What value of x satisfies the equation $$\sqrt {{{\left( {121} \right)}_7}} = {\left( x \right)_2}?$$
(where integer numbers written as subscripts are the base of the corresponding number systems.)
A. 1011
B. 0111
C. 1010
D. 1000
Answer: Option D
This Question Belongs to Electronics And Communications Engineering >> Digital Electronics
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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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