Computer Systems
Five courses — computer basics, number systems, logic gates and Boolean algebra, hardware and peripherals, and operating systems — with worked examples and practice.
Introduction to Computer Systems
What a computer is, how computers are classified, their history and generations, and basic architecture.
Number Systems
Binary, octal, decimal and hexadecimal, with every conversion shown step by step.
Boolean Algebra and Logic Gates
Logic gates, truth tables, Boolean expressions, simplification laws and turning real problems into circuits.
Computer Hardware and Peripherals
Motherboard, processor, memory, storage, peripherals and ports, and how to justify a computer specification.
Operating Systems
What an operating system does, the main types, comparing Windows, Linux and macOS, booting and the command line.