2. Transaction processing unit
Transaction processing unit are an important example of
operations support system that record and process data
resulting from business transaction
Information system designed to process routine
business transactions
seeks time- and cost-efficiency by automating
repetitive operations in large volumes
centers around accounting and finance transactions
e.g.; Airline reservation systems, order entry/processing
systems, bank’saccount processing systems
3. Types Transaction Processing system
1. Batch Processing
Transactions data are accumulated over a period of time and
processed periodically.
When batches are processed, what happens?
a) Update databases
b) Generate reports
c) Generate transactions for other systems
4. Types Transaction Processing system
2. Real-time( or online)
Processing transaction, data are processed immediately after
a transaction occurs
For example point-of-sale(POS) systems at many retail stores
use electronic cash register terminaks to electronically
captures and transmit sales data over telecommunication
links to regional computer centers for immediate (real
time)or batch processing