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

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

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

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

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

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

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

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

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