Computer Fundamentals Questions and Answers

Answer: B

Correct answer: Casio

Firefox, Chrome and Opera are web browsers. Casio is a Japanese manufacturer of watches, calculators and keyboards, and makes no browser.

Answer: C

Correct answer: RAM

RAM is volatile: it holds its contents only while power is applied, and everything in it is lost the moment the machine is switched off - which is why work must be saved to disk. ROM, a hard disk and a CD-ROM all retain their contents without power.

Answer: C

Correct answer: Database

SQL - Structured Query Language - is the standard language of relational databases, used to create tables, and to insert, update, delete and query the rows they hold. It has nothing to do with network types or image editing.

Answer: A

Correct answer: Local Area Network

LAN stands for Local Area Network - computers linked over a small area such as one office or building, typically by Ethernet or Wi-Fi, giving high speed and low delay. A network spanning cities or countries is a WAN.

Answer: B

Correct answer: Bug

A Trojan, a virus and a worm are all malicious programs, written deliberately to do harm. A bug is an unintentional mistake in a program - a defect, not an attack - so it is the odd one out.

Answer: C

Correct answer: Linus Torvalds

Linus Torvalds, then a student in Helsinki, wrote the Linux kernel and announced it in 1991, releasing it under the GNU General Public License so that anyone could use and improve it. Dennis Ritchie created C and co-created Unix; Steve Jobs co-founded Apple.

Answer: A

Correct answer: Rubber Wheel

Inkjet, dot-matrix and laser are printer technologies - spraying ink, striking pins through a ribbon, and fusing toner with heat. There is no printer type called a rubber wheel; the wheel-based printer was the daisy-wheel.

Answer: B

Correct answer: World Wide Web

WWW stands for the World Wide Web - the system of hyperlinked documents that Tim Berners-Lee proposed in 1989, delivered over the internet by HTTP and addressed by URLs. The web is one service that runs on the internet, not the internet itself.

Answer: A

Correct answer: Oracle

Oracle makes the relational database management system of the same name and is the best-known company in that field. Intel and Motorola are semiconductor manufacturers and Asus makes computer hardware.

Answer: D

Correct answer: Universal Serial Bus

USB stands for Universal Serial Bus: universal because one connector serves keyboards, storage, cameras and much else, and serial because the data travels one bit at a time along a differential pair. It also supplies power to the attached device.