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Output of a given logic circuit for stated inputs

This type of question, asked 7 times: 3 May 2023 S2, 9 May 2023 S1, 10 May 2023 S1, 19 Apr 2025 S2, 15 Apr 2026 S2, 14 May 2026 S2, 19 May 2026 S2. All 7 questions below, oldest first.

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  1. Question 1

    3 May 2023 S2

    50
    The combination of NAND gates is shown in figure (I) and (II). For the given inputs, the outputs in both the combinations are respectively.

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  2. Question 2

    9 May 2023 S1

    20
    In the logic circuit diagram, when all the four inputs A, B, C, D are one, the outputs Y1,Y2,Y3Y_1, Y_2, Y_3 are respectively (1,1,0)(1,1,0). When all the inputs A, B, C, D are changed to 'zero', the outputs Y1,Y2,Y3Y_1, Y_2, Y_3 respectively change to

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  3. Question 3

    10 May 2023 S1

    24
    What is the output Y in the following circuit, when all the three inputs A, B, C are first 'zero' and then 'one'?

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  4. Question 4

    19 Apr 2025 S2

    12
    In a given logic circuit, the output Y when all the three inputs A, B, C are first low and then high will be respectively

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  5. Question 5

    15 Apr 2026 S2

    148
    In the logic circuit diagram, when all the four inputs, A, B, C, D are 'one' the outputs Y1,Y2,Y3Y_1, Y_2, Y_3 are respectively (1, 1, 0). When the inputs A and C are changed to zero and B and D are still 'one', then the outputs Y1,Y2,Y3Y_1, Y_2, Y_3 are respectively change to

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  6. Question 6

    14 May 2026 S2

    149
    The output Y, when all the three inputs are first high and then low, will respectively be

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  7. Question 7

    19 May 2026 S2

    150
    For the logic circuit given below, for a) input A=0A = 0 and input B=1B = 1, and b) input A=1A = 1 and input B=1B = 1, the output EE is respectively

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