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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the excess-3 equivalent of the decimal number 5?
💡 Hint: Remember to add 3 to the decimal number.
Question 2
Easy
Which part of the excess-3 subtraction process corrects the invalid BCD groups?
💡 Hint: Focus on what we do when a result does not represent a valid BCD value.
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 do you add to obtain the excess-3 code for a decimal number?
- 0011
- 0100
- 0001
💡 Hint: Consider what 'excess-3' actually implies.
Question 2
True or False: Invalid BCD groups can represent decimal values.
- True
- False
💡 Hint: Recall the structure of BCD and which combinations are valid.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Perform the subtraction (705) - (245) using excess-3 code and demonstrate each step.
💡 Hint: Make sure to trace through the BCD validation process.
Question 2
Can you solve the subtraction of two decimal BCD numbers (99) and (31) using excess-3 code? Document every modification.
💡 Hint: Detail every alteration rigorously to ensure a valid BCD outcome.
Challenge and get performance evaluation