0478/0984 iGCSE Computer Science - Unit 3 Lesson 1: Hardware - CPU Architecture Fetch Decode Execute
π 0478/0984 iGCSE Computer Science - Unit 3 Lesson 1: CPU Architecture Welcome to Unit 3, Lesson 1 of the iGCSE Computer Science (0478/0984) course. In thi...

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1.8K views β’ May 28, 2025

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π 0478/0984 iGCSE Computer Science - Unit 3 Lesson 1: CPU Architecture
Welcome to Unit 3, Lesson 1 of the iGCSE Computer Science (0478/0984) course. In this lesson, we break down the fundamentals of computer hardware and explore the architecture of the CPU β the brain of the computer.
π₯ Lesson Breakdown:
0:00 - Intro
2:00 - Components of a Computer System
3:16 - Von Neumann Architecture Explained
4:25 - The CPU: Purpose and Components
5:52 - Registers and Their Purposes
9:16 - The Control Unit
10:23 - ALU: Arithmetic Logic Unit
11:20 - Fetch-Decode-Execute Cycle
15:20 - System Buses
πΉ Topics Covered:
β What is computer hardware?
β Types of hardware: input, output, storage, and processing devices
β The purpose and components of the CPU (ALU, CU, registers, cache)
β Understanding the Von Neumann architecture
β The stages of the Fetch-Decode-Execute (FDE) cycle
π Perfect for:
βοΈ iGCSE Computer Science students
βοΈ Anyone interested in how computers process data and run programs
βοΈ Teachers & educators needing clear, structured explanations
π Subscribe for more iGCSE Computer Science lessons!
π Lesson slides available here: https://cswithmrg.gumroad.com/l/ComputerArchitecture
π¬ Got a question? Drop it in the comments below!
#iGCSEComputerScience #ComputerScience #CPUArchitecture #0478 #0984 #Hardware
Welcome to Unit 3, Lesson 1 of the iGCSE Computer Science (0478/0984) course. In this lesson, we break down the fundamentals of computer hardware and explore the architecture of the CPU β the brain of the computer.
π₯ Lesson Breakdown:
0:00 - Intro
2:00 - Components of a Computer System
3:16 - Von Neumann Architecture Explained
4:25 - The CPU: Purpose and Components
5:52 - Registers and Their Purposes
9:16 - The Control Unit
10:23 - ALU: Arithmetic Logic Unit
11:20 - Fetch-Decode-Execute Cycle
15:20 - System Buses
πΉ Topics Covered:
β What is computer hardware?
β Types of hardware: input, output, storage, and processing devices
β The purpose and components of the CPU (ALU, CU, registers, cache)
β Understanding the Von Neumann architecture
β The stages of the Fetch-Decode-Execute (FDE) cycle
π Perfect for:
βοΈ iGCSE Computer Science students
βοΈ Anyone interested in how computers process data and run programs
βοΈ Teachers & educators needing clear, structured explanations
π Subscribe for more iGCSE Computer Science lessons!
π Lesson slides available here: https://cswithmrg.gumroad.com/l/ComputerArchitecture
π¬ Got a question? Drop it in the comments below!
#iGCSEComputerScience #ComputerScience #CPUArchitecture #0478 #0984 #Hardware
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1.8K
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Duration
16:51
Published
May 28, 2025
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