Digital Counter Test - 2

1. In a 4-bit binary ripple counter, four master-slave flip-flops are internally connected to provide a ________ bit counter.

Divide-by-2 & divide-by-8

Divide-by-2 & divide-by-6

Divide-by-6 & divide-by-8

Divide-by-4 & divide-by-8

2. List which pins need to be connected together on a 7493 to make a MOD-12 counter.

12 to 1, 11 to 3, 9 to 2

12 to 1, 11 to 3, 1 to 2

12 to 1, 11 to 3, 8 to 2

12 to 1, 11 to 3, 12 to 2

3. The set inputs are used in a decade counter, why?

To set the counter to 0001

To set the counter to 1000

To set the counter to 0011

To set the counter to 1001

4. In a 4-bit decade counter, four master-slave flip-flops are internally connected to provide a ________ bit counter.

Divide-by-2 & divide-by-5

Divide-by-6 & divide-by-8

Divide-by-2 & divide-by-6

Divide-by-4 & divide-by-8

5. IC 7493 consist of ____________

4 J-K flip-flop

4 S-R flip-flop

4 D flip-flop

4 master-slave flip-flop

6. Ripple counter IC has _____________

14 pins

10 pins

11 pins

12 pins

7. What is the difference between 7490 and a 7492?

7490 is a MOD-16, 7492 is a MOD-10

7490 is a MOD-12, 7492 is a MOD-10

7490 is a MOD-12, 7492 is a MOD-16

7490 is a MOD-10, 7492 is a MOD-12

8. How many different states does a 2-bit asynchronous counter have?

9. Integrated-circuit counter chips are used in numerous applications including ____________

Timing operations, counting operations, sequencing, and frequency division

Timing operations, counting operations, sequencing, and frequency multiplication

Timing operations, decoding operations, sequencing, and frequency multiplication

Data generation, counting operations, sequencing, and frequency multiplication

10. Which of the following is a decade counter?

IC 7492

IC 7493

IC 7490

IC 7491