When does the output signal TCd of the 74192/74193 up/down ...

[chandani]

When does the output signal TCd of the 74192/74193 up/down counter go active?
 
  A) Whenever the counter is counting down. B) Whenever the counter outputs are zero.
  C) When the count reaches 0 while counting down. D) Whenever the clock labeled Cpd is active.

Question 2

Which of the following allow the user to connect pre-defined logic symbols?
 
  A) VHDL editor B) waveform simulator
  C) schematic editor D) compiler

[Sammyo]

Answer to Question 1

C

Answer to Question 2

C

[chandani]

TYSM

[nothere]

Gracias!