Write an algorithm or draw a flowchart to represent the processing involved in the control technologies listed above (see 4.1)

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

The concepts of backward chaining and forward chaining, including the use of the IF...THEN constructs