Q. No.In the circuit shown, 5 V represents TRUE (binary 1) and 0 V represents FALSE (binary 0). The diodes are ideal. A,B,C are the inputs and Y the output. What logic does the circuit represent?
| 1. | AND (A,B,C) | 2. | OR (A,B,C) |
| 3. | NOT (AND (A,B,C)) | 4. | NOT (OR (A,B,C)) |
Subtopic: Logic gates |
From NCERT
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If an AND-gate and an OR-gate are OR-ed together, the resulting gate is:
1. AND
2. OR
3. XOR
4. none of the above
1. AND
2. OR
3. XOR
4. none of the above
Subtopic: Logic gates |
From NCERT
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The output (Y) of the digital logic circuit shown in the diagram is:
| 1. | A AND B AND C | 2. | (A AND B) OR C |
| 3. | B OR C | 4. | none of these |
Subtopic: Logic gates |
From NCERT
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The truth table for a circuit is given by:
Here, X represents either 0 or 1. A,B, and C are the inputs. Which of the following is the correct circuit?
| A | B | C | Y (Output) |
| 1 | X | 1 | 1 |
| 0 | 1 | X | 1 |
| All other cases | 0 | ||
| 1. |  |
| 2. |  |
| 3. |  |
| 4. |  |
Subtopic: Logic gates |
53%
From NCERT
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By writing down the truth table or otherwise, determine the output X of the circuit given below.
| 1. | A | 2. | B |
| 3. | A or B | 4. | NOT (A) |
Subtopic: Logic gates |
56%
From NCERT
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Subtopic: Logic gates |
55%
From NCERT
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Subtopic: Logic gates |
58%
From NCERT
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Which of the following represents a circuit that gives an output (i.e. true) when both its inputs are equal?
| 1. |  |
| 2. |  |
| 3. |  |
| 4. |  |
Subtopic: Logic gates |
57%
From NCERT
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The output (Y) of the logic circuit given above is:
1. A AND C
2. A OR C
3. always TRUE
4. always FALSE
1. A AND C
2. A OR C
3. always TRUE
4. always FALSE
Subtopic: Logic gates |
59%
From NCERT
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Consider the circuit shown in the above diagram. The output (Y) of the circuit does not depend on A. Then, Y=
1. B AND C
2. B OR C
3. B
4. C
1. B AND C
2. B OR C
3. B
4. C
Subtopic: Logic gates |
68%
From NCERT
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