Operating Systems MCQ Set 4

1. Operating System means ........................

A) a set of programs which controls computer working.

B) a way of computer drives works
C) a set of devices and programs
D) All of the above

2. The basic types of OS are ...................

A) batch and time sharing
B) sequential and real time
C) direct and interactive
D) batch and interactive



3. The simplest way of deadlock is to ...

A) preempt a resource
B) rollback
C) kill one of the processes
D) lock one of the processes



4. Throughput of a system is

A) Number of programs processed by it per unit time
B) Number of times the program is invoked by the system
C) Number of requests made to a program by the system
D) None of the above



5. Which of the following is not OS layer?

A) Kernel
B) Shell
C) Application Programs
D) Critical Section

6. A small program which loads OS into the memory is called as ...........

A) ROM
B) bootstrap loader
C) BIOS
D) RAM


7. Virtual memory is ..............

A) Simple to implement
B) Used by all major commercial OS
C) Less efficient memory utilization
D) Less effective

8. A special purpose register that is set to the highest address occupied by the OS code is ...........

A) fence register
B) general purpose register
C) protection register
D) control register


9. As OS program module that selects the next job to be admitted for execution is called as .....

A) scheduler
B) compiler
C) throughput
D) dispatcher


10. Multi programming 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

Answers

1.a

2.d

3.c

4.a

5.d

6.b

7.b

8.a

9.a

10.c