Storage Devices

• A storage device - is any apparatus for recording computer data in a permanent or semi-permanent form.
• What is a floppy diskette?

  A floppy diskette is a random access, removable data storage medium used with personal computers.
• What is the size of a standard floppy diskette?

  A standard floppy diskette measures 3.5 inches square and about 2 millimeters thick.
• How much data can a floppy diskette store?

  A floppy diskette can store up to 1.44 megabytes (MB) of data.
• What is a compact disc (CD)?

  A compact disc is a nonmagnetic, polished metal disk used to store digital information.
• What is the function of a CD-ROM?

  A CD-ROM is used to read data from a compact disc.
• What is a Digital Versatile Disc (DVD)?

  A DVD is an optical disc technology with a 4.7 gigabyte storage capacity on a single-sided, one-layered disk.
• How long of a movie can a single-layer DVD typically store?

  A single-layer DVD can store enough data for a 133-minute movie.
• What are jump drives and USB flash drives?

  Jump drives and USB flash drives are plug-and-play portable storage devices that use flash memory.
• What is a key feature of USB drives?

  A USB drive is lightweight enough to attach to a key chain.
• In what way can a USB drive be used in place of other storage devices?

  A USB drive can be used in place of a floppy disk, Zip drive disk, or CD.
• What is the main function of a hard drive in a computer?

  The hard drive is the main and usually largest data storage device in a computer.
• What types of files are typically stored on a hard disk drive?

  The operating system, software titles, and most other files are stored in the hard disk drive.
• What is an LS-120 drive?

  An LS-120 drive supports a special floppy diskette that can store up to 120MB of information.
• What compatibility feature does the LS-120 drive have?

  The LS-120 drive is backwards compatible with standard 1.44MB floppy diskettes.
• What is a Zip drive used for?

  A Zip drive is a small, portable disk drive used primarily for backing up and archiving personal computer files.
• What are the main types of storage devices mentioned in the study material?

  • Floppy diskette
  • Compact disc (CD)
  • Digital Versatile Disc (DVD)
  • Jump drive and USB flash drive
  • Hard drive
  • LS-120
  • Zip drive