GCSE OCR Computer Science J277/01 - 1.1 and 1.2 Revision Pack

Eight structured lessons to support GCSE students revise for Component 1, each containing:

• Differentiated worksheets
• Summary of common exam question misconceptions
• Assessment
• Mark scheme

Component 1 elements included:

1.1 - System Architecture

• CPU components
• FDE cycle
• Performance factors
• Von Neumann

1.2 - Memory and Storage

• RAM vs cache vs virtual memory
• Secondary storage devices
• Binary conversion
• Hexadecimal conversion
• Binary addition
• Binary shift
• Character representation
• Image representation
• Sound representation
• Compression

Differentiated revision worksheets include:

• Spots (lower ability)
• Stripes (higher ability)
• Starter, main and challenge tasks
• Practice exam questions (answers in PowerPoints)
• Links to online crossword
• Research links (e.g. BBC Bitesize, Teach-ICT, BBC News)

Summary of Common Mistakes include:

• Exam questions that are commonly answered incorrectly (e.g. “binary is the only language the computer understands”
• Clear reasons for the misconception
• Correct answers

Assessment:

• Assessment lesson PowerPoint
• Review lesson PowerPoint (with recap task
• based on common mistakes)
• Assessment paper
• Mark scheme (with examiner comments)
• Review sheet

Note - worksheets are downloaded PDFs from OneNote and may require some formatting before use