Technology Questions and Answers

Answer: B

ANSI stands for American National Standards Institute.

It coordinates voluntary standards in the United States and represents the country at the ISO. ANSI C, standardised in 1989, is the version of the language everything since has been built on.

Answer: A

DNS stands for Domain Name System.

It translates names people can remember into the numeric IP addresses machines use. It is a distributed hierarchy of servers, so no single machine holds the whole directory.

Answer: A

An interpreter translates a program line by line.

It reads, translates and executes each statement in turn, so an error is reported when that line is reached. A compiler translates the whole program first and reports every error before anything runs.

Answer: D

The smallest addressable element of a display is a pixel.

The word is short for picture element. Each is made of red, green and blue subpixels whose relative brightness produces the colour, and a 1920 × 1080 screen has about two million of them.

Answer: C

A driver is not malicious - it is the software that lets the operating system control a hardware device.

Viruses, worms and Trojan horses are all malware: a virus attaches itself to a program, a worm spreads by itself over a network, and a Trojan arrives disguised as something wanted.

Answer: D

Steve Jobs founded Apple, with Steve Wozniak and Ronald Wayne, in 1976.

Wozniak designed the Apple I and II; Jobs saw what they could be sold as. He was forced out in 1985 and returned in 1997 to lead the iMac, iPod, iPhone and iPad.

Answer: A

The motherboard is the circuit board that connects all the elements of a computer.

It carries the processor socket, memory slots, chipset, expansion slots and connectors, along with the buses that link them, so every component plugs into or communicates through it.

Answer: A

A computer must have an operating system.

Without it the hardware cannot be managed and no application can run. Office software, an internet connection and antivirus software are all useful but none is necessary for the machine to work.

Answer: A

The Windows directory structure is hierarchical.

Folders contain files and further folders, forming a tree from the drive root downwards. A flat structure would put every file in one list, which is unworkable beyond a few hundred files.

Answer: B

Internet server management is not a function of an operating system.

The operating system manages files, memory, processes and devices. Running an internet server is the work of separate application software such as Apache or nginx.