Q.

A basic S-R flip-flop can be constructed by cross- coupling of which basic logic gates?

A. and or or gates
B. xor or xnor gates
C. nor or nand gates
D. and or nor gates
Answer» C. nor or nand gates
Explanation: the basic s-r flip-flop can be constructed by cross coupling of nor or nand gates. cross coupling means the output of second gate is fed to the input of first gate and vice-versa.
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