IST meaning in Computing ?

Answer: What is Interrupt Stack Table mean?

The task state segment (TSS) is a structure on x86-based computers which holds information about a task. It is used by the operating system kernel for task management. Specifically, the following information is stored in the TSS:

Processor register stateI/O port permissionsInner-level stack pointersPrevious TSS link

All this information should be stored at specific locations within the TSS as specified in the IA-32 manuals.

reference

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International Study Tour	Academic & Science
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