Microsoft Azure defines cloud computing as:
Simply put, cloud computing is the delivery of computing services-servers, storage, databases, networking, software, analytics, and more-over the internet (the cloud).
In IoT, cloud computing is used when the devices talk directly to the cloud. Take a look at this IoT stack built using cloud computing:
The sensor data needs to reach the cloud finally. So, what means do we have? We can connect an Ethernet cable to our controller to talk to a router and then send the data via the router or use a Wi-Fi module to interface with a local router access point. We can also use a GSM ...
