A computer is an electronic device that performed numerical calculations as well as logical operations. It is a general purpose device that can be programmed. Computer accepts information and manipulates it for some result based on a program or sequence of instructions on how the data is to be processed. Computer can not do anything without a Program. Now a days computer can be used to type documents, send email, play games, and browse the Web. You can also use it to edit or create spreadsheets, presentations, and even videos.
The word computer is made from the Latin word 'computare', this means machine for calculations. Charles Babbage is considered to be 'father of the computer'. He was the first person who designed mechanical computer that eventually led to more complex designs.
The basic components of a modern digital computer are: Input Device, Output Device, Central Processor Unit (CPU), mass storage device, and memory.
