Question

97) Which of the following is a unidirectional bus?
A) Data bus
B) Control bus
C) Address bus
D) Processor bus​

Answer 1

¿QUESTION?

Which of the following is a unidirectional bus

A, data bus

B, control bus.

C,address bus

D, processor bus.

≤ANSWER ≥

Which of the following is a unidirectional bus?

A) Data bus☑️

B) Control bus✖️

C) Address bus✖️

D) Processor bus✖️

Answer 2

Address bus is a unidirectional bus.

What is unidirectional bus?

A unidirectional bus only transmits data in one direction; it may use a different bus for data travelling in the opposite direction.

What is bidirectional bus?

A bidirectional bus can carry data in both directions by utilizing distinct modulation or frequencies in the two directions, time multiplexing the two directions, or both.

Data Bus:

• A software architecture for processing and delivering real-time data in intelligent distributed systems is called a data bus.
• It enables devices and applications to function as a single, integrated system.
• The data is transferred via a data bus between the processor and other parts.
• The data bus is bidirectional.

Control Bus:

• The CPU communicates with internal computer devices through a control bus, which is a type of computer bus.
• Control signals are sent from the processor to other components via the control bus.
• The clock's pulses are also sent across the control bus.
• The control bus is bidirectional.

Address Bus:

• A physical address in the memory is specified using the address bus, a computer bus.
• The data bus enables the actual data flow to the CPU, whereas the address bus enables the CPU to send the address to RAM.
• The address bus is unidirectional.

Processor Bus:

• Between the processor and the north bridge, messages are transported via the processor bus.
• Messages are then sent to the computer's memory and other areas as a result.
• This enables the computer to work quickly and simultaneously on several tasks.
• The processor bus is bidirectional.

Hence, the correct answer is C) Address bus.

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