Class 8th computer 2 question answer
Answers
- What is computer?
- what is mouse?
- what is output devices of computer?
- what is input devices of computer?
- who invented computer?
- Ans.
A computer is an electronic device that manipulates information, or data. It has the ability to store, retrieve, and process data. You may already know that you can use a computer to type documents, send email, play games, and browse the Web.
2. Ans
A mouse is a small hardware input device used by hand. It controls the movement of the cursor on the computer screen and allows users to move and select folders, text, files, and icons on a computer. It is an object, which needs to put on a hard-flat surface to use.
3. Ans
An output device allows data to be transmitted by the computer in a human-friendly form, for example, sound being played through a speaker. Monitor - The main output device of a computer.
4.Ans
input devices include keyboards, mice, scanners, digital cameras and joysticks.
5. Ans
Charles Babbage invent the first computer