Take all my points I'm done with

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).

Which text format is this, "the text is transcribed exactly as it sounds and includes all the utterances of the speakers. "?

List a few alternative options and input and output over the standerd keyboard and monitor. explain their functioning in details.