Question # 1

Assuming 8 bit for data, 1 bit for parity, 1 start bit and 2 stop bits, the number of characters that 1200 BPS communication line can transmit.

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10 CPS

120 CPS

12 CPS

none of these

Pointing devices are

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Mouse

Trackball

Touch Screen

All of the above

Raw data is processed by the computer into.

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number sheets

updates

paragraphs

information

The main advantage of analog computers compared to digital computers is that they are more.

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efficient in continuous calculations such as differentiation and integration

efficient in handling vast data

accurate and precise

reliable

Personal computer users may wish to increase their hard disk storage capacity with.

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higher density

DAT

read only media

removable hard disk cartridge

Graphics and other paperwork can be transmitted directly using which technology?

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CSMA/CD

token passing

facsimile

bulletin board

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

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

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Simplex

Half-duplex

Full-deplex

None

Which is not a professional computer job?

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system analyst

programmer

user

data entry operator

A disk pack within a selected data module is a

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backup unit

Winchester

diskette

Cd-Rom

________ key is used to cancel the current operation

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Alt

Caps Lock

Ese

Num lock

What best describes a bus topology network?

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The number of computers on the network does not affect performance

Easier to troubleshoot than other topologies

Needs significantly more cabling than other topologies

Media is inexpensive and easy to work with

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

Data processing is also called :

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Data computing

Information technology

Information system

Calculating

The process of transferring data from one location to another is called:

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Data processing

Data Computing

Data communication

Data sequencing

Select the statement which is most correct about printer drivers.

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There is one universal printer driver that will allow full functionality of all printers

All printers made by a specific printer manufacturer can always use the same printer driver and have full functionality

A laser printer driver from one manufacturer will provide full functionality for all laser printers regardless of the manufacturer.

There is a specific printer driver designed for every model of printer that will allow the full functionality of that model of printer

Memory capacity may be expressed in.

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microseconds

kilobytes

bits

cycles

______input device is not a pointing device

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Scanner

Pointing Stick

Digitizing Tablet

Touchpad

The basic operation performed by the computer is called

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arithmetic operation

logic operation

storage and retrieval operation

all of above

A program or set of programs that is specially designed to control the computer system is called:

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System software

Application

Freeware

Shareware

Assigning more sector to outer hard disk is called

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zone recording

randomizing

sectoring

data transfer

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

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

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Touchscreen

Light Pen

Pointing Stick

Joystick

The heart of a digital computer is....

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control unit

memory unit

logic unit

visual display unit

A computer can't do anything without.

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program

Input device

Output device

VDU

Testing of each individual program or module is called.

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program testing

volume testing

system testing

unit testing

Rearranging of data in sequence is called

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updating

editing

batching

sorting

Pictures on a monitor are composed of tiny dots called.

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a pixels

CRTs

VDTs

elements

An electronic device that accepts. process data and produces information is called

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input devices

computer

output devices

operating system

If A and B are two 1-bit numbers, what logic gates will be required to test for A=B?

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NOR gate

EXCLUSIVE OR gate

EXCLUSIVE NOT gate

OR gate

The _____________ is the physical path over which the message travels :

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Protocol

Medium

Signal

All of the above

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