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Important Question for Computer Science and Application UGC-NET





















Test Your Skill


UGC-NET Paper III in Computer Science and Application - Test your Skill - Try to get correct answer






1. In Delta Rule for error minimization?


a)Weights are adjusted w.r.to change in the output


b)Weights are adjusted w.r.to difference between desired output and actual output


c)Weights are adjusted w.r.to difference between input and output



d)None of the above



2.Which level of Abstraction describes what data are stored in the Database?



a) Physical level



b)View level


c)Abstraction level



d)Logical level




3.The problem that occurs when one transaction updates a database item and then the transaction fails for
some reason is ________.



a)Temporary Select Problem



b)Temporary Modify Problem


c)Dirty Read Problem



d)None




4.X.25 is ________ Network.


a)Connection Oriented Network


b)Connection less Network


c)Either Connection Oriented or Connection Less


d)Neither Connection Oriented nor Connection Less




5.Which of the following is scheme to deal with deadlock?


a)Time out



b)Time in



c)Both (A) & (B)



d)None of the above



6.The quantiser in an image­compression system is a


a)lossy element which exploits the psychovisual redundancy


b)lossless element which exploits the psychovisual redundancy


c)lossy element which exploits the statistical redundancy


d)lossless element which exploits the statistical redundancy



7.Data Warehouse provides


a)Transaction Responsiveness


b)Storage, Functionality Responsiveness to queries


c)Demand and Supply Responsiveness


d)None of the above



8.The mechanism that binds code and data together and keeps them secure from outside world is known as?


a)Abstraction


b) Inheritance


c) Encapsulation


d) Polymorphism



9. Which of the following IP address class is a multicast address?


a)Class A


b)Class B


c) Class C


d)Class D



10.Number of binary trees formed with 5 nodes is


a)32


b)36


c)120


d)42i












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