Question # 1

Historically, the first computers were used for.

Choose an answer

text processing

data storage

simulation and modeling

arithmetic calculations

The technique in shared systems that avoid interspersed printout from several programs is

Choose an answer

paging

queuing

slicing

spooling

The function of an OP code is.

Choose an answer

To instruct the CPU

To translate a mnemonic

Operate the I/O devices

To act as a buffer

Assigning more sector to outer hard disk is called

Choose an answer

zone recording

randomizing

sectoring

data transfer

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

The first computer to use electrical power was developed by

Choose an answer

Herman Hollerith

Thomas J,Watson

John.V Atanasoff

Howard Aiken

Rearranging data in a new sequence is known as.

Choose an answer

Updating

Batching

Sorting

Summarising

Bandwidth requirement for human voice is

Choose an answer

100000 to 200000

5000 to 20000

20000 to 30000

25000 to 50000

Data items are generally classified into which type of codes

Choose an answer

Numeric

Alphanumeric

Character

All of the above

Binary Coded decimal number express each decimal digit as

Choose an answer

binary digits

nibble

word

byte

A computer can be defined as an electronic device that can

Choose an answer

carry out arithmetic operation

carry out logical operation

do complicated calculation

accept and possessed data by implementing sequentially a set of stored in instruction

The time require for the access arm to get into position over a particular track is.

Choose an answer

rotational delay

data transfer

seek time

head switching

A built in number that identifies a location in storage.

Choose an answer

character

word

byte

address

What layer of the OSI model does data compression?

Choose an answer

Network

Data Link

Presentation

Physical

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

Choose an answer

data flow diagram

organization chart

Gantt chart

decision table

Computer operations are synchronized by.

Choose an answer

the CPU clock

megabytes

the binary system

E-time

Which of the following function is referred as the complementary.?

Choose an answer

OR function

NOT function

NAND function

AND function

A systems analyst would observe the flow of data and interrelations of people within an organization during.

Choose an answer

detail design

preliminary design

systems analysis

a system survey

The corresponding memory spaces for pages are called

Choose an answer

page utility

page frames

page blocks

page modules

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

Choose an answer

8,192

16,384

32,768

4,096

Laser beam technology is used for.

Choose an answer

terminals

optical disk

keyboards

magnetic tape

For creating and editing legal documents which application package would be most useful?

Choose an answer

Spreadsheet

Word processing

Graphics

Communication

Operating System involved by AT&T is

Choose an answer

Macintosh

Unix

OS/2

Windows

The most powerful computers are

Choose an answer

Supercomputer

mainframe computers

super minis

super micros

What enables a computer to work with a printer?

Choose an answer

Protocols

Drivers

Packet processor

HCL

The widely used code in data communication is.

Choose an answer

a bit ASCII

7 bit ASCII

EBCDIC

none of these

Frequency is measured in

Choose an answer

Channels

Hertz

Bandwidth

Baud

A computer drive its basic strength from

Choose an answer

speed

accuracy

memory

all of above

The correct order of data hierarchy is

Choose an answer

bit-byte-record-field-file-data base

bit-byte-file-record-field-data base

bit-byte-field-record-file-data base

An A/D converter does the conversion from

Choose an answer

Digital to analog

Analog to digital

Voltage to ampere

Direct to alternate current

_________is input device.

Choose an answer

Keyboard

Touchpad

Microphone

All

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