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IBM Vacuum Tube Computer

IBM Vacuum Tube Computer

The first computers used vacuum tubes for circuitry and magnetic drums for memory, and were often enormous, taking up entire rooms. They were very expensive to operate and in addition to using a great deal of electricity, generated a lot of heat, which was often the cause of malfunctions (1940-1956).

The first computers used vacuum tubes for circuitry and magnetic drums for memory, and were often enormous, taking up entire rooms. They were very expensive to operate and in addition to using a great deal of electricity, generated a lot of heat, which was often the cause of malfunctions (1940-1956).

Ordilette Motobecane, PC d'Art fait main ! Makes me think of an espresso machine.

Ordilette Motobecane, PC d'Art fait main ! Makes me think of an espresso machine.

eniac vacuum tube computer (1946)

eniac vacuum tube computer (1946)

"Home Computer" of 2004 from Rand in 1950s.  I think they missed the scale of the equipment and power a little with this prediction.

"Home Computer" of 2004 from Rand in 1950s. I think they missed the scale of the equipment and power a little with this prediction.

A first generation tube calculator: BULL GAMMA 3 - technikum29

A first generation tube calculator: BULL GAMMA 3 - technikum29

Computer Tips from A1 Rivoli. What are all those computer connections for? www.nassau-comput...

Computer Tips from A1 Rivoli. What are all those computer connections for? www.nassau-comput...

rare

rare

Impression.

Impression.

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FFFFOUND!

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