CSC211/311 (DIGITAL LOGIC)

6.

what is the value of y in the diagram

$(AB)+(BC)$

$(\overline{AB})B\overline{C}$

$(AB)+(B\overline{C})$

$(AB)+(B + \overline{C})$

7.

Which of the following is true for an up-counter?

It operates only in binary.

It counts in a descending order.

It counts in an ascending order, from 0 to the maximum count.

It can only count to a fixed number.

8.

Which of the following is the main limitation of an SR flip-flop?

It cannot be used in sequential circuits.

It has an undefined state when both S=1 and R=1.

It cannot handle asynchronous inputs.

It cannot store a bit of data.

9.

For a Boolean function with three variables A,B,C, how many minterms are possible?

5

4

8

6

10.

What is the main characteristic of a D flip-flop?

The output toggles based on the clock signal.

The output follows the input on the next clock edge.

It has no clock input.

It requires two inputs to operate.