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A modern PC is both simple and complicated. It is simple in the sense that over the years, many of the components used to construct a system have become integrated with other components into fewer and fewer actual parts. It is complicated in the sense that each part in a modern system performs many more functions than did the same types of parts in older systems.

This section briefly examines all the components and peripherals in a modern PC system. Each item is discussed further in later chapters.

Here are the components and peripherals necessary to assemble a basic modern PC system:

Motherboard

Processor

Memory (RAM)

Case/chassis

Power supply

Floppy drive

Hard disk

CD-ROM, CD-RW, or DVD-ROM drive

Keyboard

Mouse

Video card

Monitor (display)

Sound card

Speakers

Modem