ComputerScience Edexcel GCSE Unit 2 Data Representation

This comprehensive and fully editable resource covers Unit 2: Data Representation for the Computer Science Ed-excel(New specification). ideal for teachers delivering the course or for students looking to revise key concepts with structured guidance and activities.

included:

• Full g-slide lessons covering all subtopics (can be converted)
• Worksheets and practice questions with answers
• Assessments
  -Exam-style questions Workbook
• Engaging visuals, clear explanations, and student-friendly layout

Topics covered:

Binary conversion

Binary addition and overflow

Signed & Twos Complement

Logical and Arithmetic Shifts

Hexadecimal conversion and uses

Character sets: ASCII and Unicode

Image representation (pixels, resolution, depth)

Sound representation (sample rate, bit depth)

Data compression (lossy and lossless)