Practice Program 3: Basic Arithmetic Operation (subtraction With Borrow) (4.3)
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Program 3: Basic Arithmetic Operation (Subtraction with Borrow)

Practice - Program 3: Basic Arithmetic Operation (Subtraction with Borrow)

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What happens when we subtract 10 from 05 using the 8085?

💡 Hint: Remember the concept of borrowing in subtraction.

Question 2 Easy

Which flag indicates a borrow occurred in subtraction?

💡 Hint: Think about borrowing in basic arithmetic.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the result of A = 05H and B = 10H in a subtraction operation?

05H
F5H
10H

💡 Hint: What does two's complement represent after a borrow?

Question 2

True or False: The Zero Flag indicates that the result of a subtraction is non-zero.

True
False

💡 Hint: Consider what the Zero Flag signifies in arithmetic.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Suppose you have the values in registers as A = 8AH, B = 4AH. Write an assembly program to subtract B from A and describe the flags' states after execution.

💡 Hint: Check how many bits represent borrow during subtraction.

Challenge 2 Hard

If the Accumulator contains 7F and register B contains 80, what will be the processor's response after a SUB B operation? Illustrate the flags and provide the resulting Accumulator.

💡 Hint: Analyze the effects of the top bit in 2's complement during this subtraction.

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