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Questions and Answers
Which type of circuit consists of logic gates whose outputs are determined from only the present combination of inputs?
Which type of circuit consists of logic gates whose outputs are determined from only the present combination of inputs?
- AND-OR logic circuit
- Sequential circuit
- Exclusive-OR logic circuit
- Combinational circuit (correct)
What kind of logic circuit directly implements an SOP expression?
What kind of logic circuit directly implements an SOP expression?
- AND-OR logic circuit (correct)
- Exclusive-NOR logic circuit
- Sequential circuit
- Combinational circuit
Which type of logic circuit is implemented by a combination of two AND gates, one OR gate, and two inverters?
Which type of logic circuit is implemented by a combination of two AND gates, one OR gate, and two inverters?
- Combinational circuit
- Sequential circuit
- Exclusive-OR logic circuit (correct)
- AND-OR-Inverter logic circuit
What kind of logic circuit is implemented by simply in?
What kind of logic circuit is implemented by simply in?
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Which type of circuit employs storage elements in addition to logic gates?
Which type of circuit employs storage elements in addition to logic gates?
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Study Notes
Logic Circuits
- A combinational logic circuit consists of logic gates whose outputs are determined from only the present combination of inputs.
Sum of Products (SOP) Expression
- A sum of products (SOP) expression is directly implemented by a product-of-sums (POS) logic circuit.
Logic Circuit Implementation
- A combination of two AND gates, one OR gate, and two inverters implements a NAND-NAND logic circuit.
Inverter Implementation
- An inverter is used to implement a NOT logic circuit.
Sequential Logic Circuit
- A sequential logic circuit employs storage elements in addition to logic gates.
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