What is a property of an Address Bus?

An address bus is a vital component in a computer's architecture that carries addresses from the CPU to other components, such as memory and input/output devices. Its width, measured in bits, determines the maximum addressable memory capacity; for instance, a 32-bit address bus can address up to 4 GB of RAM. Additionally, the address bus is unidirectional, meaning it only transmits data from the CPU to other devices, not the other way around.