CBSE Class XII Pre-Board : (Informatics
Q 1 Answer the following question :
a) Define –
b) What is the purpose of Data Mining?
c) Define the following terms.
i) Data Dictionary
ii) Data Warehousing
d) What does object modeling technique mean? Why do we use UML?
e) Explain Localization & Internationalization.
Q 2 Answer the following question :
a) Explain the following terms
i) Startup Form
ii) Load Statement
iii) Show Method
b) How is a standard module different from a form module? Explain with
c) Explain the term Data Provider and Data Control.
d) Write one difference and one common characteristic between a control and a
variable in Visual basic?
e) What do understand by OLE?