Introduction and Basics
Definition : Computer is an electronic device which accepts the data, processes it and gives us output.
Input devices are used to input data in system.
Following are some common known input devices
Magnetic Ink Character Reader in banks [MICR] OMR Optical Mark Reader (Competitive exams OMR sheets)
Output devices are used to give output to user.
Following are some common known output devices
Monitor (Screen, VDU Visual Display Unit)