Information Technology
G3N tutors you through the full Cambridge Information Technology syllabus offline — from Types and components of computer systems: hardware, software, main memory, Input and output devices and their uses, Storage devices and media: types, capacity and suitability for a task and more — with adaptive lessons, instant quizzes, flashcards and exam-ready summaries.
Syllabus
What you’ll cover in Information Technology.
The complete topic outline G3N teaches, mapped to the Cambridge curriculum.
IGCSEComputer systems and devices
3 topicsTypes and components of computer systems: hardware, software, main memory
Input and output devices and their uses
Storage devices and media: types, capacity and suitability for a task
IGCSENetworks and the effects of using IT
5 topicsRouters, network interface cards, hubs, switches, wi-fi, Bluetooth and cloud computing
LAN, WLAN and WAN, and the internet, intranet and extranet
Network security: passwords, authentication methods and anti-malware software
Electronic conferencing: video, audio and web-conferencing
Effects of microprocessor-controlled devices, and health issues from prolonged IT use
IGCSEICT applications and the systems life cycle
3 topicsICT applications: communication, data handling, measurement, modelling, and control
The systems life cycle: analysis, design, development/testing, implementation, evaluation
Safety and security: physical safety, e-safety, and data security
IGCSEAudience and communication
2 topicsIdentifying audience and communicating appropriately for purpose
Communication methods: email, video conferencing and internet-based communication
IGCSEDocument, data and software skills
8 topicsFile management: file types, naming, organising and compressing files
Images: editing, resizing, cropping and file formats
Layout, styles and proofing for document production
Graphs and charts, and document production skills
Databases: data types, validation, and creating and interrogating a database
Presentations: designing and delivering a multimedia presentation
Spreadsheets: formulae, functions and modelling data
Website authoring: layout, navigation and web design principles
A LevelData processing, hardware and software (AS)
2 topicsData processing and information: data, information and knowledge
Hardware and software: types of computer system and their components
A LevelMonitoring, control and algorithms (AS)
2 topicsMonitoring and control systems using sensors and microprocessors
Algorithms and flowcharts for solving problems
A LevelThe digital divide and expert systems (AS)
2 topicsThe digital divide: access to and impact of IT across communities
Expert systems: knowledge base, inference engine and applications
A LevelSpreadsheets, modelling and databases (AS)
3 topicsSpreadsheets: formulae, functions and data analysis
Modelling: using IT to represent real-world situations
Database and file concepts: data types, validation and file structures
A LevelVideo and audio editing (AS)
1 topicsEditing and combining video and audio for a given purpose
A LevelIT in society and emerging technology (A2)
2 topicsThe impact of IT on society, employment and ways of working
New and emerging technologies and their potential impact
A LevelCommunications technology and project management (A2)
3 topicsCommunications technology: networks, the internet and data transmission
Project management: planning, managing and evaluating an IT project
The systems life cycle: analysis, design, development, implementation, evaluation
A LevelData analysis and document production (A2)
2 topicsData analysis and visualisation: interpreting and presenting data
Mail merge: producing personalised documents from a data source
A LevelGraphics, animation and web programming (A2)
3 topicsGraphics creation: vector and bitmap image editing
Animation: creating and editing animated sequences
Programming for the web: client-side scripting for interactive web pages
How G3N helps
Turn this syllabus into a pass.
Both tiers, one tutor
IGCSE and A Level content sit side by side, so the tutor follows you from Year 10 through to Year 13.
Structured by syllabus
Topics follow the organisation of the current Cambridge syllabus for each subject, not generic web answers.
Practise and revise
Generate questions per topic, get marked answers with explanations, and summarise dense readings before the paper.
Master Information Technology, offline.
No sign-up wall, no data plan required. Open G3N and go.