An example of a universal building block is:
A. EX-OR gate
B. AND gate
C. OR gate
D. NOR gate
Answer:D
An example of a universal building block is:
A. EX-OR gate B. AND gate C. OR gate D. NOR gate
Explanation: Universal gates are the ones which can be used for implementing any gate like AND, OR and NOT or any combination of these basic gates. Apart from the NOR gate, NAND gate is also considered as universal gate.