Question # 1

The CCITT protocol is the same as

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x.25

Y.25

C25

d25

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 entire computer system is coordinated by.

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the ALU

the accumulator

the control unit

arithmetic operators

Software to persue the Internet

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Gateway

Videoconferencing

Browser

Teleconferencing

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

Memory capacity may be expressed in.

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microseconds

kilobytes

bits

cycles

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

The following register keeps track of the program during execution.

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Address register

Program counter

Data register

Accumulator

SNA is an example of

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De Jure Protocol

De Facto Protocol

Network organization

None

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

Which one is not network topology?

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Star

Ring

Circle

Bus

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

Which of the following will happen when data is entered into a memory location

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It will change the address of the memory location

It will add to the content of the location

It will not be fruitful if there is already some data in that location

It will erase the previous content

Memory is divided into many numerically addressed.

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logic

locations

codes

cells

Which of the following is an example of volatile memory.

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ROM

RAM

PROM

Hard disk

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

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