Base address

primary input/output address which a device uses

In computing, a base address denotes a memory address serving as a reference point ("base") for other addresses. To specify an absolute address, the relevant base address is added to an offset (aka displacement). This way of determining a memory address is called relative addressing.
See more at Wikipedia.org...

Base address is also called I/O port, I/O address, I/O port address and base port.
See more at Wikipedia.org...

B: (Matematika) alamat dasar
Built to Babylon by Hikmat Gumilar Visit my Website;