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The surroundings of a computer is filled with cables. This page will sort out some of the most common according to their use. Roughly, cable is a piece of wire with a connector at both ends of the cable.

Contents

Networking

Ethernet cable

Main article: Ethernet cable

The vast majority of networks in work today are ethernet which most commonly uses a cable of the type Twisted Pair, standardized using categories (Cat 3, Cat 5, Cat 5e, Cat 6). The categories specify how high frequencies the cable is able to carry, and thereby the speed at which data can be sent.

Most networks today use Cat 5 or Cat 5e, allowing speeds of 100 Mbit/s and 1000 Mbit/s respectively. New installations are now using cat 6 or better.

Serial communication

RS232 cable USB cable

Graphics/Video

s-video

Power supply

power cable

Internal cabling

Ribbon cable

A flat cable with many parallel wires. Because of their shape, ribbon cables are ideal for situations where space needs to be conserved. They're used to connect floppy disk drives, hard disk drives (IDE, SCSI, etc.), zip drives and optical drives (CD-ROM, DVD-ROM, etc.) to the disk drive controllers.

Power cable

There is internal poower cabling inside the computer for all separately added devices, like harddisks, floppy drives, fans and optical drives.

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