Question # 1

Excess-3 code is known as

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Weighted code

cyclic redundancy code

algebraic code

self complementing

The major operational problem of the early first generation computers was

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inaccurate results

poor reliability

delayed results

limited capabilities

Pick up wrong statement regarding analog computers

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Initial conditions during integration operation are imposed in an analog computer during reset mode

Differentiators is analog circuit are not popular, became they are incapable of handling noisy ramp signals

Memory or storage is an essential component of an analog computer

Repetitive operations of analog computers are done to get a display on oscilloscope

Step-by-step instructions that run the computer are.

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hardware

documents

programs

CPUs

The most common storage devices in a computer system are.

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printers and monitors

disk drives and printer

disk drives and tape derives

tape drives and keyboards

The name for the screen clarity is :

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Resolution

Discrete

Pixel

LCD

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

Computer output produced as small film images is called.

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OCR

COM

LCD

OMR

CD-ROM has the same format as

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backup tape

DAT

diskette

audio compact disk

Which types of data consists of words ,sentences and paragraphs

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Text

Image

Numeric

Video

The cursor can be moved rolling this device on a flat surface.

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mouse

wand reader

trackball

interactive tablet

Logical security for on-line systems is achieved primarily by ________ and authorization codes

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MIS

Passwords

Tactical

None of the above

Which of the following is an example of volatile memory.

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ROM

RAM

PROM

Hard disk

A Terabyte represents about

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1 quadrillion bytes

1 trillion bytes

1 billion bytes

1 million bytes

Comments in the program itself are part of

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compiling

translating

linking

documenting

Who is regarded as the father of computers

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John Napier

Pascal

Charles Babbage

Hollerith

Abother word for printer

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monochrome

microfiche `

pixel

cursos

In EBCDIC (extended binary coded decimal interchange code) each character is denoted by

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3 bits

4 bits

5 bits

8 bits

Laser beam technology is used for

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terminals

optical disk

keyboard

magnetic tape

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

Who is responsible for introducing the concept of stored program.

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Blaise Pascal

Herman Hollerith

Charles Babbage

John von Neumann

The lowest level of management is concerned with

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Operational information

Traditional information

Long Term planning

Strategic information

An error in a computer hardware and software is called a bug. Another name for its is

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glitch

hacker

virus

pixel

Assuming 8 bit for data, 1 bit for parity, 1 start bit and 2 stop bits, the number of characters that 1200 BPS communication line can transmit.

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10 CPS

120 CPS

12 CPS

none of these

A color screen with the best resolution

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MICR

VGA

SVGA

LCD

Programs written to cause computers to function in a desired way are called.

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hardware

instruction

software

algorithm

Voice input device convert voice input to

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digital code

OCR-A

bar codes

optical marks

The most powerful computers are

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Supercomputer

mainframe computers

super minis

super micros

Which of the following is a Correct definition of volatile memory?..

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It is the latest type of bubble memory

It loses its contents at high ambient temperatures

Its contents are lost on failure of power supply

It has to be kept in air tight boxes always

BCD stands for

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Bit coded digit

Byte coded decimal

Binary coded decimal

None

A LAN is a combination of.

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LAN cables

Network adapter card

LAN Application Software

All of the above

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