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Hafiz sarfraz ali presentation final

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Lahore Leads University …

Lahore Leads University
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  • 1. LAHORE LEADS UNIVERSITY NAME : SARFRAZ ALI. Registration : 1046-BSCS (A)
  • 2.  Types of Magnetic Tapes. Advantages of Magnetic Tapes. Limitations of Magnetic Tapes. Uses of Magnetic Tapes.
  • 3.  The tapes which store data due to magnatictivty . There are Four types of magnetic tapes.
  • 4. i- 1/2 – inch tape real. ii- 1/ 2 – inch tape cartridge.iii- 1/4 - inch tape real. iv- 4-mm digital audiotape(DAT)
  • 5. 1. ½ inch tape ribbon 2. Having Read/Write used for storage. Memory.3. Single unit having 4. Information store one read and write Independently in parallel head for each track. edge of the tape.5. Data store in adjacent bit configuration is known as parallel representation .
  • 6. 1. Data tapes was fat Difficult storing process.2. Data cartridges is easier to use and cheaper.
  • 7.  Look like VCR’s. Large size. Packed in a cover. Safe from Dirt
  • 8.  Sequential data storage, process program. Having Data Back-up. Store Data under environment like temperature .
  • 9.  DAT provides very high data density per inch of tape. The tape length is either 60 meters or 90 meters . Very high data recording density is obtained by using a special technique for data recording.
  • 10.  Unlimited storage. Low cost and High Data Storage in small space. Easily portable from one place another. Not Linked Together with multi program.
  • 11.  Access Nature is not suitable for Data storage. Keep in Dust Free Environment, normal temperature. Use Label Properly.
  • 12.  Sequential Data Processing. Data backup-Stored online. Transfer b/w two computer not link together. Distribution of software by vendors.