MCQOPTIONS
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MCQOPTIONS
This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your GATE practice papers - Electronics & Communication knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
How is the process of non-uniform quantization equivalently & combinationallyperformed?A. Passage of baseband signal through the compressorB. Application of compressed signal to a uniform quantizerC. Passage of passband signal through the compressorD. Application of compressed signal to a non-uniform quantizer(Marks : 02) |
| A. | A & B |
| B. | C & D |
| C. | A & D |
| D. | C & B |
| Answer» B. C & D | |
| 2. |
A signal m(t) = 20cos (2 200t) along with carrier generates an FM signal x(t) = 40cos {2 x 10+ 10 sin (2 200t)}. What will be the value of approximate bandwidth of the frequency modulation? (Marks : 02) |
| A. | 200 kHz |
| B. | 2 kHz |
| C. | 4.4 kHz |
| D. | None of these |
| Answer» D. None of these | |
| 3. |
Assume that super heterodyne receiver consumes an IF frequency of 350 kHz by high side tuning to a transmitter with a carrier frequency of 1200 kHz . What would be the value of an image frequency ? (Marks : 01) |
| A. | 1550kHz |
| B. | 8400 kHz |
| C. | 1900 kHz |
| D. | 1000kHz |
| Answer» D. 1000kHz | |
| 4. |
Consider the statements given below:A. All SSS (Stationary in Strict Sense) processes are also WSS (Stationary in Wide Sense)B. All the processes that are WSS(Stationary in Wide Sense) are also absolutelySSS (Stationary in Strict Sense) Which of them are correct? (Marks : 01) |
| A. | A is true & B is false |
| B. | A is false & B is true |
| C. | Both A & B are true |
| D. | Both A & B are false |
| Answer» B. A is false & B is true | |
| 5. |
When can a random process is said to be an ergodic process? (Marks : 01) |
| A. | Only when time averages are less than the ensemble averages |
| B. | Only when time averages are equal to the ensemble averages |
| C. | Only when time averages are greater than the ensemble averages |
| D. | none of the above |
| Answer» C. Only when time averages are greater than the ensemble averages | |