They are completely different.
Instruction sets architecture (ISA) is a language used to tell the CPU what to do. It defines how you ask the CPU to add, multiply, do other logic, etc.
The kernel is an operating system concept. It is the core code behind an operating system, whose primary job is to provide an environment and tools for programs to run. The kernel is the code that decides what programs to run in what order, allowing programs to access resources they need to run, etc.
Latest Answers