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- 9_track_tape abstract "The IBM System/360, released in 1964, introduced what is now generally known as 9 track tape. The ½ inch (12.7 mm) wide magnetic tape media and reels are the same size as the earlier IBM 7 track format it replaced, but the new format has 8 data tracks and one parity track for a total of 9 parallel tracks. Data is stored as 8-bit characters, spanning the full width of the tape (including the parity bit). Various recording methods were employed during its lifetime as tape speed and data density increased, including PE (phase encoding), GCR (group code recording) and NRZI (non-return-to-zero, inverted, sometimes pronounced "nur-zee"). Tapes came in various sizes up to 3,600 feet (1,100 m) in length.The standard size of a byte was effectively set at 8 bits with the S/360 and 9 track tape.For over 30 years the format dominated offline storage and data transfer, but by the end of the 20th century it was obsolete, and the last manufacturer of tapes ceased production in early 2002, with drive production ending the next year.".
- 9_track_tape thumbnail IBM_System_360_tape_drives.jpg?width=300.
- 9_track_tape wikiPageExternalLink cipher.
- 9_track_tape wikiPageExternalLink EK-OTA79-TM-001_Mar88.pdf.
- 9_track_tape wikiPageExternalLink EK-OTS11-TM-003_TS11techMan.pdf.
- 9_track_tape wikiPageExternalLink EK-0TU80-SV.004_Jun84.pdf.
- 9_track_tape wikiPageExternalLink EK-TUA81-TM_002_Nov85.pdf.
- 9_track_tape wikiPageExternalLink B03P-5325-0100A_244X_Jun87.pdf.
- 9_track_tape wikiPageExternalLink 7970_MaintCourseHandouts.pdf.
- 9_track_tape wikiPageExternalLink Kennedy_TapeModels.txt.
- 9_track_tape wikiPageExternalLink m4data.
- 9_track_tape wikiPageExternalLink UP-3407r1_UniservoIIIA_Tech.pdf.
- 9_track_tape wikiPageExternalLink UT-3408r1_UniservoIIIC.pdf.
- 9_track_tape wikiPageExternalLink 234039.html.
- 9_track_tape wikiPageExternalLink ai_6795077.
- 9_track_tape wikiPageExternalLink display_item.php?hw=390.
- 9_track_tape wikiPageExternalLink display_item.php?hw=552.
- 9_track_tape wikiPageExternalLink display_item.php?hw=553.
- 9_track_tape wikiPageExternalLink display_item.php?hw=554.
- 9_track_tape wikiPageExternalLink IBM9348.html.
- 9_track_tape wikiPageExternalLink A22-6866-4_24xxMagtape.pdf.
- 9_track_tape wikiPageExternalLink 9906_brochure.pdf.
- 9_track_tape wikiPageExternalLink 9914_brochure.pdf.
- 9_track_tape wikiPageExternalLink 9914v_brochure.pdf.
- 9_track_tape wikiPageExternalLink 9track.htm.
- 9_track_tape wikiPageID "6128750".
- 9_track_tape wikiPageRevisionID "605446682".
- 9_track_tape hasPhotoCollection 9_track_tape.
- 9_track_tape subject Category:History_of_computing_hardware.
- 9_track_tape subject Category:IBM_storage_devices.
- 9_track_tape comment "The IBM System/360, released in 1964, introduced what is now generally known as 9 track tape. The ½ inch (12.7 mm) wide magnetic tape media and reels are the same size as the earlier IBM 7 track format it replaced, but the new format has 8 data tracks and one parity track for a total of 9 parallel tracks. Data is stored as 8-bit characters, spanning the full width of the tape (including the parity bit).".
- 9_track_tape label "9 track tape".
- 9_track_tape label "9-дорожечная лента".
- 9_track_tape sameAs m.0frnmy.
- 9_track_tape sameAs Q4032660.
- 9_track_tape sameAs Q4032660.
- 9_track_tape wasDerivedFrom 9_track_tape?oldid=605446682.
- 9_track_tape depiction IBM_System_360_tape_drives.jpg.
- 9_track_tape isPrimaryTopicOf 9_track_tape.
