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110. A D flip-flop utilizing a PGT clock is in the CLEAR state. Which of the following input actions will cause it to change states?
(a) CLK = NGT, D = 0
(b) CLK = PGT, D = 0
(c) CLOCK NGT, D = 1
(d) CLOCK PGT, D = 1[E]. CLK = NGT, D = 0, CLOCK NGT, D = 1
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