Question # 1

An English-like language that one can use as a program design tool is

Choose an answer

BASIC

pseudocode

PL/I

Pascal

Personal computer users may wish to increase their hard disk storage capacity with.

Choose an answer

higher density

DAT

read only media

removable hard disk cartridge

Which is not a professional computer job?

Choose an answer

system analyst

programmer

user

data entry operator

A hard disk can be backed up efficiently using.

Choose an answer

WORM

a transaction file

a tape backup system

zoning

Network topologies are categorized into the following basic types

Choose an answer

Bus, Ring

Star , Tree

Mesh

All of the above

The heart of the digital computer is

Choose an answer

control unit

memory unit

logic unit

visual display unit

The presence of both data and its related instructions in an object is

Choose an answer

C++

encapsulation

orientation

inheritance

_______is not component of data communication.

Choose an answer

Medium

Voltage

Decoder

Receiver

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

Choose an answer

discrete units

units that can be counted

continuous , smooth form

a and b

In preparing a program, one should first

Choose an answer

plan the solution

code the program

document the problem

define the problem

A COBOL program has how many divisions

Choose an answer

four

two

five

seven

Bandwidth requirement for human voice is

Choose an answer

100000 to 200000

5000 to 20000

20000 to 30000

25000 to 50000

Shift of a register by one bit to left in binary code is equivalent to.

Choose an answer

addition of 2

subtraction of 2

division by 2

multiplication by 2

The correct processing unit

Choose an answer

is operated from the control panel

is controlled by the auxiliary storage unit

is controlled by input as it enters the system

controls all input,output, and processing

Use to ensure that no alternative is overlooked during data analysis.

Choose an answer

data flow diagram

organization chart

Gantt chart

decision table

A group of electronic, magnetic, or mechanical devices that store data is called

Choose an answer

register

address

program

software

Who is regarded as the father of computers

Choose an answer

John Napier

Pascal

Charles Babbage

Hollerith

The different memory locations are identified by hexadecimal numbers called.

Choose an answer

ASCII code

bytes

BCD numbers

addresses

The voice channel has a bandwidth of

Choose an answer

0 - 2 KHz

0 - 4 KHz

5 - 10 KHz

10 - 20 KHz

The major disadvantage of magnetic tapes is.

Choose an answer

cost

unreliability of store data

slow data recording

data is to be accessed sequentially

Debug is a term denoting

Choose an answer

error correction process

writing of instruction in developing a new program

fault detection in equipment

determine useful life

Pick out of the wrong statement about computers

Choose an answer

It is a logical machine

it can be access any piece of information that it has in store

it is devoid of emotion has no feeling or instincts

it approaches its information in unrestricted manner

What layer of the OSI model does data compression?

Choose an answer

Network

Data Link

Presentation

Physical

The accuracy of analog computers as compared to digital computer is.

Choose an answer

more

less

nearly same

unpredictable

Ethernet bus topologies used following Ethernet cabling

Choose an answer

Thin Net

Thick Net

Bold Net

a , b

__________is an example of packaged software

Choose an answer

MS word

Front page

MS-Access

All

Testing of each individual program or module is called.

Choose an answer

program testing

volume testing

system testing

unit testing

Memory capacity may be expressed in.

Choose an answer

microseconds

kilobytes

bits

cycles

The major generational problem of the early first generation computers was

Choose an answer

inaccurate results

poor reliability

delayed results

limited capabilities

Which input device is often attached to laptop computers.

Choose an answer

trackball

inscriber

graphics display

wand reader

A bar code reader is an example of a(n).

Choose an answer

processing device

storage device

Input device

output device

More Classes

Other Links

ECAT Computer Science Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer