computer structure - ict

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  • computer structure - ict
    • hardware
      • is a physical component for the pc.
        • e.g monitor , mouse , keyboard etc...
    • output
      • to output data from a computer system
      • components to show the resulting processing
    • software
      • is code/program
        • e.g. word processors , web-authoring etc...
        • insturctions the computer to run
    • input
      • components for entering data
        • e.g monitor , mouse , keyboard etc...
    • main/internal memory
      • consists of ROM chips
        • they store programme instruction for system start up
        • also store memory storing programmes and DATA
      • also store memory storing programmes and DATA
    • basic allowing data to flow
      • processing
        • input
        • out put
        • main/internal memory
          • backing data
    • backing storage
      • used to store data
        • use to store data when the computer turnt off
    • processor
      • a component that decides what instructions mean and what to do

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