Question # 1

Which of the following variable name is legal?

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PAK 123

A * B

COMPUTER

A/B

A computer has very high speed ,accuracy,and reliability ,Its intelligent quotient could be of the order of

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0

10

15

20

Temporary storage areas within the CPU are called

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ROMs

Registers

Accumulators

Address

The number of inputs to full adder are

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1

2

3

4

A computer drive its basic strength from

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speed

accuracy

memory

all of above

Excess-3 code is known as

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Weighted code

cyclic redundancy code

algebraic code

self complementing

Logical multiplication refers to operation of.

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OR gate

AND gate

NOT gate

inverter gater

A color screen with the best resolution has the most.

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CRT

VGA

COM

pixel

A Digitizer uses a mouse like copying device called

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Puck

Push

Pop

Paste

A pictorial screen symbol that represent a computer activity is called

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pointer

touch screen

icon

miicr

DASD refers to

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disk storage

track

tape storage

sorting

Which of the following is an example of volatile memory.

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ROM

RAM

PROM

Hard disk

The correct order of data hierarchy is

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bit-byte-record-field-file-data base

bit-byte-file-record-field-data base

bit-byte-field-record-file-data base

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

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

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

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7

9

11

13

Pick up the wrong statement in the analogy of mechanical and electrical devices.

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resistance is analog of damping

inductance is analog of mass

capacitance is analog of spring

charge is analog of displacement

To send data, instruction and information you need a

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Sending device

Receiving device

Channel device

Communication signal

BIT stands for:

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Binary integer

Binary Digit

Binary Interval

None of the above

Tool to change PROM chips are called.

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chip kits

RAM burners

PROM burner

none of these

The process of converting from analog to digital is called.

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modulation

line switching

telecommuting

demodulation

A device that receives messages is called:

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Transmitter

Receiver

Source

Sender

Which one of the following is a graphical shell?

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UNIX

page

utility program

GUI

The presence of both data and its related instructions in an object is

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C++

encapsulation

orientation

inheritance

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

Laser beam technology is used in one of the following

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Monitors

Magnetic Disk

Optical Disks

Mouse

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

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CD-ROM

RAID

WORM

OMR

In Boolean algebra A.A.A.A.A

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5A

A

A⁵

1

An analog computer can be worked directly with.

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magnetic tapes

punched card

magnetic disk

none of the above

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

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1950s

third generation

second generation

1990s

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

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