Q. Four inputs A, B, C, D are fed to a NOR gate. The output of NOR gate is fed to an inverter. The output of inverter is

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Q. The circuit in the figure is has two CMOS-NOR gates. This circuit functions as a

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Q. In the TTL circuit in the figure, S₂ to S₀ are select lines and X₇ to X₀ are input lines. S₀ and X₀ are LSBs. The output Y is

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Q. The Boolean expression for the shaded area in the Venn diagram is

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Q. The logic realized by the circuit shown in figure below is

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Q. The inputs A and B of the given figure are applied to a two input NOR gate. The output waveform is

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Q. In the circuit of the given figure, V₀ =

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Q. In following figure, the initial contents of the 4-bit serial in parallel out, right shift, shift register as shown in figure are 0110. After 3 clock pulses the contents of the shift register will be

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Q. For the logic circuit of the given figure, the minimized expression is

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Q. The inputs to a NAND gate are as shown in the given figure. The waveform of output is

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Q. In the given figure A = 1, B = 1. B is now changed to a sequence 101010................The outputs X and Y will be

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Q. In 8085 microprocessor, what are the contents of register SP, after the interrupt has been started?

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Q. To have the multiprocessing capabilities of the 8086 microprocessor, the pin connected to the ground is

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Q. A gate in which shift register is connected as shown in the figure below. How many clock pulse (after reset to '0') the contents of the shift register are '000' again?

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Q. For the K map of the given figure the simplified Boolean expression is

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Q. Figure shows three pulse train inputs to a 3-input AND gate. Assuming positive logic, the output signal obtained in figure would be

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Q. A 12-bit binary counter has the following state. The octal number represented is

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Q. For the K map of the given figure the simplified Boolean expression is

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Q. A clock pulse is fed into 3 bit binary down count. The signal at B output is

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Q. The boolean expression for shaded area in the given figure is

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