Question # 1

_______ is a photoelectric scanner that translate the barcode symbol into digital code.

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MICR

Barcode Reader

OCR

OMR

The Barcode is called

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Universal product code

EBCDIC code

ASCll Code

Unicode

A connection of same type of network is

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Bridge

Repeater

Gateway

Router

IBM's System/360 family of computers was introduced during the.

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1950s

third generation

second generation

1990s

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

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Protocol

Medium

Signal

All of the above

A computer drive its basic strength from

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speed

accuracy

memory

all of above

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

The unit that transform data in informaion is the

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CPU

ROM

DVD

OCR

According to absorption law x. (x+y) =

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x

y

1+x

1+y

How many pairs of computers can simultaneously communicate on Ethernet LAN?

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1

2

3

multiple

A conceptual error in a program is a/an

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Logical error

Execution error

Syntactical error

None of the above

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

The disadvantage of analog computer over the digital computer lies in its.

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set up being closely resembling the physical system

having parallel structure and low cost

being readily tied up with a physically system without using expensive inter phase

need for scaling, limited number of units, limited accuracy

Light sound and radio waves are examples of :

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Analog Signals

Digital Signals

Simple Signals

None

Alphanumeric characters are expressed in terms of binary codes. In ASCII (American standard Code for Information Interchange) each character is represented as a

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8 bit code

4 bit code

5 bit code

7 bit code

The FORTRAN equivalent of the mathematical expression ab/cd is.

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A * B / C * D

A.B / C.D

A * B / (C*D)

A*B/B*D

How many pairs of computers can simultaneously communicate on Ethernet LAN

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1

3

Multiple

4

The corresponding memory spaces for pages are called

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page utility

page frames

page blocks

page modules

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 basic operation performed by the computer is called

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arithmetic operation

logic operation

storage and retrieval operation

all of above

Real time system

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are effective in process control

process transactions by means of direct-access devices

process data in manner similar to batch-access devices

are not possible to achieve control

Loading the operating system into a personal computer is called

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booting

prompting

interrupting

paging

Data transmission speed of wire pair is

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9600 bps

9500 bps

3600 bps

3500 bps

Base 8 is often used in computing because.

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there are 8 bit in a byte

calculations become easier by using base 8

electronic circuits can be made econmically

it can represent long strings of binary 1's an 0's in a more compact form

Which of the following is an example of volatile memory.

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ROM

RAM

PROM

Hard disk

In time division Multiplexing.

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Time is doubled between bits of a byte

Time slicing at CPU level takes place

Total time available in the channel is divided between users and each user is allotted a time slice

None of above

After starting the solution to a problem is pesudocode, the next step would be

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testing the program

coding the program

documenting the program

translating the program

To most commonly used output device today is a.

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CRT monitor

keyboard

mouse

card punch

An organic chip is called a.

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storage chip

biochip

microchip

silicon chip

Computer is a combination of:

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Software

Hardware

Both A and B

None

A bootstrap is.

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the flat cable that connects the CPU to the printer

the flat cable from the disk controller card to the disk drive

additional memory device

a small initialization program to start up the computer

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