isha123

isha123

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Member since
Aug 26, 2015
Last active
Oct 27, 2015
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  1. #Threads

    Find the candidate key for the given FD

    Relation Schema: U(A,B,C,D,E,F) FD's: AC-->F B-->D AB-->CEF ACE-->B AEF-->BC I found the candidate keys to be AB,ACE,ADEF.is this right? And I would...

  2. #Threads

    0a48d7da-7e17-46ff-be51-dc1ea2fdd924

    #-Link-Snipped-# #-Link-Snipped-# I actually came across this while reading digital data transmission in computer networks.

  3. #Threads

    3f6a0340-b524-40c7-94ca-271b4584739a

    #-Link-Snipped-# thankyou so much

  4. #Threads

    What is dc component for digital signals?

    I read that when voltage level is constant for a while,spectrum creates very low frequencies.How are voltage levels related to frequency?