CBSE Class 12 Informatics Practices Sample Paper 2011 (4)

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CBSE Class 12 Informatics Practices Sample Paper 2011 (4). Based on CBSE and CCE guidelines. The students should practice these Question Papers to gain perfection which will help him to get more marks in CBSE examination. Please refer to more CBSE Class 12 question papers in other links. The CBSE Question papers are prepared based on trend in past examinations and expected questions in CBSE exams. Its always recommended by CBSE to practice the papers released by CBSE to get better exams in CBSE exams. CBSE Last Year Question Papers for class 12 for final/ term/ SA1/ SA2 Examinations conducted by Central Board of Secondary Education for all CBSE affiliated schools in India and abroad. Please refer to more CBSE Class XII sample papers, question papers, HOTs etc in other links.

SECTION-A

Q1. Answer the following questions: -

   a) Why GNU is known as GNU not Unix? 

   b) What is an Inventory Control System? Name any two entities or tables that could be a part of this system? 

   c) Differentiate between ER Modeling and Object Modeling Techniques.

   d) Write down the characteristics of Data Ware house.

   e) Give the difference b/w Shareware and proprietary software.

Q2. Answer the following questions:-

   a) Differentiate between a form module and class module of Visual Basic. 

   b) Explain the methods for loading and unloading forms. 

   c) What is DSN? 

   d) When the GotFocus and LostFocus Events occurs. 

   e) Differentiate between 

   f) i) Date and Date$ function ii) Call ByVal and Call ByRef

Q.3) Answer the following questions:

   a) Normalize the table with the following specification: 

      Employee (empno, dept_no, dept_name, salary, DOJ, dept_no, dept_name).

   b) If a table is dropped what happens to views and indexes dependent upon this table. 

   c) How will you drop a constraint from a table?

Please refer to attached file for CBSE Class 12 Informatics Practices Sample Paper 2011 (4)

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