Question # 1

The electromagnetic or light waves representing data are called:

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Reraction

Information

Signals

None

Who invented the modem?

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IBM

DEC

AT&T information System, USA

Apple computers Inc

The number 7F00 in Hexadecimal when multiplied by 61 us

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7F16

167F00

7F006

None of these

Who is regarded as the Father of computers.

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John Napier

Pascal

Charles Babbage

Hollerith

The cursor can be moved rolling this devices on a flat surface:

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mouse

trackball

want reader

interactive tablet

A letter, number, or a special character is represented by a.

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bit

kilobyte

byte

megabyte

An OR gate has 6 input. The number of input words in its truth table are.

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6

32

64

128

In the computer world, the word digital means information that is in.

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discrete units

units that can be counted

continuous , smooth form

a and b

The _____________ is the physical path over which the message travels :

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Protocol

Medium

Signal

All of the above

Computer output produced as small film images is called

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OCR

COM

LCD

OMR

The entire computer system is coordinated by.

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the ALU

the accumulator

the control unit

arithmetic operators

A microprocessor has memory location from 0000 to 3FFF, each storing one byte. The number of bytes, the memory can stored is.

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8,192

16,384

32,768

4,096

Laser beam technology is used for

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terminals

optical disk

keyboard

magnetic tape

Loading the operating system into a personal computer is called

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booting

prompting

interrupting

paging

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x + y

PDP-5,PDP-8,IBM-360 series and IBM-370 series belong to the.

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first generation computers

second generation computers

third generation computers

fourth generation computers

_______ is a photoelectric scanner that translate the barcode symbol into digital code.

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MICR

Barcode Reader

OCR

OMR

The keys starting with Character F1 to F12 is

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Arrow keys

Function keys

Alphabet keys

Numeric keys

Soft copy refers to

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OCR-A

screen output

microfiche

digitizing

Microwave transmission, coaxial cables, and fiber optics are examples of.

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modems

communication links

gateways

ring network

A computer is capable of performing almost any task, provided that it can be.

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coded

memorized

analyzed

reduced to a series of logical steps

Computer follows a simple rule called GIGO, GIGO stand for

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good input, good output

great instructions, great output

garbage in, garbage out

gated input, gated output

A set raw, unprocessed facts, figures and symbols is called

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Information

Data

Instruction

Code

The general-purpose processor on a chip is otherwise known as the.

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ENIAC

minicomputer

pocket calculator

microprocessor

The major operational problem of the early first generation computers was

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inaccurate results

poor reliability

delayed results

limited capabilities

The equipment attached to CPU which computer can access are called

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Hardware

input output devices

peripherals

computer components

Laser beam technology is used for.

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terminals

optical disk

keyboards

magnetic tape

A device that connects multiple nodes to the network is.

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A modem

A repeater

A router

A hub

A 64 K-bit word computer has

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64 x 1000 bits

64 x 1012 bits

64 x 1020 bits

64 x 1024 bits

Information travels between components of a computer through groups of wires called.

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cards

busses

slots

ports

The computer programe consists mainly the following number of parts

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2

3

4

5

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