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C CO OM MP PU UT TE ER R B BA AS SIIC CS SW WO OR RK KS SH HE EE ET T –– 0 01 1 A

is a

machine

that can process some

program, generating

output data. is the binary language based

The internal language used by the in in an

input data, following a

, . A“1” means an electric pulse and a “0” means no electric pulse as

electrical circuit.

A lightbulb

is like a

“1” and a lightbulb

is like a “0”. that can input,

We can recognize different kinds of devices in a

output, process or storage data. An

INPUT

device

allows

us

to

introduce

information into the computer. An example is a mouse. An

OUTPUT

device allows us to view the information

generated by the computer. An example is a printer. The

process

devices are those whose function is to

process data following a stored program. The main example is the motherboard. And finally, if you want to store your output data, you can use a

storage device. The main example of this kind

of devices is the Hard Disc.


INPUT DEVICES

SCANNER

W E B C AM

MO U S E

KEYBOARD

MICROPHONE

OUPUT DEVICES

MONITOR

LOUD SPEAKERS

PRINTER

PROJECTOR

PROCESS DEVICES

SOUND CARD

VIDEO CARD

MOTHERBOARD

MICROPROCESSOR

STORAGE DEVICES

FLOPPY DISC

COMPACT DISC OR DVD

HARD DISC

PEN DRIVE OR FLASH DISC

hard_worksheet  

Hardware worksheet

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