Download - Transaction processing systems
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TRANSACTION PROCESSING
SYSTEMS
PRESENTED BY,
MELVIN T MATHEW
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What is a TPS? An 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’s account processing systems
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Transaction Processing Systems A transaction is an elementary activity
conducted during business operations (e.g. merchandise sale).
Earliest Information Systems in organizations. Support the monitoring, collection, storage,
processing, and dissemination of the organization’s basic business transactions.
Provides backbone for many other applications involving other support systems.
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Data InputData Input Data ProcessingData Processing Output GenerationOutput Generation
Data Storage Data Storage
A Transaction Processing System model
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Transaction Processing Systems Large amounts of data are processed.
The sources of data are mostly internal, and the output is intended mainly for an internal audience.
The TPS processes information on a regular basis: daily, weekly, monthly, etc.
Large storage (database) capacity is required.
High processing speed is needed due to the high volume.
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The Major Characteristics of TPS
TPS basically monitors and collects past data.
Input and output data are structured (i.e., standardized).
A high level of accuracy, data integrity, and security is needed.
High reliability is required.
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Batch Processing
On-line Processing
Types of tps
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TransactionData
DataProcessing
Trans.File
NewMasterFileOld
MasterFile
Documents/Reports
Batch Processing
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Online TPS (OLTP)
Transactions are processed in real time Required for any “modern” application where
time is critical Well supported by client/server computing
model
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On-line Processing
On-lineDataProcessing
Documents/Reports
TransactionData
Inquiries/Reponses
TransactionData
TransactionData
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TPS Applications
Order Processing
Purchasing
Accounts Receivables & Accounts Payables
Receiving & Shipping
Inventory on Hand
Payroll
General Ledgers
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Business Transactions in a Factory Payroll: employee time cards, employee pay and
deductions, payroll checks. Purchasing: purchase orders, deliveries,
payments (accounts payable) Sales: sales records, invoices and billing,
accounts receivable, sales returns, shipping Manufacturing: production reports, quality-
control reports Finance and Accounting: financial statements,
tax records, expense accounts Inventory management: materials usage,
inventory levels
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Transaction Processing in an HRIS
Keep inventory of personnelpayroll preparationcompute salaries and incentive
plans
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Accounting Activities TPS
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