OCR GCSE Computer Science (J277)Specification point 1.1.1

OCR J277 1.1.1: Architecture of the CPU

The free BugBot lessons that teach this point, a robot to try it on, and the past-paper questions that test it.

Lessons that teach it

  1. F9.3 Hardware, software and von Neumann Logic and computer systems
    Hardware and software, and the stored program concept in a tiny computer.
  2. F9.4 The CPU and fetch-execute Logic and computer systems
    The ALU, control unit, registers and buses, and tracing the fetch-decode-execute cycle.

Try it on a robot

The task from F9.3 Hardware, software and von Neumann, running here. Change the program and press Run.

The specification is OCR's own document; this page says which of our lessons teach point 1.1.1 and is not endorsed by the board.