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What is a preamble kernel?

Hi,
Have try searching for a while, but have no idea. Studying OS and got this question.
Preamble, not pre-emptive.
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NetExpert
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NetExpert
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karel_jespersCommented:
preamble
A preamble is a signal used in network communications to synchronize the transmission timing between two or more systems. Proper timing ensures that all systems are interpreting the start of the information transfer correctly. This is something like how a rock band drummer "lays down a beat" prior to beginning a song. By setting up the proper tempo, the band members are more likely to be synchronized and begin the song at the same moment.

Preemptive vs. Non preemptive Multitasking :
This strategy to share the CPU is called preemptive multitasking and is different from the multitasking that Windows 3.1 performs between applications. The latter variation is called non preemptive multitasking and relies on an application voluntarily relinquishing control to the operating system before letting another application execute. In a non preemptive multitasking scheme, the amount of time a task is allowed to run is determined by the task, whereas in a preemptive scheme, the time is determined by the operating system.
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karel_jespersCommented:
preamble kernel =  also a kernel that has the ability to route packets
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karel_jespersCommented:
tks for the points and good luck
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