Question: The 8 2 5 9 PIC has 8 interrupt request ( IRQ ) inputs. Two 8 2 5 9 ' s can be _ _

The 8259 PIC has 8 interrupt request (IRQ) inputs. Two 8259's can be ___________ to increase the number of IRQs to 15.
Daisy chained
Cascaded
Connected in parallel
Disabled

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