PRACTICE QUESTIONS WEEK 10

One of the following is a classification of computer according to size.

• Hybrid Computer

• Digital Computer

• Analog Computer

• Super Computer

The part of the central processing unit that sends signals and data to different devices of the system is termed ___.

• ALU

• control unit

• DOS

• memory unit

The operating system performs the following tasks except ___.

• application interface

• data storage

• device management

• processor management

A device that prints output by moving a pen across the surface of a piece of paper is ___.

• light pen

• plotter

• printer

• scanner

Which of these is not an example of computer virus?

• (a) I love you

• (b) Christmas

• (c) Trojan horse

• Code Blue

Which of the following is an example of architectural graphics package?

• AutoCAD

• CorelDraw

• Harvard

• Instant Artist

What is the capacity of floppy high density diskette?

• 1.44KB

• 1.44MB

• 1.44GB

• 1.44TB

In a simple lighting circuit with two switches in series, the lamp will light only if both switches are pressed. This describes a ____ gate.

• AND

• OR

• NOT

• NAND

The four ways to align a text are ___.

• centre, justify, left, right

• justify, left, middle, centre

• left, justify, middle, right

• middle, justify, left, right

____ is the elementary building block of a digital circuit.

• Circuitry

• Algorithm

• Logic gate

• Flow chart