CPU

CPU

1. The purpose of a CPU

   • It is commonly reffered to as the brain of the computer.
   • It runs programs by fetching, decoding and executing
   • Many electronics rely on the CPU including washing machines and many more

2. The functions of a CPU

   • Fetching: Taking in information
   • Decoding: translating the information so it can understand
   • executing: Finishing the instruction

3. Cache Memory

   • Its like a RAM because it holds instructions that need to be rembered
   • It is closer to the CPU than a RAM so its a lot quicker to access
   • there can be 3 levels of cache memory each further away from the cpu than the other