Question # 1

A portable operating system

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generic

backup

allocated

utility

The disadvantage of analog computer over the digital computer lies in its.

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set up being closely resembling the physical system

having parallel structure and low cost

being readily tied up with a physically system without using expensive inter phase

need for scaling, limited number of units, limited accuracy

The computer programe consists mainly the following number of parts

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2

3

4

5

Network topologies are categorized into the following basic types

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Bus, Ring

Star , Tree

Mesh

All of the above

For printing of large drawings and images we use

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Laser printer

Plotter

Line printer

Dot matrix printer

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

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paging

queuing

slicing

spooling

A hard disk can be backed up efficiently using.

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WORM

a transaction file

a tape backup system

zoning

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

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ENIAC

minicomputer

pocket calculator

microprocessor

The number 7F00 in Hexadecimal when multiplied by 61 us

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7F16

167F00

7F006

None of these

Which is not associated with the main memory of computer.

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semiconductor memory

core memory

read only memory

sequential memory

_______is not component of data communication.

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Medium

Voltage

Decoder

Receiver

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

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OR function

NOT function

NAND function

AND function

The device drive is an example of :

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Application software

System software

Freeware

Shareware

Data is permanently stored in

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Hard disk

Ram

Printer

Cache Memory

To make a personal computer act like a terminal, which type of software must be used?

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fax

videoconferencing

bridge

emulation

A computer can be defined as an electronic device that can

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carry out arithmetic operation

carry out logical operation

do complicated calculation

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

A type of computer that is faster because it has fewer instructions.

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symbolic

RISC

ASCII-8

ROM burner

Which of the following gate is two level logic gate.

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OR gate

AND gate

EXCLUSIVE OR gate

NAND gate

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x . y

x + y

x . y

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

The highest-level language are called

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4GLs

high-level

assembly

natural

In multiprogramming, the process of confining each program to certain defined limits in memory is called

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spooling

time-sharing

program scheduling

memory protection

Examples of pointing devices that are used for computer input are.

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joysticks

mice

trackballs

all of the above

What does the acronym ISDN stand for?

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International Services Data Network

Intelligent Services Digital Network

Integrated Services Digital Network

Interactive Services Digital Network

An operating system used exclusively with the manufacturer's computer

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DOS

proprietary

UNIX

NOS

Real time system

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are effective in process control

process transactions by means of direct-access devices

process data in manner similar to batch-access devices

are not possible to achieve control

The complex set of electrical circuitry that executes program instructions is called the.

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register

central processing unit

accumulator

bus line

The clock speed of a computer is measured in.

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megahertz

kilobytes

megabytes

binary digits

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

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1

2

3

multiple

The major disadvantage of magnetic tapes is.

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cost

unreliability of store data

slow data recording

data is to be accessed sequentially

A network type in which all computers have equal status.

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communication links

peer to peer

WAN

direct connect

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