Ready to use worksheets for J277 OCR Computer Science 1.1 Systems Architecture, including differentiated Worksheet tasks with ANSWER Sheets for each lesson! Designed for mixed-ability groups and can also be used for end of year REVISION lessons too. Includes the following: Purpose of the CPU CPU Components Von Neumann Architecture Factors Affecting CPU Performance Embedded Systems Save yourself hours of lesson planning. Thank you and I hope your classes find these worksheets useful!