Learn in the textbookThe Information Systems Strategy Framework and the Classification of Information Systems
DefinitionSoR (System of Record) is a view of systems that keeps an organization's official records, such as transactions and customer data, free of errors and puts reliability and stable operation first.
ExplanationCore systems that handle official records, such as sales management, inventory management, and payroll, fall into this group. Because a data error or an outage affects the whole business, changes are made on a schedule after thorough testing.
AnalogyIt is like the entries in a bank passbook. They look plain, but what matters most is keeping every record correct down to the last cent.
Memory hookRecord as in keeping the books: the system that does the bookkeeping.