This presentation provides an overview of registers in computer architecture and their role in the execution of instructions. It covers registers like Program Counter, Current Instruction Register, Memory Address Register, Memory Data Register, Accumulators, Status Register, and Interrupt Register. The presentation also explains the processing cycle and the stages of fetch, decode, and execute. It discusses the concept of polling and its drawbacks, as well as the significance of interrupts in computing. References to relevant patents are included.