Computer Organization and Architecture2025-262 marksbuses, bus architecture, types of buses and bus arbitration
What is a bus? Explain different types of buses used in a computer system.
What is a bus? Explain different types of buses used in a computer system.
A bus is a group of common wires used to carry information between the units of a computer. Different types are used.
- Address bus: carries the memory or I/O address from the CPU. It is one way.
- Data bus: carries the data between the CPU, memory and I/O. It is two way.
- Control bus: carries signals such as read, write, clock and interrupt, to control the other buses.
Together, they form the system bus.
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