Internal Bus

What Does Internal Bus Mean?

An internal bus is a type of data bus that only operates internally in a computer or system. It carries data and operations as a standard bus; however, it is only used for connecting and interacting with internal computer components.

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An internal bus is also known as an internal data bus, frontside bus (FSB) and local bus.

Techopedia Explains Internal Bus

An internal data bus enables the following:

  • Connection of key components installed in or local to a computer
  • Connection of the motheroard with a processor, memory, storage and other components

An internal bus can carry data, memory addresses, control information and any other internal communications or processes. Because an internal bus is internal to the system and closely installed, it enables faster data transfer than an external bus.

Commonly used internal bus examples include a memory bus, system bus and Accelerated Graphics Port (AGP) bus.

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Margaret Rouse

Margaret Rouse is an award-winning technical writer and teacher known for her ability to explain complex technical subjects to a non-technical, business audience. Over the past twenty years her explanations have appeared on TechTarget websites and she's been cited as an authority in articles by the New York Times, Time Magazine, USA Today, ZDNet, PC Magazine and Discovery Magazine.Margaret's idea of a fun day is helping IT and business professionals learn to speak each other’s highly specialized languages. If you have a suggestion for a new definition or how to improve a technical explanation, please email Margaret or contact her…