Question # 1

The physical parts of a computer system are called.

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software

input

output

hardware

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

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Touchscreen

Light Pen

Pointing Stick

Joystick

The media Access Control sublayer resides in which OSI layer?

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Physical

Data Link

Network

Transport

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

Electronic banking.

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token ring

Mosaic

EFT

BBS

All of the following are normally input devices except for.

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a digital camera

a mouse

an LCD

a digitizer (scanner)

The speed at which a disk can find data being bought is called

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access time

data transfer rate

direct time

cylinder time

The time between the user's request and the computer's reply

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concurrent time

response time

allocation time

event time

A built in number that identifies a location in storage.

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character

word

byte

address

The half adder circuit has

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one input

two inputs

three inputs

always more than two inputs

The encoding scheme of data represent as

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EBCDIC code

ASCII code

Unicode

All of the above

Which types of data consists of words ,sentences and paragraphs

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Text

Image

Numeric

Video

The heart of the digital computer is

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control unit

memory unit

logic unit

visual display unit

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

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C++

encapsulation

orientation

inheritance

Computers that are used to control temperature and humidity in buildings are considered to be.

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Software

special-purpose

non-programmable

analytical engines

The part of the computer system which performs the house keeping functions is called

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Interpreter

Compiler

Operating system

Assembler

The central processing unit comprises of

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memory ,VDU and printers

input devices output devices and memory

software arithmetic and logic unit,and control unit

software,hardware,and power supply unit

Which of the following topologies is passive?

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Star topology

Ring topology

Bus topology

Hybrid topology

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x . y

x + y

x . y

For calculating taxes, input to a computer could be.

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numbers representing wages

income

tax tables

all of the above

The corresponding memory spaces for pages are called

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page utility

page frames

page blocks

page modules

Object program is

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A program written in machine language

A program to be translated into machine language

The translation of a high-level language into machine language

None of the above

Which of the following is the example of sequential circuit

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flip-flop

counter

shift register

accumulator

Which type of computer operates by directly counting numbers.

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special purpose

analog

digital

hybrid

The ENIAC, using ABC principles, was designed by.

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Charles Babbage

Bell Laboratories

John V. Atanasoff

Mauchly and Eckert

How many input leads will be required for a chip containing four two-input Not gates?

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7

14

12

13

A one color screen on a black background is called

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monochrome

addressable

blank

lcd

The function of an OP code is.

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To instruct the CPU

To translate a mnemonic

Operate the I/O devices

To act as a buffer

A digital computer system consists of a central processing unit interfaced with

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input devices

auxiliary storage

output devices

all of above

The five basic parts of a computer system are

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hardware, software, memory,VDU, and magnetic tape

store,arithmatic and logic unit, control unit, input device, and output device

CPU, ALU,software,firmware, and operating system

data bus,control lines,address bus,memory, and printer

A collection of related fields in data organizing is called

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group

register

file

record

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