OCR: Topic 1 Resources
Learners should have studied the following:
the purpose of the CPU
the function of the CPU to fetch and execute instructions stored in memory
Choose from the following to help you learn:
Books
CAMBRIDGE Computer Science:
Page 165. Sections "The central processing unit" and "Executing the instructions"
Page 166. Sections "Fetch" and "Decode and execute".
ROBSON & HEATHCOTE Computer Science (9-1):
Page 2. Sections "Basic Computer System Model" and "The purpose of a CPU"
SUSAN ROBSON GCSE Computing(3rd edition):
Page 9. Sections "The Central Processing Unit" and "CPU Performance" continued onto Page 11.
SUSAN ROBSON GCSE Computing(2012):
Page 23. Sections "The Central Processing Unit" and "CPU Performance" on Page 24.
AXSIED GCSE Computer Science (3rd edition)
Page 3 - R2. Computer Architecture. Paragraphs 1,2 & 7.
Page 5 - R3. The CPU. Paragraphs 1 & 2.
ROUSE & O'BYRNE GCSE(9-1) Computer Science:
Page 7. Section "The CPU" continued onto Page 8.
Web Sites
BBC Bitesize: Page 1 and Page 5
Cambridge MOOC: Pages 7 & 8
Wikipedia: Paragraph 1 and "Operation"
Simple Wikipedia: CPU
Cambridge Digital: n/a
Techopedia: CPU
Teach-ICT: THEORY 1 & 2 only and THEORY 1 to 7
CSNewbs: CPU Components and FDE Cycle (2 articles)
YouTube
CraignDave: Watch from 0:10 to 0:45 and from
ComputerScienceTutor: Watch from 0:19 to 5:38
MrMDKnight: Watch from 0:00 to 9:21
In One Lesson: Watch from 0:00 to 1:30
KarBytes: Watch from 0:00 to 1:10