This document provides an overview of system analysis and design. It discusses the key concepts including:
1) System analysis specifies what the system should do by identifying objectives and decomposing the system into components.
2) System design focuses on how to accomplish objectives by defining system modules to satisfy requirements.
3) A system is an organized relationship between interdependent components that achieve a common goal.
discuss about System system analysis, system design, system analyst's role, Development of System through analysis, SDLC, Case Tools of SAD, Implementation, etc.
discuss about System system analysis, system design, system analyst's role, Development of System through analysis, SDLC, Case Tools of SAD, Implementation, etc.
This lecture provide a review of requirement engineering process. The slides have been prepared after reading Ian Summerville and Roger Pressman work. This lecture is helpful to understand user, and user requirements.
Software design is a process through which requirements are translated into a ― blueprint for constructing the software.
Initially, the blueprint shows how the software will look and what kind of data or components will be required to in making it.
The software is divided into separately named components, often called ‘MODULES’, that are used to detect problems at ease.
This follows the "DIVIDE AND CONQUER" conclusion. It's easier to solve a complex problem when you break it into manageable pieces.
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.
This lecture provide a review of requirement engineering process. The slides have been prepared after reading Ian Summerville and Roger Pressman work. This lecture is helpful to understand user, and user requirements.
Software design is a process through which requirements are translated into a ― blueprint for constructing the software.
Initially, the blueprint shows how the software will look and what kind of data or components will be required to in making it.
The software is divided into separately named components, often called ‘MODULES’, that are used to detect problems at ease.
This follows the "DIVIDE AND CONQUER" conclusion. It's easier to solve a complex problem when you break it into manageable pieces.
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.
This PPT is prepared for students and other professionals regarding Management Information System (MIS) subject as lecture notes.This PPT aims to help students to recognize, specify and communicate effectively to data processing personnel to about information system. It also helps students to interpret new developments in information technology and fit into an overall framework. .OTHER TOPICS ARE DISCUSSED IN THE CONSECUTIVE PPTS
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System Analysis & Designing : Elements of a System [In short]Abir Maheshwari
One of the topic from SAD named 'Elements of a System'. there are 6 keys elements to construct and reconstruct the business. which are described in this topics but in short, more to come stay connected. Thank you.
A system is a group of interrelated components working together toward a common goal by accepting inputs and producing outputs in an organized transformation process.
What is Software or System ?
How to develop a good Software or System ?
What attributes of designing a good Software or System ?
Which methodology should be to design a good Software or System ?
What is SDLC ?
How many phases available in SDLC ?
Artificial intelligence (AI) offers new opportunities to radically reinvent the way we do business. This study explores how CEOs and top decision makers around the world are responding to the transformative potential of AI.
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Successfully developed the $15-20M yearly corporate capital strategy for manufacturing, with the Executive Team and key stakeholders. Created project scope and specifications, business case, ROI, managed project plans with key personnel for nine consumer product manufacturing and distribution sites; to support the company’s strategic sales plan.
Over 15 years of experience managing and developing cost improvement projects with key Stakeholders, site Manufacturing Engineers, Mechanical Engineers, Maintenance, and facility support personnel to optimize pro-duction operations, safety, EHS, and new product development. (BioLab, Deutz, Caire)
Experience working as a Technical Manager developing new products with chemical engineers and packaging engineers to enhance and reduce the cost of retail products. I have led the activities of multiple engineering groups with diverse backgrounds.
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The case study discusses the potential of drone delivery and the challenges that need to be addressed before it becomes widespread.
Key takeaways:
Drone delivery is in its early stages: Amazon's trial in the UK demonstrates the potential for faster deliveries, but it's still limited by regulations and technology.
Regulations are a major hurdle: Safety concerns around drone collisions with airplanes and people have led to restrictions on flight height and location.
Other challenges exist: Who will use drone delivery the most? Is it cost-effective compared to traditional delivery trucks?
Discussion questions:
Managerial challenges: Integrating drones requires planning for new infrastructure, training staff, and navigating regulations. There are also marketing and recruitment considerations specific to this technology.
External forces vary by country: Regulations, consumer acceptance, and infrastructure all differ between countries.
Demographics matter: Younger generations might be more receptive to drone delivery, while older populations might have concerns.
Stakeholders for Amazon: Customers, regulators, aviation authorities, and competitors are all stakeholders. Regulators likely hold the greatest influence as they determine the feasibility of drone delivery.
2. Agenda
1. Systems analysis
2. Systems design
3. What is System ?
4. Properties of a System
5. Elements of a System
6. Types of Systems
3. 1.Systems analysis
Analysis specifies what the system should do.
