Basic concepts of ICT Unparalleled Wisdom.

A type of computer storage media made from silicon microchips. SSS stores data electronically instead of magnetically, as spinning hard disk drives (HDDs) or magnetic oxide tape do. Hardware Any Physical components of a computer you can touch or feel. Software The Programs that run on a computer system. Operating System Software that manages computer hardware and software resources and provides common services for computer programs. Application Software Software that processes data for the user. MICR Magnetic Ink Character Recognition (Used to read information on Bank Cheques) OCR Optical Character Recognition (Used to read text from scanned documents) OMR Optical Mark Recognition (Used to read marks on special paper such as examination answer sheets) Network An established link between 2 or more computers