Nowadays, the term instance is getting more popular as virtual servers become the norm. These virtual servers provide you flexibility and better use of resources. Particularly for cloud offerings, all cloud providers offer you virtual servers, which can be provisioned with a mere click on a web console or API call. The server instance helps in automation and provides the concept of infrastructure as code, where everything can be automated everywhere.

As your workload varies, there is a different kind of processing unit choice available. Let's look at some of the most popular options of processing power:

• Central processing unit (CPU): The CPU is one of the most popular computing processing choices. CPUs are easy to program, they enable multitasking, and, most importantly, are versatile enough to fit anywhere, which makes them the preferred choice for general-purpose applications. The CPU's function is measured in GHz (gigahertz), which indicates...