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- Question
An astable multivibrator is a circuit that ________.
Options- A. has two stable states
- B. is free-running
- C. produces a continuous output signal
- D. is free-running and produces a continuous output signal
- Correct Answer
- produces a continuous output signal
- 1. 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
- 2. In the OLMC of a GAL16V8, the FMUX selects the signal that is fed into the input matrix.
Options- A. True
- B. False Discuss
- 3. 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
- 4. 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
- 5. An inverter output is the complement of its input.
Options- A. True
- B. False Discuss
- 6. A half-adder does not have ________.
Options- A. carry in
- B. carry out
- C. two inputs
- D. all of the above Discuss
- 7. The AD7524, a CMOS IC available from several IC manufacturers, is an eight-bit D/A converter that uses a(n) ________.
Options- A. sample-and-hold circuit
- B. R/2R ladder network
- C. multiplexer
- D. 10 µs clock Discuss
- 8. A binary number can be converted to be viewed on a 7-segment display by a(n) ________.
Options- A. decoder
- B. encoder
- C. multiplexer
- D. magnitude comparator Discuss
- 9. Convert the following octal number to decimal.
178
Options- A. 51
- B. 82
- C. 57
- D. 15 Discuss
- 10. The final step in the device programming sequence is ________.
Options- A. compiling
- B. downloading
- C. simulation
- D. synthesis Discuss
More questions
Correct Answer: three
Correct Answer: True
Correct Answer: address bus
Correct Answer: It is a CMOS NOR gate.
Correct Answer: True
Correct Answer: carry in
Correct Answer: R/2R ladder network
Correct Answer: decoder
Correct Answer: 15
Correct Answer: downloading
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