During the operation of a central processing unit (CPU) operating under the Von Neumann architecture, dedicated registers are utilized to manage the flow of instructions and data.
Identify the two specific CPU registers whose primary function is to store memory addresses (rather than instruction opcodes or raw data values) during the Fetch-Decode-Execute (FDE) cycle.
76 exam-style questions on Edexcel GCSE Computer Science Hardware, covering Von Neumann architecture and FDE cycle, Secondary storage devices, and Embedded systems. Each one has a worked solution and a mark scheme showing where the marks go.