Definition: 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. What is called Computer: The term computer is derived from the Latin term Computer this means to calculate or programmable machine. Computer can not do anything without a Program. ... The Word 'Computer' usually refers to the Center Processor Unit plus Internal memory. Charles Babbage is called the "Grand Father" of the computer. History of Computers: There is no easy answer to this question due to the many different classifications of computers . The first mechanical computer, created by Charles Babbage in 1822 , doesn't really resemble what most would consider a computer today. Therefore, this page provides a listing of each of the computer f...