It is a process of collecting and interpreting facts, identifying
the problems, and decomposition of a system into its
components.
System analysis is conducted for the purpose of studying a
system or its parts in order to identify its objectives.
It is a problem solving technique that improves the system and
ensures that all the components of the system work efficiently
to accomplish their purpose.
4.
5. System Design focuses on how to
accomplish the objective of the system.
It is a process of planning a new business
system or replacing an existing system
by defining its components or modules to
satisfy the specific requirements.
Before planning, you need to understand
the old system thoroughly and determine
how computers can best be used in order
to operate efficiently.
2.Systems design SystemDesign
6. What is System
The word System is derived from Greek word
Systema, which means an organized relationship
between any set of components to achieve some
common cause or objective.
A system is “an orderly grouping of interdependent
components linked together according to a plan to
achieve a specific goal.”
7. 4.Integration 5.Central Objective1.Organization
Properties of a System
3.Interdependence2.Interaction
Organization
implies structure
and order. It is
the arrangement
of components
that helps to
achieve
predetermined
objectives.
It is defined
by the
manner in
which the
components
operate with
each other.
It means how the
components of a system
depend on one another.
For proper functioning,
the components are
coordinated and linked
together according to a
specified plan.
The output of one
subsystem is the
required by other
subsystem as input.
It is concerned
with how a system
components are
connected
together. It means
that the parts of
the system work
together within
the system even if
each part
performs a
unique function.
The objective of system
must be central. It may be
real or stated. It is not
uncommon for an
organization to state an
objective and operate to
achieve another.
The users must know the
main objective of a
computer application early
in the analysis for a
successful design and
conversion.
8. Elements of a System
input process output
Feedbackand Control
Environment
Super system
Inputs are the
information that
enters into the
system for
processing enters
into the system
for processing.
Output is the
outcome of processing.
The main aim of a
system is to produce an
output which is useful
for its user.
The processor is the
element of a system that
involves the actual
transformation of input into
output.
Feedback provides
the control in a
dynamic system.
. The control element
guides the system.
The environment is the “super
system” within which an organization
operates.
9. Types of Systems
1.Physical or Abstract Systems
Physical systems are tangible entities. We can touch and
feel them.
Physical System may be static or dynamic in nature.
For example, desks and chairs are the physical parts of
computer center which are static. A programmed computer is
a dynamic system in which programs, data, and applications
can change according to the user's needs.
Abstract systems are non-physical entities or conceptual
that may be formulas, representation or model of a real
system.
10. 2.Open or Closed Systems
An open system must interact with its environment. It
receives inputs from and delivers outputs to the outside
of the system.
For example, an information system which must adapt to
the changing environmental conditions.
A closed system does not interact with its environment.
It is isolated from environmental influences. A
completely closed system is rare in reality.
3.Adaptive and Non Adaptive System
Adaptive System responds to the change in the environment
in a way to improve their performance and to survive. For
example, human beings, animals.
Non Adaptive System is the system which does not respond
to the environment. For example, machines.
11. Permanent System persists for long time. For example,
business policies.
Temporary System is made for specified time and after that
they are demolished. For example, A DJ system is set up
for a program and it is dissembled after the program.
4.Permanent or Temporary System
Natural systems are created by the nature. For example,
Solar system, seasonal system.
Manufactured System is the man-made system. For example,
Rockets, dams, trains.
5.Natural and Manufactured System
12. Deterministic system operates in a predictable manner and
the interaction between system components is known with
certainty. For example, two molecules of hydrogen and one
molecule of oxygen makes water.
Probabilistic System shows uncertain behavior. The exact
output is not known. For example, Weather forecasting, mail
delivery.
6.Deterministic or Probabilistic
System
Social System is made up of people. For example, social clubs,
societies.
In Human-Machine System, both human and machines are involved to
perform a particular task. For example, Computer programming.
Machine System is where human interference is neglected. All the tasks
are performed by the machine. For example, an autonomous robot.
7.Social, Human-Machine, Machine System
13. It is an interconnected set of information resources to
manage data for particular organization, under Direct
Management Control (DMC).
This system includes hardware, software, communication, data,
and application for producing information according to the
need of an organization.
Man-made information systems are dividedintothree types :−
1.Formal Information System − It is based on the flow of information in the form of
memos, instructions, etc., from top level to lower levels of management.
2.Informal Information System − This is employee based system which solves the day to
day work related problems.
3.Computer Based System − This system is directly dependent on the computer for
managing business applications. For example, automatic library system, railway
reservation system, banking system, etc.
8.Man–Made Information Systems