Tutorial 1 - 1.1 Signals (Multiple Choice Question)

What is the primary purpose of signals in audio processing?

• To transmit data over networks

• To store information

• To manipulate sound waves

• To enhance visual quality

Which type of signal is characterized by its values being defined at discrete intervals?

• Random Signals

• Continuous Signals

• Periodic Signals

• Discrete Signals

What is a key characteristic of deterministic signals?

• They can be described using mathematical functions

• They are unpredictable

• They do not repeat

• They vary randomly

In which application are continuous signals primarily utilized?

• Signal modulation

• Real-time systems

• Data storage

• Digital communications

What does the term 'impulse response' refer to in system analysis?

• The maximum output of a system

• The average output over time

• The system's response to a sudden input change

• The output of a system to a constant input

Which of the following is NOT a property of signals?

• Period

• Color

• Amplitude

• Frequency

What is the main function of convolution in signal processing?

• To transmit signals

• To filter signals

• To compress data

• To amplify signals

What is the significance of the Fourier Transform in signal analysis?

• It converts signals to the time domain

• It analyzes frequency components

• It enhances audio quality

• It reduces noise

Which of the following describes a random signal?

• Consistent over time

• Unpredictable and varies without a pattern

• Defined by mathematical functions

• Predictable and repeatable

What is the role of adaptive algorithms in signal processing?

• To adjust filter coefficients automatically

• To increase signal amplitude

• To maintain constant filter coefficients

• To eliminate all noise