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English 18 Public

Early Devices, Computer System, Storage Devices

Study Slideshow

What is the oldest known device?

Abacus

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Who invented the Napier's bone device?

John Napier

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Which is NOT a true statement? a. Computer is a system b. Computer has storage devices c. Computer has no use

c. Computer has no use

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Who invented the Pascaline?

Blaise Pascal

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The computer can work without electricity. TRUE or FALSE

FALSE

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Computers can store work and show it to them back again when needed. TRUE or FALSE

TRUE

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The “brain” of a computer called the main memory. TRUE or FALSE

FALSE

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The meaning of CPU is Central Processing Uniform. TRUE or FALSE

FALSE

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CD/DVD ROM drive is attached in the monitor. TRUE or FALSE

FALSE

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It turns the computer ON and OFF. a. power switch b. CD/DVD Rom drive c. reset button

a. power switch

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It covers the system unit. a. casing b. DVD ROM drive c. L.E.D Indicator Lights

a. casing

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It starts the computer all over again without turning it off. a. ports b. power switch c. reset button

c. reset button

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It indicates that the computer is in processing mode. a. casing b. disk drive c. L.E.D Indicator lights

c. L.E.D Indicator lights

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These are the sockets at the back of the system unit. a. holes b. ports c. cords

b. ports

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It functions as the "brain" of the computer.

CPU

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The whole system of the computer is called ________.

system unit

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