Numbers systems and code interview questions

6.
The weight of the LSB as a binary number is:
A. 1
B. 2
C. 3
D. 4
Answer: Option A

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7.
What is the difference between binary coding and binary coded decimal?
A. Binary coding is pure binary.
B. BCD is pure binary.
C. Binary coding has a decimal format.
D. BCD has no decimal format.
Answer: Option A

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8.
Convert the binary number 1001.0010 to decimal.
A. 125
B. 12.5
C. 90.125
D. 9.125
Answer: Option D

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9.
Convert 110010012 (binary) to decimal.
A. 201
B. 2001
C. 20
D. 210
Answer: Option A

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10.
What is the decimal value of the hexadecimal number 777?
A. 191
B. 1911
C. 19
D. 19111
Answer: Option B

Explanation:

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