Which of the following statements are correct?(a) CMOS has a higher speed and smaller power than BJT.(b) CMOS ICs inputs should never be left unconnected as it may damage the device.(c) CMOS ICs with Schmitt trigger inputs are useful for better noise immunity.(d) CMOS is most popular logic family in VLSI Technology.

• A. (a), (c) and (d) are correct
• B. (b), (c) and (d) are correct
• C. (a), (b) and (c) are correct
• D. (a), (b) and (d) are correct