Question

What is harmful and useful device in computer

Answer 1

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A computer is an electronic device that manipulates information or data. It has the ability to store, retrieve and process the data.

Uses Of Computer

To control large and small machines, in past humans were controlled.

Playing computer games.

Writing.

Solving mathematics.

Looking for things on the Internet.

Watching TV and movies.

Listening to music.

Communicating with other people.

Downloading.

Harmful-:
The wireless devices have become the integral part of our everyday life. Thesedevices are being used for many purposes such as for Internet and Telecommunication. ... These devicesemit the harmful radiations which cause the diseases like male infertility, brain tumor, hearing impairment, fetus, effect on eyes, etc
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Answer 2

Answer

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Harmful Effects :- Over the long term, computer addiction can cause physical damage. Using a mouse and keyboard for many hours every day can lead to repetitive stress injuries. Back problems are common among people who spent a lot of time sitting at computer desks.

Useful Effects :- Computers have revolutionized the everyday access of information, whether for business, scientific or personal use.

It is a Automated Machinery. It is Fast, Accurate Data Processing.

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