Question # 1

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

The unit that transforms data into information is the.

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CPU

ROM

DVD

OCR

The kind of interview where all questions are planned in advance is called

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preplanned

structured

observation

unstructutred

Voice input devices convert voice input to.

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digital code

OCR-A

bar codes

optical marks

Primary storage for the UNIVAC was via

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punched cards

transistors

magnetic cores

disk packs

Conferencing in relation to computer systems means

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Transfer of documents electronically via computers linked to each other

Getting looked to an international network of computers

Having unauthorized access to computer data

online meanings using computers linked to each other

Which is not beneficial of secondary storage

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convenience

DAT

economy

space

Point of sale terminal to.

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Terminals associated with MICR

Smart terminal

Terminal associated with OCR

None of above

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

Information travels between components of a computer through groups of wires called.

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cards

busses

slots

ports

Popular object-oriented languages.

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Pascal, Modula-3

C++ , Smalltalk

LOGO , PROLOG

COBOL , BASIC

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

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storage capability

high speed

accuracy

versatility

Boolean description for the exclusive OR gate for two inputs x and y can be written as.

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x + y __

_x _y

x. y + x. y

x . y + x .y

To activate an object, send

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a message

an instance

a method

an attribute

Which of the following is not hardware

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Magnetic tap

Printer

VDU terminal

Assembler

The media Access Control sublayer resides in which OSI layer?

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Physical

Data Link

Network

Transport

What layer of the OSI model does data compression?

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Network

Data Link

Presentation

Physical

In computer science, by information we mean

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Any output coming out form

Processed data put in intelligent form

A report printed by computer

Plural of data

Which of the following operations are used by Boolean algebra.?

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Boolean addition

Boolean multiplication

Boolean complementation

All of the above

Operating System involved by AT&T is

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Macintosh

Unix

OS/2

Windows

Data us transmitted block by block in

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Asynchronous mode

Synchronous mode

Communication mode

Satellite mode

The lowest level of programming language is

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nonprocedural language

assembly language

BASIC

machine language

Which is not associated with the main memory of computer.

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semiconductor memory

core memory

read only memory

sequential memory

The phase following detail design is,

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preliminary investigation

implementation

system development

system conversion

An electronic device that accepts. process data and produces information is called

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input devices

computer

output devices

operating system

Which of the following variable name is legal?

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PAK 123

A * B

COMPUTER

A/B

What is the size of standard floppy disk?

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6 1/2ⁿ

3 1/2ⁿ

8 1/2ⁿ

4 1/2ⁿ

Which of the following is not a category of network problems.

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Newsgroup problems

Physical problems

Electrical problems

Viruses

In developing a program, documentation should be done

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as the last step

throughout the process

only to explain errors

only during the design phase

Logical multiplication refers to operation of.

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OR gate

AND gate

NOT gate

inverter gater

Charles Babbage worked closely with ______ to develop his device.

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Ada Lovelace

Joseph-Marie Charles

Herman Hollerith Jacquard

Lord Byron

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