprocessing

C) Multiexecuting

D) Bi-threading

 9. State whether the following statement is true.

i) It takes less time to terminate a thread than a process.

ii) Threads enhance efficiency in communication between different executing programs.

A) i-True, ii-False

B) i-True, ii-True

C) i-False, ii-True

D) i-False, ii-False

10. ............ is a special type of programming language used to provide instructions to the monitor simple batch processing schema.

A) Job control language (JCL)

B) Processing control language (PCL)

C) Batch control language (BCL)

D) Monitor control language (MCL)

Answers

1.c

2.d

3.d

4.a

5.c

6.b

7.b

8.a

9.b

10.a