Answer
A thread is the smallest unit of execution.
It allows multiple tasks to run concurrently.
Quick Answer
A thread is the smallest unit of execution — a path of code running through your program. By default your app runs on one thread. Additional threads run work in parallel. But threads are expensive and share memory, so misuse causes race conditions and unpredictable bugs.
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SugharaIQ Editorial Team
Verified Answer
This answer has been peer-reviewed by industry experts holding senior engineering roles to ensure technical accuracy and relevance for modern interview standards.
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Source: SugharaIQ