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Disk and Memory Characteristics

Definitions

Random Access

Access a random item. E.g.

  • A random page on a disk.
  • A random element of an array.
  • A random byte in memory.

Sequential Access

After accessing one item, go to the next item in a sequence. E.g.

  • The next page on a disk.
  • The next element of an array.
  • The next byte in memory.

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