Cybutor

Cybutor

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07/06/2026

Enroll in expert Chemistry classes for O Level, IGCSE, and A Level students. Available both online and physical, with concept-based learning, exam-focused preparation, past paper practice, and personalized guidance. Limited seats available. Join now to improve grades and build confidence for Cambridge examinations and academic success.

31/05/2026

🖥️ How does a computer follow instructions?

Every program you run is processed through the **Fetch–Decode–Execute (FDE) Cycle**, the fundamental operation of the CPU.

🔹Fetch – The CPU retrieves the next instruction from memory using the Program Counter (PC).

🔹Decode– The Control Unit interprets the instruction and determines what action is required.

🔹Execute– The CPU carries out the instruction, such as performing a calculation, moving data, or storing results.

⚡ This cycle repeats billions of times every second, allowing computers to run applications, browse the web, play games, and much more.

FetchDecodeExecute ComputerArchitecture 0478 LearnComputing TechEducation

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