Q. How many bits string of length 4 are possible such that they contain 2 ones and 2 zeroes?

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Q. If a bit string contains {0, 1} only, having length 5 has no more than 2 ones in it. Then how many such bit strings are possible?

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Q. If A is “001100” and B is “010101” then what is the value of A (Ex-or) B?

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Q. The Ex-nor of this string “01010101” with “11111111” is?

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Q. What is the one’s complement of this string “01010100”?

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Q. What is the 2’s complement of this string “01010100”?

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Q. If in a bits string of {0,1}, of length 4, such that no two ones are together. Then the total number of such possible strings are?

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Q. Let A: “010101”, B=?, If { A (Ex-or) B } is a resultant string of all ones then which of the following statement regarding B is correct?

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Q. Let P and Q be statements, then P<->Q is logically equivalent to __________

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Q. What is the negation of the statement A->(B v(or) C)?

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Q. The compound statement A-> (A->B) is false, then the truth values of A, B are respectively _________

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Q. The statement which is logically equivalent to A∧ (and) B is?

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Q. Let P: We give a nice overall squad performance, Q: We will win the match.
Then the symbolic form of “We will win the match if and only if we give a nice overall squad performance.“ is?

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Q. Let P, Q, R be true, false true, respectively, which of the following is true?

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Q. “Match will be played only if it is not a humid day.” The negation of this statement is?

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Q. Consider the following statements.

A: Raju should exercise.
B: Raju is not a decent table tennis player.
C: Raju wants to play good table tennis.

The symbolic form of “Raju is not a decent table tennis player and if he wants to play good table tennis then he should exercise.” is?

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Q. The statement (~P<->Q)∧~Q is true when?

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Q. Let P, Q, R be true, false, false, respectively, which of the following is true?

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Q. If there are ‘M’ switches in series numbered from 1, 2, …, M. For circuit to be complete and bulb to glow which of the following is necessary?

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Q. If there are ‘M’ switches in parallel numbered from 1, 2, …, M. For circuit to be complete and bulb to glow which of the following is necessary

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