Important Abbreviations Questions and Answers

Answer: C

Correct answer: Disk Operating System

DOS is Disk Operating System - the name given to early operating systems because managing the disk was their principal job.

Answer: D

Correct answer: Open System Interconnection

OSI is Open Systems Interconnection, the seven-layer reference model against which network functions are described.

Answer: C

Correct answer: Compact Disc

CD is Compact Disc - the optical disc introduced for audio in 1982 and adapted for data as CD-ROM.

Answer: A

Correct answer: Hard Disk Drive

HDD is Hard Disk Drive: rigid magnetic platters spinning inside a sealed unit, as against the solid-state drive that has largely replaced it.

Answer: D

Correct answer: All of the above

AAA is used for all three: the American Automobile Association, anti-aircraft artillery, and in networking the trio of authentication, authorization and accounting.

Answer: B

Correct answer: Internet Protocol

IP is the Internet Protocol, which addresses packets and routes them between networks.

Answer: D

Correct answer: National Thermal Power Corporation

NTPC is India's largest power generating company, formed in 1975.

Answer: D

Correct answer: Liquid Crystal Display

An LCD is a Liquid Crystal Display: a layer of liquid crystal twists polarised light to make each pixel light or dark.

Answer: B

Correct answer: American National Standards Institute

ANSI coordinates voluntary standards in the United States and represents it at the ISO.

Answer: B

Correct answer: Central Processing Unit

The CPU is the Central Processing Unit - the control unit and arithmetic logic unit together, which fetch and execute the instructions.