A record management system a. can handle many files of information at a time b. can be used to extract information stored in a computer file c. always uses a list as its model d. both a and b Correct! Wrong! A command that lets you change one or more fields in a record is a. insert b. modify c. lookup d. none of above Correct! Wrong! A transparent DBMS a. can not hide sensitive information from users b. keeps its logical structure hidden from users c. keeps its physical structure hidden from users d. both b and c Correct! Wrong! A file produced by a spreadsheet a. is generally stored on disk in an ASCII text fromat b. can be used as is by the DBMS c. both a and b d. none of the above Correct! Wrong!