Computing and computers

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        Computing and computers

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          Computing and computers

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            Computing and computers

              260 Archival description results for Computing and computers

              260 results directly related Exclude narrower terms
              8-inch IBM floppy disk
              8-inch IBM floppy disk
              CERN-OBJ-IT-037 · Item · 1971
              Part of Heritage Collection

              The 8-inch floppy disk was a magnetic storage disk for the data introduced commercially by IBM in 1971. It was designed by an IBM team as an inexpensive way to load data into the IBM System / 370. Plus it was a read-only bare disk containing 80 KB of data. The first read-write version was introduced in 1972 by Memorex and could contain 175 KB on 50 tracks (with 8 sectors per track). Other improvements have led to various coatings and increased capacities. Finally, it was surpassed by the mini diskette of 5.25 inches introduced in 1976.
              8-inch IBM floppy disk
              CERN-OBJ-IT-037 · Item · 1971
              Part of Heritage Collection Test

              The 8-inch floppy disk was a magnetic storage disk for the data introduced commercially by IBM in 1971. It was designed by an IBM team as an inexpensive way to load data into the IBM System / 370. Plus it was a read-only bare disk containing 80 KB of data. The first read-write version was introduced in 1972 by Memorex and could contain 175 KB on 50 tracks (with 8 sectors per track). Other improvements have led to various coatings and increased capacities. Finally, it was surpassed by the mini diskette of 5.25 inches introduced in 1976.
              6250 BPI Magnetic Tape
              CERN-OBJ-IT-044 · Item
              Part of Heritage Collection Test

              These are magnetic coil bands designed by IBM with 6250 BPI. BPI means bits per inch and specifies the data density a magnetic coil can hold.
              6250 BPI Magnetic Tape
              6250 BPI Magnetic Tape
              CERN-OBJ-IT-044 · Item
              Part of Heritage Collection

              These are magnetic coil bands designed by IBM with 6250 BPI. BPI means bits per inch and specifies the data density a magnetic coil can hold.