Practice Eight-bit Adder-Subtractor Circuit - 7.7 | 7. Arithmetic Circuits - Part B | Digital Electronics - Vol 1
K12 Students

Academics

AI-Powered learning for Grades 8–12, aligned with major Indian and international curricula.

Academics
Professionals

Professional Courses

Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.

Professional Courses
Games

Interactive Games

Fun, engaging games to boost memory, math fluency, typing speed, and English skillsβ€”perfect for learners of all ages.

games

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What does BCD stand for?

πŸ’‘ Hint: Think about how we encode decimal numbers in binary.

Question 2

Easy

What is the primary purpose of the eight-bit adder-subtractor circuit?

πŸ’‘ Hint: Recall the cascading connection of four-bit adders.

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 maximum decimal sum that can be accurately represented without BCD correction?

  • 7
  • 9
  • 10

πŸ’‘ Hint: Refer back to when correction logic is needed.

Question 2

True or False: An eight-bit adder-subtractor can add multi-digit BCD numbers efficiently.

  • True
  • False

πŸ’‘ Hint: Think about cascading solutions discussed in class.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Design a complete circuit to add two eight-bit numbers using the concepts learned, including necessary corrections for BCD sums over 9.

πŸ’‘ Hint: Think about the structure and what adjustments are needed for subtraction.

Question 2

Given a BCD sum exceeding 9, outline how the circuitry should handle the correction logically.

πŸ’‘ Hint: Use the Boolean expressions to guide your circuit design.

Challenge and get performance evaluation