OCR A level (H046-H446) SLR 19 – Thinking ahead

It includes:

• Student Learning Record (A3 version in word)
• Student Learning Record (PDF version)
• Student Learning Record (PowerPoint version)
• Set of student activities and workshops with answers
• Answers to the exam questions from the back of the SLR
• Teacher Marking Checklist
• Year 13 Recap Lesson

This topic covers:

H046

• 2.1.2 a-c Thinking ahead

H446

• 2.1.2 a-d Thinking ahead

Specific knowledge required for AS and A Level:

• Candidates need to understand that situations require inputs and output, and that outputs can be both digital or in a hard copy format.
• Candidates may be given a description, diagram, or code for a scenario, and they will need to demonstrate an understanding of what inputs and outputs are needed, and/or are used in that specific scenario.
• For a description of a program, candidates need to be able to determine what else they need to know before they can produce a solution, for example what information is missing and what else will affect that solution.
• Candidates need to understand the purpose, benefits and drawbacks of reusable program components.
• Candidates should understand how these components can be reused, and for a given scenario/program they will need to be able to identify the subprograms that will be needed.
• Candidates may then be required to write code for these reusable components.

Specific knowledge required for A Level ONLY:

• Candidates need to have an understanding of the purpose of caching in programming, and how it can be used when writing a program.
• Candidates need to be able to apply their knowledge of caching to a scenario to demonstrate an understanding of how it can be used.
• Candidates need to understand the benefits and drawbacks of using caching in a program.