28 ASSIGNMENT 4 Textbook assignment: Chapter 4, “Special Logic Circuits,” pages 3-3 through 3-67. ________________________________________________________________________________4-1. Which of the following circuits will add two binary digits but not produce a carry? 1. AND gate2. Half adder3. Quarter adder 4. Summation amplifierFigure 4A.—Logic circuit. IN ANSWERING QUESTIONS 4-2 THROUGH 4-5, REFER TO FIGURE 4A. 4-2. What type of circuit is depicted in the figure? 1. Inverter amplifier2. Half subtracter 3. Half adder4. Quarter adder 4-3. Which of the following gates will have HIGH outputs when K is HIGH and L is LOW? 1. 1 only 2. 3 only 3. 1 and 2 4. 1 and 3 4-4. What will be the output of gate 3 when K and L are both HIGH? 1. LOW 2. HIGH 4-5. Assume that K and L are both HIGH. Which of the following statements represents the output of gate 3? 1. 1 plus 1 = 0 (No carry) 2. 1 plus 0 = 1 3. 0 plus 1 = 1 4. 0 plus 0 = 0 4-6. Which of the following gates performs the same function as a quarter adder? 1. Half adder 2. Exclusive OR 3. NOR 4. Exclusive NOR THIS SPACE LEFT BLANK INTENTIONALLY.
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