BSNL TTA EXAM Questions for comp.science

Q. Odd one out—

(a) IR (b) SP

(c) PSW (d) general purpose registers

Ans- (d)

Q. Which is the fastest memory operation?

(a) RAM (b) ROM

(c) Cache (d) Register

Ans: - (d).

Q. The intermediate memory between processor and main memory:-

(a) Cache memory (b) secondary memory.

(c) Primary memory (d) Register

Ans: - (a).

Q. An operating System can be defined as

(a) A collection of programs to manage computer.

(b) A resource manager.

(c) An interface between users and hardware.

(d) all

Ans: - (d).

Q. Which one is user interactive:-

(a) Time-sharing operating System.

(b) Batched programming OS

(c) Multitasking OS

(d) Single programmed OS.

Ans: - (a)

Q. Which provides an interface to the operating system for the user?

(a) Kernel (b) Shell

(c) GUI (d) CLI

Ans: - (b)

Q. In robotics which operating system is used:-

(a) Distributed OS

(b) Multi programming OS

(c) Real-time OS

(d) Time-Sharing OS.

Ans-(c)

Q. Main functions of a distributed system is

(a) Resource sharing

(b) Reliability.

(c) Communication.

(d) All

Ans: (d).

Q. Operating System OS/2 is developed by—

(a) Microsoft (b) IBM

(c) Bell laboratories.

(d) Sun

Ans: - (b)

Q. which of the following is software is used to simplify using of system software:-

(a) Batched OS

(b) Parallel system

(c) Multiprogramming environment.

(d) Time-sharing system.

Ans: - (d)

Q. special software to create a job queue—

(a) Local Driver (b) loader

(c) Spooler (d) thrashing

Ans: - (c).

Q. A computer cannot “boot” if it does not have:

(a) Operating System.

(b) Compiler (c) Loader

(d) Assembler.

Ans: - (c) Loader.

**Q. real-time system are used for-

(a) Make the system performance to coupled with real situation

(b) Used for program development.

(c) Use for real time interactive users.

(d) Used for controlling the events when they occur.

Ans:- (d)

Q. The primary purpose of an operating system is

(a) To make computer easier.

(b) To make most efficient use of computer hardware.

(c) To keep system resources busy.

(d) To allow people to use computer.

Ans: (b).

**Q. Which service is not provided by Operating system?

(a) Accounting (b) Error control

(c) Command Interpreter (d) Device management.

Ans: - (b)

Q. Multiprocessor is meant for

(a) Increasing throughput.

(b) Reliability

(c) Less costly.

(d) Above all.

Ans: - (d)

Q. Formatting of a floppy disk indicates?

(a) Erasing the system data

(b) Writing in directory.

(c) Arranging data in system.

(d) Writing identification information on all tracks and sector.

Ans :- (d).