Что (кто) такое Entry Sequenced Data Set - определение
Relative byte address
Entry Sequenced Data Set
An entry-sequenced data set (ESDS) is a type of data set used by IBM's VSAM computer data storage system. Records are accessed based on their sequential order, that is, the order in which they were written to the file; which means that accessing a particular record involves searching all the records sequentially until it is located, or by using a relative physical address (Relative byte address, RBA), i.
Data entry clerk
![[[Keypunch]] operators at Volkswagen in 1973](https://commons.wikimedia.org/wiki/Special:FilePath/Bundesarchiv B 145 Bild-F038799-0034, Wolfsburg, VW Autowerk.jpg?width=200 "[[Keypunch]] operators at Volkswagen in 1973")
PROFESSION
Data entry operator; Data entry clerks; Data Entry Operators; Data entry clerkship; Data entry clerkships; Data Entry Clerks; Data encoder
A data entry clerk, also known as data preparation and control operator, data registration and control operator, and data preparation and registration operator, is a member of staff employed to enter or update data into a computer system. Data is often entered into a computer from paper documents using a keyboard.
Википедия
Entry Sequenced Data Set
An entry-sequenced data set (ESDS) is a type of data set used by IBM's VSAM computer data storage system.: 5 Records are accessed based on their sequential order, that is, the order in which they were written to the file; which means that accessing a particular record involves searching all the records sequentially until it is located, or by using a relative physical address (Relative byte address, RBA), i.e. the number of bytes from the beginning of the file to start reading.: 28
Keys may be used to access records in an ESDS by defining an alternate index.: 15
