CBSE Class 12 Informatics Practices Sample Paper 2011 (1). CBSE issues sample papers every year for students for class 12 board exams. Students should solve the CBSE issued sample papers to understand the pattern of the question paper which will come in class 12 board exams this year. The sample papers have been provided with marking scheme. It’s always recommended to practice as many CBSE sample papers as possible before the board examinations. Sample papers should be always practiced in examination condition at home or school and the student should show the answers to teachers for checking or compare with the answers provided. Students can download the sample papers in pdf format free and score better marks in examinations. Refer to other links too for latest sample papers.
Section – A
Q 1. Answer the following questions
(a) Explain the following terms:
(b) Write the essential components of SDLC using a sample case study.
(c) Explain the term Data Modeling. What does UML mean? Give the name of two commercially available packages supporting Object Modeling Technique.
Q2 Answer the following questions
(a) Write names of any two popular Relational Database Management Systems.
(b) Define SQL. Explain SQL subcategories giving at least one example command in each category.
(c) Differentiate between Decision Control and Looping Control Structure in context with PL/SQL
Q3 Answer the following questions
(a) What is an Event? Name an Event Driven programming language.
(b) Differentiate using a suitable example, between MsgBox () and InputBox () functions in Visual Basic
(c) Differentiate between a ADODB project reference and ADO DC in a form using suitable Example.
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