In the equation xq(n)=axq(n-1)+dq(n), if a = 1 then integrator is called?
(a) Leaky integrator
(b) Ideal integrator
(c) Ideal accumulator
(d) Both Ideal integrator & accumulator
The question was posed to me at a job interview.
My doubt stems from Oversampling A/D Converters topic in division Sampling and Reconstruction of Signals of Digital Signal Processing