It's purpose was to act like an amplifier and a switch. Without any moving parts, vacuum tubes could take very weak signals and make the signal stronger (amplify it). Vacuum tubes could also stop and start the flow of electricity instantly (switch). These two properties made the ENIAC computer possible.
IBM
1940s to 1958: vacuum tube computers, primary I/O magnetic tape or punched cards.
Vacuum tube, roughly from 1940s to 1958.
Machine Language (Vaccum Tube)
some first generation computers used germanium point contact diodes in their logic gates to reduce their vacuum tube parts count.second generation computers used discrete germanium or silicon transistors.third generation and later computers use silicon integrated circuits.
forget about outer space...a lot of indoor space.
vacuum tube computers
* == 1st generation vacuum tube look like as a parallel electric bulb. _____ ----_____)
First.
vacuum tube computers
1940s to 1958: vacuum tube computers, primary I/O magnetic tape or punched cards.
ENIAC, short for Electronic Numerical Integrator And Computer was unveiled in 1946.The first personal computer, called the IBM PC was released in 1981
Eniac generation 1940s to about 1958, vacuum tube logic circuits.
Yes, those were first generation vacuum tube computers.
the vacuum tube
Vacuum tube, roughly from 1940s to 1958.
Machine Language (Vaccum Tube)
some first generation computers used germanium point contact diodes in their logic gates to reduce their vacuum tube parts count.second generation computers used discrete germanium or silicon transistors.third generation and later computers use silicon integrated circuits.