History of computers By Sheila_machaca 1942 Vacuum tubes A vacuum tube consists of a glass bulb and wire. The wire is used to carry data in the form of electronic signals Period: 1942 to 1955 Fist-generation computers Period: 1956 to 1964 second generation of computers
A vacuum tube consists of a glass bulb and wire. The wire is used to carry data in the form of electronic signals