Answer:
c
Explanation:
The biggest advantage of smartphones and tablets is that they increased the mobility. This allowed users to access the social media platforms whenever they want. The users can login to their accounts even they are travelling by bus or walking around. This was not possible back in the days where people mostly use desktop computers.
A computer is a electronic that helps you access the internet/WiFi
Answer:
C. Bell and LaPadula
Explanation:
The first mathematical models of multilevel security computer system was developed by Bell and Lapadula. Their full names are David Elliot Bell and Leonard J. Lapadula. Their model used to define the concept of modes of access,secure state machine and outlined the rules of access.