U17OR GateOR gates are used in digital logic circuits to perform a logical add. When one of the inputs is high (1), the output is high. The output w
U18NAND GateNAND gates are used in digital logic circuits to perform an inverted logical multiply. When one of the inputs is low (0), the output is h
U19NOR GateNOR gates are used in digital logic circuits to perform an inverted logical add. When one of the inputs is high (1), the output is low. T
U20Exclusive OR (XOR) GateXOR gates are used in digital logic circuits to perform a comparison. When the inputs are mutually exclusive (i.e. diff
Quiz1. The output will be LOW (0) for any case when one or more input is LOW (0) for a(n):a) OR gateb) NAND gatec) AND gated) XOR gate2. The output of
Quiz Answers1. The output will be LOW (0) for any case when one or more input is LOW (0) for a(n):a) OR gateb) NAND gatec) AND gated) XOR gate2. The o
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Outline1. Digital Signals2. NOT Gate (Inverter)3. AND Gate4. OR Gate5. NAND Gate6. NOR Gate7. Exclusive OR GateWarning: Shock Hazard – Never connect
Analog vs. Digital Waveforms Analog Waveform – can take on any voltage value Digital Waveform – takes on discrete voltage valuesTimeAnalog signals c
Digital Signals Digital waveforms can be used to represent digital signals (e.g. 0 or 1, true or false), for example• 0 (false) – represented by 0 Vo
Logic Problem Statements Logic problems have outcomes (or outputs) that depend on events (or inputs). For example• The cuckoo clock makes noise if t
Logic Gates A digital logic gate is an Integrated Circuit (IC) device that makes logical decisions based on various combinations of digital signals p
NOT Gate (Inverter)AQInput (A) Output (Q)0 11 0U1510NOT gates are used in digital logic circuits to “invert a voltage level”. A high voltage level (1
U16AND GateAND gates are used in digital logic circuits to perform a logical multiply. When one of the inputs is low (0), the output is low (i.e. mul
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