Digital Concepts

Give the decimal value of binary 10010.

A 6₁₀

B 9₁₀

C 18₁₀

D 20₁₀

ANS:C - 18₁₀

8421 code is calculated method of 1*2^0+1*2^1+1*2^2+1*2^3+1*2^4+.....=1 2 4 8 16 32.

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