pre-emptive multitasking - определение. Что такое pre-emptive multitasking
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Что (кто) такое pre-emptive multitasking - определение

ACT OF TEMPORARILY INTERRUPTING A TASK BEING CARRIED OUT BY A COMPUTER SYSTEM, WITHOUT REQUIRING ITS COOPERATION, AND WITH THE INTENTION OF RESUMING THE TASK AT A LATER TIME
Pre-emptive multitasking; Preemptive multitasking; Pre-emptive multi-tasking; Preemptive multithreading; Time slice; Pre-emptive multithreading; Pre-emptive multitasking operating system; Preemptive scheduler; Pre-emptive scheduler; Preemptive scheduling
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pre-emptive multitasking         
<operating system, parallel> A type of multitasking where the scheduler can interrupt and suspend ("swap out") the currently running task in order to start or continue running ("swap in") another task. The tasks under pre-emptive multitasking can be written as though they were the only task and the scheduler decides when to swap them. The scheduler must ensure that when swapping tasks, sufficient state is saved and restored that tasks do not interfere. The length of time for which a process runs is known as its "time slice" and may depend on the task's priority or its use of resources such as memory and I/O. OS/2, Unix and the Amiga use pre-emptive multitasking. This contrasts with cooperative multitasking where each task must include calls to allow it to be descheduled periodically. (1995-03-20)
Preemption (computing)         
In computing, preemption is the act of temporarily interrupting an executing task, with the intention of resuming it at a later time. This interrupt is done by an external scheduler with no assistance or cooperation from the task.
time slice         
<operating system> (Or "time quantum", "quantum") The period of time for which a process is allowed to run uninterrupted in a pre-emptive multitasking operating system. The scheduler is run once every time slice to choose the next process to run. If the time slice is too short then the scheduler will consume too much processing time but if it is too long then processes may not be able to respond to external events quickly enough. (1998-11-06)
Human multitasking         
ABILITY TO PERFORM MORE THAN ONE ACTIVITY AT THE SAME TIME
Human Multitasking
Human multitasking is the concept that one can split their attention on more than one task or activity at the same time, such as speaking on the phone while driving a car. Multitasking can result in time wasted due to human context switching and becoming prone to errors due to insufficient attention.
concurrent processing         
  • Vim]], [[GIMP]], and [[VLC media player]].
CONCURRENT EXECUTION OF MULTIPLE PROCESSES OVER A CERTAIN PERIOD OF TIME
Computer/Multitasking; Multiprogramming; Time slice multiplexing; Interleaved execution; Multi-programming; Multi-program; Multiprogram; Multi program; Multi programming; Operating system multitasking; Smartphone multitasking; Mobile phone multitasking; Concurrent processing; Multitasking operating system; Multitasking (computing); App switching; Multiprogramming system; Multitasking of computer programs
multiprogramming         
  • Vim]], [[GIMP]], and [[VLC media player]].
CONCURRENT EXECUTION OF MULTIPLE PROCESSES OVER A CERTAIN PERIOD OF TIME
Computer/Multitasking; Multiprogramming; Time slice multiplexing; Interleaved execution; Multi-programming; Multi-program; Multiprogram; Multi program; Multi programming; Operating system multitasking; Smartphone multitasking; Mobile phone multitasking; Concurrent processing; Multitasking operating system; Multitasking (computing); App switching; Multiprogramming system; Multitasking of computer programs
Fixed-priority pre-emptive scheduling         
Fixed priority pre-emptive scheduling; Fixed-priority scheduling
Fixed-priority preemptive scheduling is a scheduling system commonly used in real-time systems. With fixed priority preemptive scheduling, the scheduler ensures that at any given time, the processor executes the highest priority task of all those tasks that are currently ready to execute.
Pre-emption right         
RIGHT TO ACQUIRE PROPERTY BEFORE ANY OTHER ACQUIRERS
Pre-emption rights; Preemption right; Preemptive right; Pre-emptive right; Right of pre-emption; Right of preemption; Preemptive rights; Subscription right; Subscription rights
A pre-emption right, right of pre-emption, or first option to buy is a contractual right to acquire certain property newly coming into existence before it can be offered to any other person or entity. It comes from the Latin verb emo, emere, emi, emptum, to buy or purchase, plus the inseparable preposition pre, before.
preemptive right         
RIGHT TO ACQUIRE PROPERTY BEFORE ANY OTHER ACQUIRERS
Pre-emption rights; Preemption right; Preemptive right; Pre-emptive right; Right of pre-emption; Right of preemption; Preemptive rights; Subscription right; Subscription rights
n. the right of a shareholder in a corporation to have the first opportunity to purchase a new issue of stock of that corporation in proportion to the amount of stock already owned by the shareholder. See also: corporation shareholder stock
Pre-ejaculate         
CLEAR ORGANIC FLUID PRODUCED BY MALE HUMANS DURING SEXUAL AROUSAL
Pre-ejaculatory fluid; Cowper's fluid; Pre-cum; Precum; Preseminal fluid; Pre-seminal fluid; Pre cum; Pre-e; Pre-e fluid; Pre-ejaculate fluid; Pre ejaculate; Pre-ejaculatory fluids
Pre-ejaculate (also known as pre-ejaculatory fluid, pre-seminal fluid or Cowper's fluid, and colloquially as pre-cum) is a clear, colorless, viscous fluid that is emitted from the urethra of the penis during sexual arousal. It is similar in composition to semen but has distinct chemical differences.

Википедия

Preemption (computing)

In computing, preemption is the act of temporarily interrupting an executing task, with the intention of resuming it at a later time. This interrupt is done by an external scheduler with no assistance or cooperation from the task.: 153  This preemptive scheduler usually runs in the most privileged protection ring, meaning that interruption and resuming are considered highly secure actions. Such a change in the currently executing task of a processor is known as context switching.