Showing posts with label Information Practice Class XII. Show all posts
Showing posts with label Information Practice Class XII. Show all posts

Friday, 12 September 2014

Information Practice Class XII



1st Terminal Exam 2014
Subject : Information Practice
Class XII
Time : 3 hrs                                                                                    MM : 60
1.    State whether the following statements are True or False       1 X 10=10
                      i.        OSS stands for open source software.
                    ii.        Visual basic is an event driven language.
                   iii.        There is no difference between standard modules and class modules
                   iv.        The do-loop while and Do-While are identical in all respects.
                    v.        Predictive modeling is a commonly used technique for data mining.
                   vi.        Class modules are implementation of procedural language.
                  vii.        A loop allows a statements or series of statements to be repeated.
                viii.        GNU/Linux is a open source software Operating system.
                   ix.        Internet is an example of client server model.
                    x.        The modification of open source software is not allowed.
2.     
a)    What is free software?                                                                                      4
b)    What do you mean by SQL?                                                               4
c)    Explain the term front end and back end?                                        4
3.     
a)    What do you mean by ODBC and JDBC?                                        3
b)    Define the following terms : Entity, Entity Set, Attributes, Relationship ? 3
OR
a)    What do you mean by System Development life Cycle ?              3
b)    What is metadata?                                                                                             3
4.     
a)    Define UML?                                                                                                      5
b)    Explain the features of Data Warehouse?                                        5
OR
a)    Explain the concept of Nested looping ? What is the order of executing in case of nesting control constructs?                                                                                5
b)    What are general procedure & event procedure?                            5
5.     
a)    What are the different types of modules in VB ?                             5
b)    Difference between Int() and Fix() functions ?                                            5
OR     
a)    What all controls can be placed on MDI forms?                              5
b)    What is the significance of locking a record set? Also write possible values that a lock type property of a record set object can assume?                        5
6.     
a)    Write a short note on data environment designer?                                     4
b)    What is Database? Write its advantages and disadvantages?     4
c)   Difference between SDLC and DDLC?                                                      4