Oh yes - and for several generations after that. ENIAC, the first mainframe computer, had to be kept in a room with very heavy air conditioning (about 60 degrees) because of the heat generated by all the vacuum tubes.
FIRST GENERATION
25000 vacuum tubes
ENIAC was the first digital general purpose computer, built in 1946, and with 17,468 vacuum tubes. The Illiac I, the first computer built and owned by a US educational institution, had 2800 vacuum tubes. The IBM 604 had about 2000 vacuum tubes.
Machines using vacuum tubes as their active elements.
A diagram that explains the generation of the computer can be found on the Scribd website. First generation computers used vacuum tubes.
first
vacuum tubes are the switching components in the first generation computers to process data. later they were replaced by transistors.
FIRST GENERATION
first generation computers
vacuum tubes
The Second Generation Computer used transistors
History of computer is divided into 5 generation. The first generation of computer started form 1941 till 1956. In this generation vacuum tubes are used in computers and computers are big enough that one computer could be such big as a whole room.
no, first generation computers used vacuum tubes.
First generation computers.