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Define TPS & DSS, provide some examples of these systems in business
Define TPS & DSS, provide some examples of these systems in business
Transaction Processing Systems (TPS) is the
basic business system that serves the operational level in an organisation. The
most common TPS example is a payroll system. The accountant (or account
department) would simply enter the hours worked and the program would generate
the weekly pay in relation to the individual pay rate, allowances, withholdings
and a payroll summary is then generated, deducting this monetary amount from
the organisations cash flow. Another example would be within a retail environment
where the TPS determines stock orders. The system would analyse the amount of
inventory on hand within a store (minus sales and transfers, plus returns and
new deliveries) before reordering. Decision
Support Systems (DSS) models information to support decision makers during
their decision making process and therefore assist in the overall planning of
business within an organisation. These systems compile raw data to assist
management in making business decisions.
The expanded DSS
framework includes; Communications driven DSS, data driven DSS, document driven
DSS, knowledge driven DSS and model driven DSS.
Examples
include:
·
Communications
driven – chat
·
Data
driven: invoicing, inventory, and KPI management in retail environments
·
Document
driven – template materials to increase workflow and improve consistency across
materials in an advertising agency
·
Knowledge
driven – Credit analysis in a banking environment
·
Model
driven – Applicant eligibility scoring in a insurance environment
Describe the
three quantitative models typically used by decision support systems
·
Sensitive analysis: How alterations to one
area of the model may or may not impact other areas of the model. This analysis
studies the change resulting from an altered variable
·
What-if analysis: The study of the impact of
a change to understand the effects of a situation
·
Goal-seeking analysis: Defines the inputs
required to achieve a desired outcome
Describe a
business process and it's importance to an organisation
Streamlined operations increase customer
satisfaction and organisational workflow.
By understanding processes, a business is
better able to understand (and therefore serve!) it’s customers. The business processes are standardised activities
that complete a certain task, such as processing an order or fulfilling a
customer request. For an example, a digital agency may receive a website brief
from a client. This is then communicated the agency designers and developers, who
then create concepts which, once approved, become the clients website. The
process is then completed once the invoice has been paid and the job details
archived. Examining business processes allows organisations to identify areas
of improvement and implement more time saving procedures that ultimately impact
organisational profits.
Compare
business process improvement and business process re-engineering using an
example
Business Process Improvement (BPI) analyses
current processes and makes improvements accordingly.
Business Process Re-Engineering (BPRE),
assumes that the current process is inefficient and therefore requires
replacing (rather than improving in the way that BPI does). A seemingly
irrelevant example would be the method by which a graphic design business
transfers documents. While a BPI solution would be to send emails, decreasing
organisational costs and allowing designers to continue working a BPRE would be
to create a technological driven drop box system by which the client and agency
are able to share and transfer files.
Describe the
importance of business process modelling (or mapping) and business process
models
The importance in being able to visualise an
organisation’s operation in the future can often identify opportunities for
business growth or enable organisations to avoid problems. This activity maps
the work processes and is important when an organisation is attempting to
streamline work processes. A business process model displays the sequence of
activities either as the business currently operates (As-Is process model) or
as it will operate (To-Be Process Model). These processes identify
opportunities for improvement in relation to BPI or ensure all aspects of the
business have been considered when implementing BPRE.

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