What are the elements of accounting transactions considered as in an information system?

Data items

The correct answer is option 3- Data items.

Various elements (items) of accounting transactions are essentially the data items, which are processed through an accounting software to generate different sets of information in the form of accounting reports such as journals, ledger, etc. A data-item (data element) is the smallest named unit of data in the information system. In accounting, a transaction consists of four data elements, such as name of account, accounting code, date of transaction and amount.