Topic 8 of 19

The operating system

What the specification covers

Unit 1 (AS)Fundamentals of Computer Science

  • The kernel and resource management
  • User interfaces
  • Directories and file attributes
  • Utility software
  • Batch, real-time and transaction modes

Unit 4 (A2)Computer Architecture, Data, Communication and Applications

  • Single-user and multi-user systems
  • Interrupts and priorities
  • Memory partitioning and buffering
  • Scheduling, process states and time-slicing
  • Double buffering

Study this topic

NotesClear notes for each point in the specification, with worked examples.Coming soon
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