[Solved] Which of the following is a direct consequence of Ruby's GIL on multi-threaded programs? — Ans: Threads are serialized when executing Ruby code. | Ruby

Ruby - Concurrent Programming

Which of the following is a direct consequence of Ruby's GIL on multi-threaded programs?

AThreads are serialized when executing Ruby code.

BThreads run in true parallel on multiple CPU cores.

CThreads cannot be created in Ruby.

DThreads automatically share CPU time equally without locking.

Step-by-Step Solution

Solution:

Step 1: Recall GIL behavior
The GIL forces threads to take turns running Ruby code, so they do not run in parallel.
Step 2: Understand serialization
This means threads are serialized (run one after another) when executing Ruby code.
Final Answer:
Threads are serialized when executing Ruby code. -> Option A
Quick Check:
GIL consequence = thread serialization [OK]

Quick Trick: GIL causes threads to run one at a time in Ruby [OK]

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Which of the following is a direct consequence of Ruby's GIL on multi-threaded programs?