A computer must be programmed to do anything. A computer manipulates info around based on its programming 3. It can input information from the outside world 4. It can output information to the outside world. The brains of the computer.
All info goes through the CPU to be processed.
The latest CPUs execute many millions of instructions per second. A CPU doesn't have to run a whole computer. There are specialized CPU's made that are explicitly geared to do specific tasks, such as run the electronics in a car, or a VCR, or microwave oven. Is where the information is stored. Memory is organized in little cubbyholes, each of which needs an address .