Core memory board

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  • Details
  • Description
Date Introduced
1956
Photographer
Richards, Mark
Dimensions
overall: 1/8 in x 8 1/4 in x 8 1/4 in
Manufacturer
Sperry Rand Corporation. Univac Division
Copyright Owner
© Mark Richards
Location
US
Keywords
Electronic; mechanical; magnetic
Object ID
102716166
Memory Type
Magnetic Core

Early cores were 1/16” in diameter, could be accessed in 5 microseconds, and cost about $1 per bit. Eventually they were 4 times smaller, 10 times faster, and 100 times cheaper.