CAPE Physics Unit 2 · 2009 · Paper 1 · Question Q28
Item 28 refers to the following diagram which shows a quad-NAND circuit board connected to a 6\text{ V} supply. It has an indicator diode connected to each output. The diodes are ON if the output is a logic 1.
If wires are connected as shown which indicators will be on?
- (A)I and III
- (B)I and IV
- (C)II and III
- (D)II and IV
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