MSO - Computer Definition
An operator of multiple CATV systems.The systems generally are standalone CATV islands rather than being interconnected. See also CATV.
(1) (Multiple System Operator) Typically refers to a cable TV organization that owns more than one cable system, but it may refer to an operator of only one system.
(2) (Multiple Services Operator) An organization that provides more than one type of communications service, such as Internet access, TV and phone. See triple play.
(3) See Microsoft Office.