Practice Lock: Mutual Exclusion (5.1) - Chapter 7: Concurrency and Parallelism in Python

Practice: Lock: Mutual Exclusion

Lesson 5.1Concurrency and Parallelism in Python

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8 questions

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2 cards from this section. Quick, good the night before a test.
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6 sample questions

Question 1.
Explain what a lock is in the context of multi-threading.
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Think about how locks control access to shared resources.
Question 2.
What is a race condition?
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Consider scenarios where timing and order of operations can affect outcomes.
3Question 3.
What does a lock do in a multi-threaded application?
- Allows multiple threads to access a resource
- Prevents simultaneous access to a critical section
- Data corruption occurs
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Think about how locks control concurrent access.
4Question 4.
True or False: Locks can lead to race conditions.
- True
- False
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Consider what race conditions are and how locks function.
Question 5.
You have a list where multiple threads append items. Design a solution using locks to prevent race conditions while ensuring that all items are added to the list.
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Consider how you would manage critical access to the data structure.
Question 6.
Analyze a scenario where one thread is waiting indefinitely on a lock held by another. What could be the possible reasons and how would you resolve this issue?
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Think about what might cause one thread to keep holding onto a lock without releasing it.

4 more questions in this section. Enroll free to practise them all.