Threads and Processes Quiz

A process is a lightweight unit of execution, whereas a thread is a separate program.

A process has its own memory space, while threads within a process share memory space.

Threads are isolated, while processes share resources.

Threads consume more system resources than processes.

Threads run on a higher priority than processes.

Threads do not require context switching.

Threads share resources, reducing overhead.

Threads use separate memory spaces, making execution quicker.

A basic text editor that processes one file at a time.

A web browser handling multiple open tabs independently.

A calculator performing a single computation.

A static website with no dynamic content.

By allowing multiple applications to run simultaneously.

By reducing the number of running processes.

By sharing resources within a process and enabling parallel execution.

By limiting the number of processes that can run at a time.

Microsoft Notepad

Microsoft Edge handling multiple downloads

A single-task script running in PowerShell

A command-line program that executes one operation at a time

User threads are managed by the operating system, while kernel threads are managed by applications.

User threads run independently of processes, while kernel threads rely on processes.

User threads are managed by user-level libraries, while kernel threads are managed by the OS.

Kernel threads are created by the user, while user threads are created by the OS.

A Python script using the threading module.

A background process running in a web browser.

A Windows 11 system thread handling file operations.

A script using JavaScript’s event loop.

One-to-One

Many-to-One

Many-to-Many

Single-Threaded

It reduces the overhead of managing multiple threads.

It improves performance by allowing each user thread to have a dedicated kernel thread.

It prevents context switching between multiple threads.

It eliminates the need for thread scheduling.

Many-to-One

One-to-One

Many-to-Many

Single-Threaded