Question # 1

The smallest unit of information is a(n).

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byte

bit

element

atom

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

Loading the operating system into a personal computer is called

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booting

prompting

interrupting

paging

______input device is not a pointing device

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Scanner

Pointing Stick

Digitizing Tablet

Touchpad

_______ is a photoelectric scanner that translate the barcode symbol into digital code.

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MICR

Barcode Reader

OCR

OMR

A pictorial screen symbol that represents a computer activity is called a(n).

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pointer

touch screen

icon

MICR

Microwave and Communication Satellite are example of

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Guided

Un-guided

Simplex

Router

If one or more computers are connected to a central Hub, this topology is called

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Ring topology

Bus topology

Star topology

Modulation

The language Smalltalk is

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procedural oriented

document oriented

problem oriented

object oriented

In the computer world, the word digital means information that is in.

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discrete units

units that can be counted

continuous , smooth form

a and b

According to Idempotent law , x + y = __________

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1

0

x

x . x

The media Access Control sublayer resides in which OSI layer?

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Physical

Data Link

Network

Transport

Scheduling deadlines and milestones can be shown on a.

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system survey

decision table

prototype

Gantt chart

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

The unit that transform data in informaion is the

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CPU

ROM

DVD

OCR

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

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

A one color screen on a black background is called

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monochrome

addressable

blank

lcd

Octal number system uses the digit 0 to 7. The equivalent of Octal 126 in decimal system is.

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80

82

86

84

A physical system can be modeled by a set of.

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Boolean equations

logic equations

differential equations

linear algebraic equations

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

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1950s

third generation

second generation

1990s

A CPU has

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control unit consisting of program counter and instruction decoded,and arithmetic unit having accumulator.

bubble memory

visual display unit

auxiliary storage unit

The focus of the fifth generation is.

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connectivity

symbolic languages

silicon

memory chips

Page frames are typically

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1K or 2K bytes

3K or 4K bytes

2K or 3K bytes

2K or 4K bytes

Pick up the wrong statement in the analogy of mechanical and electrical devices.

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resistance is analog of damping

inductance is analog of mass

capacitance is analog of spring

charge is analog of displacement

Pick out of the wrong statement about computers

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It is a logical machine

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

it is devoid of emotion has no feeling or instincts

it approaches its information in unrestricted manner

________ key is used to cancel the current operation

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Alt

Caps Lock

Ese

Num lock

Data items are generally classified into which type of codes

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Numeric

Alphanumeric

Character

All of the above

The electromagnetic or light waves representing data are called:

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Reraction

Information

Signals

None

A 64 K-bit word computer has

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64 x 1000 bits

64 x 1012 bits

64 x 1020 bits

64 x 1024 bits

A COBOL program has how many divisions

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four

two

five

seven

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