Exercise: Number Systems And Codes

Questions for: Number Systems And Codes

Sample-and-hold circuits in ADCs are designed to:
A:
sample and hold the output of the binary counter during the conversion process
B:
stabilize the ADCs threshold voltage during the conversion process
C:
stabilize the input analog signal during the conversion process
D:
sample and hold the ADC staircase waveform during the conversion process
Answer: C
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The number of bits used to store a BCD digit is:
A:
8
B:
4
C:
1
D:
2
Answer: B
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Base 10 refers to which number system?
A:
binary coded decimal
B:
decimal
C:
octal
D:
hexadecimal
Answer: B
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Hexadecimal 44 is ________ in decimal.
A:
6810
B:
7410
C:
7710
D:
9810
Answer: A
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The 2's complement of the binary number 1000 is ________.
A:
111
B:
0110
C:
1110
D:
1000
Answer: D
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