SMU Solved Assignments Spring 2014

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ASSIGNMENT
PROGRAM MCA(REVISED FALL 2012)
SEMESTER FIRST
SUBJECT CODE & NAME MCA1040- SYSTEM ANALYSIS AND DESIGN
CREDIT 4
BK ID B1647
MAX.MARKS 60
Note: Answer all questions. Kindly note that answers for 10 marks questions should be approximately
of 400 words. Each question is followed by evaluation scheme.
Q.1 List different types of Systems. Compare Physical or abstract systems and Open or closed systems.
Answer: - A system is a set of interacting or interdependent components forming an integrated wholeor
a set of elements (often called ‘components’) and relationships which are different from relationships of
the set or its elements to other elements or sets. Every system is delineated by its spatial and temporal
boundaries, surrounded and influenced by its environment, described by its structure and purpose and
expressed in its functioning.
Q.2 Define attributes. What are the two attribute classifications? Explain about properties and
characteristics.
Answer: - Attributes: - An attribute is a specification that defines a property of an object, element, or
file. It may also refer to or set the specific value for a given instance of such. For clarity, attributes should
more correctly be considered metadata. An attribute is frequently and generally a property of a
property. However, in actual usage, the term attribute can and is often treated as equivalent to a
property depending on the technology being discussed. An attribute of an object usually consists of a
name and a value; of an element, a type or class name; of a file

2. Q.3 Explain the concept of Analysis and Design in system development life cycle.
Answer: - The systems development life cycle (SDLC), also referred to as the application development
life-cycle, is a term used in systems engineering, information systems and software engineering to
describe a process for planning, creating, testing, and deploying an information system.[1] The systems
development life-cycle concept applies to a range of hardware and software configurations, as a system
can be composed of hardware only, software only, or a combination of
Q.4 Write short notes on:
a. Data Dictionary
b. Data Element
c. Data Structure
d. Data Store
e. Data Flow
Answer:- a. Data Dictionary:- A data dictionary, or metadata repository, as defined in the IBM
Dictionary of Computing, is a "centralized repository of information about data such as meaning,
relationships to other data, origin, usage, and format."[1] The term can have one of several closely
related meanings pertaining to databases and
Q.5 What are the different types of methods used for the training of operators and users? Discuss.
Answer: - Training is a set of a systematic processes designed to meet learning objectives related to
trainees' current or future jobs. These processes can be grouped into the following phases; needs
analysis, design, development, implementation, and evaluation. The phases are sequential, with the
outputs of the previous phases providing the inputs to those that follow. Figure 1 depicts the phases and
their relationships. Training delivery methods consist of the techniques and materials used by trainers to
structure learning experiences. Different training delivery methods are better or worse at achieving
various learning objectives. During the design phase (see Figure 1) the different methods are examined
to determine their appropriateness for the learning
Q.6 Explain the concept of inheritance and polymorphism with example.
Answer:- concept of inheritance :- In object-oriented programming (OOP), inheritance is when an object
or class is based on another object or class, using the same implementation. It is a mechanism for code
reuse. The relationships of objects or classes through inheritance give rise to a hierarchy. Inheritance
was invented in 1967 for Simula.
In some languages inheritance and sub typing agree, while in others they differ; in general sub typing
establishes an is-a relationship, while inheritance only reuses implementation and establishes a syntactic
relationship, not necessarily a semantic relationship (

3. Dear students get fully solved SMU MBA Spring 2014 assignments
Send your semester & Specialization name to our mail id :
“ help.mbaassignments@gmail.com ”
or
Call us at : 08263069601