The document summarizes key hardware components of a computer:
1. A monitor displays pictures and is used to view programs, while a television can change channels but a monitor cannot. Some monitors can function as televisions and some televisions can be used with computers.
2. Computer memory, also called storage, retains digital data for computing and comes in various components and devices. It is a core function of modern computers.
3. A central processing unit (CPU) or processor can execute computer programs and has changed dramatically over time but maintains the same fundamental operation.
4. The motherboard is the main printed circuit board in devices like computers and is alternatively called the mainboard or system board. It