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Refer User Thread vs Kernel Thread for more details.īelow are previous years’ gate questions on threads: Enhanced throughput of the system: If a process is divided into multiple threads, and each thread function is considered as one job, then the number of jobs completed per unit of time is increased, thus increasing the throughput of the system. while in process we have to follow some specific communication technique for communication between two process.Ħ. Communication: Communication between multiple threads is easier, as the threads shares common address space.
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Each thread has its own stack and registers.ĥ. Note: stack and registers can’t be shared among the threads. Resource sharing: Resources like code, data, and files can be shared among all threads within a process. Process context switching requires more overhead from the CPU.Ĥ. Faster context switch: Context switch time between threads is lower compared to process context switch. Responsiveness: If the process is divided into multiple threads, if one thread completes its execution, then its output can be immediately returned.Ģ. But, like process, a thread has its own program counter (PC), register set, and stack space.ġ.
SINGLE PROCESSING OPERATING SYSTEM EXAMPLES CODE
Threads are not independent of one another like processes are, and as a result threads share with other threads their code section, data section, and OS resources (like open files and signals). The primary difference is that threads within the same process run in a shared memory space, while processes run in separate memory spaces. More advantages of multithreading are discussed below MS Word uses multiple threads: one thread to format the text, another thread to process inputs, etc. Under this classification, the OS is classified as single user or multiuser. Classification of OS based on Mode of User. Monitoring and controlling nuclear power stations, rocket launching systems, are examples of real time systems. For example, in a browser, multiple tabs can be different threads. It is an online processing system where the processing time is critical. The idea is to achieve parallelism by dividing a process into multiple threads.
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A process can contain multiple threads.Ī thread is also known as lightweight process. ISRO CS Syllabus for Scientist/Engineer ExamĪ thread is a path of execution within a process.ISRO CS Original Papers and Official Keys.GATE CS Original Papers and Official Keys.