Configuration strategy of p-type and n-type units

Q.  How is the configuration strategy of p-type and n-type units in two-input CMOS NAND gate circuit ?
- Published on 16 Oct 15

a. Two p-type units in series & two n-type units in parallel
b. Two p-type units in parallel & two n-type units in series
c. Both p-type & n-type units in parallel
d. Both p-type & n-type units in series

ANSWER: Two p-type units in parallel & two n-type units in series

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