➜A COMPUTER is a machine or DEVICE that performs processes, calculations and operations based on instructions provided by a software or hardware program. It is designed to execute applications and provides a variety of solutions by combining integrated hardware and software components.

➜Computer - Overview Today’s WORLD is an information-rich world and it has become a necessity for everyone to know about computers. ➜A computer is an electronic data processing device, which accepts and stores data input, processes the data input, and generates the OUTPUT in a required format.

Keyboard : This is an input device which is used to input the data into the computer. Mouse : This is also an input device which is used to input the data into the computer. Monitor : This is an output device which is used to show the result of the instructions.

➜A computer is a great invention of the modern TECHNOLOGY. It is generally a machine which has capability to store large data value in its memory. It works using input (like keyboard) and output (like printer) devices.