Question

explain how fundamental logic gates can be realized by using NOR gates alone

Answer 1

The world NOR gate is just an short form the NOT and OR gate combination. Hence a NOR gate is made up from a OR gate which is followed by inverter if all the inputs is at the binary low state I.e. at 0 then the output received will be at the binary high state I.e. at the 1and in case of any input of both the input at binary high the output will be binary low.

"logic gates perform basic logically functions and are the fundamental buildings blocks of digital integrated circuits. Most logic gates take an input of two an binary values, and output a single value of 1 or 0. some circuits may have only a few logic gates, while others, such as
Microprocessors, may have million of them".

"NAND gates are one of two basic logics (the other being NOR logic) from which any other logic gates can be built. Due to this properly, NAND and NOR gates are some times called
"universal "".
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