Client/server computing

project that contains application architect.. Client/server computing splits data and processing tasks into two main partitions: Servers handle the data while clients handle the processing.
Cloud computing and the web-based model are increasing in popularity with organizations of all types, but client/server computing still has its place in the workplace.

Here is my question for you to answer

[ Why do you think many organizations still run client/server applications in-house rather than in the cloud? Please reply with full details and provide examples. Keep it at less than 400 words.]