<ul><li>A process is an instance of a program being executed, with its own system resources allocated by the OS.</li><li>Threads are units of execution within a process, sharing resources but having their own stack memory space.</li><li>Concurrency involves managing multiple tasks, even if not running simultaneously.</li><li>Parallelism involves executing multiple tasks in actual parallel at the same time.</li><li>Asynchrony allows executing multiple parts of a program in a non-blocking way.</li><li>Thread Pool in .NET manages threads efficiently, starting with cores' logical count.</li><li>I/O-bound operations spend time waiting for external resources, best handled asynchronously.</li><li>CPU-bound operations benefit from parallelism and multithreading for improved performance.</li><li>Worker threads handle CPU-bound tasks, while I/O threads manage completed I/O operations.</li><li>Async/await in C# allows writing non-blocking code in a sequential and readable manner.</li></ul>

Inside .NET Asynchrony and Concurrency : Threads and Thread Pool, How I/O Work Is Done, Completion…

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