OCR GCSE Computer Science: Paper 1 Computer Systems
Computer Science
GCSE
Level 2
8 chapters
58 Lessons
7 Free lessons
Exam board-specific online course, featuring fast-paced tutorials taught by Mark, practice and test mode quizzing and checkpoint assessments preparing you for your Paper 1 examination. We recommend that you study The Roadmap course along with this GCSE. Click to find out more.
System Architecture
Computer architecture
Lesson (1/0) 1
What is a Computer?
Lesson (2/0) 2
Embedded and Non-embedded Systems
The CPU
Lesson (1/0) 1
Components of a Modern CPU
Lesson (2/0) 2
The Fetch Decode Execute Cycle
Lesson (3/0) 3
Performance of CPUs
Memory
Physical memory
Lesson (1/0) 1
RAM and ROM
Lesson (2/0) 2
Flash Memory
Storage
Secondary storage
Wired and wireless networks
Networks
Network topologies, protocols and layers
WiFi and Ethernet
TCP/IP Stack
System security
Social engineering and Network Vulnerabilities
System software
Operating systems
Utility software
Ethical, legal, cultural and environmental issues
Software sources and Stakeholders
Leglisation
The impact of technology on stakeholders