https://peertube.dngr.us/videos/watch/caf83aac-637e-4d3f-abd4-a82bdbf7671e Join this channel to get access to perks: https://www.youtube.com/channel/UCddem5RlB3bQe99wyY49g0g/join Join us on Patreon. Visit https://www.patreon.com/PeriscopeFilm Visit our website www.PeriscopeFilm.com This internal use IBM film from the series "IBM Confidential" is entitled "System/360 File Organization." Here, IBM Data Storage Planning Group lead Pearson Wood uses a magic marker version of Powerpoint to discuss file organization for IBM's System/360 computer system. He begins by defining what a "file" is, and introduces key concepts including sequential and random data processing. The presentation explores different data file organizations, including sequentially and randomly organized files, and corresponding processing methods, such as sequential, skip-sequential, and random processing. Wood highlights the advantages of IBM's data storage equipment, particularly its ability to handle various types of data organization and processing, from batch to real-time teleprocessing. He explains the importance of indexing for efficient data management, device independence, and how the System/360 allows automatic record formatting, simplifying programming. The presentation emphasizes the flexibility and scalability of IBM's storage solutions. 00:00: Pearson Wood from the Data Storage Planning Group in Poughkeepsie, New York states that this presentation is part of a series aimed at demonstrating the advantages of IBM's System/360, focusing on file organization. 0:32: Wood defines the term "file" and clarifies that the focus of the presentation is on the content aspect of a file. 1:01: Discussion of data processing and file organization. Explains the relationship between data and processing types: sequential data, random data, sequential processing, and random processing. 2:25: Examples of sequentially organized data files. He discusses sequential processing against a sequential file (e.g., payroll processing). Then, he covers skip sequential processing (batch processing), where data is skipped through the file. 4:19: Random processing is introduced, where records are accessed in a non-sequential order, enabling more flexible processing, such as real-time transactions using teleprocessing equipment. 5:01: Explanation of randomly organized data files and how both sequential and random processing can be applied. Ability to perform inquiries and handle transactions dynamically, particularly with teleprocessing. 7:03: The presenter explains that most data file organization is sequential, reflecting how humans and systems generally operate in a sequential manner. He talks about batch processing with magnetic tape and the advantages of direct access storage devices. 8:05: More discussion on sequentially organized data files with direct access storage devices, highlighting the ability to perform both sequential and random processing, as well as handle batch data more efficiently. 9:10: Introduction to indexing, explaining its importance in data storage and processing. An index allows for efficient organization, referencing, and accessing of records in a data file, similar to a book’s index. 10:39: Explanation of a simple index structure used with direct access storage devices, illustrating how an index can lead to the correct record by dividing it into tracks. 11:01: Overview of IBM's programming support, emphasizing the ability to use the same program across different data storage devices, such as 2311, 2302, and 2321. Ability to adapt to new devices with minimal program changes. 14:02: A historical overview of IBM's experience with storage devices, showing how the cost per million characters has dropped over time, culminating in the 2321 data cell in 1964. 16:08: Unique advantages of IBM's System/360, such as automatic record formatting, the ability to handle keyed and non-keyed records, and the convenience of teleprocessing and symbolic assignment of storage. 18:01:Highlighting the versatility of IBM's data storage equipment, which can handle large and small records, offering comprehensive programming support. He encourages effective selling based on understanding the customer’s data needs. 19:04: End Motion picture films don't last forever; many have already been lost or destroyed. For almost two decades, we've worked to collect, scan and preserve the world as it was captured on 35mm, 16mm and 8mm movies -- including home movies, industrial films, and other non-fiction. If you have endangered films you'd like to have scanned, or wish to donate celluloid to Periscope Film so that we can share them with the world, we'd love to hear from you. Contact us via the weblink below. This film is part of the Periscope Film LLC archive, one of the largest historic military, transportation, and aviation stock footage collections in the USA. Entirely film backed, this material is available for licensing in 24p HD, 2k and 4k. 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