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Explain briefly, why dynamic RAMs require refreshing?
Ans:
Due to the charge's natural tendency to distribute itself in a lower energy-state configuration that is, the charge stored upon capacitors leak-off with time, dynamic RAMs need periodic charge refreshing to keep data storage.
Ask questDesign a logic circuit with 4 inputs A, B, C & D that will produce output ‘1’ only whenever two adjacent input variables are 1’s. A & D are also to be treated as adjacent,
what inputcombinations may those hazard take place and how can they be eliminated? F1= AB'' + A''C + BC''D'' F2= AB + A''C''D + AB''D
complete notes
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