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Home ‣ Digital Electronics ‣ MSI Logic Circuits See What Others Are Saying!
- Question
A(n) ________ has a number of input lines, only one of which is activated at a given time, and produces on N-bit output code, depending on which input is activated.
Options- A. encoder
- B. code converter
- C. demultiplexer
- D. decoder
- Correct Answer
- encoder
- 1. Shift-register counters use ________, which means that the output of the last FF in the register is connected back to the first FF in some way.
Options- A. MOD
- B. feedback
- C. strobing
- D. switchbacks Discuss
- 2. 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 Discuss
- 3. 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 Discuss
- 4. 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 Discuss
- 5. 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 Discuss
- 6. A Karnaugh map is similar to a truth table.
Options- A. True
- B. False Discuss
- 7. An octal-to-binary encoder has eight data inputs and encodes an output of ________ bits.
Options- A. two
- B. three
- C. four
- D. five Discuss
- 8. In the OLMC of a GAL16V8, the FMUX selects the signal that is fed into the input matrix.
Options- A. True
- B. False Discuss
- 9. 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 Discuss
- 10. 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. Discuss
More questions
Correct Answer: feedback
Correct Answer: brains
Correct Answer: retriggerable
Correct Answer: macrocells
Correct Answer: True
Correct Answer: True
Correct Answer: three
Correct Answer: True
Correct Answer: address bus
Correct Answer: It is a CMOS NOR gate.
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