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Computing A Level Spec - Coggle Diagram

- - - - a) The need for, purpose and function of operating systems
      - b) Memory Management: (paging, segementation and virtual memory)
      - c) Interrupts, the role of interrupts and interrupt service routines withing the FDE
      - d) Task Scheduling: Round Robin, First Come first served, multi level feedback queues, shortest job first and shortest remaining time.
      - e) Distributed, embeeded, multi tasking, multi user and real time operating systems
      - f) BIOS
      - g) Device Drivers
      - h) Virtual Machines, any instance where software is used to take on the function of a machine including, executing intermediate code or running an operating system with another.
  - - - d) Virtual Storage
      - c) RAM and ROM
      - b) The uses of magnetic, flash and optical storage devices
      - a) How different input output and storage devices can be applied to the solution of different problems.
    - - c) Multicore and Parallel Systems
      - b) GPU's and their uses (including non - grpahical uses)
      - a) Difference between CISC and RISC processors
    - - d) Use of pipelining to improve processor efficiency
      - c) Factors affecting performance of CPU
      - b) Fetch Decode Execute cycle and its effect on the registers.
      - a) Arithmetic and Logic Unit purpose of Registers (Program Counter(PC), Accumulator (ACC), Memory Address Register (MAR), Memory Data Register (MDR), Current Instruction Register, Buses, Data Address and Control, How this relates to Assembly language programs.
      - e) Different types of computer architecture (Vonn Neumann, Harvard, Contemporary)