Babbage's Difference Engine and other historic computers

Electrodata E-205 (1954)

From the Computer History Museum's description:

"The vacuum-tube based E-205 used a rotating magnetic drum for main memory."

For more information, check out the Computer History Museum's description of this machine.

Photo credit: Jitze Couperus

About Bill Detwiler

Bill Detwiler is Managing Editor of TechRepublic and Tech Pro Research and the host of Cracking Open, CNET and TechRepublic's popular online show. Prior to joining TechRepublic in 2000, Bill was an IT manager, database administrator, and desktop supp...

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