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Computer Buses
System Interaction
100
A communication pathway. It is defined by how many bits it can transmit at one time and how fast data can be transferred.
What is a bus?
100
A signal that a device sends to the CPU to get its attention.
What is an interrupt?
200
The bus that transmits memory addresses between the CPU and RAM.
What is an address bus?
200
The operation used to check devices in the computer that must check everyone device before the signal reaches the CPU.
What is polling?
300
The bus that transfers data between the CPU and RAM.
What is the data bus?
400
The bus to which add-on adapter cards are connected to in order to enhance the functionally of the PC.
What is the expansion bus?
500
The bus that transmits display information between the CPU and the video circuitry.
What is the video bus?