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Cables, connectors, and interfaces control the flow of information between various devices internally and externally within the personal computer.

Just like the human body has veins, arteries, and pathways to control the blood flow to other parts of the body, the computer has cables and connectors that complete these tasks inside the PC itself. These parts control the flow of information to different peripherals inside of the computer.

There are a wide variety of cables and connectors available for the PC platform and these pages will highlight the main types and functions of each type of connector and cable used in a PC.

Without a cable connecting your sound card to your computer speakers you won't hear sound; without a USB cable connecting your external hard drive to the computer, you won't be able to access that data; without a power cable connected from your computer monitor's power source to an electrical outlet in the wall, you won't be able to power on your monitor. Without cables and connectors, the personal computer is just a big piece of metal.

The only type of technology that does not require any kind of cabling, is the wireless network technology. As the term implies, wireless technology permits for the transmission of data through radio waves signals; cables are simply not required. A fairly ingenious concept but unfortunately wireless is still predominately used for networking technologies, but some other peripherals such as keyboards, mice, and computer based remote controls, have also caught on to the wireless trends.

 
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Internal PC Cables

External PC Cables

Internal PC Connectors

External PC Connectors
 

PageOverview

Internal computer cables control the flow of information to components inside of the computer. These cables are normally not visible until you open the case unit. Every component within the computer needs to connect to the computer's motherboard. Each cable is different in color and functionality and is based on the type of component being connected.

By clicking any of sample images listed below you can view a complete overview of what the particular cable does and how it connects inside the computer.

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Available Documents:
Document Title Document Description Dated Added
Go to illustrated section An Illustrated Guide To Internal PC Cables This document provides an illustrated overview of the most common types of internal PC cables complete with pictures and non technical explanations to help you understand how data flows from internal peripheral components.  
Go to illustrated section An Illustrated Guide To External PC Cables

This document provides an illustrated overview of the most common types of external PC cables complete with pictures and non technical explanations to help you understand how data flows from external peripheral components.  
Go to illustrated section An Illustrated Guide To Internal PC Connectors

This document provides an illustrated overview of the most common types of internal PC connectors to help you understand how the internal cables communicate with components inside the computer.  
Go to illustrated section

An Illustrated Guide To External PC Connectors

This document provides an illustrated overview and non technical explanations of the most common types of external connectors found on the outside of your computer.  
EditRegion12External PC Cables