It Networking, Os & Vir... | Computing Fundamentals:

The OS decides which apps get to use the CPU (the brain) and how much RAM (short-term memory) they receive.

These three don't work in isolation. A needs an Operating System to function, and it needs a Network to communicate with the outside world. Mastering these fundamentals is the "Level 1" for anyone looking to build, secure, or manage the technology of tomorrow. Computing Fundamentals: IT Networking, OS & Vir...

This is the secret sauce—a layer of software that sits between the physical hardware and the virtual machines (VMs), tricking each VM into thinking it has its own dedicated processor and memory. The OS decides which apps get to use