Almost all comoputers have the same basic structure, be it a personal computer (PC), a mainframe computer, or an embedded computer of an anti-lock brake.
All computer systems have a means to acquire data, some form of intermediate memory to store instructios, and hold data while it is being processed, a processor to perform the actual processing, and a way to “act” based on the results of processing.
This section focuses on this overview of how computers operate.