a) As the developer of a variant of the Linux operating system, explain why you would prevent Mozilla Firefox, an application program running on top of your OS from accessing the physical memory addresses? (10 marks) AP b) Based on your explanation in a

a) As the developer of a variant of the Linux operating system, explain why you would prevent Mozilla Firefox, an application program running on top of your OS from accessing the physical memory addresses? (10 marks) AP

b) Based on your explanation in a.), describe a method you will use to implement masking of the physical addresses from Mozilla Firefox in your OS. (5 marks) AP

c) Your operating system accommodates a user running several programs at the same time (multitasking). This ability, if not regulated, can cause VLC Media 

d) As part of a vehicular traffic safety campaign, you have been asked to develop an intelligent traffic control system. For security reasons, a dedicated PC will be used to run the traffic control software. Describe the memory management scheme you would employ for this dedicated PC and defend your choice.