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Transaction Processing System Structure

publish date: 2026/06/10 22:54:1.567041 UTC

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The general structure of a Transaction Processing application follows four stages in sequence. Arrange these components in the correct order from user input to database.

Database
Application Logic
Transaction Manager
I/O Processing

Correct Answer

(1) I/O Processing
(2) Application Logic
(3) Transaction Manager
(4) Database

Explanation

The TP system structure flows: I/O Processing (receives the user request through an I/O component) → Application Logic (processes the request using application-specific logic) → Transaction Manager (creates and manages the transaction, usually embedded in the database management system) → Database (stores and updates the persistent data). After the Transaction Manager confirms completion, it signals the application that processing is finished.

I/O Processing Application Logic Transaction Manager Database

Reference

Software Engineering, Ian Sommerville, 10th edition

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