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Computer Scienc...

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  • Question 1
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    In a J-K flip flop, when J = 1 and K = 1 then it will be considered as:

  • Question 2
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    Consider 4 matrices Q, R, S and T with dimensions 13 × 12, 12 × 30, 30 × 15 and 15 × 18 respectively. What is the least number of scalar multiplications needed to find the product QRST using the basic matrix multiplication method?

  • Question 3
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    Directions For Questions

    Consider a Turing machine M given below that accepts the language.

    L = {bnan+1 |n ≥ 1}

    B in ‘M’ represents Blank symbol.

    ...view full instructions

    What will be the missing part/transition for P and Q respectively in the given Turing machine?

  • Question 4
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    [A] is a square matrix which is neither symmetric nor skew-symmetric and [A]T is its transpose. The sum and difference of these matrices are defined as [S] = [A] + [A]T and [D] = [A] - [A]T, respectively. Which of the following statements is true?

  • Question 5
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    To derive the string length 4, How many minimum productions are required for Chomsky normal form ?

  • Question 6
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    A router uses the following routing table:

    Destination

    Mask

    Interface

    144.16.0.0

    255.255.0.0

    eth0

    144.16.64.0

    255.255.224.0

    eth1

    144.16.68.0

    255.255.255.0

    eth2

    144.16.68.64

    255.255.255.224

    eth3

    A packet bearing an estimation address 144.16.68.117 arrives at the router. On which interface will it be forwarded?

  • Question 7
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    Box A contains 2 black and 3 red balls while box B contains 3 black and 4 red balls. Out of these two boxes one is selected at random and the probability of choosing box A is double that of box B. If a red ball is drawn from the selected box, then the probability that it has come from box B is

  • Question 8
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    For the given IP address: 150.32.4.1/22, which of the following cannot be valid host IDs on the LAN interface attached to the router?

  • Question 9
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  • Question 10
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    Find the decimal equivalent of the bit pattern 10111111110100000000000000000000 as per the IEEE 754 standard. In IEEE 754 a single bit precision binary floating point format is stored in 32 bits.

    S ( 1 bit )

    E ( 8 bits )

    M ( 23 bits )

    Exponent is biased with 127.

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