Chip is the largest general term, as long as it contains a variety of semiconductor components integrated circuits are chips. A processor is a type of chip, a logic machine that can execute programs. The CPU used in the computer is actually called the central processing unit (CPU), which is a kind of processor. Others can be such as image processors, digital signal processors, etc. In terms of computer hardware, the kernel refers to the internal core of the processor, an independent processing unit packaged in a component, called the core.
In computer software refers to the most basic part of the operating system, responsible for managing system resources and providing access to system resources, called kernel.