Question # 1

Frequency is measured in

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Channels

Hertz

Bandwidth

Baud

What layer of the OSI model does data compression?

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Network

Data Link

Presentation

Physical

Following devices are used in simplex mode

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Radio

Television

a , b

Multiplexers

Loading the operating system into a personal computer is called

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booting

prompting

interrupting

paging

Microwave and Communication Satellite are example of

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Guided

Un-guided

Simplex

Router

Soft copy refers to.

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OCR-A

screen output

microfiche

digitizing

The use of computer for business applications is attractive because of its/

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accuracy

reliability

speed

all of the above

Which of the following is associated with second generation computers

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transistors

high level procedural language

magnetic core memory

all of above

Pick up wrong logical expression

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UNIX is an example of a(n)

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memory management

generic operating system

NOS

utility program

The _______ is the physical path over which a message travels.

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Protocol

Medium

Single

All

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

Computer output produced as small film images is called.

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OCR

COM

LCD

OMR

Which is not associated with the main memory of computer.

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semiconductor memory

core memory

read only memory

sequential memory

The term 'baud' is a measure of the

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speed at which data travels over a communications line

capacity of memory

error detection/correction capability of computer system

instruction execution time

Imaging used what devices to input data?

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scanner

barcode reader

icon

tablet

Which of the following variable name is legal?

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PAK 123

A * B

COMPUTER

A/B

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

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paging

queuing

slicing

spooling

The correct processing unit

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is operated from the control panel

is controlled by the auxiliary storage unit

is controlled by input as it enters the system

controls all input,output, and processing

Shift of a 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

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x . y

x + y

x . y

The ability of an object to interpret a message using its own methods is called

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Polymorphism

encapsulation

inheritance

messaging

Implementation of a program involves

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Compilation of the program

Debugging the program

Testing the program with data

All of the above

_______ pointing devices has a vertical handle like a gearshift lever:

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Light pen

Pointing stick

Trackball

Joystick

Records stored on a Direct Access storage device.

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must be read in a specific order

must be read in groups

must be read directly

must be read sequentially or directly

Excess-3 code is known as

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Weighted code

cyclic redundancy code

algebraic code

self complementing

Pointing devices are

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Mouse

Trackball

Touch Screen

All of the above

Computers that are used in consumer goods, such as cars, are called.

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enchanced

software

analog

embedded

Charles Babbage worked closely with ______ to develop his device.

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Ada Lovelace

Joseph-Marie Charles

Herman Hollerith Jacquard

Lord Byron

In the networking environment a network adapter card driver is needed for.

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Communication with other adapter cards on a network

Communication between the file server and the other computers on the network

Communication between different types of computers on a network

Communication between the adapter card and the computers operating system

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