Accounting Information System. (AIS)
Data and information
What Is AIS
History Of AIS
Component
Model Of AIS
Steps In AIS
Objective Purpose and Use of AIS
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Offers both liquidity and flexibility.
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http://www.biovista.com/vizit/
Accounting Information System. (AIS)
Data and information
What Is AIS
History Of AIS
Component
Model Of AIS
Steps In AIS
Objective Purpose and Use of AIS
Lecture 21 expenditure cycle part i - accounting information systesm james ...Habib Ullah Qamar
the expenditure cycle, the physical phase, financial phase, the purchases system, the cash disbursement system, conceptual revenue cycle, manual revenue cycle and computer based accounting information systems
Cash is the most liquid of assets.
Offers both liquidity and flexibility.
Both the beginning and the end of a company’s operating cycle.
Contrast: Accrual accounting and Cash basis accounting.
Net cash flow as the end measure of profitability.
Cash flow analysis helps in assessing liquidity, solvency, and financial flexibility.
Biovista Vizit: Overview and Quick Start GuideBiovista Inc.
Vizit is a visual search engine that helps scientists explore connections between biomedical concepts, such as Genes, Diseases, Pathways, Organisms, etc. as they appear on PubMed.
http://www.biovista.com/vizit/
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Data file handling has been effectively used in the program.
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http://sandymillin.wordpress.com/iateflwebinar2024
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This webinar will introduce you to my framework, highlighting the key competencies I identified from my research. It will also show how anybody involved in language teaching (any language, not just English!), teacher training, managing schools or developing language learning materials can benefit from using the framework.
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The Roman Empire, a vast and enduring power, stands as one of history's most remarkable civilizations, leaving an indelible imprint on the world. It emerged from the Roman Republic, transitioning into an imperial powerhouse under the leadership of Augustus Caesar in 27 BCE. This transformation marked the beginning of an era defined by unprecedented territorial expansion, architectural marvels, and profound cultural influence.
The empire's roots lie in the city of Rome, founded, according to legend, by Romulus in 753 BCE. Over centuries, Rome evolved from a small settlement to a formidable republic, characterized by a complex political system with elected officials and checks on power. However, internal strife, class conflicts, and military ambitions paved the way for the end of the Republic. Julius Caesar’s dictatorship and subsequent assassination in 44 BCE created a power vacuum, leading to a civil war. Octavian, later Augustus, emerged victorious, heralding the Roman Empire’s birth.
Under Augustus, the empire experienced the Pax Romana, a 200-year period of relative peace and stability. Augustus reformed the military, established efficient administrative systems, and initiated grand construction projects. The empire's borders expanded, encompassing territories from Britain to Egypt and from Spain to the Euphrates. Roman legions, renowned for their discipline and engineering prowess, secured and maintained these vast territories, building roads, fortifications, and cities that facilitated control and integration.
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3. Writing this assignment appeared to be a great experience to us. It added a
lot to our knowledge. This assignment is one of our memorable experiences in
student life. Though words are inadequate in offering thanks to our teacher
Mr. Rafiqul Islam
4. Developing an accounting
information system is all about
acquiring a new information
system and then improving the
development process. So we can
state the AIS development
strategies in two phases as:-
(a) Obtaining a new information
system
(b) Improving the development
process
5. # Phase 1: Obtaining a new
information system
A new information system can
be obtained by:-
a. Purchasing prewritten
software; or
b. Developing software in-
house; or
c. Outsourcing.
6. (a) Purchasing prewritten software
Prewritten software means commercially available software
package. It includes:-
Canned software
Software which are sold to open market, has wide range of user
with similar requirements.
example: SAP, Quick Books, Great plains etc.
Turnkey systems
Some companies sell hardware and software together as a
package. These systems are called turnkey systems. Here the
“Vendor” install the entire system
example: Microsoft SQL
7. Continues………….
Application Service Providers(ASPs)
Web-based software delivered over the Internet. It means “Rent”
rather than buy the software. Can reduce costs, and allow
companies to focus on core competencies, not software.
example: Turbo Tax
System Development Life Cycle(SDLC)
SDLC is a conceptual model used in project management that
describes the stages involved in an information system development
project. Companies which usually buys software they can use SDLC
process. Which includes the following:- requirement analysis, design,
implementation, testing, evolution
8. SDLC process
• Analysis
• Design
• Implementation
• Testing
• Evolution
initial investigation, systems
survey, and feasibility study,
as well as determining AIS
requirements
9. SDLC process
• Analysis
• Design
• Implementation
• Testing
• Evolution
• An important aspect is
determining whether software
that meets AIS requirements is
already available.
10. SDLC process
• Analysis
• Design
• Implementation
• Testing
• Evolution
• convert systems, install
and test hardware and
software, select and
train personnel, and
document the new
system
11. SDLC process
• Analysis
• Design
• Implementation
• Testing
• Evolution
Testing is used to evaluate the
effectiveness of the system.
12. SDLC process
• Analysis
• Design
• Implementation
• Testing
• Evolution
to ensure that the system
continues to perform according
to specifications.
13. Selecting a ‘Vendor’
A vendor is the party in the supply
chain that makes goods and services
available to companies or consumers.
Mainly vendor selected to know:
# Is the software applicable to your
business?
# How long will it meet your needs?
# Will the vendor be around?
Finding a vendor: Look in phone book,
Obtain referrals, Scan computer or
trade magazines, Attend
conferences, Use search
organizations
14. Systems Acquisition Process
Will package
meet needs?
