1st Terminal Exam 2014
Subject : Information Practice
Class XII
Time : 3 hrs
MM : 60
1. State
whether the following statements are True or False 1 X
10=10
i.
OSS stands for open source software.
ii.
Visual basic is an event driven language.
iii.
There is no difference between standard
modules and class modules
iv.
The do-loop while and Do-While are identical
in all respects.
v.
Predictive modeling is a commonly used
technique for data mining.
vi.
Class modules are implementation of
procedural language.
vii.
A loop allows a statements or series of
statements to be repeated.
viii.
GNU/Linux is a open source software Operating
system.
ix.
Internet is an example of client server
model.
x.
The modification of open source software is
not allowed.
2.
a) What
is free software? 4
b) What
do you mean by SQL? 4
c) Explain
the term front end and back end?
4
3.
a) What
do you mean by ODBC and JDBC? 3
b) Define
the following terms : Entity, Entity Set, Attributes, Relationship ? 3
OR
a) What
do you mean by System Development life Cycle ? 3
b) What
is metadata? 3
4.
a) Define
UML? 5
b) Explain
the features of Data Warehouse? 5
OR
a) Explain
the concept of Nested looping ? What is the order of executing in case of
nesting control constructs? 5
b) What
are general procedure & event procedure? 5
5.
a) What
are the different types of modules in VB ? 5
b) Difference
between Int() and Fix() functions ? 5
OR
a) What
all controls can be placed on MDI forms? 5
b) What
is the significance of locking a record set? Also write possible values that a
lock type property of a record set object can assume? 5
6.
a) Write
a short note on data environment designer? 4
b) What
is Database? Write its advantages and disadvantages? 4
c) Difference
between SDLC and DDLC? 4
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