Question # 1

On a linear bus topology cabling can be extended by using following device

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Network Adapter Card

Barrel Connector

Terminator

Modem Card

The central processing Unit (CPU) comprises of.

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memory, VDU , and printer

input device , output device and memory

store , 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

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

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cards

busses

slots

ports

What does ISDN stands for?

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International Service Data Network

International Service Digital Network

Integrated Service Data Network

Integrated Service Digital Network

The heart of a digital computer is.

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control unit

memory unit

logic unit

visual display unit

Which of the following is an example of volatile memory.

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ROM

RAM

PROM

Hard disk

Bandwidth requirement for human voice is

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100000 to 200000

5000 to 20000

20000 to 30000

25000 to 50000

During E-time the ALU.

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examines the instruction

enters the instruction

executes the instruction

elicits the instruction

Memory capacity may be expressed in.

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microseconds

kilobytes

bits

cycles

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 business conducted with the help of computer network is called

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E-commercial

E-commerce

E-comunication

Nothing

A CPU has.

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control unity consisting of program counter and instruction decoder, and arithmetic unit having accumulator

bubble memory

visual display unit

auxiliary storage unit

Each location in primary storage is assigned a unique.

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data

field

name

address

A computer can be defined as an electronic device that can: (choose the most precise definition).

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carry out logical functions

carry out arithmetical operations

accept and process data using a set of stored instructions

present information on a VDU

The process of executing several programs simultaneously by the use of more than one processing unit is called.

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Multiprogramming

Time sharing

Multiprocessing

Batch processing

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