Grade 10 | OL ICT | Text Book - Chapter 2 | English Medium - 2.3 Function of a Computer System

What really happens inside a computer? 💻 In this Grade 10 ICT lesson, we go inside the computer system and follow how data and instructions travel from the input devices, through memory and the CPU, to the output devices. This video covers Section 2.3 "Function of a Computer System" from Chapter 2 (Fundamentals of a Computer System), explained step by step in simple English. 📌 In this video you will learn: The 3 main functions of a computer system: input data, process and store data, produce information How to read Figure 2.10 (the computer system diagram) Input Devices → Main (Primary) Memory → CPU → Output Devices What the CPU contains: Registers, ALU and Control Unit How Secondary Memory stores data How the Control Unit sends control signals to all devices Dotted arrows (data flow) vs solid arrows (control signals) A real example: typing and saving a letter A quick quiz at the end to test yourself Resource link to download the Presentation :- https://docs.google.com/presentation/... 🎓 Perfect for: Grade 10 (GCE O/L) ICT students, English medium. 👍 Found this helpful? Like, share and subscribe for more GCE ICT lessons. 💬 Have a question? Write it in the comments and I will reply. #Grade10ICT #ICT #GCEOL #ComputerSystem #FunctionOfAComputerSystem #InsideAComputer #SriLankaICT #ICTEnglishMedium