List of top Electronics and Communication Engineering Questions on Digital Signal Processing asked in AP PGECET

The total number of complex multiplications required to compute N point DFT by radix-2 FFT is?
If \( x[n] = \{1, 0, -2, 3\} \) and \( y[n] = x[n] \ast x[n] \), the maximum value of \( y[n] \) is
The primary function of a clamper circuit is
What is the period of the following signal, \( x(t) = \sin(18\pi t + 78^\circ) \)?
A PAM signal can be detected by using
A function \( x(t) \) is said to have half-wave odd symmetry if
The impulse response of a continuous time system is given by \( h(t) = \delta(t - 1) + \delta(t - 3) \). The value of the step response at \( t = 2 \) is
If the input to a comparator is a sine wave, the output is
A circuit that uses an amplifier with passive filter elements is called as a(n)