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Number Systems and Codes
Comments
Question
Convert binary 11001111 to hexadecimal.
Options
A. 8F
16
B. CE
16
C. DF
16
D. CF
16
Correct Answer
CF
16
Number Systems and Codes problems
Search Results
1. Convert the following decimal number to hexadecimal.
125
Options
A. 7D
16
B. D7
16
C. 7C
16
D. C7
16
Show Answer
Scratch Pad
Discuss
Correct Answer: 7D
16
2. Convert the following decimal number to octal.
281
Options
A. 134
8
B. 431
8
C. 331
8
D. 133
8
Show Answer
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Discuss
Correct Answer: 431
8
3. 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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Discuss
Correct Answer: 11100001
4. Decode the following ASCII message.
10100111010100101010110001001011001
01000001001000100000110100101000100
Options
A. STUDYHARD
B. STUDY HARD
C. stydyhard
D. study hard
Show Answer
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Discuss
Correct Answer: STUDY HARD
5. Convert the following hexadecimal number to decimal.
B5
16
Options
A. 212
B. 197
C. 165
D. 181
Show Answer
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Discuss
Correct Answer: 181
6. Determine the decimal equivalent of the signed binary number 11110100 in 1's complement.
Options
A. 116
B. ?12
C. 11
D. 128
Show Answer
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Discuss
Correct Answer: 11
7. Convert the following hexadecimal number to binary.
C9
16
Options
A. 10111001
2
B. 10111011
2
C. 10011100
2
D. 11001001
2
Show Answer
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Discuss
Correct Answer: 11001001
2
8. Convert binary 01001110 to decimal.
Options
A. 4E
B. 78
C. 76
D. 116
Show Answer
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Discuss
Correct Answer: 78
9. How many binary digits are required to count to 100
10
?
Options
A. 7
B. 2
C. 3
D. 100
Show Answer
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Discuss
Correct Answer: 7
10. The BCD number for decimal 347 is ________.
Options
A. 1100 1011 1000
B. 0011 0100 0111
C. 0011 0100 0001
D. 1100 1011 0110
Show Answer
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Discuss
Correct Answer: 0011 0100 0111
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