Digital Electronics - Number Systems and Codes - Discussion

Discussion Forum : Number Systems and Codes - General Questions (Q.No. 23)
23.
Convert the following binary number to decimal.
100110102
154
155
153
157
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
4 comments Page 1 of 1.

SREEJA said:   2 years ago
Can anyone explain this clearly?

Raja said:   1 decade ago
The best way to think is the unity bit is 0, so it cannot be an odd number. Every number except 154 is odd. So correct answer is 154.

Pankaj said:   1 decade ago
@Silpa.
Answer A is right.
2^7=128 not 127.

Shilpa said:   1 decade ago
0*2^0+1*2^1+0*2^2+1*2^3+1*2^4+0*2^5+0*2^6+1*2^7
=0+2+0+8+16+0+0+127
=153

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