Practice Status Register (13.3.2.4) - Microprocessors - Part A - Digital Electronics - Vol 2
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Status Register

Practice - Status Register

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What does the status register hold?

💡 Hint: Think about binary indicators related to operations.

Question 2 Easy

What is the function of the carry flag?

💡 Hint: Look at the arithmetic operations for clues.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the primary function of the status register?

Store data permanently
Hold flags from operations
Control input/output

💡 Hint: Remember the flags' purpose in computations.

Question 2

True or False: The carry flag indicates the output was zero.

True
False

💡 Hint: Think about what zero signifies in context.

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

A program uses an addition operation on two 8-bit numbers: 11111110 and 00000010. What states will the status register show after this operation?

💡 Hint: Consider how binary addition works with carries.

Challenge 2 Hard

Write an explanation of what typically happens in a loop that checks the zero flag and includes potential branching if the flag is set. Include how this affects program flow.

💡 Hint: Identify the loop check and its response to the state of the zero flag.

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Reference links

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