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)

Drawing a basic program flowchart that demonstrates a decision-making process (see symbols at the end of the ‘Subject content’ section), including: input/output, decision (using comparison operators), terminator (start, stop), process boxes (using arithmetic operators), subroutine, connector, flowline