CBSE Class 12 Informatics Practices Sample Papers 2013 (12)

CBSE Class 12 Informatics Practices Sample Papers 2013 (12). 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.

1 Answer the following questions:
A Elaborate the term SDLC explaining its essential components using a sample case study
B Explain the term Hardware, and Software using suitable example.
C Explain the term Client Server Computing using suitable example.
D What do you mean by Front-end and Back-end technology in terms of software projects. Give one example of each 
2 Answer the following questions:
A Differentiate between SDI and MDI Form in Visual Basic. In the Similar Context , Explain the concept of Parent and Child forms.
B What do you mean by Events, Message, Method, and Properties? How they are related to each other? Explain 
C Differentiate between Form_LOAD and Form_ACTIVATE? 
D What do you mean by Front-end and Back-end technology in terms of software projects. Give one example of each. 
E Differentiate between Do while Loop and Do Until loop of Visual basic giving a suitable example of each? 
3 Answer the following questions:
A How do we restrict duplicate rows in SQL SELECT Query? Give example. 
B What are Cursor attributes? What do these attributes evaluate to when associated with IMPLICIT and EXPLICIT cursors? Write a PL/SQL block to find the factorial of a number entered by user. 
C Explain DDL DML and DCL with suitable example .

Please refer to attached file for CBSE Class 12 Informatics Practices Sample Papers 2013 (12)



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