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  2. Computer multitasking - Wikipedia

    en.wikipedia.org/wiki/Computer_multitasking

    Thus, threads are effectively processes that run in the same memory context and share other resources with their parent processes, such as open files. Threads are described as lightweight processes because switching between threads does not involve changing the memory context. [12] [13] [14]

  3. Windows NT processor scheduling - Wikipedia

    en.wikipedia.org/wiki/Windows_NT_Processor...

    In a multiprocessing environment with more than one logical processor (i.e. multiple cores or hyperthreading), more than one task can be running at the same time. However, a process or a thread can be set to run on only a subset of the available logical processors. The Windows Task Manager utility offers a user interface for this at the process ...

  4. Process management (computing) - Wikipedia

    en.wikipedia.org/wiki/Process_management_(computing)

    At any instant, a process is in one and only one of the three states. For a single processor computer, only one process can be in the RUNNING state at any one instant. There can be many processes in the READY and BLOCKED states, and each of these states will have an associated queue for processes.

  5. Instructions per second - Wikipedia

    en.wikipedia.org/wiki/Instructions_per_second

    This was chosen because the 11/780 was roughly equivalent in performance to an IBM System/370 model 158–3, which was commonly accepted in the computing industry as running at 1 MIPS. Many minicomputer performance claims were based on the Fortran version of the Whetstone benchmark , giving Millions of Whetstone Instructions Per Second (MWIPS).

  6. Multithreading (computer architecture) - Wikipedia

    en.wikipedia.org/wiki/Multithreading_(computer...

    A process with two threads of execution, running on a single processor . In computer architecture, multithreading is the ability of a central processing unit (CPU) (or a single core in a multi-core processor) to provide multiple threads of execution.

  7. CPU time - Wikipedia

    en.wikipedia.org/wiki/CPU_time

    Modern multitasking operating systems run hundreds of processes. (A process is a running program.) Upon starting a process, the operating system records the time using an internal timer. When the process is suspended or terminated, the operating system again records the time. The total time that a process spent running is its CPU time, as shown ...

  8. Task Manager (Windows) - Wikipedia

    en.wikipedia.org/wiki/Task_Manager_(Windows)

    Task Manager, previously known as Windows Task Manager, is a task manager, system monitor, and startup manager included with Microsoft Windows systems. It provides information about computer performance and running software, including names of running processes, CPU and GPU load, commit charge, I/O details, logged-in users, and Windows services.

  9. Load (computing) - Wikipedia

    en.wikipedia.org/wiki/Load_(computing)

    An idle computer has a load number of 0 (the idle process is not counted). Each process using or waiting for CPU (the ready queue or run queue) increments the load number by 1. Each process that terminates decrements it by 1. Most UNIX systems count only processes in the running (on CPU) or runnable (waiting for CPU) states.