INTROCTION OF COMPUTER AND USES.
HOW TO USE A COMPUPUER EFFECTIVILLY IT SHOULD BE TO KNOW WHAT IS A COMPUTER AND USES computer is a programmable device that stores, retrieves, and processes data . The term "computer" was originally given to humans ( human computers ) who performed numerical calculations using mechanical calculators, such as the abacus and slide rule . The term was later given to mechanical devices as they began replacing human computers. Today's computers are electronic devices that accept data ( input ), process that data, produce output , and store ( storage ) the results ( IPOS ). THE DIAGRAM OF COMPUTER AND BASIC PARTS; Explanation of the parts of input devices in a computer , input device ; is any hardware device that sends data t...