Drag the tiles to the correct boxes to complete the pairs. Match each feature of e-publishing as an advantage, a disadvantage, a threat, or an opportunity.
increased collaboration
digitalized out-of-print versions
monopoly over digital formats
requirement for a specialized digital device
advantage of e-publishing
disadvantage of e-publishing
opportunity for e-publishing
threat to e-publishing
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Which action describes an aspect of technological design?

3. bob is arguing that if you use output feedback (ofb) mode twice in a row to encrypt a long message, m, using the same key each time, it will be more secure. explain why bob is wrong, no matter what encryption algorithm he is using for block encryption (15 points).

Assume that there is a 4% rate of disk drive failure in a year. a. if all your computer data is stored on a hard disk drive with a copy stored on a second hard disk drive, what is the probability that during a year, you can avoid catastrophe with at least one working drive? b. if copies of all your computer data are stored on three independent hard disk drives, what is the probability that during a year, you can avoid catastrophe with at least one working drive?