Practice Observations And Results (5) - Introduction to 8085 Microprocessor - Architecture and Basic Operations
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OBSERVATIONS AND RESULTS

Practice - OBSERVATIONS AND RESULTS

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What should be the expected value of the A register after executing Program 1?

💡 Hint: Think about the value moved into the A register.

Question 2 Easy

Which flag indicates a negative result after subtraction?

💡 Hint: Consider what happens to the highest bit in two's complement.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the expected value in the A register after executing data transfer operations?

0H
15H
FFH

💡 Hint: Think about what value you moved into the A register.

Question 2

True or False: A borrow occurs when subtracting a larger number from a smaller number.

True
False

💡 Hint: Recall our discussions on arithmetic operations.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Write an assembly program that adds three numbers and stores the result. Record the observed values versus expected.

💡 Hint: Start by moving the first two values into the Accumulator and sum then add it to the third number.

Challenge 2 Hard

Create an error in a subtraction program intentionally and describe the outcome and flags affected.

💡 Hint: Think about how CPUs handle underflow in subtraction.

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Reference links

Supplementary resources to enhance your learning experience.