For the system of Figure 9-31, what will the security guard see on the monitoring panel when all of the doors are open?

Figure 9-31

Transcribed Image Text:

--1 Door 0 Door 6 +5 V +5 V From doors 1-5 Door 7 I T I H 411 9 4 13 4 mi E 74HC151 3 MUX So ရက် Q₂ Q₁ Qo MOD-8 CTR лу CLOCK +5 V +5 V 74HC138 DEMUX A₂ A₁ A₂ Monitoring panel 330 18 0 31 4 4 4 4 4 04 5KH 061 A 4