Binary Coded Decimal addition MCQ — 1 Practice Questions with Answers

Binary Coded Decimal addition is a Basic Computer topic in the RAS/RPSC syllabus. This page gathers exam-style Binary Coded Decimal addition multiple-choice questions with correct answers and explanations, so aspirants can test recall and revise frequently examined concepts.

Practice 1 Binary Coded Decimal addition multiple-choice questions with detailed answers and explanations. Ideal for RAS/RPSC exam preparation.

1 Questions Basic Computer

Reviewed by: Aspirant Academy Editorial Team

Q1. Compute the Binary Coded Decimal (BCD) addition: 2 + 3 = ?

A 1111

B 0000

C 0101 Correct

D 1000

Explanation

In Binary Coded Decimal, each decimal digit is represented separately by a four-bit code. The decimal sum of 2 and 3 is 5, and the BCD representation of the digit 5 is 0101. The code 1111 is not a valid BCD digit for a decimal value from 0 to 9. The code 0000 represents decimal 0, not the sum. The code 1000 represents decimal 8, so it does not match 2 + 3.

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Binary Coded Decimal addition falls under the Basic Computer section of the RAS/RPSC syllabus. It is a frequently tested area and regular practice with these MCQs will strengthen your preparation.

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