Multitasking, Ability of the processor to run multiple tasks by switching between them, Task State Segment (TSS), Data structure that stores the complete state of a task, Task Register (TR), Register that holds the selector of the current TSS, Global Descriptor Table (GDT), System table that stores descriptors for global segments, Local Descriptor Table (LDT), Table containing descriptors specific to a particular task, Interrupt Descriptor Table (IDT), Table that stores interrupt and exception handler addresses, Task Gate, Descriptor used to switch to another task using TSS, Descriptor, 8-byte structure describing a segment or system structure, Context Switching, Saving and restoring task state during multitasking, 48 bit, Size of IDTR.

Multitasking-80386

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