Computer Science
Which of the following is decimal equivalent of (10010)2?
- 28
- 18
- 20
- 22
Number System
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Answer
18
Reason —
| Binary No | Power | Value | Result |
|---|---|---|---|
| 0 (LSB) | 20 | 1 | 0x1=0 |
| 1 | 21 | 2 | 1x2=2 |
| 0 | 22 | 4 | 0x4=0 |
| 0 | 23 | 8 | 0x8=0 |
| 1 (MSB) | 24 | 16 | 1x16=16 |
Equivalent decimal number = 2 + 16 = 18
Therefore, (10010)2 = (18)10.
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