Q. Assertion (A): Demorgan's first theorem replaces a NOR gate by bubbled AND gate.

Reason (R): Double complement of a variable equals the variable.

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Q. A flip-flop circuit is

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Q. Assertion (A): The use of 2's complement has simplified the computer hardware for arithmetic operations

Reason (R): 2's complement is obtained by adding 1 to 1's complement.

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Q. How many lines are there in address bus of 8085 μp?

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Q. Consider the following statements Timer 555 can be used as

1. monostable multivibrator
2. bistable multivibrator
3. astable multivibrator

Which of the above statements are correct?

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Q. Which is correct with respect to computer memory?

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Q. A 3 bit binary adder should use

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Q. For a depletion type NMOS, Vp = - 4 volts. For VGS = 0, 1D = 16 mA in the pinch off region of VDS. For VGS = - 2, the value of ID in the pinch off region of VDS is given by

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Q. The two outputs of RS flip-flop are

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Q. The sum of 1110101₂ and 11011₂ in decimal form will be

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Q. Binary 1111 when added to binary 11111, the result in binary is

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Q. In the 2's complement Adder-Subtractor

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Q. The widely used binary multiplication method is

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Q. Which of the following logic family is fastest of all?

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Q. High speed counter

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Q. Registers and counters are similar in the sense that they both

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Q. 2's complement representation of a 16 bit number (one sign bit and 15 magnitude bit) is FFFF. Its magnitude in decimal representation is

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Q. A 4 line to 16 line decoder has

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Q. Which one of the following is the correct sequence of the numbers represented in the series given below?

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Q. The internal structure of PL A is similar to

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