2 points Compared with a manual system, data processing assets and records in a database management system tend to be: O More concentrated at a single location More concentrated at different locations but less valuable O Dispersed across many more locations O Concentrate to about the same extent Which of the following activities is 2 points undertaken during data preparation? Recording data on source documents so it can be entered within the system O Correcting errors identified during the input validation phase o Converting data that has been captured into machine-readable form Identifying and recording economic events O that are relevant to the ongoing operations of an organization 2 points Which of the following refers to the situation where different versions of the same data are stored at different places because they were not updated consistently?* O Data dictionary O Data redundancy O Data query Data integrity 2 points The main concept of relational databases was published in 1970 by: Watson O Hoffer. Mills O E.F.Codd. 2 points All of the following are primary purposes of a database management system (DBMS) except: providing an integrated development environment O storing data. O updating data. creating data. 2 points Which of the following is not an objective that drove the development and evolution of database technology? * O The desire to manage increasing complex data types and structures. The desire to require programmers to write all file handling functionality. The need to provide ever more powerful O platforms for decision support applications The need to provide greater independence between programs and data