Question 1 - MCQ questions (1 mark each) - Chapter 2 Class 11 - Encoding Schemes and Number System

The binary equivalent of 3 ₁₀ is

(a) 0010 ₂

(b) 0011 ₂

(c) 0101 ₂

(d) 1010 ₂

Answer:

3 ₁₀ is a decimal number. 

To convert a decimal number to its binary equivalent:

• Repeatedly divide the decimal number by 2 until the quotient becomes 1 and record all the remainders. 
• The remainders should be written bottom to upwards to get the binary equivalent of the decimal number.

Therefore, 3 ₁₀ = 11 ₂ = 0011 ₂

So, the correct answer is (b).