Question # 1

Frequency is measured in

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Channels

Hertz

Bandwidth

Baud

Data and instructions are put into primary storage by.

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memory

the control unit

secondary storage

the ALU

For calculating taxes, input to a computer could be.

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numbers representing wages

income

tax tables

all of the above

In preparing a program, one should first

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plan the solution

code the program

document the problem

define the problem

The most common protocol used in WAN is

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Ethernet

X.25

IEEE

ISO

A computer drives its basic strength from

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speed

accuracy

memory

all of above

The half adder circuit has

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one input

two inputs

three inputs

always more than two inputs

Another name for a logic chip is.

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PROM

memory

microprocessor

ROM

Base 8 is often used in computing because.

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there are 8 bit in a byte

calculations become easier by using base 8

electronic circuits can be made econmically

it can represent long strings of binary 1's an 0's in a more compact form

CPU stand for:

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Centre Product unit

Central Programming Unit

Control Program Unit

Central Processing Unit

Which of the following variable name is legal?

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PAK 123

A * B

COMPUTER

A/B

Pick up wrong logical expression

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If A and B are two 1-bit numbers, what logic gates will be required to test for A=B?

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NOR gate

EXCLUSIVE OR gate

EXCLUSIVE NOT gate

OR gate

Stored instructions and data in a digital computer consist of.

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alphabets

numerals

characters

bits

A pictorial screen symbol that represent a computer activity is called

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pointer

touch screen

icon

miicr

The physical parts of a computer system are called.

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software

input

output

hardware

The _____________ is the physical path over which the message travels :

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Protocol

Medium

Signal

All of the above

The memory area for programs with highest priority

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page frames

the background

shells

queues

Who is responsible for introducing the concept of stored program.

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Blaise Pascal

Herman Hollerith

Charles Babbage

John von Neumann

The focus of the fifth generation is.

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connectivity

symbolic languages

silicon

memory chips

Most of the errors in computer system could be attributed due to

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virus

programming errors

hardware problems

data entry errors

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

CD-ROM has the same format as

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backup tape

DAT

diskette

audio compact disk

Electron NumericaL integrator and Calculator belongs to the

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first generation digital computer

second generation computers

third generation computers

fourth generation computers

A Digitizer uses a mouse like copying device called

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Puck

Push

Pop

Paste

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 term 'word' in computer terminology refers to

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bit formed into groups

coded instructions

memory size

language used

The unit that transforms data into information is the.

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CPU

ROM

DVD

OCR

A physical system can be modeled by a set of.

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Boolean equations

logic equations

differential equations

linear algebraic equations

Another name of main memory is :

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Secondary memory

Primary storage

Permanent Memory

None

The circuit that is used for parallel to serial conversion is

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decoder

encoder

multiplexer

demultiplexer

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