The expression X + $$\overline {\text{X}} $$ ⋅ Y is equal to
A. 1
B. 0
C. X + Y
D. 1 + Y
Answer: Option C
A. 1
B. 0
C. X + Y
D. 1 + Y
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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