What does the shell of an operating system do?

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).

He computer component that disperses heat from the microprocessor to the cooling fan is a cooler thermometer heat sink

Which note taking method is most useful to show how main ideas and details relate? checklists flash cards conceptual note taking sequential note taking