Question # 1

Which of the following professions has not been affected by personal computer.

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Medical

Clerical and law

Accounting

None of above

Plotter accuracy is measured in term of repeatability and

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Buffer size

Resolution

Vertical dimensions

Intelligence

A memory that is capable of determining whether a given datum is contained in one of its address is

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ROM

PROM

CAM

RAM

Which is the type of memory for information that does not change on our computer.

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RAM

ROM

EROM

RAM

Serial access memories are useful in application where

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Data consists of numbers

Short access time is required

Each stored word a processed diffrently

Data naturally needs to flow in and out in a serial form

A characteristic of card system is.

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Slowness in processing data

Using cards as record of transactions

Needing a larger DP staff

All of the above

Which of the following is a secondary memory device.

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Key board

Disk

ALU

All of above

IMB launched its first personal computer called IBM -PC in 1981 it had chips from intel. disk drives from Tandon operating system from Microsoft the printer from Epson and the application software from everywhere Can you name the country which contributed the video display.

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India

China

Taiwan

Germany

The capacity of 3,5 inch floppy disk is

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1.40 MB

1.44 GB

1.40 GB

1.44 MB

When was the world's first laptop computer introduced in the market and by whom.

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Hawieltt-Packard

Epson 1981

Laplink traveling software in 1982

Tandy model 2000 ,1985

Registers, which are partially visible to users and used to hold conditional are known as

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PC

Memory address registers

General purpose register

Flags

Which of the following memories allows simultaneous read and write operations.

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ROM

RAM

EPROM

NONE 284

Seek time is

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Time to position the head over proper track

Time to position the head over proper sector

Time to position the head over proper cylinder

None of above

The first digital computer built with IC chips was known as.

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IBM 709

Apple -1

IBM system 7360

VAX -10

Storage capacity of magnetic disk depends on

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Tracks per inch of surface

Bit per inch of tracks

Disk pack in disk surface

All of above

Interference electronic circuit is used to interconnect I/O devices to a computer CPU or

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ALU

Memory

Buffer

Register

One of the class of storage device devices that can access storage location in any order is.

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DTE

DASID

DDE

DCD

Floppy disks are available in

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Single side single density

Single side double density

Both of above

None of these

A disadvantage of the laser printer is

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It is uleter than an impact printer

It is very slow

The output is of a lower uality

None of above

Which is used for manufactruring chips

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Bus

control unit

Semiconductors

A and b only

Which statement is valid.

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1 KB = 1024 bytes

1 MB = 2048 bytes

1 MB =1000 kilobytes

1 KB = 1000 bytes

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