Multiple choice

Two D-flip-flops, as shown below, are to be connected as a synchronous counter that goes through the following Q1 Q0 sequence 00 $\rightarrow$ 01 $\rightarrow$ 11 $\rightarrow$ 10 $\rightarrow$ 00 $\rightarrow$......... The inputs D0 and D1 respectively should be connected as

  1. $\bar Q_1$ and Q0
  2. $\bar Q_0$ and Q1
  3. $\bar Q_1$$\bar Q_0$ and $\bar Q_1$ Q0
  4. $\bar Q_1$$\bar Q_0$ and Q0 Q1
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The inputs $D_0$ and $D_1$ respectively should be connected as $\bar Q_1$ and $Q_0$ where $Q_0 \rightarrow D_1 \ and \ \bar Q_1 \rightarrow D_0 $