Aflaw in the protection system of many operating systems is argument passing. often a common shared stack is used by all nested routines for arguments as well as for the remainder of the context of each calling process. (a) explain what vulnerabilities this flaw presents. (b) explain how the flaw can be controlled. the shared stack is still to be used for passing arguments and storing context.

In the spring of 1989, thousands of protesters gathered in tiananmen square in beijing, china. they rallied around a plaster statue that resembled the statue of liberty which they called “the goddess of democracy.” these protestors were seeking a) united states assistance in gaining better health care. b) economic reforms which would allow more chinese exports. c) the boycott of the future olympic games scheduled for beijing. d) political reforms to allow more freedom of speech and political representation.