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The big picture

The big picture

Labelled Little Man Computer schematic showing the program counter pointing to mailbox 02, instruction 594 split into opcode 5 and operand address 94, and arrows linking memory, accumulator, input, and output

The Little Man Computer, or LMC, is a simplified model of a stored-program computer. It helps you see how instructions are fetched from memory, decoded, and executed one at a time.

Little Man Computer instruction set Lesson

  1. A Level
  2. /Computer Science
  3. /Little Man Computer instruction set

Step-by-step lessons on OCR A Level Computer Science Little Man Computer instruction set. Each one builds up to exam-style questions.

Lessons