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1997 Course Object Oriented Component Systems (Elective II)

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Total No. of Questions : 10] [Total No. of Pages : 2 P1184 [3664]-93 B.E. (Information Technology) OBJECT ORIENTED COMPONENT SYSTEMS (1997 Course) (410452) (Elective - II) Time : 3 Hours] [Max. Marks : 100 Instructions to the candidates:1) Answer any three questions from each section. 2) Answers to the two sections should be written in separate books. 3) Draw neat diagrams wherever necessary. 4) Marks on the right indicate full marks. 5) Make suitable assumptions wherever necessary and relevant. SECTION - I Q1) a) b) What do you understand by components, interfaces and why are components, interfaces important in distributed systems. [8] What is the growing importance of network and internet. What are the advantages and disadvantages of distributed systems as compared to centralized systems. [8] Q2) Explain in brief, terms and concepts : a) Databases for persistent storage. b) Interface definition language. c) Objects and classes. d) Inheritance. Q3) a) b) [16] Describe in detail with explanations what do you understand by concept of client, server, tiers in software in context of client server systems and concept of Glue(middleware) in 3 tier client server systems. [10] [6] Write short notes on COM/DCOM. Q4) Briefly discuss : a) Object oriented databases. b) XML. c) Performance of software systems. d) HTML. [16] P.T.O. Q5) Write short notes on any three : [18] a) Neat diagram for CORBA. b) Web browsers as clients. c) Userfriendly Graphical User Interfaces (GUI) for desktop applications. d) CORBA. SECTION - II Q6) How has Internet impacted our communication with each other as well as the way we do business, illustrate with examples of popular websites and few example web based activities one does. [16] Q7) Write on java language and its features with examples, suitability of java for web applications, features of advanced java like J2EE. [16] Q8) Discuss the following concepts in brief : a) Features in a good user-friendly website. b) Static websites. c) Transactions properties : to recover from failure. d) Authentication of users using login, pros and cons. [16] Q9) Explain in detail the need for the following, giving appropriate EXAMPLES : [16] a) b) Software Components. How security is important in today s internet world. Q10)Write short notes on any three : [18] a) Advantage of components in assembling a car (like engine, tire ...). b) Interactive, dynamic web pages (with java applets...). c) Performance and response time of a website. d) HTML, DHTML, HTTP. vvvv [3664]-93 2

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