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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does a Gain Block do to an input signal?
💡 Hint: Think about how the input is altered.
Question 2
Easy
If an input signal is 5 and the gain is 3, what is the output?
💡 Hint: Multiply the input by the gain.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What does a multiplier or gain block do in a digital signal?
- Inverts the signal
- Scales amplitude
- Changes frequency
💡 Hint: Think about how signals are manipulated in processing.
Question 2
True or False: A gain block can only amplify a signal.
- True
- False
💡 Hint: Consider both positive and negative gain values.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
You have a Gain Block with a gain of -3 and an input signal x[n] = [1, 0, -2]. What will be the resulting output signal?
💡 Hint: Apply the gain to each element of the input signal.
Question 2
Draw and label a block diagram for a system that combines two input signals through a Gain Block with a gain of 2. What is the output signal expression?
💡 Hint: Remember that both inputs are added before multiplying by the gain.
Challenge and get performance evaluation