CBSE Class 11 Computer Science Question 22 of 68

Data Representation and Boolean Logic — Question 6

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6
Question

Question 6

Which of the following is decimal equivalent of (10010)2?

  1. 28
  2. 18
  3. 20
  4. 22
Answer

18

Reason

Binary
No
PowerValueResult
0 (LSB)2010x1=0
12121x2=2
02240x4=0
02380x8=0
1 (MSB)24161x16=16

Equivalent decimal number = 2 + 16 = 18

Therefore, (10010)2 = (18)10.