16.1 Purposes of an Operating System (OS)
1 Show understanding of how an OS can maximise the use of resources
2 Describe the ways in which the user interface hides the complexities of the hardware from the user
3 Show understanding of process management
4 Show understanding of virtual memory, paging and segmentation for memory management
16.2 Translation Software
1 Show understanding of how an interpreter can execute programs without producing a translated version
2 Show understanding of the various stages in the compilation of a program
3 Show understanding of how the grammar of a language can be expressed using syntax diagrams or Backus-Naur Form (BNF) notation
4 Show understanding of how Reverse Polish Notation (RPN) can be used to carry out the evaluation of expressions

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