NOTE****Computer Word Come from “Latin” Word “Compute”.****
What is computer?
Computer is an electro machine calculating device, through the input device we can store data in CPU, then processing them though Central processing Unit and calculate or displayed result though the output device, It is called computer.
Data and instructions are entered into a computer through input device. The commonly input devices are the keyboard.
Example of others input devices are mouse, OMR, MICR and Scanner etc.
Write about keyboard.
The keyboard is one of the most common input devices which are used in almost all computers. Data and program are entered into a computer though keyboard. Layout of a keyboard is similar to the keyboard of type is writer. It contains alphabet, digits, special character, function key and some control keys.
Write about mouse:
Mouse is the most popular input device that is used to point and select an option on the computer screen.