The relationship between molecular connectivity indices and anticonvulsant activity of a series of hydantoin/thiohydantoin analogs has been investigated. The values of molecular connectivity index and valence molecular connectivity index of 82 compounds were computed and active ranges were identified. The activity assigned to each analog using these topological descriptors was subsequently compared with the reported activity against maximal electroshock convulsions. Predictions with high degree of accuracy were observed using these indices.

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E-learning and online exams have become norm of the day. E-learning and evaluation of what user has learnt through it, now spans all the disciplines of learning like science, arts, commerce, business, engineering and computer science. Online exams are used as tool for assessing large number of students at a faster pace. Automatic evaluation of concepts is one of the major part of online exams. In this paper the researchers have proposed an online examination system for creating and evaluating analog circuits. The researchers have taken into account electronic circuits that generates analog output and have evaluated and graded these circuits automatically based on its logical and functional aspects. The proposed system will save time and efforts put by faculty in evaluation of large number of students.

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