Important Abbreviations Questions and Answers

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.

Answer: B

Correct answer: Cathode Ray Tube

A CRT is a Cathode Ray Tube: an electron beam is swept across a phosphor screen to draw the picture. It was the display technology before LCDs.

Answer: C

Correct answer: Domain Name System

DNS is the Domain Name System, the distributed directory that turns a name such as example.com into the IP address a packet needs.

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: Digital Subscriber Line

DSL is Digital Subscriber Line: digital data carried over the same copper pair as the telephone, at frequencies above the voice band.

Answer: B

Correct answer: .pl

Perl scripts take .pl; .pm is a Perl module and .ps belongs to PostScript.

Answer: C

Correct answer: Digital Video Disc

DVD was named Digital Video Disc and later, once it was used for data as well, Digital Versatile Disc. It holds about seven times as much as a CD.

Answer: B

Correct answer: File Transfer Protocol

FTP is the File Transfer Protocol, used to move files between hosts and to log in to a file server.

Answer: D

Correct answer: Graphics Interchange Format

GIF is Graphics Interchange Format. The first word is the noun Graphics, which is what separates it from the plausible-looking Graphical alternatives.

Answer: D

Correct answer: High Definition

HD means High Definition - a picture with substantially more lines than the older standard-definition formats.