Computer input and output devices
- 3. Computer is an electronic device which is capable of receiving information (data) in a particular form and of performing a sequence of operations in accordance with a predetermined but variable set of procedural instructions (program) to produce a result in the form of information or signals.
- 4. A person who makes calculations, especially with a calculating machine. A computer looks like--
- 5. Graph of computer usage between 1800-2010--
- 6. Lets come to enemy of computer. The enemy of computer is-
- 7. When virus come to our computer our computer is like- To protect our computer from virus we use- ANTIVIRUS Some popular Antivirus companies are-
- 9. 1.RAM
- 11. 3.Floppy disk
- 12. 4.Hard disk
- 14. 6.Mouse
- 15. 7.Keyboard
- 16. 8.Moniter
- 17. 9.Printer
- 18. 10.Speakers
- 19. 11.Modem
- 20. 12. UPS - Uninterrupted Power Supply
- 22. 1.INPUT DEVICES DEFINATION- In computing, an input device is any peripheral (piece of computer hardware equipment) used to provide data and control signals to an information processing system such as a computer or other information appliance.
- 23. 1.KEYBOARD
- 24. 2.Image scanner
- 25. 3.MICRO PHONE
- 27. 5.JOYSTICK
- 28. 6.LIGHT PEN
- 29. 7.MOUSE
- 30. 8.POINTING STICK
- 31. 9.TOUCH PAD
- 32. 10.TRACK BALL
- 33. 11.WEBCAM
- 35. 2.OUTPUT DEVICES DEFINATION- An output device is any piece of computer hardware equipment used to communicate the results of data processing carried out by an information processing system (such as a computer) which converts the electronically generated information into human-readable form.
- 36. 1.MONITER
- 38. 3.PRINTER
- 39. 4.SPEAKERS
- 40. 5. PLOTTER