Practice Subtraction Using 2’s Complement Arithmetic - 3.3.1 | 3. Digital Arithmetic - Part A | 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 skills—perfect for learners of all ages.

games

3.3.1 - Subtraction Using 2’s Complement Arithmetic

Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is the 2’s complement of the binary number 00001110?

💡 Hint: Invert the bits and add 1.

Question 2

Easy

What binary number represents +10 in 4-bit format?

💡 Hint: Count in binary until you reach 10.

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 first step to subtract using 2's complement?

  • Add the minuend and subtrahend directly.
  • Find the 2's complement of the subtrahend.
  • Ignore the final carry.

💡 Hint: Think about how we represent negative numbers.

Question 2

When is the result in 2's complement representation negative?

  • True
  • False

💡 Hint: Check the first bit of the result.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

A store has 62 apples (00111110) and gives away 75 apples (01001011). Using 2's complement, how many apples are left?

💡 Hint: Calculate 2's complement and remember the sign bit.

Question 2

Subtract 50 from 30 using 8-bit 2’s complement arithmetic, providing all steps.

💡 Hint: Pay attention to the sign after your computation.

Challenge and get performance evaluation