(a) Is (Z4, +) a group? Is (Z4, +, *) a ring? Explain.(adsbygoogle = window.adsbygoogle || []).push({});

(b) Is Z4 a field, in other words, does every integer in Z4 have a multiplicative inverse?

(c) Generate the addition table and multiplication table of GF(4).

can someone help me. i am clueless?

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# Consider Z4 ({0, 1, 2, 3} mod 4) and GF (4) (also known as GF(2^2)).

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