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Digital Electronics
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Number Systems and Codes
Comments
Question
The binary number 11101011000111010 can be written in hexadecimal as ________.
Options
A. DD63A
16
B. 1D63A
16
C. 1D33A
16
D. 1D631
16
Correct Answer
1D63A
16
Number Systems and Codes problems
Search Results
1. The 1's complement of 10011101 is ________.
Options
A. 01100010
B. 10011110
C. 01100001
D. 01100011
Show Answer
Scratch Pad
Discuss
Correct Answer: 01100010
2. Convert 1731
8
to decimal.
Options
A. 216.4
B. 985
C. 3D9
D. 1123
Show Answer
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Discuss
Correct Answer: 985
3. Convert decimal 64 to binary.
Options
A. 01010010
B. 01000000
C. 00110110
D. 01001000
Show Answer
Scratch Pad
Discuss
Correct Answer: 01000000
4. 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
5. 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
6. Convert the following hexadecimal number to binary.
14B
16
Options
A. 101101000001
2
B. 000101001011
2
C. 000101001101
2
D. 110101000001
2
Show Answer
Scratch Pad
Discuss
Correct Answer: 000101001011
2
7. How many bits are in an ASCII character?
Options
A. 16
B. 8
C. 7
D. 4
Show Answer
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Discuss
Correct Answer: 7
8. A binary number's value changes most drastically when the ________ is changed.
Options
A. MSB
B. frequency
C. LSB
D. duty cycle
Show Answer
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Discuss
Correct Answer: MSB
9. 3428 is the decimal value for which of the following binary-coded decimal (BCD) groupings?
Options
A. 11010001001000
B. 11010000101000
C. 011010010000010
D. 110100001101010
Show Answer
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Discuss
Correct Answer: 11010000101000
10. The sum of 11101 + 10111 equals ________.
Options
A. 110011
B. 100001
C. 110100
D. 100100
Show Answer
Scratch Pad
Discuss
Correct Answer: 110100
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