Develop
software
internally
Send RFP for
hardware,
if necessary
Evaluate
proposal
No
Yes
Investigate
software
packages
Can package
be modified?
Send RFP for
software and
hardware
No
Yes
Select best
combination
15. (b) Developing software in house
Developing custom software is
difficult, but some companies
prefer this approach particularly
if the company is large, has
unique needs, and believes their
systems provide a competitive
advantage. In house
development of software can be
done by:-
(1) software developed by IS
staff.
(2) software developed by End
users.
16. End user computing
End-user computing (EUC) is the hands-on
development, use, and control of
computer-based information systems by
users.
End User Development occurs when
information users, such as managers,
accountants, and internal auditors,
develop their own applications using
computer specialists as advisors.
systems
developer
end
user
17. Benefits & Risks of end user
computing
• Benefits of end-user
computing:
▫ User creation, control, and
implementation
▫ Systems that meet user
needs
▫ Timeliness
▫ Freeing up systems
resources
▫ Versatility and ease of use
• Risks of end-user
computing:
▫ Logic and development
errors
▫ Inadequately tested
applications
▫ Inefficient systems
▫ Poorly controlled and
documented systems
▫ System incompatibilities
▫ Duplication of systems and
data and wasted resources
▫ Increased costs
18. (c) Outsourcing
Outsourcing is hiring an outside
company to handle all or part of
an organization’s data processing
activities.
▫ In a client/server or a PC
outsourcing agreement the
organization outsources:
A particular service (e.g.,
help desk services);
A segment of its business
A particular function; or
PC support
19. Continues…
• In an organization, for
accounting information
system, the range of activities
in outsourcing includes:
▫ Installation
▫ Training
▫ Maintenance
▫ Help desk
▫ Technical support
20. Benefits & Risks of Outsourcing
• Benefits of
outsourcing:
▫ Provides a business solution
▫ Asset utilization
▫ Access to greater
experience and more
advanced technology
▫ Lower costs
▫ Improved development
time
▫ Elimination of peaks-and-
valleys usage
▫ Facilitation of downsizing
• Risks of outsourcing:
▫ Inflexibility
▫ Loss of control
▫ Reduced competitive
advantage
▫ Locked in system
▫ Unfulfilled goals
▫ Poor service
21. # Phase 2: Improving the
development process
The development process can
be improved through:-
a. Business process
reengineering; or
b. Prototyping; or
c. CASE.
22. (a) Business process re-engineering
Business Process Re-Engineering is
the fundamental rethinking and
Radical redesign of Business
Processes to achieve Dramatic
improvements in the critical
measures of Performance such as
Cost, Quality, Service, Efficiency
and Speed.
23. Business process re-engineering
principles
• Michael Hammer has set several principles that help
organizations successfully reengineer business processes:
- Organize around outcomes, not tasks.
- Require those who use the output to perform the process.
- Require those who produce information to process it.
- Centralize AND disperse data.
- Integrate parallel activities.
- Empower workers, use built-in controls, and flatten the
organization chart.
- Capture data once—at its source.
24. Challenges Faced by Reengineering
Efforts:
▫ Many BPR efforts fail or fall short of
their objectives. A company must
overcome the following obstacles:
Tradition
Resistance
Time and cost requirements
Lack of management support
Skepticism
Retraining
25. (b) Prototyping
• Prototyping is an approach to
systems development in which
simplified working model
of system developed
• Prototype (“first draft”)
quickly and inexpensively
built
• Provided to users for testing
and training
26. Why prototyping?
When anyone working with
new system ideas with their
users, they don’t want to go
through the cost of developing
a gigantic system which might
take years; they’ll build a
mock-up of it, which might
take weeks
27. When to use prototyping
▫ It is appropriate when:
Users don’t fully understand their needs,
or the needs change rapidly
System requirements are difficult to
define
System inputs and outputs are not known
The task to be performed is unstructured
or semi-structured
Designers are uncertain about what
technology to use
28. Continues…
The users’ reactions to the new system are important
development considerations
Many design strategies must be tested
The design staff has little experience developing this type of
system or application
The system will be used infrequently so that processing
efficiency is not crucial
The system is crucial and needed quickly
The risk of developing the wrong system is high
29. Advantages & Disadvantages of
prototyping
• Advantages of
Prototyping:
▫ Better definition of user
needs
▫ Higher user involvement
and satisfaction
▫ Faster development time
▫ Fewer errors
▫ More opportunity for
changes
▫ Less costly
• Disadvantages of
Prototyping:
▫ Significant user time
▫ Less efficient use of system
resources
▫ Incomplete system
development
▫ Inadequately tested and
documented systems
▫ Negative behavioral
reactions
30. (c) Computer Aided Software
Engineering (CASE)
Computer-aided software (or systems)
engineering (CASE) tools are an
integrated package of computer-based
tools that automate important aspects of
the software development process.
▫ Used to plan, analyze, design, program,
and maintain an information system.
▫ Also used to enhance efforts of
managers, users, and programmers in
understanding information needs.
31. (c) Computer Aided Software
Engineering (CASE)
• CASE tools do not replace skilled
designers, but provide developers with
effective support for all SDLC phases.
• CASE software typically includes tools for:
▫ Strategic planning
▫ Project and system management
▫ Database design
▫ Screen and report layout
▫ Automatic code generation
32. Advantages & Disadvantages of CASE
• Advantages of CASE
technology:
▫ Increased productivity
▫ Improved program quality
▫ Cost savings
▫ Improved control
procedures
▫ Simplified documentation
• Problems with CASE
technology:
▫ Incompatibility
▫ Cost
▫ Unmet expectations