Question

While the address bus carries the information on which device the CPU is communicating then which the appropriate line (read or write) will be active.​

Answer 1

control bus

In computer architecture, a control bus is part of the system bus and is used by CPUs for communicating with other devices within the computer.

An address bus is a computer bus architecture used to transfer data between devices that are identified by the hardware address of the physical memory (the physical address), which is stored in the form of binary numbers to enable the data bus to access memory storage.