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What is difference between Multithreading and miltiprocessing?

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It is simple to understand. You question itself contains the answer. Only the keynote is: A single processor/core of the cpu can execute single task at a time, not more than one task. And you should be able to differentiate process and processor. process: is a task / small part of process processor:...
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It is simple to understand. You question itself contains the answer. Only the keynote is: A single processor/core of the cpu can execute single task at a time, not more than one task. And you should be able to differentiate process and processor. process: is a task / small part of process processor: who performs the task (CPU) Assume you have two computer, one with dual/multi core (Ex: core2duo, dual core or quad core) processor and other with a old single core processor. And if you have a program which wants to perform two different operations / processes, you can go with multi core processor cpu to run the two tasks. What if you want to run these two operations on single core processor? You can run these two operations at a time with single core processor. Hence, running two processes/operations on different processors/cores is called as multi processing. You can also achieve multi processing with single CPU. When a processor/core of the cpu is waiting / idle, Operating system will take the control of the cpu and assigns the cpu to another process/operation. With multiprocessing there is an overhaed, i.e., CPU handling by operating system (formally known as context switch). assigning processor to processes, and taking back. What about Multithreading? Asume you have to complete two operations, with a single process? Just divide the process into multiple threads to complete different operations. As the entire process is inside the CPU, there won't be any overhaed/delay. In this case, Even if you have multi core cpu, only one core of the cpu will complete the two operations/threads. Program can contains multiple processes. Process can contain multiple threads. read less
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Experienced and Qualified Trainer with 15 years of experience in Top Colleges of Hyd .

Thread is a part of the program,so a program has multiple threads whereas multiprocessing means a cpu (or multiple cpu) process multiple programs at a time.
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Multitasking Running more then one application to perform a certain task. Example: listening Song, playing game, work in ms word, excel and other applications simultaneously Multithreading extends the idea of multitasking into applications, so you can subdivide specific operations within a single...
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Multitasking Running more then one application to perform a certain task. Example: listening Song, playing game, work in ms word, excel and other applications simultaneously Multithreading extends the idea of multitasking into applications, so you can subdivide specific operations within a single application into individual threads. Multiprocessing Running... more» - read less
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Multithreading and multiprocessing, both refer to the ability of doing multiple things within a context. Multiprocessing refers to the ability to run multiple programs (or processes) simultaneously within one operating system. Multithreading on the other hand refers to the ability to run multiple threads...
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Multithreading and multiprocessing, both refer to the ability of doing multiple things within a context. Multiprocessing refers to the ability to run multiple programs (or processes) simultaneously within one operating system. Multithreading on the other hand refers to the ability to run multiple threads simultaneously within a process. When we run a browser, an email client, and a word processor simultaneously on the same operating system, it is an example of multiprocessing. However, each of these processes, can have multiple threads, which may be run simultaneously within that process read less
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Let's simplify Coding, It's a great Fun.

Hi, Multiprocessing methods means more than processes are executing and competing with each other to get executed, Every process is a independent execution context with its own set of resources and instructions, in other way, process do not share the resources of each other. Multithreading means...
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Hi, Multiprocessing methods means more than processes are executing and competing with each other to get executed, Every process is a independent execution context with its own set of resources and instructions, in other way, process do not share the resources of each other. Multithreading means more than one thread are competing and coordinating with each other to get executed, like process thread is also a running execution context but in quite light weight than process. threads can share the resources with counterparts threads thereby avoiding them to maintain the resources independently. . vijay read less
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Multiprocessing is two or more physical, actual processors inside one computer. They are both doing work at the same time, and perhaps on the same 'jobs' or different jobs. A high powered OS would be required to utilize this sort of setup, and it also involves some hardware considerations. A multithreaded...
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Multiprocessing is two or more physical, actual processors inside one computer. They are both doing work at the same time, and perhaps on the same 'jobs' or different jobs. A high powered OS would be required to utilize this sort of setup, and it also involves some hardware considerations. A multithreaded program utilizes the power of one single processor to appear to be doing more than one thing at a time, while in fact, each job is merely time-sharing the processor. The processor only does one thing at at time, The typical difference is that threads (of the same process) run in a shared memory space, while processes run in separate memory spaces. Threads are lightweight compared to processes.It share the same address space and therefore can share both data and code. Context switching between threads is usually less expensive than between processes Cost of thread intercommunication is relatively low that that of process intercommunication.Threads allow different tasks to be performed concurrently. read less
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Multithreading- A computer running more than one program at a time (like running Excel and Firefox simultaneously) Multiprocessing - A computer using more than one CPU at a time Multitasking - Tasks sharing a common resource (like 1 CPU) • Thus, something like multithreading is an extension...
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Multithreading- A computer running more than one program at a time (like running Excel and Firefox simultaneously) Multiprocessing - A computer using more than one CPU at a time Multitasking - Tasks sharing a common resource (like 1 CPU) • Thus, something like multithreading is an extension of multitasking. read less
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IT Professional Trainer working with a reputed Institute. Headquarters: Hyderabad

There are two distinct types of multitasking; 1. Process-based 2. Thread-based. It is important to understand the difference between the two. A process is, in essence, a program that is executing. Thus, process-based multitasking is the feature that allows your computer to run two or more programs...
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There are two distinct types of multitasking; 1. Process-based 2. Thread-based. It is important to understand the difference between the two. A process is, in essence, a program that is executing. Thus, process-based multitasking is the feature that allows your computer to run two or more programs concurrently. For example, it is process-based multitasking that allows you to run a word processor at the same time you are using a spreadsheet or browsing the Internet. In process-based multitasking, a program is the smallest unit of code that can be dispatched by the scheduler. A thread is a dispatch able unit of executable code. The name comes from the concept of a “thread of execution.” In a thread-based multitasking environment, all processes have at least one thread, but they can have more. This means that a single program can perform two or more tasks at once. For instance, a text editor can be formatting text at the same time that it is printing, as long as these two actions are being performed by two separate threads. read less
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5+ years of experience in computer science with c++ for class 11th and 12th , java, spring mvc, angular.js for MCA, BCA, 12th, B.tech. Working as Team leader in IT company

multiple programs/processes running concurrently is mutiprocessing. When a single Program/process uses sub processes or threads concurrently then it is multithreading
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Multiprocessing Multithreading OS controls switching JVM controls switching Different processes can use different languages Threads all use the same language Each process has its own...
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Multiprocessing Multithreading OS controls switching JVM controls switching Different processes can use different languages Threads all use the same language Each process has its own JVM All threads share a single JVM read less
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