Final answer:
Companies use coding schemes in their accounting systems to manage complex information efficiently, facilitate communication, and adapt to changes smoothly, which is crucial for large scale operations.
Step-by-step explanation:
Companies utilize coding schemes in their accounting information systems for several key reasons. Coding schemes are fundamental for large scale processes within a business as they can simplify the representation and management of complex information. They serve as a shorthand that is easy to interpret and communicate between departments and personnel. Codes also enable businesses to be highly adaptable to changes by allowing for easy expansion and reorganization within the system. Additionally, from an information theory perspective, effective coding schemes reduce errors and improve the efficiency of data processing. This is critical in accounting, where accuracy and timeliness are paramount.