EDEXCEL Computer Science Denary to two complements worksheet #1 2.1.2 understand how computers represent and manipulate unsigned integers and two’s complement signed integers Made for Edexcel but could be used with other GCSE CS courses. Includes: Worksheet (STUDENT COPY) Answer sheet (TEACHER COPY)

1.2.2 Secondary storage wordsearch - OCR GCSE Computer Science Wordsearch covering key terms for 1.2.2 Two versions With questions to hint the key terms to find in the wordsearch Key terms only (useful for EAL and SEND students).