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Binary coded decimal is a combination of __________

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Binary coded decimal is a combination of __________

(a) Two binary digits

(b) Three binary digits

(c) Four binary digits

(d) Five binary digits

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This is a very interesting question from Binary Coded Decimal(BCD) topic in division Number System and Codes of Digital Circuits

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Right option is (c) Four binary digits

Explanation: Binary coded decimal is a combination of 4 binary digits. For example-8421.

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