Question

Below is a 4-bit down-counter. What is the largest number of the counter if the initial state Q3Q2Q1Q0=0011? (D3 and Q3 are MSB, and when Load = 1 and Count =1 the counter is loaded with the value D3…D0) Selected Answer: IncorrectC. 1100 Answers: CorrectA. 1111 B. 0011 C. 1100 D. 0110

Answer 1

Answer:

The correct answer is option (A) 1111

Explanation:

For initial state Q3Q2Q1Q0=0011,

For load = 1 and count = 1 the count is as follows;

1100

1101

1110

1111

Therefore, the maximum count value is 1111