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Architecture of the CPU
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The CPU and the stored-program idea

The CPU and the stored-program idea

Labelled von Neumann architecture showing a CPU with Control Unit, ALU, cache, registers, Program Counter, MAR, MDR, Accumulator, and main memory storing instructions and data

The CPU is the main processor in a computer. Its job is to process data by repeatedly fetching, decoding and executing instructions from programs.

Architecture of the CPU Lesson

  1. GCSE
  2. /Computer Science
  3. /Architecture of the CPU

Step-by-step lessons on OCR GCSE Computer Science Architecture of the CPU. Each one builds up to exam-style questions. Build strong foundations in binary, logic and core programming constructs before moving on to the more complex algorithm design and evaluation questions.

Lessons