26. Which of the following is an example of a counter with a truncated modulus?
(a) 8
(b) 13
(c) 16
(d) 32
27. Which of the following is an invalid output state for an 8421 BCD counter?
(a) 1110
(b) 0000
(c) 0010
(d) 0001
28. Four cascaded modulus-10 counters have an overall modulus of ________.
(a) 10
(b) 100
(c) 1,000
(d) 10,000
29. A BCD counter is a ________.
(a) binary counter
(b) full-modulus counter
(c) decade counter
(d) divide-by-10 counter
30. A 4-bit counter has a maximum modulus of ________.
(a) 3
(b) 6
(c) 8
(d) 16
Related Posts
Counters » Exercise - 121. Which of the following is an invalid state in an 8421 BCD counter? (a) 0011 (b) 1001 (c) 1000 (d) 1100- Counters » Exercise - 173. List which pins need to be connected together on a 7492 to make a MOD-12 counter. (a) 1 to 12, 11 to 6, 9 to 7 (b) 1 to 12, 12 to 6, 11 to 7 (c) 1 to 12, 9 to 6, 8 to 7 (d) 1 to 12
- Counters » Exercise - 155. How many flip-flops are required to construct a decade counter? (a) 10 (b) 8 (c) 5 (d) 4
- Counters » Exercise - 120. How many different states does a 3-bit asynchronous counter have? (a) 2 (b) 4 (c) 8 (d) 16
- Counters » Exercise - 114. List which pins need to be connected together on a 7493 to make a MOD-12 counter. (a) 12 to 1, 11 to 3, 9 to 2 (b) 12 to 1, 11 to 3, 12 to 2 (c) 12 to 1, 11 to 3, 8 to 2 (d) 12 to 1, 11 to 3, 1 to 2