Ch. 3 IGCSE ICT

10 Questions | Total Attempts: 476

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Ch. 3 IGCSE ICT

Storage Devices and Media


Questions and Answers
  • 1. 
    Write an advantage of magnetic tape over magnetic disk.
  • 2. 
    Type of access used by Magnetic disk
    • A. 

      Serial

    • B. 

      Direct

  • 3. 
    Which is not the advantage of blu ray disk over DVD?
    • A. 

      It uses blue laser

    • B. 

      Birefringence

    • C. 

      Secure encryption

    • D. 

      Relatively expensive

  • 4. 
    Magnetic tapes cannot be used for real time processing as it's data .......................... time is very slow.
  • 5. 
    .................................... Refers to the copying of files to a different medium incase of a problem with the main secondary storage device.
  • 6. 
    CD RW is the best media to distribute free software .
    • A. 

      True

    • B. 

      False

  • 7. 
    Which storage device should be used to store a high definition movie of two hours needing storage capacity of 25 GB.
    • A. 

      Blu-ray disc

    • B. 

      DVD

    • C. 

      Hard Disk

    • D. 

      CD

  • 8. 
    How does the laser wavelength  affect the storage capacity of a media?
    • A. 

      Shorter the wavelength lesser the storage capacity

    • B. 

      Shorter the wavelength greater the storage capacity

    • C. 

      Does not matter

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