Hardware

Июль 31, 2022

Содержание

2. Plan of presentation 1. Definition of the hardware 2. Parts of the hardware: a) Input hardware
3. Definition of hardware Webster's dictionary gives us the following definition of the hardware – the mechanical,
4. Input hardware The purpose of the input hardware is to collect data and convert it into
5. Input hardware consists of the following elements : light pen, typewriter, mouse, microphone , digital camera
6. Output hardware The purpose of output hardware is to provide the user with the means to
7. Output hardware consists of the following elements : printer, monitor, etc. Printer is a computer output
8. Storage hardware The purpose of storage hardware is to store computer instructions and data in a
9. Storage hardware consists of the following elements : Hard disk (HDD), floppy disk and CD –
10. Processing hardware The purpose of processing hardware is retrieve , interpret and direct the execution of
11. Processing hardware consists of the following elements : Central Processing Unit (CPU), RAM , ROM .
12. Clearly, it was impossible to imagine life today without hardware because it remain of primary concern
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Слайд 2

Plan of presentation
1. Definition of the hardware 2. Parts of the hardware: a) Input hardware b) Output hardware c) Storage hardware d) Processing hardware 3. Conclusion

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Definition of hardware
Webster's dictionary gives us the following definition of the hardware – the

mechanical, magnetic, electronic and electrical devices composing a computer system.

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Input hardware
The purpose of the input hardware is to collect data and

convert it into a form suitable for computer processing.

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Input hardware consists of the following elements : light pen, typewriter, mouse, microphone , digital camera ,

etc . The light pen uses a light sencitive photoelectric cell to signal screen position to the computer.

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Output hardware
The purpose of output hardware is to provide the user

with the means to view information produced by the computer system.

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Output hardware consists of the following elements : printer, monitor, etc. Printer is a computer output device that

produces a paper copy of data or graphics.

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Storage hardware
The purpose of storage hardware is to store computer instructions and

data in a form that is relatively permanent.

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Storage hardware consists of the following elements : Hard disk (HDD), floppy disk and CD – ROM. CD – ROM is a compact disc on

a which a large amount oof digitized read-only data can be stored.

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Processing hardware
The purpose of processing hardware is retrieve , interpret and

direct the execution of software instructions provided to the computer.

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Processing hardware consists of the following elements : Central Processing Unit (CPU), RAM , ROM . CPU

is the brain of the computer.

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Clearly, it was impossible to imagine life today without hardware because it remain

of primary concern to most young people today.