What type of data does a data bus primarily transfer?

The data bus is a fundamental component of computer architecture that is responsible for transferring data between different components of the computer, such as the CPU, memory, and input/output devices. Its primary function is to carry actual data (binary information) that is being processed or communicated within the system.

By focusing on the movement of this information, the data bus facilitates the communication necessary for the functionality of hardware components. It allows for the efficient transfer of data needed for computations, storage, and various operations performed by the system.

In contrast, control signals pertain to commands sent by the control unit to direct operations, while address specifications indicate where data should be sent or retrieved. Power supply management involves ensuring that components receive the appropriate voltage and current, which is unrelated to the transfer of data. Each of these functions is critical but distinct from the primary role of the data bus, which solely focuses on data transfer.