Digital Logic Design – Digital Electronics MCQs Set-15 Contain the randomly compiled Digital Electronics Multiple Choice Questions Answers from various reference books and Questions papers for those who is preparing for the various Competitive Exams,Interviews and University Level Exams.
PRACTICE IT NOW TO SHARPEN YOUR CONCEPT AND KNOWLEDGE
1. Which table indicates the input conditions of the flip-flops necessary to cause all possible next state transitions of a flip-flop?
- T characteristic
- Truth
- Flip- flop excitation
- Excitation
C. Flip- flop excitation
2. When a circuit is self- correcting?
- If there are N-1 cycles among its unused states
- If there are N-1 cycles among its used states
- If there are no cycles among its used states
- If there are no cycles among its unused states
D. If there are no cycles among its unused states
3. A PLA consists of two-level____________ circuits on a single chip
- AND-OR
- NOR-NAND
- XOR-AND
- OR-NAND
A. AND-OR
4. In which of the following types of counters, the flip-flops do not change states at exactly the same time?
- Decade counter
- Asynchronous counter with MOD < 2n
- Asynchronous ripple counter
- Cascading asynchronous counter
C. Asynchronous ripple counter
5. The number of states through which the counter goes is also known as ____________
- Counter
- Latch circuit
- Multiplexer
- MOD number
D. MOD number
6. A digital communication system is used to transmit messages, which are in the ____________ form.
- Digital
- Analog
- Both (A) and (B)
- None of the above
B. Analog
7. It contains an equal resistor or current source segment for each possible value of DAC output.
- Hybrid DAC
- Binary weighted DAC
- Segmented DAC
- R-2R Ladder DAC
C. Segmented DAC
8. The total current can be converted into the corresponding voltage by using an _______________.
- Op-Amp
- Binary weighted ladder
- Delta sigma DAC
- Hybrid DAC
A. Op-Amp
9. The number of resistors required for an N-bit DAC is 2N in the case of _____________
- Weighted resistor type DAC
- Binary weighted DAC
- Segmented DAC
- R-2R ladder DAC
D. R-2R ladder DAC
10. The characteristics of a DAC, which are generally specified by the manufacturers
- Linearity
- Resolution
- Accuracy
- All of the above
D. All of the above
