A recursive function includes which are not necessary in a loop structure. object instances conditional clauses overhead actions function calls

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).

If you want to delete an entire word at a time, which key should you press along with the backspace or delete key?

Which of the following characters is acceptable to use in a filename? ? / – %