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🔴 Review 1 (15 pts): Hardware, FS, OS, Networking

What is a cache? Provide examples of the three important types of cache.

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Dianne K PattersonJUN 3, 2024, 1:21:18 PM

A cache is temporary storage that circumvents a bottleneck in the system. and speeds up data transfer.

There are three important caches discussed in the lessons:

  • The CPU cache has 3 levels of fast memory to help facilitate transfer of data from the RAM to the CPU.
  • The hard drive cache is memory attached to the hard drive that helps facilitate transfer of data from storage to RAM.
  • The web browser cache is an area set aside on the hard drive to store web pages and images downloaded from the internet.
  • A diagram of three important roles for cache memorycache diagram

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Janice A HayhoeAUG 30, 2024, 10:33:58 PMInstructor Endorsed

Cache temporarily stores frequently used data for faster access to prevent bottle-necking.

  • CPU cache
  • hard drive cache
  • web browser cache

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    Lesley A. Guarena EspinosaOCT 15, 2024, 7:33:23 PM

    Cache is a more accessible place to store data. The cache is more easily accessible allowing that particular data to be run more quickly than retrieving the data from its original storage location (e.g., browser, disk). Some examples of cache include disk cache, which allows for easier and faster access to data that would otherwise be more laborious to obtain from the hard disk.
    The three important types of cache are L1, L2, and L3 (from slower to fastest)

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      MEHRDAD AGHAYARISEP 6, 2024, 12:29:23 PM

      A cache is a small, fast memory in a CPU that stores frequently used data for quick access. The three important types are:

      L1 Cache: Closest to the CPU, very fast but small.
      L2 Cache: Larger than L1, slower but still quick.
      L3 Cache: Bigger than L2, shared across CPU cores, slower but still faster than main memory.

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        Where does an internet browser cache web pages?

        Select one of the following options:
        • A.

          The hard drive

        • B.

          RAM

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