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What are the advantages and disadvantages of user level threads and kernel level threads?
User-level threads have the advantage of being lightweight and can be managed without kernel intervention, allowing for faster thread switching. However, they are limited in their ability to utilize multiple processors efficiently and can be blocked by system calls made by a single thread. Kernel-level threads, on the other hand, offer better performance on multi-core systems and can take advantage of kernel features, but they are heavier in terms of resource consumption and switching between threads can be slower due to kernel involvement.
What are the resources within the staging area?
It all depends on the purpose of the staging area. For example an Emergency Response Staging area in an office building may have first aid equipment and walkie-talkies. All resources in the staging area are available and should be ready for assignment.
Why CPU scheduling is require?
So that CPU utilise all the resources of OS
What is difference between foreground process and background process?
Foreground process has access to the terminal standard i/osBackground process typically run with little or no user interaction at all, they interact with the system.
What is major function of operating system?
The major function of an operating system is to manage all resources of a system.
What of these components are shared by a multithreaded process?
There r some resources shared by different threads o the same process while some r not. The threads shares the address space,file,global variables. But each threads has its own stack , copy of registers(including PC).
What resource are typically shared by all of the threads of a process?
There r some resources shared by different threads o the same process while some r not. The threads shares the address space,file,global variables. But each threads has its own stack , copy of registers(including PC).
What resources are typical shared by all of the threads of a process?
There r some resources shared by different threads o the same process while some r not. The threads shares the address space,file,global variables. But each threads has its own stack , copy of registers(including PC).
What is a thread and how does it relate to a process?
A process is composed of one or more threads of execution. Multiple threads allow a process to perform two or more operations concurrently. This is particularly useful in machines with two or more processors as the threads can execute simultaneously. All the threads of a process run in a shared memory space; separate processes run in separate memory spaces. A process must have at least one thread, the primary thread. However, threads can spawn new threads as required. Each thread has its own call stack but shares the same data segment and virtual address space as the process.
What resources are used when a thread is created?
When a thread is created the threads does not require any new resources to execute the thread shares the resources like memory of the process to which they belong to. The benefit of code sharing is that it allows an application to have several different threads of activity all within the same address space. Whereas if a new process creation is very heavyweight because it always requires new address space to be created and even if they share the memory then the inter process communication is expensive when compared to the communication between the threads
Difference between child process and threads in operating systems?
In operating systems, a child process is a new process created by an existing process, which operates independently and has its own memory space. Whereas a thread is a subset of a process, sharing the same memory space and resources as the parent process. Threads are lighter weight and more efficient compared to processes in terms of resource utilization.
Is it possible to have a deadlock involving only a single process?
No, a deadlock by definition involves two or more processes waiting for each other to release resources. In the case of a single process, there is no contention for resources with other processes that could lead to a deadlock.
What is the differences between a process and a thread in Linux?
Oh, dude, let me break it down for you. So, a process is like a whole program running on your computer, doing its thing, while a thread is like a mini version of a process, sharing resources with other threads in the same process. It's like having a full meal versus just a side dish. So, in Linux, processes are like the main course, and threads are like the appetizers.
What is an application thread deadlock?
A deadlock usually occurs when there are multiple threads running. Let us say there are 3 threads A, B and C running.A is holding resources X and is currently for the resource Y to complete the operation. B is holding resources Y and is waiting for resource Z to complete. C is holding Z and is waiting for X to complete. This is called a deadlock, All the 3 threads are waiting on some resources that are being held by other waiting threads. This causes an indefinite waiting which is termed as a Deadlock
What are the benefits of multithreaded?
A major benefit of multi-threading in computer operating systems is that the processor and other system resources are utilized to the maximum. With single-threading, system resources may remain for periods of time.
What is it called when resources are not owned by anyone in particular but shared by all?
That is called a common-pool resource, where resources are collectively owned and accessible to all members of a community. Examples include air and water.
What is difference between starvation and deadlock?
Deadlock: Two processes are said to be in deadlock situation if process A holding onto resources required for process B and where as B holding onto the resources required for process A. Starvation: This is mostly happens in time sharing systems in which the process which requires less time slot is waiting for the large process to finish and to release the resources, but the large process holding the resources for long time (almost for forever) and the process that requires small time slot goes on waiting. Such situation is starvation for small process
