Grade 12 hardware and software – lo1

Hardware and Software – LO1 Grade 12

Improving the Performance of your machine… Increasing demand equals … Socially Academically Spiritually Professionally Scientifically Enter Gordon Moore…

Speeding up the performance of a PC… ,[object Object],2. Cache Memory ALU Does all the computing CU Controls and checks Registers Workspace RAM ROM

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.

Getting more storage entails: ,[object Object],[object Object],[object Object],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

So what is RAID? ,[object Object],A group of discs grouped together by a special controller and treated as one disc. What’s its purpose? ,[object Object],[object Object]

Grade 12 hardware and software – lo1

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