Exercise: Number Systems And Codes

Questions for: Number Systems And Codes

Convert the following decimal number to BCD.
127
A:
011100100001
B:
111010001
C:
001010111
D:
000100100111
Answer: D
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What is the difference between binary coding and binary-coded decimal?
A:
BCD is pure binary.
B:
Binary coding has a decimal format.
C:
BCD has no decimal format.
D:
Binary coding is pure binary.
Answer: D
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Determine the decimal equivalent of the signed binary number 11110100 in 1's complement.
A:
116
B:
–12
C:
11
D:
128
Answer: C
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Convert the Gray code 1011 to binary.
A:
1011
B:
1010
C:
0100
D:
1101
Answer: D
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What decimal number does 25 represent?
A:
10
B:
31
C:
25
D:
32
Answer: D
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