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Programming Concepts Intermediate

What is Thread?

The smallest unit of execution within a process, allowing concurrent operations to run within a single program.

Threads share the same memory space within a process, enabling parallel execution of tasks. Multi-threading improves performance for CPU-bound tasks on multi-core processors and keeps applications responsive during I/O operations.

Challenges include race conditions (concurrent access to shared data), deadlocks (threads waiting on each other), and thread safety. Synchronization primitives (mutexes, semaphores) coordinate access. Modern approaches include async/await and actor models.

Related Terms

Big O Notation
A mathematical notation that describes the worst-case performance of an algorithm as input size grows.
Stack
A data structure that follows Last-In-First-Out (LIFO) ordering, where elements are added and removed from the same end (top).
Event-Driven Architecture
A software design pattern where components communicate by producing and consuming events rather than direct method calls.
Design Pattern
A reusable solution template for commonly occurring problems in software design.
Functional Programming
A programming paradigm that treats computation as the evaluation of mathematical functions, avoiding state changes and mutable data.
Stack vs Heap
Two memory regions: the stack stores function call data with automatic cleanup, while the heap stores dynamically allocated objects.
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