Making Inferences and Drawing Conclusions Question

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All computers have important, non-encrypted, sensitive data on them such as passwords, documents, credit card information, emails, and Web site visit logs. Data on your computer resides in several different hidden places on your hard drive. Deleting a file doesn't really remove it. Emptying your computer's "recycle bin", deleting your Internet browser's cache, deleting your emails and documents, reformatting your hard drive, or even repartitioning your hard drive are all inadequate to erase the data on your computer. Furthermore, many software licensing agreements require that particular programs be removed from a computer before it leaves the original purchaser's ownership. Businesses and other institutions are often required by law to carry out data security actions before computers, their hard disk drives, floppy disks, and other forms of removable media are sent outside of the organization.

Deleting something from your computer or e-mail is similar to removing a card from the library's card catalog but not removing the book from the shelf - information is still in the library if you look for it. In the case of a computer hard drive, the file's location information is removed from the drive's index, but not from its place on the drive, so the file can easily be recovered by someone using sophisticated data recovery software.

(source: http://nepis.epa.gov/Exe/ZyPDF.cgi?Dockey=P1000715.PDF)

Grade 10 Making Inferences and Drawing Conclusions CCSS: CCRA.R.8, RI.9-10.8, RST.9-10.8

Why does the author of this passage refer to the concept of removing a card from a library's card catalog?

To illustrate the complexity of deleting computer data
To contrast the amount of data on computers to that in books
To demonstrate why libraries are falling behind online information
To indicate how often people fail to effectively delete their private data

Question Info

Making Inferences and Drawing Conclusions Question

Grade 10 Making Inferences and Drawing Conclusions CCSS: CCRA.R.8, RI.9-10.8, RST.9-10.8