Interfacing plays an important role in Microprocessor Type 8086. It allows information to be shared between different components within the system, such as memory, input/output devices, and peripherals. This enables faster communication and also helps reduce complexity when dealing with multiple components or devices. In addition, interfacing can improve overall performance by reducing latency issues that can occur with direct connections between components.   Interfacing also helps with system expansion because it allows various components to be connected without having to modify existing hardware or software systems. Expansion boards can easily be added to expand existing capabilities without having to alter the existing setup too much—or even at all in some cases. This makes it easier for users to upgrade their systems without needing to completely overhaul their setup each time they want to add something new.   Finally, interfacing makes troubleshooting easier because it standardizes connections between components and allows for easier identification of any potential problems that may arise. With all components connected via the same interface, it becomes much easier for technicians to diagnose any issues quickly and efficiently instead of having to go through each connection individually, looking for any faulty wiring or other irregularities which could cause a problem down the line.