Explanation:
Start-up companies can store, manage, process data and use programs through a web-based interface – something that greatly reduces costs. Data stored in the cloud can be accessed from anywhere through various devices with web connectivity, which is an advantage for small companies that don't have a huge IT budget.
Answer:
Provide requested web pages to clients; the other tasks listed there are secondary to that.
Answer:
To feed the computer with data/instructions
