One of the Major Drawbacks to the Use of Asynchronous

Multiple Choice

One of the major drawbacks to the use of asynchronous counters is that                          

A) low-frequency applications are limited because of internal propagation delays
B) high-frequency applications are limited because of internal propagation delays
C) asynchronous counters do not have major drawbacks and are suitable for use in high- and low-frequency counting applications
D) asynchronous counters do not have propagation delays, which limits their use in high- frequency applications