ICT at key stage 3    (Year 9)

• that control systems underlie many systems in society
• that it is possible to describe systems in a structured manner using standard conventions
• that many real-world systems focus on safety issues

• that control systems can be represented diagrammatically
• that algorithms can be tested using state tables
• that inputs and outputs can be defined for each part of the system
• the function and application of counters

• to translate plans into specific procedures
• to implement conditions, and control constructs and counters using inputs and outputs
• the need to document systems effectively
• to document their procedures
• to set up and test elements of the system

• the need for evaluation and refinement to ensure systems are effective
• to develop an understanding of diagnostic techniques
• to test and evaluate the whole system in relation to the specified requirements

• the need to develop a presentation for a specified purpose and audience
• to apply and develop the facilities of a presentation package, using a mixture of media
• the need for reflective evaluation of the processes and tools used
• to consider the advantages and disadvantages of the specific software, peripherals and hardware employed