Q1. Why and what is cloud computing? A1. cloud computing is when we store data and access programs over the internet instead of our computer data. We do this because its more flexible which means you ca work from anywhere. Q2. Is cloud computing a new technology? In other words, what is unique about cloud computing? A2. What makes cloud computing unique is the fact that it has a new kind of IT architecture where you can actually rent it rather than build. Cloud computing took off in the 21st century, this is because it had many benefits to it like being able to access multimedia content via the internet. Q3. What are the three major cloud service models, and which service model would you use to run your simple python programs? A3. the three major cloud service models are 1 - IaaS ( Infrastructure as a Service ) 2 - PaaS ( Platform as a service) 3 - SaaS (Software as a Service)^1. SaaS can run python. Q4. What is the economic/business model of cloud computing? A4. Economic : For IT firms and their management department, energy consumption is not a small issue. Along with energy, maintenance of data-centers based on enterprise budget is also a prime factor that needs planning. So IT managers are looking for ways to increase the capacity and flexibility of computing and hardware thereby lowering costs and increasing their return on assets (ROA).the cost and economic factors relevant to cloud technology including architecture trades, the technique of implementation, life-cycle cost, service cost, etc. have striking implications for government as well as in firms.^2 Business : business model variants comprise three different types: public, private and hybrid cloud models. Hybrid cloud models enable a choice between on-premise solutions, solutions managed by a partner or solutions hosted by a third party.^3