What is "cloud computing"?

Question $11$ options:

General term for technology solutions delivered over the Internet

Technology enabling the HR department to streamline numerous tasks by maintaining records on a range of components of the HR department.

The delivery of computing services $$ including servers, storage, databases, networking, software, analytics and intelligence $$ over the Internet $("$the cloud"$)$ to offer faster innovation, flexible resources and economies of scale.

Both a and c above are correct