D Question 4 5 pts How should one protect wery short critical sections in a proamative kernel running on amulticore system ystem usine alunit operation O using mutex locks O disabling intemupts during critical sections DI Question 5 5 pts In an altemate universe Bil Gates decides to make MS-COS 1.0 a areemptive kernel in order to suppurt multitasking. How should he protect critical sectians on the single-care IBM PC from the early 1990? eorly 1980s disable inteerupls cluring critical sectians D use Puserionseorithm buwy waiting D Question 6 5 pts Consider a co outer system that runs 3 processes Process 1 high priority. Pocess 2 low priority. Process 3lo Scmaphore S-1,0-1; What sequece of execution brings Process 1 in a prioity inversion situation priority. Two semaphores re initialized as follows Pl:wails