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Digital Electronics
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Digital Concepts
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Question
To determine which of two binary numbers is larger, you could use a(n) ________.
Options
A. register
B. adder
C. encoder
D. magnitude comparator
Correct Answer
magnitude comparator
More questions
1. The timing and control block provides the ________ for the frequency counter.
Options
A. brains
B. BCD counters
C. display register
D. six different frequency measurement ranges
Show Answer
Scratch Pad
Discuss
Correct Answer: brains
2. A(n) ________ one-shot starts a pulse in response to a trigger and will restart the internal pulse timer every time a subsequent trigger edge occurs before the pulse is complete.
Options
A. non-retriggerable
B. retriggerable
C. high-level triggered
D. edge-triggered
Show Answer
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Discuss
Correct Answer: retriggerable
3. The complex programmable logic device (CPLD) contains several PAL-type simple programmable logic devices (SPLDs) called:
Options
A. macrocells
B. microcells
C. AND/OR arrays
D. fuse-link arrays
Show Answer
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Discuss
Correct Answer: macrocells
4. The word size is defined as the number of bits in the binary word that a digital system operates on.
Options
A. True
B. False
Show Answer
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Discuss
Correct Answer: True
5. A Karnaugh map is similar to a truth table.
Options
A. True
B. False
Show Answer
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Correct Answer: True
6. An octal-to-binary encoder has eight data inputs and encodes an output of ________ bits.
Options
A. two
B. three
C. four
D. five
Show Answer
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Discuss
Correct Answer: three
7. In the OLMC of a GAL16V8, the FMUX selects the signal that is fed into the input matrix.
Options
A. True
B. False
Show Answer
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Discuss
Correct Answer: True
8. An example of a unidirectional bus in a microcomputer system is the ________.
Options
A. address bus
B. data bus
C. control bus
D. all of the above
Show Answer
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Discuss
Correct Answer: address bus
9. What type of logic circuit is shown below and what logic function is being performed?
Options
A. It is an NMOS AND gate.
B. It is a CMOS AND gate.
C. It is a CMOS NOR gate.
D. It is a PMOS NAND gate.
Show Answer
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Discuss
Correct Answer: It is a CMOS NOR gate.
10. An inverter output is the complement of its input.
Options
A. True
B. False
Show Answer
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Discuss
Correct Answer: True
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