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- IBM_7_track abstract "IBM's first magnetic tape data storage devices, introduced in 1952, use what is now generally known as 7 track tape. The magnetic tape is 1/2" wide and there are six data tracks plus one parity track for a total of seven parallel tracks that span the length of the tape. Data is stored as six-bit characters, with each bit of the character and the additional parity bit stored in a different track.These tape drives were mechanically sophisticated floor-standing drives that used vacuum columns to buffer long U-shaped loops of tape. Between active control of powerful reel motors and vacuum control of these U-shaped tape loops, extremely rapid start and stop of the tape at the tape-to-head interface could be achieved. When active, the two tape reels thus fed tape into or pulled tape out of the vacuum columns, intermittently spinning in rapid, unsynchronized bursts resulting in visually striking action. Stock shots of such vacuum-column tape drives in motion were widely used to represent "the computer" in movies and television.".
- IBM_7_track thumbnail IBM_704_mainframe.gif?width=300.
- IBM_7_track wikiPageExternalLink 701_1415bx26.html.
- IBM_7_track wikiPageExternalLink 701_1415bx27.html.
- IBM_7_track wikiPageExternalLink magtape.
- IBM_7_track wikiPageExternalLink OLDTAPELARGE.JPG.
- IBM_7_track wikiPageID "6095952".
- IBM_7_track wikiPageLength "5557".
- IBM_7_track wikiPageOutDegree "30".
- IBM_7_track wikiPageRevisionID "661896974".
- IBM_7_track wikiPageWikiLink 9_track_tape.
- IBM_7_track wikiPageWikiLink FSQ-7.
- IBM_7_track wikiPageWikiLink FSQ-7_Combat_Direction_Central.
- IBM_7_track wikiPageWikiLink BoPET.
- IBM_7_track wikiPageWikiLink Category:History_of_computing_hardware.
- IBM_7_track wikiPageWikiLink 7000_series.
- IBM_7_track wikiPageWikiLink Category:IBM_storage_devices.
- IBM_7_track wikiPageWikiLink Category:Tape-based_computer_storage.
- IBM_7_track wikiPageWikiLink IBM.
- IBM_7_track wikiPageWikiLink IBM_1400_series.
- IBM_7_track wikiPageWikiLink 7000_series.
- IBM_7_track wikiPageWikiLink IBM_701.
- IBM_7_track wikiPageWikiLink IBM_702.
- IBM_7_track wikiPageWikiLink IBM_726.
- IBM_7_track wikiPageWikiLink IBM_727.
- IBM_7_track wikiPageWikiLink IBM_728.
- IBM_7_track wikiPageWikiLink IBM_729.
- IBM_7_track wikiPageWikiLink IBM_7330.
- IBM_7_track wikiPageWikiLink IBM_9_Track.
- IBM_7_track wikiPageWikiLink 360.
- IBM_7_track wikiPageWikiLink Magnetic_tape.
- IBM_7_track wikiPageWikiLink Magnetic_tape_data_storage.
- IBM_7_track wikiPageWikiLink PET_film_(biaxially_oriented).
- IBM_7_track wikiPageWikiLink Vacuum_tube.
- IBM_7_track wikiPageWikiLink Write_protection.
- IBM_7_track wikiPageWikiLink File:IBM_704_mainframe.gif.
- IBM_7_track wikiPageWikiLink File:IBM_729_restored.jpg.
- IBM_7_track wikiPageWikiLink File:Tapeprotection.jpg.
- IBM_7_track wikiPageWikiLink File:Tapesticker.jpg.
- IBM_7_track wikiPageWikiLinkText "7 Track".
- IBM_7_track wikiPageWikiLinkText "7 track".
- IBM_7_track wikiPageWikiLinkText "7-track format".
- IBM_7_track wikiPageWikiLinkText "7-track tape".
- IBM_7_track wikiPageWikiLinkText "7-track".
- IBM_7_track wikiPageWikiLinkText "Early IBM tape drives".
- IBM_7_track wikiPageWikiLinkText "IBM 7 track".
- IBM_7_track wikiPageWikiLinkText "seven parallel tracks".
- IBM_7_track wikiPageWikiLinkText "seven-track tape".
- IBM_7_track wikiPageWikiLinkText "seven-track tapes".
- IBM_7_track hasPhotoCollection IBM_7_track.
- IBM_7_track wikiPageUsesTemplate Template:Clear.
- IBM_7_track wikiPageUsesTemplate Template:Magnetic_tape_data_formats.
- IBM_7_track subject Category:History_of_computing_hardware.
- IBM_7_track subject 7000_series.
- IBM_7_track subject Category:IBM_storage_devices.
- IBM_7_track subject Category:Tape-based_computer_storage.
- IBM_7_track type Computer.
- IBM_7_track comment "IBM's first magnetic tape data storage devices, introduced in 1952, use what is now generally known as 7 track tape. The magnetic tape is 1/2" wide and there are six data tracks plus one parity track for a total of seven parallel tracks that span the length of the tape.".
- IBM_7_track label "IBM 7 track".
- IBM_7_track sameAs IBM_7_track.
- IBM_7_track sameAs m.0fpxzk.
- IBM_7_track sameAs Q3146514.
- IBM_7_track sameAs Q3146514.
- IBM_7_track wasDerivedFrom IBM_7_track?oldid=661896974.
- IBM_7_track depiction IBM_704_mainframe.gif.
- IBM_7_track isPrimaryTopicOf IBM_7_track.