Identify non-bus terminology Which of the following options is NOT a recognized system bus category in standard computer architecture?

Difficulty: Easy

Correct Answer: Timer bus

Explanation:


Introduction / Context:
System buses provide structured pathways for communication in computers and embedded systems. The canonical trio is address, data, and control. Recognizing valid terminology prevents confusion when reading block diagrams and datasheets.



Given Data / Assumptions:

  • Typical systems expose address, data, and control buses.
  • Timers are peripherals that may connect to buses but are not buses themselves.


Concept / Approach:
We are to select the item that is not a bus category. “Timer bus” is not standard nomenclature; timers attach to buses or internal interconnects but do not define a separate bus class in the basic taxonomy.



Step-by-Step Solution:
List standard buses → address, data, control.Compare options → “Timer bus” stands out as nonstandard.Choose → Timer bus is not a bus category.



Verification / Alternative check:
Introductory architecture texts and microcontroller references consistently describe the three-bus model without mentioning a distinct “timer bus.”



Why Other Options Are Wrong:
Data, control, and address buses are fundamental and universally referenced.


Common Pitfalls:
Assuming that because a subsystem (timer) interacts with a bus, it defines a new bus category.


Final Answer:
Timer bus

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