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Grade 12 hardware and software – lo1
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Grade 12 hardware and software – lo1

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Transcript

  • 1. Hardware and Software – LO1 Grade 12
  • 2. Improving the Performance of your machine… Increasing demand equals … Socially Academically Spiritually Professionally Scientifically Enter Gordon Moore…
  • 3. Speeding up the performance of a PC…
    • The CPU
    2. Cache Memory ALU Does all the computing CU Controls and checks Registers Workspace RAM ROM
  • 4. 3. Improve Bus Design
  • 5. Improving Storage… Not so long ago … Professionally speaking – businesses need increasing amounts of data. Data mining = businesses can collect many different types of data for analyzing later. Data mining: The collection and analysis of large collections of data. Professionally speaking – businesses need increasing amounts of data.
  • 6. Getting more storage entails:
    • reducing the size of the read/ write head.
    • changing the recording process.
    • inventing new technologies for storage data!
    Faster and more Reliable drives: 1. Improve Latency i.e..: reduce the time taken for the read/ write head to reach data stored on the disc 2. Data transfer rate SATA vs IDE 1. Improve Shock Resistance 2. Using RAID
  • 7. So what is RAID?
            • Redundant Array of Inexpensive/ Independant Discs
    A group of discs grouped together by a special controller and treated as one disc. What’s its purpose?
    • To improve data reliability by duplication across discs.
    • To increase hard drive space.