Question # 1

The _______ is the physical path over which a message travels.

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Protocol

Medium

Single

All

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

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track

rorational delay

access arm

seek time

The disk storage that use both magnet and laser beam

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hashing

magneto optical

CD-ROM

WORM

Temporary storage areas within the CPU are called

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ROMs

Registers

Accumulators

Address

In______________communication modes the data communication can take place in only one direction

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Simplex

Half-duplex

Full-deplex

None

The use of computer for business application is attractive because of its

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accuracy

reliability

speed

all of above

A systems analyst would observe the flow of data and interrelations of people within an organization during.

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detail design

preliminary design

systems analysis

a system survey

A graph prepared by a computer.

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Is its output

Is the piece of information to user

Is a hard copy

All of the above

_________Coding schemes use 4 bit code

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Unicode

ASCII

EBCDIC

BCD

A disk pack withing a sealed data module is a.

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Backup unit

Winchester

diskette

CD-ROM

Which of the following FORTRAN statement is valid?

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DIST=VELO * + TIME

HYP ** 2=BASE **2 + PERP ** 2

X = X +1.0

SAL + COMM = 180.0 + PROFIT

The process of converting from analog to digital is called.

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modulation

line switching

telecommuting

demodulation

Which input device is often attached to laptop computers:

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trackball

inscriber

wand reader

graphic display

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

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register

address

program

software

Data is represented on a computer by means of a two-state on/off system called

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the octal system

the binary system

a word

ROM

The card which is used for Internet

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Network card

Modem card

VGA card

Graphic card

A disk pack within a selected data module is a

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backup unit

Winchester

diskette

Cd-Rom

Programs written to cause computers to function in a desired way are called.

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hardware

instruction

software

algorithm

What is telecommuting?

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a special form of electronic mail

a new trend in roboties that may take the place of cars

a trend towards working at home using personal computers and modems

none of these

The number 10000 would appear just immediately after.

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FFFF (hex)

1111 (binary)

7777 (octal)

all of the above

Assigning more sector to outer hard disk is called

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zone recording

randomizing

sectoring

data transfer

A Digitizer uses a mouse like copying device called

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Puck

Push

Pop

Paste

The unit that transform data in informaion is the

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CPU

ROM

DVD

OCR

Logical security for on-line systems is achieved primarily by ________ and authorization codes

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MIS

Passwords

Tactical

None of the above

The first computer to use electrical power was developed by

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Herman Hollerith

Thomas J,Watson

John.V Atanasoff

Howard Aiken

Computer follows a simple principle called GIGO which meas

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Garbage input good output

garbage in garbage out

great instruction great output

good input good output

The number of bytes in the following number (1111, 1011, 0111,0100,1010) is.

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5

2 1/2

10

1 2/4

A device that receives messages is called:

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Transmitter

Receiver

Source

Sender

Four-digit binary number 1011 is represented in the decimal system by.

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7

9

11

13

A COBOL program has how many divisions

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four

two

five

seven

A device used for optical character recognition is

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wand reader

light pen

mouse

micr reader

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