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Digital Electronics
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Ex-OR and Ex-NOR Gates
Comments
Question
In an exclusive-OR, both inputs cannot be HIGH to provide a HIGH output.
Options
A. True
B. False
Correct Answer
True
Ex-OR and Ex-NOR Gates problems
Search Results
1. The odd/even parity system would require a sixth bit to be added to a 4-bit system.
Options
A. True
B. False
Show Answer
Scratch Pad
Discuss
Correct Answer: False
2. The Ex-NOR is sometimes called the equality gate.
Options
A. True
B. False
Show Answer
Scratch Pad
Discuss
Correct Answer: True
3. The ________ code represents alphanumeric characters as seven-bit binary numbers.
Options
A. ASCII
B. octal
C. alphanumeric
D. Boy Scout
Show Answer
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Discuss
Correct Answer: ASCII
4. The MSB of 11001 is ________.
Options
A. 1
B. 1100
C. C
D. 19
16
Show Answer
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Discuss
Correct Answer: 1
5. Resistors?usually 300 Ω apiece?inserted between a decoder and a 7-segment display are ________.
Options
A. pull-up resistors to keep logic HIGH when the input is open
B. sense resistors to enable a test of logic levels
C. current limiting resistors for the 7-segment display
D. surge resistors to prevent damage from power-line variations
Show Answer
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Discuss
Correct Answer: current limiting resistors for the 7-segment display
6. Using the CPLD design environment, we can simulate any combinations of inputs and observe the resulting output to check for proper circuit operation.
Options
A. True
B. False
Show Answer
Scratch Pad
Discuss
Correct Answer: True
7. In a parity generator circuit, an error is signaled on an error indicator.
Options
A. True
B. False
Show Answer
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Discuss
Correct Answer: False
8. Parity generator and checker circuits are available in single IC packages.
Options
A. True
B. False
Show Answer
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Discuss
Correct Answer: True
9. Electrical noise does not affect the transmission of binary information.
Options
A. True
B. False
Show Answer
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Discuss
Correct Answer: False
10. The exclusive-OR provides a LOW input if one input or the other input is HIGH.
Options
A. True
B. False
Show Answer
Scratch Pad
Discuss
Correct Answer: False
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