CBSE Class 12 Informatics Practices Sample Paper 2013 Set 05

Informatics Practices
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Class 12 Informatics Practices Solved Model Papers: CBSE Class 12 Informatics Practices Sample Paper 2013 Set 05

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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? 
 
d) Find the join of the following two tables:

CBSE Class 12 Informatics Practices Sample Papers 2013 (11) 1

e) What is the advantage of an anchored data type?
 
SECTION –B
 
Q 4. Answer the following questions:
 
a) Write a VB program to compare two strings using function. 
 
b) Write a sub program to find the largest, smallest, sum and average number of array of ten numbers. 
 
c) What will be the output of the following program. 
 
Private Sub Command_click()
Dim str1 as string
str1 =”Computer”
n=1
Do While n<=len(str1)
Print left(str1,n)
n=n+1
Loop
End Sub
 
d) Write a VB procedure to reverse the digits of given number. 
 
Q 5. Do the following:
 
a. Find the Error: 
 
Sub Fibonacci(S1 as NUMBER,S2 as INTEGER,N as INTEGER)
Output S1,S2
Dim count as Integer,dim term as Integer
For count EQUAL 3 TO N
Term = S1+S2
Print term
S1=S2
S2=term
Next value
End sub
 
b. Write the output of the given code: 
 
Sub first()
Dim x as integer
x=20
Print x
Call second(x)
Print x
End Sub
Sub second (y as integer)
y=40
Print y
End Sub
Private Sub Command1_click()
Call first
End Sub
 
c. Find the output of the following: 
 
Dim String1 as string
Dim String2 as string
String1=”VB IS NOT AN OOP”
String2=”an”
S=Instr(3,String1,String2)
Print S
 
d. If today’s date is 21/09/08 then what is the o/p of the statement  Print Format(Now,”ddd,mmmm dd,yyyy”)


Please refer to attached file for CBSE Class 12 Informatics Practices Sample Paper 2013 Set E

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Explore downloadable sample sets for Class 12 Informatics Practices. Utilizing the CBSE Class 12 Informatics Practices Sample Paper 2013 Set 05 allows learners to gauge exam readiness and master official CBSE assessment structures.

Key Advantages of Solving CBSE Class 12 Informatics Practices Sample Paper 2013 Set 05

  • 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 2013 Set 05

  1. Review Solutions: Evaluate your completed papers using expert-verified guidance inside our solution sets.
  2. Target Weaknesses: Class 12 students should analyze missed questions to rectify conceptual misunderstandings.
  3. Deep Revision: Re-read sections in the NCERT book for Class 12 Informatics Practices to clear doubts before solving items again.

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