Reduce the Boolean equation $${\text{AB}} + {\text{ABC}} + \overline {\text{A}} {\text{B}} + {\text{A}}\overline {\text{B}} {\text{C}}$$
A. A + BC
B. B
C. B + AC
D. AC
Answer: Option C
A. A + BC
B. B
C. B + AC
D. AC
Answer: Option C
In which of the following base systems is 123 not a valid number?
A. Base 10
B. Base 16
C. Base 8
D. Base 3
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