Question # 1

A computer drives its basic strength from

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speed

accuracy

memory

all of above

Which of the following is not a component of telecommunications?

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sender

office device

medium

receiver

Shift of register by one bit to left in binary code is equivalent to

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addition of 2

subtraction of 2

division by 2

multiplication by 2

An application package is used to

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Meet specific needs of a user

Run the computer system better

Run the compiler smoothly

Enable operating system control hardware better

An emerging technology that provides nonvolatile memory chips is.

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flash memory

PROM

CMOS

CISC

Data items are generally classified into which type of codes

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Numeric

Alphanumeric

Character

All of the above

The mechanism for reading or writing data in a disk is called

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track

rorational delay

access arm

seek time

A group of characters that are treated as a single entity.

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bit

byte

word

address

An inkiet pirnter is an example of a(n):

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LASER printer

Impact Printer

COM printer

NON-Impact Printer

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

Frequency is measured in

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Channels

Hertz

Bandwidth

Baud

In a three input NAND gate, if all the inputs are 1, the output is.

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0

1

3

indeterminate

Rearranging data in a new sequence is known as.

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Updating

Batching

Sorting

Summarising

The central processing Unit (CPU) comprises of.

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memory, VDU , and printer

input device , output device and memory

store , arithmetic and logic unit and control unit

software, hardware and power supply unit

The focus of the fifth generation is.

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connectivity

symbolic languages

silicon

memory chips

What does ISDN stands for?

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International Service Data Network

International Service Digital Network

Integrated Service Data Network

Integrated Service Digital Network

A computer that accepts handwritten input on a screen.

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minicomputer

desktop computer

mainframe

pen-based computer

Historically, the first computers were used for.

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text processing

data storage

simulation and modeling

arithmetic calculations

________ is a category software

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application software

system software

both a and b

none of these

The signals produced by a computer or terminal to be sent over phone lines must be converted to.

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modems

analog signals

digital signals

microwave

The heart of a digital computer is.

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control unit

memory unit

logic unit

visual display unit

The most commonly used character code/s transmission is/are

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EBCDIC

ASCII

both EBCDIC and ASCII

nethier EBCDIC and ASCII

The number of inputs to full adder are

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1

2

3

4

Which of the following does not provide a graphical user interface.

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OS/2

MS-DOS

Macintosh

Windows NT Workstation

To activate an object, send

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a message

an instance

a method

an attribute

All of the following are Guided Communication media except

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Fiber-Optic Cable

Wire Cable

Coaxial Cable

Satellite-based , Microwave communication

The half adder circuit has

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one input

two inputs

three inputs

always more than two inputs

AB₁₆+ CD₁₆= ________

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101111010₂

101111000₂

101111110₂

101101000₂

A set raw, unprocessed facts, figures and symbols is called

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Information

Data

Instruction

Code

Which types of data consists of words ,sentences and paragraphs

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Text

Image

Numeric

Video

A computer has very high speed, accuracy and reliability . Its intelligent quotient could be of the order of

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0

10

15

20

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