Briefly explain the main classes of IS under the following headings
Transaction processing systems
A transaction processing system collects and stores information about transactions and controls some aspects of transactions
What are the primary characteristics of TPS
- It is often tied to other sytems
- serves the most elementary day to day operations of an organisation
- used at the operational level of the business
- often critical to survival of the organisation
- Need to be fault tolerant
- Predefined and structured tasks
- Supplies data for high level of management
- High volumes of inputs and outputs
What are the components of information systems infrastructure:
- Hardware
- Software
- Data
- People
- Networks / transmission channels
- Procedures
What are the application areas of Transaction processing systems:
Please use these functional application areas and explain in detail
- Payroll system
- Billing system
- Ordering system
- Customer ledgers
- Point of sale system
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