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Number Systems and Codes
Comments
Question
The binary number 101110101111010 can be written in octal as ________.
Options
A. 51562
8
B. 56577
8
C. 65627
8
D. 56572
8
Correct Answer
56572
8
Number Systems and Codes problems
Search Results
1. Select one of the following statements that best describes the parity method of error detection.
Options
A. Parity checking is best suited for detecting single-bit errors in transmitted codes.
B. Parity checking is not suitable for detecting single-bit errors in transmitted codes.
C. Parity checking is capable of detecting and correcting errors in transmitted codes.
D. Parity checking is best suited for detecting double-bit errors that occur during the transmission of codes from one location to another.
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Correct Answer: Parity checking is best suited for detecting single-bit errors in transmitted codes.
2. Convert hexadecimal value 16 to decimal.
Options
A. 22
10
B. 16
10
C. 10
10
D. 20
10
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Correct Answer: 22
10
3. The 2's complement of 11100111 is ________.
Options
A. 11100110
B. 00011001
C. 00011000
D. 00011010
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Correct Answer: 00011001
4. 3 × 10
1
+ 7 × 10
0
is equal to ________.
Options
A. 3.7
B. 37
C. 10
D. 370
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Correct Answer: 37
5. Which of the following is the primary advantage of using the BCD code instead of straight binary coding?
Options
A. Fewer bits are required to represent a decimal number with the BCD code.
B. The relative ease of converting to and from decimal.
C. BCD codes are easily converted to hexadecimal codes.
D. BCD codes are easily converted to straight binary codes.
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Correct Answer: The relative ease of converting to and from decimal.
6. What is the resultant binary of the decimal problem 49 + 01 =?
Options
A. 01010101
B. 00110101
C. 00110010
D. 00110001
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Correct Answer: 00110010
7. The decimal number for octal 74
8
is ________.
Options
A. 74
B. 60
C. 22
D. 62
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Correct Answer: 60
8. Convert the following hexadecimal number to decimal.
B5
16
Options
A. 212
B. 197
C. 165
D. 181
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Correct Answer: 181
9. Decode the following ASCII message.
10100111010100101010110001001011001
01000001001000100000110100101000100
Options
A. STUDYHARD
B. STUDY HARD
C. stydyhard
D. study hard
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Correct Answer: STUDY HARD
10. Assign the proper even parity bit to the code 1100001.
Options
A. 11100001
B. 1100001
C. 01100001
D. 01110101
Show Answer
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Correct Answer: 11100001
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