Electronics

Electronics is the science of how to control electric energy, energy in which the electrons have a fundamental role.electronics is widely used in information processing, telecommunication, and signal processing. The ability of electronic devices to act as switches makes digital information processing possible.

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Digital Communications Lab Viva Questions with Answers part - I

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Home / Lab Viva Questions / DC Lab part-I 1.      What are the disadvantages of Analog communication? Its not reliable, Noise effect is more on the signals, Power required for signal transmission also more, Circuit complexity is more and costly. 2.      What are the Advantages of Digital Communication? Reliable, Noise effect is very less, power consumption is very less, various Digital...

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Digital signal processing lab viva questions on Z transforms and DFT, FFT

07:02    4 comments

Home/ lab viva questions/ DSP Part-II& III Part-II : Z Transforms 1. Define one-sided and two-sided Z-transform. 2. What is region of convergence (ROC)? The region of Z magnitude (|Z|) for which  x(n).|Z|-n is absolutely summable 3. State the  Initial value and final value theorem with regard to Z-transform. 4. Define Z-transform of unit step signal.            ...

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