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Digital Electronics
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Number Systems and Codes
Comments
Question
Hexadecimal letters A through F are used for decimal equivalent values from:
Options
A. 1 through 6
B. 9 through 14
C. 10 through 15
D. 11 through 17
Correct Answer
10 through 15
Number Systems and Codes problems
Search Results
1. Convert the binary number 1001.0010
2
to decimal.
Options
A. 90.125
B. 9.125
C. 125
D. 12.5
Show Answer
Scratch Pad
Discuss
Correct Answer: 9.125
2. Convert 1100101000110101
2
to hexadecimal.
Options
A. 121035
B. CA35
C. 53AC1
D. 530121
Show Answer
Scratch Pad
Discuss
Correct Answer: CA35
3. The octal numbering system:
Options
A. simplifies tasks
B. groups binary numbers in groups of 4
C. saves time
D. simplifies tasks and saves time
Show Answer
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Discuss
Correct Answer: simplifies tasks and saves time
4. How many BCD code bits and how many straight binary bits would be required to represent the decimal number 643?
Options
A. 12 BCD, 12 binary
B. 12 BCD, 10 binary
C. 12 BCD, 9 binary
D. 16 BCD, 9 binary
Show Answer
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Discuss
Correct Answer: 12 BCD, 10 binary
5. Convert the following octal number to decimal.
17
8
Options
A. 51
B. 82
C. 57
D. 15
Show Answer
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Discuss
Correct Answer: 15
6. Convert the following binary number to octal.
001101011
2
Options
A. 153
8
B. 351
8
C. 253
8
D. 352
8
Show Answer
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Discuss
Correct Answer: 153
8
7. Which is typically the longest: bit, byte, nibble, word?
Options
A. Bit
B. Byte
C. Nibble
D. Word
Show Answer
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Discuss
Correct Answer: Word
8. Which is not a word size?
Options
A. 64
B. 28
C. 16
D. 8
Show Answer
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Discuss
Correct Answer: 28
9. Convert the following octal number to decimal.
35
8
Options
A. 71
B. 17
C. 92
D. 29
Show Answer
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Discuss
Correct Answer: 29
10. The binary-coded decimal (BCD) system can be used to represent each of the 10 decimal digits as a(n):
Options
A. 4-bit binary code
B. 8-bit binary code
C. 16-bit binary code
D. ASCII code
Show Answer
Scratch Pad
Discuss
Correct Answer: 4-bit binary code
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