A) To process images using analog technology
B) To store signals in physical media
C) To analyze and modify signals using digital systems
D) To create music using traditional instruments

A) A continuous signal with infinite values
B) A signal that amplifies quickly
C) A signal that changes smoothly over time
D) A signal defined at discrete time points

A) Analog voltage regulator
B) Optical lens filter
C) Finite Impulse Response (FIR) filter
D) Mechanical water filter

A) To store signals in a database
B) To efficiently compute the frequency components of a signal
C) To amplify the signal power
D) To convert analog signals to digital signals

A) Reducing the number of samples in a signal
B) Assigning discrete levels to continuous signal values
C) Doubling the amplitude of a signal
D) Creating random signal patterns

A) Exponential growth
B) Trigonometry
C) Square root
D) Convolution

A) It predicts the lifetime of digital signal processors
B) It calculates the signal-to-noise ratio of a signal
C) It states that a signal should be sampled at twice its highest frequency
D) It determines the color of digital signal displays

A) To perform mathematical operations on digital signals
B) To generate random noise signals
C) To analyze physical vibrations
D) To convert analog signals to digital signals

A) To reduce spectral leakage in Fourier analysis
B) To create reverberation effects
C) To increase signal distortion
D) To amplify high-frequency noise