HOW DOES MICROPROCESSOR WORK?

The instructions are stored sequentially in the memory. The microprocessor fetches the first instruction from its memory sheet, decodes it and executes that instruction. The sequence of fetch, decode, and execute is continued until the microprocessor comes across an instruction to stop. During the entire process, the microprocessor uses the system bus to fetch the binary instructions and data from the memory. It uses register from the register section to store data temporarily and it performs computing function in arithmetic logic unit [ALU] section. Finally, it sends out the result in binary using the same bus lines.