Final answer:
To enhance real-time service delivery adjustments, a dry-cleaning business using Cloud operations should incorporate Edge Computing technology, which enables quicker local data processing close to the source.
Step-by-step explanation:
To improve its operations by using data from devices at individual locations for real-time adjustments to service delivery, a chain of dry-cleaning outlets currently using Cloud operations should combine Edge Computing with their current setup. Edge computing allows data processing to be done closer to where it is needed, thus reducing response times and bandwidth use. This is especially beneficial for services that require real-time processing and immediate action.
Blockchain technology, while useful for secure transaction management, is not primarily designed for real-time operational adjustments. Data Visualization is a tool for representing data graphically, not for processing data in real-time. Lastly, Public Cloud services are more about the provision of cloud computing services to users over the public Internet and not necessarily for improving real-time operations at the edge.