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4

The purpose of vacuum tube was to NOT act like

A. an amplifier

B. a switch

C. a router

D. None of above

Correct Answer :

C. a router


Related Questions

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4

A set of flip flops integrated together is called ____

A. Counter

B. Adder

C. Register

D. None of the above

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4

EPROM can be used for

A. Erasing the contents of ROM

B. Reconstructing the contents of ROM

C. Erasing and reconstructing the contents of ROM

D. Duplicating ROM

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4

A directly accessible appointment calendar is feature of a resident package

A. CPU

B. Memory

C. Buffer

D. ALU

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4

Abacus was the first

A. electronic computer

B. mechanical computer

C. electronic calculator

D. mechanical calculator

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4

Which of the following memories must be refreshed many times per second?

A. Static RAM

B. Dynamic RAM

C. EPROM

D. ROM

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4

The secondary storage devices can only store data but they cannot perform

A. Arithmetic Operation

B. Logic operation

C. Fetch operations

D. Either of the above

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4

Who invented Mark I?

A. Howard Aikin

B. J. P. Eckert

C. John Mauchley

D. John v. Atanasoff

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4

Which is not a basic function of a computer?

A. Store data

B. Accept input

C. Process data

D. Copy text

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4

The proper definition of a modern digital computer is

A. An electronic automated machine that can solve problems involving words and numbers

B. A more sophistic and modified electronic pocket calculator

C. Any machine that can perform mathematical operations

D. A machine that works on binary code

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4

Which of the following memories needs refresh?

A. SRAM

B. DRAM

C. ROM

D. All of above

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4

________are specific to users' needs

A. System software

B. Application software

C. Assemblers

D. Compilers

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4

The first computers were programmed using

A. assembly language

B. machine language

C. source code

D. object code

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4

Which language is directly understood by the computer without translation program?

A. Machine language

B. Assembly language

C. High level language

D. None of above

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4

________ is the key we use to run the selected command.

A. SHIFT

B. TAB

C. ENTER

D. CTRL

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4

Which network is a packet switching network?

A. Ring network

B. LAN

C. Star network

D. EuroNET

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4

A paper printout of a document is known as

A. Softcopy output

B. Hardcopy output

C. Permanent Output

D. All of above

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4

Hard disk is coated in both side with

A. Magnetic metallic oxide

B. Optical metallic oxide

C. Carbon layer

D. All of the above

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4

When was the world's first laptop computer introduced in the market and by whom?

A. Hewlett-Packard

B. Epson, 1981

C. Laplink traveling software In1982

D. Tandy model-2000, 1985

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4

The act of retrieving existing data from memory is called

A. Read-out

B. Read from

C. Read

D. All of above

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4

FORTRAN is

A. File Translation

B. Format Translation

C. Formula Translation

D. Floppy Translation

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4

Which of the following require large computers memory?

A. Imaging

B. Graphics

C. Voice

D. All of Above

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4

Second Generation computers were developed during

A. 1949 to 1955

B. 1956 to 1965

C. 1965 to 1970

D. 1970 to 1990

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4

Which of the following is used as a primary storage device?

A. Magnetic drum

B. Hard Disks

C. All of above

D. Floppy

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4

Which of the following is not input unit device?

A. scanner

B. camera

C. plotter

D. digitizer

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4

CAD stands for

A. Computer aided design

B. Computer algorithm for design

C. Computer application in design

D. All of the above

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4

The earliest calculating devices are

A. Abacus

B. Clock

C. Difference Engine

D. None of these

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4

BCD is

A. Binary Coded Decimal

B. Bit Coded Decimal

C. Binary Coded Digit

D. Bit Coded Digit

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4

An error in computer data is called

A. Chip

B. Bug

C. CPU

D. Storage device

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4

First generation computers used_____ for memory

A. vacuum tubes

B. silicon chips

C. magnetic drum

D. RAM

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4

Who developed a mechanical device in the 17th century that could add, subtract, multiple, divide and find square roots?

A. Napier

B. Babbage

C. Pascal

D. Leibniz