Conceptually, the current digital computers are very similar among themselves, since all of them are based on an architecture proposed in 1946 by the American John von Newmann (1903-1957). Now, nearly all current computers can be classified into four basic types: personal computers, workstations, minicomputers and mainframes. Personal computers (Personal Computer, PC) have a size suitable for a desktop and are economically more affordable. Originally, PCs were conceived and designed.. Read More