The Development of Computing 1951 – 2001

First Generation Computers 1951 – 1959 • Vacuum tube logic. • Magnetic drum or tape storage. • Punched cards used for data inputs. • Programmed in machine language. •  Large, slow and expensive. Second Generation Computers 1959 – 1963 • Discrete transistors replace vacuum tubes. • Magnetic core used for main memory. • Magnetic disk…