Question

1) Which device is used to receive signals in form of electromagnetic waves from space and then transmit them in the form of sound?
2) What is built –in computer memory containing data that normally can only be read but not changed called?
3) Which software controls and manages the hardware in a computer?
4) Where does the file or folder you delete from your computer go?
5) What is the name of the campaign launched by the Government of India with the aim of providing government services to citizens electronically by providing improved online infrastructure and Internet connection in the field of technology?
6) What is a monitor? What are its different types?
7) What is mouse?
8) What is the purpose of using a joystick in a computer?
9) How many gigabytes are equal to 1 terabyte?
10) What is RAM?
11) What re the benefits of ICT in business?
12) Discuss the role and importance of using radio in education.
13) What is the difference between a scanner and a printer?
14) What is the purpose of using a Web camera and a printer?
15) What is compact disc? Explain its different types of operating systems used in a computer.
16) Write the steps of creating a folder on the desktop of a computer.
17) Write and explain some common applications of the Internet.​

Answer 1

Answer:

1) Explanation: Radio waves are a type of electromagnetic radiation best-known for their use in communication technologies, such as television, mobile phones and radios. These devices receive radio waves and convert them to mechanical vibrations in the speaker to create sound waves.

Answer 2

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