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Class : 9

Subject : Science

Unit : 13.00 Lesson :Information and Communication Technology

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1.) Differentiate between search engine and browser.

2.) Differentiate between amplitude modulation and frequency modulation.

3.) Name any two devices used in information communication technology.

4.) Name the engineers who developed 'Nepali Sat I'.

5.) What is telecommunication?

6.) What is computer security?

7.) What is ICT? Give some examples of ICT devices.

8.) Define email. Write its advantages over postal mail system.

9.) What is a search engine? Name any two popular search engines.

10.) What is cyberbullying? Write about cyberbullying that you know.

11.) What is computer virus? Write some symptoms of computer virus.

12.) Define anti-virus. Name some popular anti-virus softwares.

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