Why are there so many problems with drivers?

a. many variations in hardware, slightly differing implementations, conflicts.

b. programmers do not care about quality.

c. driver code should be the same for all hardware.

d. drivers must be always included with the operating system, never forced into the os.

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).

Why would a programmer use the logical operator and in an if statement? a: when an action is to be taken that requires both conditions to be falseb: when an action is to be taken that requires both conditions to be truec: when an action is to be taken that requires the first condition to be falsed: when an action is to be taken that requires the second condition to be truei took the test and the answer is b.

The managing director of a company sends a christmas greeting to all his employees through the company email. which type of network does he use? he uses an .