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Number Systems and Codes
Comments
Question
Convert the decimal number 151.75 to binary.
Options
A. 10000111.11
B. 11010011.01
C. 00111100.00
D. 10010111.11
Correct Answer
10010111.11
Number Systems and Codes problems
Search Results
1. What is the result when a decimal 5238 is converted to base 16?
Options
A. 327.375
B. 12.166
C. 1388
D. 1476
Show Answer
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Correct Answer: 1476
2. The difference of 111 ? 001 equals ________.
Options
A. 100
B. 111
C. 001
D. 110
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Correct Answer: 110
3. Convert the following binary number to decimal.
10011010
2
Options
A. 154
B. 155
C. 153
D. 157
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Correct Answer: 154
4. The base of the hexadecimal system is:
Options
A. eight.
B. sixteen.
C. ten.
D. two.
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Correct Answer: sixteen.
5. Convert the Gray code 1011 to binary.
Options
A. 1011
B. 1010
C. 0100
D. 1101
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Correct Answer: 1101
6. When using the repeated division by 2 method of converting from decimal to binary, one must write the first remainder as the:
Options
A. MSB
B. MSB, provided the following sequence of remainders are written in descending order until the final remainder is achieved.
C. LSB
D. LSB, provided the final remainder is used to replace the original LSB, which is then moved to the MSB position.
Show Answer
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Correct Answer: MSB
7. Which of the following is an invalid BCD code?
Options
A. 0011
B. 1101
C. 0101
D. 1001
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Correct Answer: 1101
8. What is the difference between binary coding and binary-coded decimal?
Options
A. BCD is pure binary.
B. Binary coding has a decimal format.
C. BCD has no decimal format.
D. Binary coding is pure binary.
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Correct Answer: Binary coding is pure binary.
9. Convert the binary number 1100 to Gray code.
Options
A. 0011
B. 1010
C. 1100
D. 1001
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Correct Answer: 1010
10. Convert the following octal number to decimal.
17
8
Options
A. 51
B. 82
C. 57
D. 15
Show Answer
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Correct Answer: 15
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