Generation of computers
Computer An automatic electronic machine used for making calculations for controlling operations that are expressible in numerical or logical terms. Ancestor of computer § Mechanical § Electromechanical Mechanical computer An example of mechanical computer is PASCALINE. This is also known as arithmetic machine. It was described in 1624. Charles Babbage discovered two types of mechanical computer. The first one is difference engine and the second one is analytical engine. The first programmer in analytical engine was Lady Ada Lovelace. The first electromechanical computer is the Mark-1. Generation of computer Computers can be classified based on the technology used, switching device used, storage device used, switching time used and software developed etc. This can be considered as generation of computers. First Generation In first generation of computers vacuum tubes are used as active devices. Vacuum tubes generate great heat. So the operat...