An input device is an electromechanical device that accepts data from the outside world and translates them into a form, which a computer can interpret. They act as an interface between the computer and the user. The modern computer system can take input in various forms such as text, number, sound, picture, video, etc.

The keyboard is considered the main input device in a computer system. The keyboard is just like a type-writer. The keyboard is attached to the computer system with the help of a cable. Each key of the keyboard, when pressed, sends a different signal to the processor. The keyboard has many types of keys.

Accessories (Devices) and Data Handling – Computer Fundamentals and Application

In this “Accessories (Devices) and Data Handling – Computer Fundamentals and Application” you will learn about the following topics:

  1. Input Accessories (Devices)
  2. Keyboard
  3. Pointing Devices (Point and Draw Devices)
  4. Mouse, Trackball, Light Pen, Joystick, Touch Screen
  5. Data Scanning Devices
  6. Image Scanner, Optical Character Recognition (OCR) Device, Optical Mark Reader (OMR), Bar Code Reader, Magnetic-Ink Character Recognition (MICR)
  7. Digitizer
  8. Electronic Card Reader
  9. ATM (Automated Teller Machines), POS (Point of Sale)
  10. Speech Recognition Devices
  11. Vision Input System
  12. Output Accessories (Devices)
  13. Monitor or VDU (Video Display Unit)
  14. CRT Monitor, LCD Monitor, Plasma Displays, Light Emitting Diode (LED) displays
  15. Printer
  16. Impact Printer, Non-Impact Printer, Difference between Impact Printer and Non-Impact Printer, Character Printer, Line Printer, Page Printer, Dot-Matrix Printer, Ink-Jet Printer, Thermal Printer, Laser Printer, Drum Printer, Chain/Band Printer
  17. Plotter
  18. Drum Plotter, Flat-Bed Plotter, Ink-jet Plotter, Cutting Plotter
  19. Computer Output Microfilm (COM)
  20. Screen Image Projector
  21. Voice Response Systems
  22. Voice Reproduction System, Speech Synthesizer
  23. Ergonomically Designed Devices
  24. How To Buy A Computer (Detailed Configuration)?
  25. Computer Network
  26. Advantages of Computer Network, Disadvantages of Computer Network
  27. Types of Networks
  28. Personal Area Network (PAN), Local Area Network (LAN), Metropolitan Area Network (MAN), Wide Area Network (WAN), Campus Area Network
  29. Network Topologies
  30. Bus Topology, Star Topology, Ring Topology, Tree Topology, Mesh Topology, Cellular Topology
  31. Introduction of Internet
  32. Services Provided By the Internet, Advantages of the Internet, Disadvantages of Internet
  33. Introduction of E-mail
  34. Uses of Email, Advantages of Email, Disadvantages of Email



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