C# Thread.Sleep(1000) takes much more than 1000ms on some pc

Question

I write a c# program to count down 5 seconds. What I do is:

        new Task(() =>
        {

                try
                {
                        th         


        

Answer 1

Sleep will wait at least that long before activating the thread again, but it can always be longer than that. After the one second time has passed the thread becomes eligible to execute by the CPU scheduler, and the scheduler is able to run it whenever it wants to. If it's particularly busy, and/or is using a scheduling algorithm that doesn't focus on quickly allowing newly active threads to run, it could be some time.