Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skillsβperfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the formula to represent summation in discrete-time signals?
π‘ Hint: Think about how we add up values up to a certain index.
Question 2
Easy
In what kind of systems is summation commonly used?
π‘ Hint: Consider systems that need to track totals over time.
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 is the primary operation we perform in summation for discrete-time signals?
- Integration
- Accumulation
- Differentiation
π‘ Hint: Consider how summation is similar to keeping a running total.
Question 2
True or False: The summation operation in discrete-time signals can be expressed with the formula y[n] = sum from k=-infinity to n of x[k].
- True
- False
π‘ Hint: Recall the key formula we've discussed.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A digital accumulator receives the following samples: 2, -1, 3, 4, and 5. Calculate the total sum after five samples.
π‘ Hint: Remember to carefully add positive and negative values.
Question 2
In a signal processor, the input signal x[n] is defined as x[n] = n for n = 0 to 10. Using summation, compute the value of y[10].
π‘ Hint: Use the formula for the sum of an arithmetic series!
Challenge and get performance evaluation