Question # 1

___________ code systems can represent upto 65536 symbols

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ASCII-7

EBCDIC

ASCII-8

Unicode

According to Boolean algebra A+A+......+A is

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A

n A

0

1

A computer drive its basic strength from

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speed

accuracy

memory

all of above

A color screen with the best resolution

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MICR

VGA

SVGA

LCD

Project 802 defines standards for which layers of the OSI model?

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Application and Presentation layers

Physical an Date Link layers

Transport and Network layers

Network and Data Link layers

The differential equations are solved by.

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analog computers

digital computers

differential machine

both analog and digital computers

The entire new system is used by a portion of the users.

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direct conversion

pilot conversion

file conversion

parallel conversion

A device used for optical character recognition is

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wand reader

light pen

mouse

micr reader

Pick out the wrong statement about computers.

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it is a logical machine

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

it is devoid of emotion, has no feelings or instincts

it approaches its information is unrestricted manner

The transfer if encoded information from one location to another by a communication channel is called

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data processing

data distribution

data communication

data encryption

What best describes a bus topology network?

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The number of computers on the network does not affect performance

Easier to troubleshoot than other topologies

Needs significantly more cabling than other topologies

Media is inexpensive and easy to work with

The term 'baud' is a measure of the

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speed at which data travels over a communications line

capacity of memory

error detection/correction capability of computer system

instruction execution time

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

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ENIAC

minicomputer

pocket calculator

microprocessor

Data and instructions are put into primary storage by.

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memory

the control unit

secondary storage

the ALU

BCD stands for

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Bit coded digit

Byte coded decimal

Binary coded decimal

None

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

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mouse

trackball

want reader

interactive tablet

The device drive is an example of :

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Application software

System software

Freeware

Shareware

The analog computer deal directly with.

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number or pulses

measured values of continuous physical magnitudes

signals in the form of 0 or 1

signal in discrete values form 0 to 9

The concurrent processing of computer program via terminals on one computer system is an example of.

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real time processing

time-sharing

Interactive processing

all of the above

126₈+ 425₈= __________

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111101011₂

101101001₂

101101011₂

101100011₂

The different memory locations are identified by hexadecimal numbers called.

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ASCII code

bytes

BCD numbers

addresses

How many pairs of computers can simultaneously communicate on Ethernet LAN?

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1

2

3

multiple

IBM's System/360 family of computers was introduced during the.

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1950s

third generation

second generation

1990s

Assigning more sector to outer hard disk is called

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zone recording

randomizing

sectoring

data transfer

CD-ROM has the same format as

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backup tape

DAT

diskette

audio compact disk

A storage medium which cannot support both direct-access and sequential-access application is.

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magnetic drum

hard disk

magnetic tape

floppy disk

Rearranging data in a new sequence is known as.

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Updating

Batching

Sorting

Summarising

Stored instructions and data in a digital computer consist of.

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alphabets

numerals

characters

bits

The disk storage that use both magnet and laser beam

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hashing

magneto optical

CD-ROM

WORM

The five basic parts of a computer system are

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hardware, software, memory,VDU, and magnetic tape

store,arithmatic and logic unit, control unit, input device, and output device

CPU, ALU,software,firmware, and operating system

data bus,control lines,address bus,memory, and printer

If electrical power supply to a computer system is inadvertently disrupted, the serious damage would occur to.

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CPU

disk

CRT

printer

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