Combinational Logic Analysis Questions

• Implementing the expression AB + CDE using NAND logic, we get:
• A 4-variable AND-OR circuit produces a 0 at its Y output. Which combination of inputs is correct?
• One possible output expression for an AND-OR-Invert circuit having one AND gate with inputs A, B, and C and one AND gate with inputs D and E is ________.
• Before an SOP implementation, the expression would require a total of how many gates?
• A 4-variable AND-OR-Invert circuit produces a 0 at its Y output. Which combination of inputs is correct?
• A logic circuit with an output consists of ________.
• Referring to the GAL diagram, which is the correct logic function?
• The Boolean SOP expression obtained from the truth table below is ________.
• A 4-variable AND-OR circuit produces a 1 at its Y output. Which combination of inputs is correct?
• The output of an exclusive-NOR gate is 1. Which input combination is correct?
• The inverter can be produced with how many NAND gates?
• The 8-input XOR circuit shown has an output of Y = 1. Which input combination below (ordered A – H) is correct?
• The following waveform pattern is for a(n) ________.
• One positive pulse with tw = 75 µs is applied to one of the inputs of an exclusive-OR circuit. A second positive pulse with tw = 15 µs is applied to the other input beginning 20 µs after the leading edge of the first pulse. Which statement describes the output in relation to the inputs?
• The following waveform pattern is for a(n) ________.
• How many AND gates are required to implement the Boolean expression, ?
• Implementing the expression using NAND logic, we get:
• Implementing the expression using NAND logic, we get:
• Implementation of the Boolean expression results in ________.
• How many NOT gates are required to implement the Boolean expression, ?