Which signal path connecting the memory to the microprocessor ...

[fbq8i]

Which signal path connecting the memory to the microprocessor must be three-state?
 
  A) address bus B) data bus C) control bus D) all of the above

Question 2

How does the 74192/74193 counter control counting up or down?
 
  A) It uses different outputs for counting up and down.
  B) The clock is inverted for counting down.
  C) It has an up/down control input.
  D) It uses separate clock inputs for counting up and down.

[jjorrostieta]

Answer to Question 1

B

Answer to Question 2

D

[fbq8i]

Thanks for the timely response, appreciate it

[dantucker]

TYSM