Part 1: Computer basics CPU (Central Processing Unit) Definition: The chip that executes instructions (calculations, comparisons, running your code). Simple meaning: The brain that does the work. Example: Parsing a request, running a loop, or computing a sum is CPU work.
Source: [Dev.to](https://dev.to/coderahul1/fundamentals-of-rediscaching-why-we-use-redis-or-origin-of-it-5cil)