Why mobile network are called as cellular network?

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).

How do i delete my account on this because i didn't read this agreements and also i put age at xd

Which is a possible benefit of having a good credit history? having a checking account low interest rate on a car loan high interest rate on a credit card offer bankruptcy