Synchronous binary counters — scope of use: The statement claims that synchronous binary counters can only be used for the timing of digital systems. Consider whether their applications are limited solely to timing, or if they also include frequency division, event counting, sequencing, and state-machine control in digital electronics.

Difficulty: Easy

Correct Answer: Incorrect

Explanation:


Introduction / Context:
Synchronous binary counters are essential building blocks in digital design. The prompt suggests these counters can only be used for “timing” in digital systems. In practice, synchronous counters are far more versatile: they divide frequency, count events, generate addresses, control sequences, and participate in finite state machines. This question tests your understanding of the breadth of their applications beyond simple timing.



Given Data / Assumptions:

  • A synchronous counter changes all flip-flop stages simultaneously under a common clock.
  • “Timing” typically refers to producing periodic intervals or delays tied to a reference clock.
  • Typical synchronous counters support enable, clear, load, and sometimes up/down control.


Concept / Approach:
Because each stage toggles in a coordinated way, synchronous counters avoid the ripple delays of asynchronous designs. Their clean timing allows reliable high-speed counting and predictable decoding, enabling uses across system control, measurement, and communications. Therefore, restricting them to “only timing” is inaccurate.



Step-by-Step Solution:

Identify typical functions: frequency division, event counting, and code sequencing.Note system-level roles: address generation for memory scanning and pixel timing in displays.Consider control applications: step-through states in controllers and test pattern generators.Conclude that synchronous counters serve many roles beyond timing alone.


Verification / Alternative check:
Design examples commonly cascade synchronous counters to create modulo-N sequences, build baud-rate generators, or produce frame/line counters in video systems—none are solely “timing.”



Why Other Options Are Wrong:

Correct: Would imply exclusivity to timing, which is too narrow.Applies only to ripple counters / Valid only for divide-by-N clocks: These statements confuse counter type and application scope; synchronous counters are widely used beyond pure timing.


Common Pitfalls:
Equating “counter” with “timer” and overlooking state sequencing, decoding, and measurement; assuming that if a device can time, that is its only purpose.


Final Answer:
Incorrect

More Questions from Counters

Discussion & Comments

No comments yet. Be the first to comment!
Join Discussion