Charles and irene are editors at a content development firm. both of them, unknowingly, are working on the same copy of the annual report. irene finishes editing the report and saves her copy; charles saves his report an hour after irene. charles's report overwrites irene's, and her changes are lost. this scenario is an example of the
update query problem
ost-update proble
mcrow's-foot paradigm
bullwhip effect

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Creating "smart interfaces" in all sectors of industry, government, and the public arena is one of the fastest growing hct areas. these interfaces model, interpret, and analyze such human characteristics as speech, gesture, and vision. the field of biometrics, in which humans authenticate themselves to machines, is an area of considerable interest to hct practitioners. fingerprint scans are one of the most frequently used biometric options, and this article, biometric student identification: practical solutions for accountability & security in schools, makes a case for the implementation of fingerprint scans in schools. critique the article, and answer the following questions: according to the author, what are the main benefits of adopting fingerprint scans in schools for student identification? according to the author, what are the main drawbacks of adopting fingerprint scans in schools for student identification? do you agree with the author's assessment of the pl