IGCSE Computer Science — Free Practice Questions, Study Guides & Mock Exams

Learn the Cambridge IGSCE Computer Science Course

Topics covered

Data Representation — Move fluently among number systems, encoded media, storage units, file-size calculations, and compression decisions.
Data Transmission — Choose transmission methods, follow packet movement, detect errors, and explain how keys protect transmitted data.
Hardware — Connect CPU architecture to input, output, storage, sensors, networking, and justified hardware choices.
Software — Explain the software stack, operating-system services, interrupts, language levels, translators, and IDE support.
The Internet and Its Uses — Trace a web request, distinguish internet services, explain digital ledgers, and match cyber threats to protection.
Automated and Emerging Technologies — Model automated control, identify robot characteristics, and stay inside the required expert-system and machine-learning scope.
Algorithm Design and Problem-Solving — Develop, represent, test, trace, correct, and explain algorithms using the exact methods required by Paper 2.
Programming — Write Cambridge pseudocode with correct data, control structures, routines, arrays, files, and maintainable design.
Databases — Design one-table data storage, select field types and a primary key, then read and write the required SQL subset.
Boolean Logic — Move without gaps among problem statements, gate functions, Boolean expressions, circuits, and truth tables.