Author Question: How does the 74191 counter control counting up or down? A) The clock is inverted for counting ... (Read 54 times)

Arii_bell · **on:** Jul 28, 2018

How does the 74191 counter control counting up or down?

A) The clock is inverted for counting down.
B) It uses different outputs for counting up and down.
C) It has a up/down control input.
D) It uses separate clock inputs for counting up and down.

Question 2

Which signal path connecting the memory to the microprocessor has some lines which may not connect to every RAM chip?

A) address bus B) control bus C) data bus D) all of the above