Uses of system software, including: how a high-level language is translated to run on different computer systems using: interpreters, cross compilers

System processing and flow of data through a system, including: Data flow diagrams (DFD), level 0 (context-level), level 1 and level 2 diagrams, construct a system flowchart and a data flow diagram (DFD) using correct symbols (see symbols at the end of the ‘Subject content’ section)