Question # 1

A hard disk can be backed up efficiently using.

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WORM

a transaction file

a tape backup system

zoning

In EBCDIC (extended binary coded decimal interchange code) each character is denoted by

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3 bits

4 bits

5 bits

8 bits

Imaging uses what device to input data:

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Tablet

Icon

Barcode Reader

Scanner

The differential equations are solved by.

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analog computers

digital computers

differential machine

both analog and digital computers

Tool to change PROM chips are called.

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chip kits

RAM burners

PROM burner

none of these

A physical system can be modeled by a set of.

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Boolean equations

logic equations

differential equations

linear algebraic equations

The electromagnetic or light waves representing data are called:

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Reraction

Information

Signals

None

The circuit that is used for parallel to serial conversion is

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decoder

encoder

multiplexer

demultiplexer

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 signals produced by a computer or terminal to be sent over phone lines must be converted to.

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modems

analog signals

digital signals

microwave

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

Which of the following does not support I/O devices

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speaker

OCR

joystick

ALU

Most mainframe computers are basically.

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4 bit machines

8 bit machines

32 bit machines

16 bit machines

The mechanism for reading or writing data in a disk is called

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track

rorational delay

access arm

seek time

Who is regarded as the Father of computers.

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John Napier

Pascal

Charles Babbage

Hollerith

Programming and testing are elements of.

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system analysis

system development

implementation

system design

A search engine is

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A software to search for engines

A device search for motor engine

A website that sells products and services

A website that look through databases for matching criteria

The transfer if encoded information from one location to another by a communication channel is called

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data processing

data distribution

data communication

data encryption

Boolean expression for NOR gate with two inputs x and y can be written as.

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x + y__

x. y

x + y

The music and speech represent the:

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Image Data

Audio Data

Video Data

Text Data

A way of physically organizing data on a disk pack to minimize seek time uses.

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sequential file

removable hard

the cylinder method

Winchester technology

A letter, number, or a special character is represented by a.

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bit

kilobyte

byte

megabyte

Which is not a professional computer job?

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system analyst

programmer

user

data entry operator

Object program is

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A program written in machine language

A program to be translated into machine language

The translation of a high-level language into machine language

None of the above

An inkiet pirnter is an example of a(n):

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LASER printer

Impact Printer

COM printer

NON-Impact Printer

The term 'word' in computer terminology refers to

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bit formed into groups

coded instructions

memory size

language used

Which one the common protocols is used for E-mail?

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FTP

PPP

SMTP

POP

A group of electronic, magnetic, or mechanical devices that store data is called

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register

address

program

software

Which one of the following is a graphical shell?

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UNIX

page

utility program

GUI

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

The language Smalltalk is

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procedural oriented

document oriented

problem oriented

object oriented

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