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For the following questions answer them individually
$$\alpha ,\beta$$ are the roots of the equation $$x^{2} + x + 1 = 0$$. Then $$\alpha^{3n} + \beta^{3n}$$ is
A point moving in the complex plane satisfies the following relation $$z^{2} + z^{*^{2}} = 8$$, where $$z^*$$ stands for the complex conjugate of z. The difference of the distances of the moving point from $$(2 \sqrt{2}, 0)$$ and $$(-2 \sqrt{2}, 0)$$ is
The greatest negative number which can be stored ina computer that has 8-bit word length and uses 2’s complementarithmeticis
Which of the following ADCs uses over sampling in its operation
A mealy state machine’s output depends on
The characteristic equation of the $$T - FF$$ is given by
Percentage modulation of an AM wave having a powercontent of 8 KW at carrier frequency and 2 KW in each of its side bandsis
Approximate equivalent noise temperature (deg. K) of an amplifier with a noise factor of 1.04 is
A differential amplifier is used in the input stage of Op-Ampsto achieve very high
Which two-port parameters are best suited for analyzing a series-shunt feedback circuit?
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