CBSE Class 12 Informatics Practices Sample Paper 2011 Set 02 Solved

Informatics Practices
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Class 12 Informatics Practices Solved Model Papers: CBSE Class 12 Informatics Practices Sample Paper 2011 Set 02 Solved

Explore authentic exam practice materials through the CBSE Class 12 Informatics Practices Sample Paper 2011 Set 02 Solved. Tailored for Class 12 learners, utilizing these Informatics Practices sample papers ensures thorough preparation and strengthens time management skills before final CBSE evaluations.

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Section – A

Q 1. Answer the following questions

(a) Explain the following terms:

i. UNICODE

ii. GNU

(b) Explain the term Client Server Computing using suitable example.

(c) What does Object Oriented Modeling Technique mean? Why do we use UML?

(d) Explain the term Data Dictionary, Data Warehousing, Data Mining and Meta Data using suitable Examples.

Q2 Answer the following questions

(a) How do we restrict duplicate rows in SQL SELECT Query? Give example

(b) Define SQL Functions. Explain Single Row Functions and its subcategories giving examples in each category.

(c) Differentiate between Row Level Triggers and Statement Level Triggers using suitable example.

Q3 Answer the following questions

(a) Define the term Errors. Give any two general types of Errors with respect to visual basic error object.

(b) Differentiate between System Defined and User Defined functions in Visual Basic. Define a function funCheckNumeric() to check for validity of a numeric value passed as argument to the function. The function will return True if the value is numeric else will return False.

(c) Define the term Common Dialog Box. Explain the process to include and a Common Dialog Box in a visual Basic form and write the code fragment to show File Open Dialog when mnuFileNew is clicked?

Q4 Read the following case study and answer the questions that follows
A Class XII student studying Informatics Practices Course made a Picture Viewer using Visual Basic as programming tool. He had used a Form with Drive List Box, Directory List Box, File List Box and a Image control as described in the following table.

CBSE Class 12 Informatics Practices Sample Paper 2011 (2) 1

Answer the following questions based on the above program
 
(a) What is the function Name used to assign picture to an Image Control 
 
(b) Give the value for the Pattern Property of File List Box to show only JPEG images. 
 
(c) Write the code statement for dirMyDirectory_Change() event such that whenever there is a change in directory list box the file list box (filMyFile )should point towards the file in that directory
 
(d) Write a code statement for drvMyDrive_Change() event such that whenever there is a change in drive list box the directory list box should get modified
 
(e) Write a code snippet to trap the error and report it, when user selects a: in the drive list box and there is no floppy disk present in a: (a drive). The drive list box should revert back to c: drive


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CBSE Class 12 Informatics Practices Sample Paper 2011 Set 02 Solved & Sample Question Papers for Class 12 Informatics Practices

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Key Advantages of Solving CBSE Class 12 Informatics Practices Sample Paper 2011 Set 02 Solved

  • Curriculum Insights: Clarify chapter-wise weightage rules and question trends across Class 12.
  • Gap Analysis: Check performance drops across sets to isolate specific Class 12 Informatics Practices topics needing extra attention.
  • Time Efficiency: Working through objective and descriptive problems builds critical pacing to finish exams comfortably.

Steps to Follow After Completing CBSE Class 12 Informatics Practices Sample Paper 2011 Set 02 Solved

  1. Verify Answers: Compare your responses against professional teacher solutions provided in the sample paper keys.
  2. Error Analysis: Class 12 learners must review incorrect answers carefully to understand underlying mistakes.
  3. Concept Reinforcement: Consult the official NCERT book for Class 12 Informatics Practices when stuck before re-attempting problems.

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