Basic interrupr concept of CPU (Intel)

Interrupt http://en.wikipedia.org/wiki/Interrupt
Context switch http://en.wikipedia.org/wiki/Context_switch

• register context switch
  
• task context switch
  
• thread context switch
  
• process context switch

• State http://en.wikipedia.org/wiki/State_%28computer_science%29
• Context http://en.wikipedia.org/wiki/Context_%28computing%29

Interrupt handler http://en.wikipedia.org/wiki/Interrupt_Handler
PIC http://en.wikipedia.org/wiki/Programmable_Interrupt_Controller
Intel 8259 http://en.wikipedia.org/wiki/8259A
APIC http://en.wikipedia.org/wiki/Advanced_Programmable_Interrupt_Controller
Intel APIC http://en.wikipedia.org/wiki/Intel_APIC_Architecture

• Local APIC
• I/O APIC