Question # 1

Hellerith's Tabulating Machine company eventually became.

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IBM

AT & T

Apple

General Electric

One Megabyte is equivalent to.

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2¹⁰bytes

2²⁰bytes

2³⁰bytes

none of these

SNA stands for

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Simple Network Adapter

System Network Arhitecture

System Network Application

Small Network Application

The digits used for hexadecimal number system are.

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A through Z

1 through 16

0 through 15

0 through 9 and A through F

A typical microcomputer has 64 K memory. It has 65,536 registers,each register storing 1 byte Each register is called

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memory location

address

byte

word

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x . y

x + y

x . y

PDP-5,PDP-8,IBM-360 series and IBM-370 series belong to the.

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first generation computers

second generation computers

third generation computers

fourth generation computers

Which of the following operations are used by Boolean algebra.?

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Boolean addition

Boolean multiplication

Boolean complementation

All of the above

A disk pack within a selected data module is a

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backup unit

Winchester

diskette

Cd-Rom

A digital computer performs its computation by

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mechanical means

analogy

guessing

counting

Which of the following is the example of sequential circuit

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flip-flop

counter

shift register

accumulator

The cursor can be moved rolling this device on a flat surface.

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mouse

wand reader

trackball

interactive tablet

A color screen with the best resolution

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MICR

VGA

SVGA

LCD

The hexadecimal number system is widely used in analyzing and programming in.

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analog computers

binary computers

decimal computers

micro computers

The first few working computers.

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were all made by American scientists

were used almost exclusively for text processing

generally had black and white CRT screen

were, for the most part, developed for wartime uses

Pick out the correct definition of buffer.

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Buffer is a hardware device that stores data outside the CPU

Buffer is that portion of the CPU memory which stores program instructions

Buffer is a temporary storage between the CPU memory and a peripheral device

Buffer is a device to convert input data into a computer readable form

The device used with satellite transmission that ensures that strong outgoing signals do not interface with weak incoming signals is called a.

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microwave

transponder

cable

modem

___________ devices is used chek and process the test marks of students

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OMR

Barcode Reader

An example of smart card

MICR

A digital computer system consists of a central processing unit (CPU) interfaced with.

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input devices

auxilary storage

output devices

all of the above

IBM-1401, CDC-6600, IBM-7030 etc. belong to the.

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first generation computers

second generation computers

third generation computers

fourth generation computers

A color screen with the best resolution has the most.

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CRT

VGA

COM

pixel

Computers that are used in consumer goods, such as cars, are called.

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enchanced

software

analog

embedded

Logical addition refers to operation of

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OR gate

AND gate

NOT gate

invertr gate

Data us transmitted block by block in

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Asynchronous mode

Synchronous mode

Communication mode

Satellite mode

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

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MICR

Barcode Reader

OCR

OMR

The computer programe consists mainly the following number of parts

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2

3

4

5

A network of geographically distant computers and terminals is called a.

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bus

WAN

gateway

LAN

If electrical power supply to a computer system is inadvertently disrupted, the serious damage would occur to.

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CPU

disk

CRT

printer

Information travels between components of a computer through groups of wires called.

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cards

busses

slots

ports

Who invented the modem?

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IBM

DEC

AT&T information System, USA

Apple computers Inc

Implementation of a program involves

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Compilation of the program

Debugging the program

Testing the program with data

All of the above

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