Assessment overview
The specification offers schools flexibility in how to deliver the content for assessment, dependent on the needs and capabilities of the department and the specific interests of students.
| Component | Marks | Duration | Weighting | insert text | 
Principles of design and technology (01) | 100 | 2 hours | 50% |  | 
Iterative design challenge (02/03) | 100 | Approx. 40 hours | 50% | Non-exam assessment | 
Content overview
There is distinct content for the examined component (01) and the non-exam component (02/03), however all learning should be delivered through the following topic areas:
- Identifying requirements
 - Learning from existing products and practice
 - Implications of wider issues
 - Design thinking and communication
 - Material considerations
 - Technical understanding
 - Manufacturing processes and techniques
 - Viability of design solutions.
 
Component 01: Principles of design and technology
This includes both the ‘core’ principles that all students must know, and ‘in-depth’ principles that are more specific to the materials or systems they have deeper practical and design experience of.
Students should:
- Analyse existing products
 - Demonstrate applied mathematical skills
 - Demonstrate their ‘core’ design and technical knowledge and understanding
 - Demonstrate and apply their in-depth technical knowledge of working with materials, ensuring functionality of products or systems and manufacturing processes and techniques.
 
For a number of these principles, mathematical and/or scientific knowledge is also required; this is indicated in the specifications.
Component 02/03: Iterative design challenge
Central to this non-examined assessment is the requirement for learners to understand and apply processes of iterative designing in their design and technology practice: exploring needs, creating solutions and evaluating how well the needs have been met. This component does not limit the range of materials or processes a learner uses when developing their design solutions.
Students produce a chronological portfolio and final prototype(s). This demonstrates their understanding and independent management of and skills in iterative designing, in particular:
- The interrelated nature of the processes used to identify needs and requirements (explore)
 - Creating solutions to meet those needs (create)
 - Evaluating whether the needs have been met (evaluate).