[Solved] What is the main purpose of using a Mutex in Ruby threads? — Ans: To prevent multiple threads from accessing shared data at the same time | Ruby

Ruby - Concurrent Programming

What is the main purpose of using a Mutex in Ruby threads?

ATo create new threads automatically

BTo prevent multiple threads from accessing shared data at the same time

CTo speed up thread execution by running them in parallel

DTo stop threads from running

Step-by-Step Solution

Solution:

Step 1: Understand what shared data means in threads
Shared data is information that multiple threads can access or change.
Step 2: Identify the role of Mutex
Mutex ensures only one thread changes shared data at a time to avoid errors.
Final Answer:
To prevent multiple threads from accessing shared data at the same time -> Option B
Quick Check:
Mutex protects shared data = prevent simultaneous access [OK]

Quick Trick: Mutex locks shared data to avoid conflicts between threads [OK]

Common Mistakes:

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What is the main purpose of using a Mutex in Ruby threads?