General revision_2

Integrated circuits were used in the ________ generation of computers.

• 1st

• 3rd

• 5th

• 4th

A _________ printer is a very high speed printer.

• laser

• inkjet

• thermal

• wireless

A byte equals ____________ nibble(s).

• 2

• 1/2

• 1/8

• 8

Which of the following is not a multitasking operating system?

• Windows

• UNIX

• LINUX

• DOS

In a computer system environment, operating system can be classified basically into _________ classes.

• 2

• 7

• 3

• 5

Which of these is not a procedure for shutting down the computer system?

• Clicking on shut down radio button

• Clicking on the control panel

• Clicking on start button

• Clicking on shut down radio button

The earliest programmable computer in history was____________.

• Difference engine

• Napier’s bones

• Abacus

• Photostat machine

The following are safety measures to be taken when using the computer, except _____________.

• Maintaining a dust free environment

• Illuminating the computer room

• Use of water to clean the computer

• Secured electricity fitting

A mistake in a program which prevents it from running is called_____.

• bug

• antivirus

• mistake

• symbolic

A byte is made up of

• Two binary digits

• Eight decimal digits

• Eight binary digits

• Four binary digits