IS FINAL Flashcards
(347 cards)
What is a transaction? + 3 examples
any business event that generates data worthy of being captured and stored in a data- base. Examples of transactions are a product manufactured, a service sold, a person hired, and a payroll cheque generated. In another example, when you are checking out of Walmart, each time the cashier swipes an item across the bar code reader is one transaction.
What does a transaction processing system (TPS) do?
supports the monitoring, collection, storage, and processing of data from the organization’s basic business transactions, each of which generates data.
In the modern business world, TPSs are ________ for the ___________ ____ information systems and ________ __________systems, as well as business operations such as customer relationship management, knowledge management, and e-commerce
Inputs, functional area, business intelligence
How do transaction processing systems manage data?
- Business event/transaction
- TPS
2a. Detailed reports - Organization’s database, where FAIS, DSS, BI, Dashboards, and ES occur
When more than one person or application program can access the database at the same time, the database has to be protected from errors resulting from overlapping updates. The most common error is…
Losing the results of one of the updates
TPS handle the complexities if transactional data by…
•Protect database from errors resulting from overlapping updates
•Protection against inconsistencies arising from a failure of any component at any time. Does this ATM communicate with other connected devices in the bank?)
•System must be able to reverse or make corrections or adjustments to transactions
•All transactions plus corrections, reversals or adjustments need to have an audit trail
What are the 2 ways to process data in TPS?
Batch processing and online processing
What is batch processing?
The firm collects data from transactions as they occur, placing them in groups orbatches. The system then prepares and processes the batches periodically (say, every night).
What is online transaction processing?
business transactions are processed online as soon as they occur. For example, when you pay for an item at a store, the system records the sale by reducing the inventory on hand by one unit, increasing sales figures for the item by one unit, and increasing the store’s cash position by the amount you paid. The system performs these tasks in real time by means of online technologies.
What is a functional area information systems?
Functional Area Information Systems (FAIS) provide support for the various functional areas in an organization by increasing each area’s internal efficiency and effectiveness.
Where do fais get data?
Corporate databases
Thw 2 Problems of inventory management are
Excessive inventory
Insufficient inventory
Economic solution for inventory management is
Economic order quantity
Technological solution for managing inventory
VMI (vendor managed),
Its real time and AI powered
Inventory systems that use an EOQ approach are designed for items that are _________ _____
Completely independent
Why does HR need IS and how can they solve those problems?
- electronic transfer of money to employees’ account
- payroll prep
Can use FAIS to automate this routine
Why can fais be ineffective?
Lack of communication between departments
What does an ERP do?
An ERP corrects a lack of communication among the functional area ISs. ERP systems resolve this problem by tightly integrating the functional area IS via a common database.
What are the two main objectives of the ERP systems
Tightly integrate the functional areas of the organization and to enable information to flow seamlessly across them
What are ERP II systems?
Interorganizational systems that are Capable of providing web-enabled links between a company’s key business systems and its customers, suppliers,distributors, and others.
What are the 3 core ERP Modules
Accounting and finance, Manufacturing and production, human resources
What are the four extended Erp II modules
Supply chain management, business intelligence, E business, customers relationship management
What are the major benefits of ERP systems
Organizational flexibility and agility
Decision support
Quality and efficiency
What are the major limitations of ERP systems
- Business process and ERP often pre-defined by the best practises that the ERP vendor has developed
- Complex, expensive, time consuming