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The device which is used to connect a peripheral to bus is known as

  1. control register
  2. interface
  3. communication protocol
  4. none of these
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Best answer

Interface is a device which is used to connect a peripheral to bus.

So option B is correct.

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Answer : B

Some computer hardware devices such as a touchscreen can both send and receive data through the interface, while others such as a mouse or microphone may only provide an interface to send data to a given system

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1. A control register is a processor register which changes or controls the general behavior of a CPU or other digital device. Common tasks performed by control registers include interrupt control, switching the addressing mode, paging control, and coprocessor control.
2. Interface is the device which is used to connect a peripheral to bus.
3. In telecommunication, a communication protocol is a system of rules that allow two or more entities of a communications system to transmit information via any kind of variation of a physical quantity. The protocol defines the rules, syntax, semantics and synchronization of communication and possible error recovery methods. Protocols may be implemented by hardware, software, or a combination of both.
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