OCR Computing - Hardware 1

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  • Created by: Denise24
  • Created on: 09-03-14 12:29
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  • Hardware
    • What is a computer hardware?
      • Physical parts of a computer system
    • CU, ALU, MU
      • CU
        • Cotrol unit
        • Manages execution of instruction using control signals to other parts of the com puter
        • Synchronises actions using inbuilt clock
        • Controls fetch execute cycle
        • Synchronises components of the computer system
      • ALU
        • Executes all arithmetic and logical operations
        • Act as a gateway through which all inputs and outputs to the computer is done
        • Act as a gateway to the processor
        • Arithmetic and Logic Unit
      • MU
        • Stores OS
        • Stores data currently in use
        • Stores software currently in use
        • Stores boot program
        • Stores operations
        • Stores instruction
        • Memory Unit
  • CPU
    • Hardware
      • What is a computer hardware?
        • Physical parts of a computer system
      • CU, ALU, MU
        • CU
          • Cotrol unit
          • Manages execution of instruction using control signals to other parts of the com puter
          • Synchronises actions using inbuilt clock
          • Controls fetch execute cycle
          • Synchronises components of the computer system
        • ALU
          • Executes all arithmetic and logical operations
          • Act as a gateway through which all inputs and outputs to the computer is done
          • Act as a gateway to the processor
          • Arithmetic and Logic Unit
        • MU
          • Stores OS
          • Stores data currently in use
          • Stores software currently in use
          • Stores boot program
          • Stores operations
          • Stores instruction
          • Memory Unit
    • Central Processing Unit
    • Heart of the computer
    • Runs instructions serially
      • Runs instructions in the form of machine code
        • CPU
          • Central Processing Unit
          • Heart of the computer
          • Runs instructions serially
            • Runs instructions in the form of machine code
              • Runs instructions of software
            • Controls other parts of the computer via Buses
        • Runs instructions of software
      • Controls other parts of the computer via Buses

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