1-1. In Figure 1-22a, what is the logic level that must be output to turn on the LED? 1-2. In Figure 1-22b, what is the logic level that must be output to turn on the LED? 1-3. In Figure 1-22a, which switch must be closed to turn on the LED?
1-1. In Figure 1-22a, what is the logic level that must be output to turn on the LED? 1-2. In Figure 1-22b, what is the logic level that must be output to turn on the LED? 1-3. In Figure 1-22a, which switch must be closed to turn on the LED?
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1-1. In Figure 1-22a, what is the logic level that must be output to turn on
the LED?
1-2. In Figure 1-22b, what is the logic level that must be output to turn on
the LED?
1-3. In Figure 1-22a, which switch must be closed to turn on the LED?
1-4. In Figure 1-22b, which switch must be closed to turn on the LED?
Transcribed Image Text:m 1-1.
S1
S1
S2
S2
(a)
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