In 1-2 sentences, describe how you would insert a row in a spreadsheet

Aletter or menu command that starts an action when the user presses the designated letter and the alt key together is called what?

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).

Consider the simple 3-station assembly line illustrated below, where the 2 machines at station 1 are parallel, i.e., the product only needs to go through one of the 2 machines before proceeding to station 2.what is the throughput time of this process?