introduction about computer
Introduction of computer:- A computer is an electronic device. A computer is a man-made electronic device which reads, stores and processes data to produce meaningful information as output. it is made of English word 'to compute'. it operates under the control of a set of instructions that is stored in its memory unit. A computer is a collection of hardware and software components that helps us to accomplish many different tasks. computer can not works on their own. They do what we want them to do, only we give them the right command . its memory is better than human memory. The generations of computers The first generation : 1946 to 1958:- The first generation computers were huge, slow, expensive and often undependable and used 'VACCUM TUBES' in CPU's. The second generation: 1959 to 1964 :-Tra...