Referring to the given figure, what appears to be wrong, if anything, with the D/A converter and what should be done to correct the problem?

mcq11_1017_1

[A].	There is nothing wrong with the converter.
[B].	There is an offset error; if no provision is made for adjusting the offset, the op-amp may need to be changed.
[C].	There is a nonlinearity error; the op-amp must be changed.
[D].	The power supply voltage appears to be too high; adjust the power supply to the correct value.

Answer: Option B

Explanation:

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