Buses (Data, Address, Control) MCQs

By: Prof. Dr. Fazal Rehman | Last updated: June 19, 2025

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1. : Which bus is responsible for transferring data between components of a computer system?





2. : What is the primary function of the address bus?





3. : Which bus line is used to signal which memory location or I/O device is being accessed?





4. : Which bus carries signals that manage and synchronize the operations of the CPU and other components?





5. : What type of bus is used to transmit data to and from memory and peripherals?





6. : Which bus is used to specify the address of the memory location or I/O device that the CPU wants to communicate with?





7. : What does the control bus manage during data transfer operations?





8. : Which bus type is bi-directional, allowing data to be read from or written to a memory location?





9. : What does the address bus determine during a read operation?





10. : Which bus is crucial for the CPU to manage and coordinate its operations with other components?





11. : Which bus component carries the actual data being transferred?





12. : What does the control bus include for managing memory read and write operations?





13. : Which bus is typically wide enough to carry multiple bits of data simultaneously?





14. : In a computer system, what does the control bus signal?





15. : What determines the maximum amount of memory a system can address?





16. : What does the data bus width impact in a computer system?





17. : Which bus connects the CPU to RAM, ROM, and I/O ports for data exchange?





18. : During a memory write operation, which bus carries the data to be written?





19. : Which bus is responsible for carrying control signals to manage the timing of data transfers?





20. : What does the width of the address bus determine?





 

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