Question # 1

The personal computer industry was started by

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IBM

Apple

HCl

Compa

Which statement is valid about magnetic tape.

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It is a plastic ribbon

It is coated on both sides with iron oxide

It can be erased and reused

All of above

Which of the following registers is loaded with the contents of the memory location pointed by the PC.

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Memory address registers

Memory data registers

Instruction register

Program counter

Who is credited with the idea of using punch cards to control patterns in a waving machine.

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Pascal

Jauard

Hollerith

Babbage

Number crunchier is the informal name for

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Mini computer

Super computer

Micro computer

Main frame computer

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

To locate a data item for storage is

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Field

Feed

Database

Fetch

Extended SACII uses

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8 bits for coding

9 bits for coding

10 bits for coding

11 bits for coding

The most important advantage of a video disk is

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Compactness

Potential capacity

Durability

Cost effectiveness

The disk drive component used to position read heads over specific track as.

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Acoustic couples

Access arm

Custer

All of the above

Which of the following is not true for a magnetic tape

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It is expensive relative to magnetic tape

it provides only sequential access to stored data.

Users can easily update records by writing over the old data

All of above

In the third generation of computers.

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Distributed data processing first became popular

An operating system was first developed

High level prcedu 7 ral language were firs used.

On line real time system first became popular

An error in computer data is called.

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Chip

Bug

CPU

Storage

A computer program that translate one program instructions at a time into machine language is called a

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Interpreter

CPU

Compiler

Simulator

An input /output device at which data enters or leaves a computer systemis.

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Keyboard

Terminal

Printer

Plotter

Which is used for manufactruring chips

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Bus

control unit

Semiconductors

A and b only

A term associated with the companion of processing speeds of different computer system is.

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EFTS

MPG

CFPS

MIPS

The first machine to successfully perform a long series of arithmetic and locial operations was.

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ENIAC

Mark -1

Analytic Engine

UNIVAC -1

A set information that defines the status of resources allocated to a proces sis.

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Process control

ALU

Register unit

Process description

What are the three decisions making operations performed by the ALU of the computer.

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Grater then

Less than

Eual to

All of the above

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

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10

11

8

12

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