Digital Electronics Combinational Logic Circuits Questions and Answers
The Combinational Logic Circuits questions with answers focus on logic gates, Boolean algebra, K-maps, and circuit simplification techniques in digital electronics. These logical reasoning questions and answers help students understand how digital systems process information. Frequently asked in ECE exams and electronics company placements like BEL, ISRO, and TCS, these questions strengthen analytical and circuit design skills. Study the truth tables, logic expressions, and practical implementations to master this essential topic in digital design.
Digital Electronics Combinational Logic Circuits
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59 questions
52. To implement the full-adder sum functions, two exclusive-OR gates can be used.
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53. The input at the 1, 2, 4, 8 inputs to a 4-line to 16-line decoder with active-low outputs is 1110. As a result, output line 7 is driven LOW.
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54. When decisions demand two possible actions, the IF/THEN/ELSE control structure is used.
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56. Truth tables are great for listing all possible combinations of independent variables.
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57. A square in the top row of a K-map is considered to be adjacent to its corresponding square in the bottom row.
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58. The carry output of each adder in a ripple adder provides an additional sum output bit.
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59. A good rule of thumb for determining the pin numbers of dual-in-line package IC chips would be to place the notch to your right and pin #1 will always be in the lower right corner.
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