Concurrency

Ability of a system to execute multiple tasks simultaneously.

parallelism

Concurrency refers to the ability of a system or program to execute multiple tasks simultaneously, often improving efficiency and performance in computing environments.

From Latin concursus, meaning 'a running together'.

Concurrency lets computers do more than one thing at a time, like playing music while you browse the internet.

Early computers didn't have concurrency
Modern operating systems rely heavily on concurrency to manage resources efficiently
Concurrency is a key concept in designing responsive and efficient software

What is concurrency? It's a way to handle multiple tasks seemingly at the same time
How does it differ from parallelism? Concurrency manages multiple tasks, while parallelism executes them simultaneously
What are some examples? Web servers and video games use concurrency to handle many requests or actions

parallelism multithreading

parallel computing multitasking

multithreading multiprocessing

operating system computer program

computational software development