IBM/360, Model 20 Core Memory
date: label: Date made
content: 1965
label: date made
content: 1965-1978
name: label: maker
content: IBM
label: maker
content: IBM
notes: label: Description
content: This is one of a group of computer memory devices donated by Michael R. Williams, a magnetic core memory from the IBM/360 Model 20 computer. It consists of a rectangular frame with the memory in the center. The memory is made of red wires with black donut-shaped cores arranged in a grid. The board is sandwiched between two pieces of plexiglass for protection. The IBM/360 was a family of computers of differing capabilities, announced in 1964 and sold successfully from 1965 into the late 1970s.
label: Location
content: Currently not on view
setName: label: See more items in
content: Medicine and Science: Computers
creditLine: label: Credit Line
content: Dr. Michael R. Williams
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1987.0466.06
label: catalog number
content: 1987.0466.06
label: accession number
content: 1987.0466
objectType: label: Object Name
content: Mainframe Computer Component
physicalDescription: label: Physical Description
content: metal (overall material)
label: Physical Description
content: plastic (cover material)
label: Measurements
content: overall: 15.5 cm x 18.1 cm x .12 cm; 6 3/32 in x 7 1/8 in x 1/16 in