Today we're looking at the purpose of the CPU, specifically the following parts from the OCR Computer Science Specification (https://www.ocr.org.uk/images/225975-specification-accredited-gcse-computer-science-j276.pdf) the purpose of the CPU  Von Neumann architecture: MAR (Memory Address Register) MDR (Memory Data Register)  Program Counter  Accumulator  common CPU components and their function: ALU (Arithmetic Logic Unit) CU (Control Unit) Cache the function of the CPU as fetch and execute instructions stored in memory  clock speed --- Send in a voice message: https://anchor.fm/bitesize-computer-science/message