In 8279, a scanned sensor matrix mode, if a sensor changes its state, the __________ line goes ___________ to interrupt the CPU.

In 8279, a scanned sensor matrix mode, if a sensor changes its state,

1.	In 8279, a scanned sensor matrix mode, if a sensor changes its state, the __________ line goes ___________ to interrupt the CPU.
A.	CS, high
B.	A0, high
C.	IRQ, high
D.	STB, high
Answer» D. STB, high