Answer these questions with concision and precision: a.Why integration within an
ID: 3800045 • Letter: A
Question
Answer these questions with concision and precision:
a.Why integration within an enterprise information system (EIS) is needed? What makes,from EIS integration, a challenge?
b.Compare, at least, three different attempts of having an integrated enterprise system? - you have to specify how each one works and the level of integration obtained.
Question Two
Let’s consider an enterprise called BrotherBikes. BrotherBikes manufactures bicycles and resells t-shirts.
BrotherBikes sells bikes and t-shirts to a network of customers (specialized, dealers throughout the world, individual customers). It procures raw materials for bikes from avariety of suppliers, acquires ready-made t-shirts from a set of sewing labs and it has a network of investors and creditors that allows it to support its finance.
Propose a value system level model for BrotherBikes. You may either draw a value system level model similar to Exhibit 2-2 (see text book), or you may prepare a matrix as follows:
External Business Partner
Resources Flowing From External Business Partner
Resources Flowing to External Business Partner
Question Three
Assuming that the various activities that need to be performed in the manufacturing process are considered labor operations, draw a value chain level diagram that thoroughly depicts the duality relationships between paired events that lays behind the flow of resources in the value chain.
Question four
BrotherBikesis relatively small but growing at a fast rate. The varied options offered either for bikes or T-shirts is attracting an increasing number of customers either big dealers or individuals.Question Four
Customers may either visit BrotherBikes ’s websiteor showroom in order to view the latest offers of bikes and t-shirts.
When a customer decides to make a purchase or a customer submits a purchase inquiry through the website, a salesperson initiates a series of procedures to properly document the sale order and sale transaction. First, the salesperson determines the model of the selected bikesort-shirts. Then, salespersonoffers the customer a list of options. The customer may (1) purchase itemsoff the showroom with no added features, (2) purchase itemsoff the showroomwith additional features, or (3) special order itemsthat are not currently in the showroom.
Ifcustomerspay cash, a simple sales contract is prepared and the customer picks up thepurchased items. When customers use an installment method of purchase. Before an installment purchase is authorized, the customer's credit must be verified to determine credit worthiness.
With an installment purchase, an installment agreement is prepared in addition to the sales contract. The accounts receivable clerkhas arranged financing through a local bank for all installment sales. When an installment sale is made, the bank sends BrotherBikes’s accounts receivable clerka lump-sum payment equal to the price of the purchased items. Instead of making payment to the accounts receivable clerk, customers pay the bank plus interest. Once the credit is approved, the customer can take delivery of the purchased items.
Required:
a. What business process is described?
b. What resource flows (in and out) exist in this business process?
c. For each resource inflow, identify the economic event that uses it up, and for each resource outflow, identify the economic event that produces it.
d. Create an REA business process level model for this business process; make sure to include cardinalities (for relationships)
Explanation / Answer
Solution:
EIS are the large complex software systems; these tools are underlying many of the university core administrative, academic support process. Examples as include the systems associated with research, student administration, finance and others.
Why EIS is needed?
Why EIS is challenging?
Challenging it means deploy and support these systems in ways that optimally balance operational efficiency with informational effectiveness.
Comparison of 3 types:
1. Decision support system:
Functions of a DSS
DSS manipulate and build upon the information from a MIS and/or TPS to generate insights and new information.
Inputs
Processing
Outputs
Internal Transactions
Internal Files
Modelling
Simulation
Analysis
Summary reports
Forecasts
Functions of a DSS in terms of data processing requirements
Some examples of DSS
· Logistics systems
· Financial Planning systems
The role of DSS
· DSS have analytical capacity
· Used by find out the more senior managerial levels
2. Management Information System (MIS)
Functions of a MIS
MIS are built on the data provided by the TPS
Inputs
Processing
Outputs
Internal Transactions
Internal Files
Sorting
Merging
Summary reports
Action reports
Functions of a MIS in terms of data processing requirements
Some examples of MIS
· Sales management systems
· Inventory control systems
· Budgeting systems
The role of MIS (Management Information Systems)
· Based on internal information flows
· Support relatively structured decisions those who are involved to use .
· Inflexible and have little analytical capacity
· Used by lower and middle managerial levels
3. Transactional Processing System(TPS)
Functions of a TPS
TPS are finally little more than simple data processing systems.
Inputs
Processing
Outputs
Transactions
Events
Validation
Sorting
Listing
Merging
Calculation
Lists
Detail reports
Summary reports?
Functions of a TPS in terms of data processing requirements
Some examples of TPS
· Payroll systems
· Reservation systems
· Systems for payments and funds transfers
The role of TPS
· Produce information for other systems
· Cross boundaries (internal and external)
Inputs
Processing
Outputs
Internal Transactions
Internal Files
Modelling
Simulation
Analysis
Summary reports
Forecasts
Functions of a DSS in terms of data processing requirements
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