Question # 1

As computer to diskettes the hard disks are

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More expensive

More portable

Less rigit

Slowly accessed

The memory which is programmed at the time it is manufactured.

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POM

RAM

PROM

EPROM

Plotter accuracy is measured in term of repeatability and

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Buffer size

Resolution

Vertical dimensions

Intelligence

The ALU of a computer normally contains a number of high speed contains a number of high speed storage element called.

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Semiconductor memory

Registers

Hard disks

Magnetic disk

Which types of computers uses the 8-bit code called EBCDIC.

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Mini computers

Micro computers

Main frame computer

Super computer

RATS stand for

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Regression analysis time series

Regression analyses time sharing

Real Analysis series

All of above

A typical personal computer used for business purposes would have of RAM.

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4 KB

16 KB

256 KB

64 KB

Super computer was invested by

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J.H. Van Tassel

J.C. Perrier

W.L Judson

A.J garnering.

MICR stand for

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Magnetic link Character reader

Magnetic link code Reader

Magnetic Link cases reader

None

EBCDIC is.

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6 -bit coding system

7-bit coding system

8-bit coding system

9- bit coding system

Which of the following is used as a primary storage device.

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Magnetic drum

Prom

Floppy

All of above

Which of the following magazines covers only the IBM PC and its compatibles.

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Byte

PC magazine

Personal computing

Interface age

Electronic mail system is similar or best suits to

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Postal service

Telephone service

Telegraph service

None

One of the main feature that distinuish microprocessors from micro computers is.

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Words are usually larger in microprocessors

Words are shorter in microprocessors

Microprocessor does not contain 1/0 devices

Exactly the same as the machine cycle time

Which is considered a direct entry input device.

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Optical scanner

Mouse and digitizer

Light pen

All of the above

One computer that is not considered a portable computer is.

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Minicomputer

A laptop comuter

Micro coputer

All of the above

An error in computer data is called.

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Chip

Bug

CPU

Storage

The number of records contained within a block of data on magnetic tape is defined by the

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Block definition

Record contain clause

Blocking factor

Record per block factor

The language that the computer can understand and execute is called.

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Machine language

Application software

System program

All of above

What type of memory is not directly addressable by the CPU and requires special software called EMS specification.

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Extended

Expanded

Base

Conventional

Can you tell what passes into and out from the computer via its ports.

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Data

Bytes

Graphics

Pictures

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PPSC Computer Science Chapter 1 Basic Computer Knowledge Online Test MCQs With Answers

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