CHM Revolution

Date Introduced

1971

Photographer

Richards, Mark

Dimensions

4 1/4 x 19 1/4 x 11 1/2 in.

Manufacturer

Kenbak Corporation

Credit Line

Gift of John V. Blankenbaker

Copyright Owner

© Mark Richards

Location

United States

Keywords

Education; Homebrew

Object ID

X703.86

Speed

1 MHz

Memory Type

Semiconductor

Memory Size

256 bytes

Memory Width

8-bit

Cost

$750

John Blankenbaker’s Kenbak-1, winner of The Computer Museum’s “Earliest PC Contest,” used small- and medium-scale integrated circuits, had switches and lights for input/output, and came with 256 bytes of memory. Kenbak Corporation folded in 1973 after selling only 40 computers.