Figure 5- 1 the Clocked S- C Flip- Flop

Multiple Choice

Figure 5- 1 The clocked S- C flip- flop in Figure 5- 1 is synchronized by the CLK pulse when:

A) the clock pulse transitions from LOW to HIGH.
B) the clock pulse transitions either HIGH- LOW or LOW- HIGH.
C) the clock pulse remains a constant HIGH.
D) the clock pulse remains a constant LOW.
E) the clock pulse transitions from HIGH to LOW.