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Summer 2015
PROGRAM: MCA (REVISED FALL 2012)
SEMESTER: FIRST
SUBJECT CODE & NAME: MCA1040- SYSTEM ANALYSIS AND
DESIGN
CREDIT: 4
BK ID: B1647
MAX. MARKS: 60
Q.1:
List different types of Systems. Compare Physical or abstract systems and Open
or closed systems.
ANS:
There are different types of
system. These can be categorised in many ways.
·
Physical
or abstract systems
·
Open
or closed systems
Q.2:
Define attributes. What are the two attribute classifications? Explain about
properties and characteristics.
ANS:
Attributes:
The term ‘Attributes’ stands
for functional or physical traits of a system. System attributes are considered
as the supposed qualities of the system. Some examples of attributes are
temperature, location, state, gender, income levels
Q.3: Explain the
concept of Analysis and Design in system development life cycle.
ANS:
System development is quite a
challenging and difficult task. In developing big integrated system, like MIS,
a lot of people are involved and several months or even years are devoted for
completion. But, a small autonomous application, like payroll, can be generated
in a number of weeks or months by a single or only a
Q.4: Write short notes on:
a. Data Dictionary
b. Data Element
c. Data Structure
d. Data Store
e. Data Flow
ANS:
Data Dictionary:
A catalogue comprising all data
elements, data structures and processes depicted in logical DFDs is known as a
data dictionary. Following are some of the terminologies used in DFD:
Data
Q.5:
What are the different types of methods used for the
training of operators and users? Discuss.
ANS:
There are different methods for organizing
training of operators and users. Most significant among them are as follows:
·
Vendor and In-service Training: The best source of training is
the vendor who provides the
Q.6: Explain the concept of inheritance and polymorphism with
example.
ANS:
Concept of inheritance:
Inheritance is defined as a
method in which the subclass inherits the properties and attributes of a class.
In the process of
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