Question # 1

A type of core store that has a lower access time than the devices used for working store int he same processor is known as

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Core memory

Buffer

Fast core

Address register

A device that operates under the control of another device is called.

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Stem

Slave

Simulator

Emulator

The most commonly used standard dta code to represent alphabetical numerical and punctuation characters used in electronic data processing system is called.

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ASCII

BCD

EBCDIC

All of above

As computer to diskettes the hard disks are

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More expensive

More portable

Less rigit

Slowly accessed

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

Multi user system provided cost saving for small business because they use a single processing unit to link several

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Personal computers

Workstations

Dumb terminals

Main frames

The difference between memory and storage is that memory is and storage is.

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Temporary permanent

Permanent temporary

Slow ,fast

All of above

Which of the following is required when more than one person uses a central computer at the same time.

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Terminal

Light pen

Digitizers

Mouse

In the third generation of computers

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Distributed data processing first became popular

An operating system was first developed

High level procedural language were first used

Online real time system first become popular

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

User programmable terminals that combine VOT hardware with built in microprocessor is

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Kips

PC

Mainframe

Intelligent terminals

The first Electronic computer in the world was

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UNIVAC

EDVAC

ENIAC

All of above

Which statement is valid.

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1 KB = 1024 bytes

1 MB = 2048 bytes

1 MB =1000 kilobytes

1 KB = 1000 bytes

Which was the computer conceived by Babbage.

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Analytical engine

Arithmetic Machine

Donald Kunth

All of above

All the keys on the IBM PC keyboard repeat as long as one hold them down these key are knows as.

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Typematic keys

Functional keys

Automatic keys

Alphabetic keys

How many address lines are needed to address each memory location in a 2048 x 4 memory chip.

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10

11

8

12

Microprocessors as switching devices are for which generation computers

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First Generation

Second Generation

Third Generation

Fourth Generation

The accuracy of the floating point numbers representable in two 16 bit words of a computer is approximately

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10 digits

6 digits

9 digits

All of above

Most of the inexpensive personal computers do not have only disk or diskette drive. What is the name of such computes.

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Home computers

Diskless computers

Dedicated computer

General purpose computers

Which of the following is a way to access secondary memory.

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Random access memory

Action method

Transfer method

Density method

Which of the following is secondary memory device.

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Keyboard

Disk

ALU

All of above

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