The transactions are entered in batches by keyboard and stored in transaction files. These batches consist of thirty or so records which are given a batch control ID. The batches are then run through a validation process and to make sure the batches balance a computed total is compared with a manually produced total. This helps to ensure that all data is entered without error or omission. The actual updating of master files only takes place after verification and validation are complete. This means batch processing is often run overnight, unattended. A new master file is produced as a result of a batch processing run. The original master file is kept along with a previous version.
After processing the output is produced, and is usually printed media such as payslips or invoices, although this is changing with the advent of the web.
There is really no such thing as real-time. The best you will get is a few milliseconds from input to response. However such fast systems are used in critical systems that control aircraft or the manufacture of sensitive or dangerous compounds.
Online processing means users directly enter information online (usually, online, in this case, means online to a central processor, rather than its modern connotation of the internet, but it could mean both!), it is validated and updated directly onto the master file. No new file is created in this case. Therefore, there is near immediate input process, and output. Imagine a cash dispenser transaction or booking a holiday at a travel agents or over the Internet. Compared with batch processing the number of transactions will be few.
Online comes in many different flavours such as centralised, distributed, time-share etc and the choice of architecture will depend on cost, speed needed, number of users, number of transactions and time needed for a response.
what are the different between online and offline Data Processing
The different is that real-time processing occurs immediately an a function is set to action. Online processing involves putting functions in a queue and can take time to process.
Different between online and offline processing
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disadvantages of on line processing?
relevance of on-line analytical processing Relevance of online analytical processing to a manager?
There are a number of data processing techniques that can be used. The most common ones are batch processing, online processing, real-time processing and distributed processing.
There are different methods of data processing. Some methods are manual data processing, mechanical data processing, online processing, batch processing and electrical data processing.
1) Batch processing 2) Distributed processing 3) Transaction processing 4) Real - Time processing 5) Online processing 6) Time sharing Processing
online processing is done when--------------is not possible in data handling.
Database software and word processing software are different because word processing software allows you to store information on a computer using Excel and Word. Database software allows you to create a web database that allows individuals to see information online.