Question # 1

The microphone converts the sound into

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Mechanical signals

Software

Electrical signals

GUI

________ pointing device uses the sensors to detect the touch of a finger

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Touchscreen

Light Pen

Pointing Stick

Joystick

First-generation computers were characterized by the use of the.

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microprocessor

vacuum tube

transistor

integrated circuit

Which is not beneficial of secondary storage

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convenience

DAT

economy

space

IBM stands for

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International Business Machine

International Binary Machine

Internal Business Machine

International Business Microsoft

The heart of a digital computer is....

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control unit

memory unit

logic unit

visual display unit

A bus line consists of.

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registers

accumulators

parallel data paths

machine cycles

The encoding scheme of data represent as

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EBCDIC code

ASCII code

Unicode

All of the above

The concurrent processing of computer program via terminals on one computer system is an example of.

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real time processing

time-sharing

Interactive processing

all of the above

A microprocessor has memory location from 0000 to 3FFF, each storing one byte. The number of bytes, the memory can stored is.

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8,192

16,384

32,768

4,096

Network topologies are categorized into the following basic types

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Bus, Ring

Star , Tree

Mesh

All of the above

The time between the user's request and the computer's reply

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concurrent time

response time

allocation time

event time

Voice input device convert voice input to

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digital code

OCR-A

bar codes

optical marks

Data items are generally classified into which type of codes

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Numeric

Alphanumeric

Character

All of the above

TIme-sharing of resources by users is usually.

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based on time slices

based on input

event-driven

operated by spooling

The major operational problem of the early first generation computers was

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inaccurate results

poor reliability

delayed results

limited capabilities

Which types of data consists of words ,sentences and paragraphs

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Text

Image

Numeric

Video

Token passing prevents data collisions by.

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Using code to steer tokens around each other

Having multiple tokens take alternate routes.

Allowing only one computer at a time to use the token

Using zones to control network traffic congestion

Diodes are used in analog computer circuit as

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phase shifter

rectifier

binary logic

limiter

The term "time slicing" need not apply to.

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On line transacting processing

Batch processing

Real time processing

None of the above

An arrangement in which data is transmitted in both directions at a time is called

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Simplex

Full duplex

Half duplex

Multi-duplex

The 'Boolean Algebra' is based on the premise that

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there are two states

differential equations can be solved by analog circuits.

either a statement is true or false

arithmetic operations can be carried out

The phase following detail design is,

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preliminary investigation

implementation

system development

system conversion

The clock speed of a computer is measured in.

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megahertz

kilobytes

megabytes

binary digits

According to Idempotent law , x + y = __________

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1

0

x

x . x

In preparing a program, one should first

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plan the solution

code the program

document the problem

define the problem

All of the following are normally input devices except for.

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a digital camera

a mouse

an LCD

a digitizer (scanner)

The part of the computer system which performs the house keeping functions is called

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Interpreter

Compiler

Operating system

Assembler

Which input device is often attached to laptop computers.

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trackball

inscriber

graphics display

wand reader

The concept of using several small disk packs that work together as a unit is

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CD-ROM

RAID

WORM

OMR

Integrated circuits are housed in.

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vacuum tubes

transistors

software

silicon chips

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