Q. The dual of the function A(B̅C + BC + BC̅) is

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Q. For the shaded area in Venn diagram of the given figure, the Boolean expression is

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Q. What is the direction of control bus?

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Q. How many zone bits are there?

The 8156 of a figure has RAM locations from 2000 H to 20 FFH.

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Q. The contents of stack location 2109 H after the call operation will be

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Q. For the logic circuit shown in figure, the simplified Boolean expression for the output Y is

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Q. In the given figure assume that initially Q = 1 with Clock Pulses being given, the subsequent states of Q will be

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Q. In the circuit shown below, the outputs Y1 and Y2 for the given initial condition Y1 = Y2 = 1 and after four input pulses will be

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Q. For the logic circuit of the given figure the simplified Boolean expression is

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Q. Assertion (A): Gate triggering is the most commonly used method for triggering of an SCR.

Reason (R): Even a small gate current is sufficient to turn on an SCR.

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Q. A device which converts BCD to seven segment is called

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Q. In 2's complement representation the number 11100101 represents the decimal number

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Q. A decade counter skips

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Q. BCD input 1000 is fed to a 7 segment display through a BCD to 7 segment decoder/driver. The segments which will lit up are

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Q. A ring counter with 5 flip flops will have

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Q. The number of distinct Boolean expression of 4 variables is

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Q. The fixed count that should be used so that the output register will represent the input for a 6 bit dual slope A/D converter uses a reference of -6v and a 1 MHz clock. It uses a fixed count of 40 (101000).

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Q. A memory system of size 16 k bytes is to be designed using memory chips which have 12 address lines and 4 data lines each. The number of such chips required to design the memory system is

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Q. In a 7 segment display, LEDs b and c lit up. The decimal number displayed is

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Q. A 12 bit ADC is used to convert analog voltage of 0 to 10 V into digital. The resolution is

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