Question # 1

Computer is a combination of:

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Software

Hardware

Both A and B

None

The most common storage devices in a computer system are.

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printers and monitors

disk drives and printer

disk drives and tape derives

tape drives and keyboards

The voice channel has a bandwidth of

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0 - 2 KHz

0 - 4 KHz

5 - 10 KHz

10 - 20 KHz

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

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rotational delay

data transfer

seek time

head switching

Which input device is often attached to laptop computers.

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trackball

inscriber

graphics display

wand reader

When a bank teller uses a computer terminal to know the balance in a customer's account it is an example of

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on-line updating

off-line processing

on-line processing

on-line query

Which of the following is termed ad minimum error code?

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Binary code

Gary code

Excess 3-code

Octal code

Historically, the first computers were used for.

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text processing

data storage

simulation and modeling

arithmetic calculations

The language Smalltalk is

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procedural oriented

document oriented

problem oriented

object oriented

Which is not beneficial of secondary storage

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convenience

DAT

economy

space

The major disadvantage of magnetic tape is

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cost

unreliability of store data

slow data recording

data is accessed sequentially

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

DASD refers to

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disk storage

track

tape storage

sorting

A disk pack within a selected data module is a

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backup unit

Winchester

diskette

Cd-Rom

Which of the following gate is two level logic gate.

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OR gate

AND gate

EXCLUSIVE OR gate

NAND gate

An A/D converter does the conversion from

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Digital to analog

Analog to digital

Voltage to ampere

Direct to alternate current

A driver is.

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hardware

a peripheral device

a card

software

A digital computer performs its computation by

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mechanical means

analogy

guessing

counting

Cabling on a linear bus topology can be extended using which of the following?

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Terminator

Barrel connector

Network adapter card

Medium attachment unit

The concept of sending/receiving text etc, on computer networks is called

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on-line database

Electronic mail

Teleconferencing

Electronic mail

The number of bytes in the following number (1111, 1011, 0111,0100,1010) is.

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5

2 1/2

10

1 2/4

Computers that are used to control temperature and humidity in buildings are considered to be.

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Software

special-purpose

non-programmable

analytical engines

What is the octal equivalent of the binary system :10111101.?

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675₈

275₈

572₈

573₈

Real time computing is possible because of the following number of storage locations

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storage capability

high speed

accuracy

versatility

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

Video Display Adapters that takes 1024 x 768 pixels are

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VGA

SVGA

XGA

GSA

Bandwidth requirement for human voice is

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100000 to 200000

5000 to 20000

20000 to 30000

25000 to 50000

The focus of the fifth generation is.

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connectivity

symbolic languages

silicon

memory chips

The first computer to use electrical power was developed by

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Herman Hollerith

Thomas J,Watson

John.V Atanasoff

Howard Aiken

The signal that the computer is awaiting a command from the user

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prompt

time slice

event

interrupt

Rearranging data in a new sequence is known as.

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Updating

Batching

Sorting

Summarising

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