Question # 1

Bandwidth requirement for human voice is

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100000 to 200000

5000 to 20000

20000 to 30000

25000 to 50000

Wrong Statement.

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Information stored in RAM can be changed by over writing it

Information stored in ROM cannot be changed by over writing it

Information can be stored in any location of RAM

Computer main memory can be accessed only sequentially

Which is not associated with the main memory of computer.

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semiconductor memory

core memory

read only memory

sequential memory

A bootstrap is.

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a memory device

a device to support the computer

a small initialization program to start up a computer

an error correction technique

A CPU has

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control unit consisting of program counter and instruction decoded,and arithmetic unit having accumulator.

bubble memory

visual display unit

auxiliary storage unit

A device which connects multiple nodes to the network is

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A modem

A Hub

A repeater

A router

The highest layer of OSI model is

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Physical layer

Network layer

Presentation layer

Application layer

Each location in primary storage is assigned a unique.

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data

field

name

address

The unit that transform data in informaion is the

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CPU

ROM

DVD

OCR

Which of the following is an example of volatile memory.

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ROM

RAM

PROM

Hard disk

A network that covers small geographic area or single or group of buildings is called

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WAN

LAN

Bridge

Gateway

Which one the common protocols is used for E-mail?

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FTP

PPP

SMTP

POP

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

During E-time the ALU.

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examines the instruction

enters the instruction

executes the instruction

elicits the instruction

A network that covers large area, city, country and World is called

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LAN

WAN

Router

Bridge

Computer operations are synchronized by.

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the CPU clock

megabytes

the binary system

E-time

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ECAT Computer Science Chapter 2 Digital Computer Fundamentals Online Test MCQs With Answers

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