Any complete collection of hardware, firmware, and peripherals, designed to work together. In the PC world a computer system comprises at least the following: a system unit that houses hardware and floppy disk drives, memory, the motherboard and any required expansion boards: a keyboard, a mouse and a monitor. Other hardware devices may also be present, such as a printer, modem or backup tape drive

Although the operating system and even application software can be thought of as parts of a complete computer system this category focuses on the HARDWARE components only.

The Computers/Systems category covers hardware and software systems.