Computer Systems

Computer Systems

Lessons covering every topic
Quizzes for every lesson
Over 2.5 hours on-demand video
Awards, experience points & levels
Analytics for student tracking
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Content Areas

Topic Area 1.1

Systems architecture.

Topic Area 1.2

Memory and storage.

Topic Area 1.3

Networks, connections & protocols.

Topic Area 1.4

Network security.

Topic Area 1.5

Systems software.

Topic Area 1.6

Ethical, legal, cultural & environmental impacts of digital technology.

Modules

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Units & Data Storage
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Data storage units, binary conversion for processing, and calculating capacity needs, from bits to petabytes.
5 Lessons | 5 Quizzes Sample Module
Units & Numbers
Units & Numbers
Binary & Decimal Numbers
Binary & Decimal Numbers
Binary Addition
Binary Addition
Hexadecimal Numbers
Hexadecimal Numbers
Binary Shifting
Binary Shifting
Systems Architecture
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The architecture of the CPU, its performance characteristics, and embedded systems, detailing ALU, CU, Cache, and registers.
4 Lessons | 4 Quizzes
CPU Architecture
CPU Architecture
Common CPU Components
Common CPU Components
The Fetch-Execute Cycle
The Fetch-Execute Cycle
CPU Performance & Embedded Systems
CPU Performance & Embedded Systems
Primary & Secondary Storage
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The need for and characteristics of primary and secondary storage.
3 Lessons | 3 Quizzes
Primary Storage
Primary Storage
Secondary Storage 1
Secondary Storage 1
Secondary Storage 2
Secondary Storage 2
Data Representation & Compression
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How characters, images and sound are represented in binary and the need for compression.
3 Lessons | 3 Quizzes
Character Sets & Images
Character Sets & Images
Sound
Sound
Compression
Compression
Networks & Topologies
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The characteristics of different network types and topologies and the technologies they rely on.
4 Lessons | 4 Quizzes
Types of Networks
Types of Networks
Network Hardware
Network Hardware
The Internet
The Internet
Network Topologies
Network Topologies
Wired & Wireless Networks, Protocols & Layers
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The features & characteristics of different connection methods, protocols and technologies.
4 Lessons | 4 Quizzes
Modes of Connection
Modes of Connection
Encryption
Encryption
Addresses & Standards
Addresses & Standards
Common Protocols & Layers
Common Protocols & Layers
Network Security
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The threats to computer systems & networks and the common prevention methods.
4 Lessons | 4 Quizzes
Forms of Attack 1
Forms of Attack 1
Forms of Attack 2
Forms of Attack 2
Identifying & Preventing Vulnerabilities 1
Identifying & Preventing Vulnerabilities 1
Identifying & Preventing Vulnerabilities 2
Identifying & Preventing Vulnerabilities 2
Systems Software
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The purpose and functionality of operating systems and utility software.
3 Lessons | 3 Quizzes
Operating Systems 1
Operating Systems 1
Operating Systems 2
Operating Systems 2
Utility Software
Utility Software
Ethical, Legal, Cultural & Environmental Impact
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The impact of digital technology on wider society and the legislation relevant to computer science.
4 Lessons | 4 Quizzes
Ethical & Cultural Issues
Ethical & Cultural Issues
Environmental & Privacy Issues
Environmental & Privacy Issues
Data Protection & Computer Misuse
Data Protection & Computer Misuse
Copyright & Licencing
Copyright & Licencing