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HomeHomework Helpcomputer-scienceConcurrency in Programming

Concurrency in Programming

Concurrency in programming refers to the ability of a system to handle multiple tasks simultaneously, allowing for improved resource utilization and performance, particularly in applications that require multitasking.

intermediate
3 hours
Computer Science
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Overview

Concurrency in programming is a crucial concept that allows multiple tasks to be executed simultaneously, enhancing the performance and responsiveness of applications. By understanding threads, processes, and synchronization techniques, programmers can create efficient and effective software that ca...

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Key Terms

Thread
A lightweight process that can run concurrently with other threads within the same process.

Example: In a web server, each request can be handled by a separate thread.

Process
An independent program in execution, with its own memory space.

Example: Opening multiple applications on your computer creates separate processes.

Synchronization
The coordination of concurrent processes to ensure correct execution.

Example: Using locks to control access to a shared variable.

Deadlock
A situation where two or more processes are unable to proceed because each is waiting for the other to release resources.

Example: Two processes holding resources and waiting for each other to release them.

Mutex
A mutual exclusion object that prevents multiple threads from accessing a resource simultaneously.

Example: Using a mutex to protect a shared counter variable.

Semaphore
A signaling mechanism that controls access to a common resource by multiple threads.

Example: A semaphore can limit the number of threads accessing a database connection pool.

Related Topics

Parallel Programming
Focuses on executing multiple processes simultaneously to improve performance.
advanced
Asynchronous Programming
Involves executing tasks without blocking the main thread, enhancing responsiveness.
intermediate
Distributed Systems
Studies systems that run on multiple computers, requiring coordination and communication.
advanced

Key Concepts

ThreadsProcessesSynchronizationDeadlock