0 votes 0 votes is This correct answer given ?? How option 3 can be correct ?? Operating System test-series + – SHUBHAM SHASTRI asked Sep 16, 2018 SHUBHAM SHASTRI 457 views answer comment Share Follow See all 8 Comments See all 8 8 Comments reply arvin commented Sep 16, 2018 reply Follow Share yes c is true.. as they have said that it should be executing in same order means they should follow the same sequence for order of execution.. . for case 3 let us consider only 3 process(x,1,3) to make it simple.. . so if x=2 than ct sequence : 2,3,6 = avg ct = 11/3=3.66 . but if it sequence was : 1,2,3 : ct sequence have been : 1,3,6 avg ct = 10/3 = 3.33 0 votes 0 votes Shaik Masthan commented Sep 16, 2018 reply Follow Share i hope they want to ask " Which is Minimize average completion time " and the order is _ 1 _ 3,6,8,10 ===> x can have 2 positions ( due to in the question given that x ≤ 2 ) but in the answer they consider x ≤ 1 1 votes 1 votes SHUBHAM SHASTRI commented Sep 16, 2018 reply Follow Share yes i think they had put question wrong ...but as per question A should be correct na ...say x=100. so avergae complition time will be high in such case ..correct me if i am wrong 0 votes 0 votes Shaik Masthan commented Sep 16, 2018 reply Follow Share it's a simple average question. (yes it is option A) 0 votes 0 votes arvin commented Sep 16, 2018 reply Follow Share but they have asked for the order for the given sequence... and c should be the answer because it should have been 1,2,3....... but its execution sequence will be 2,1,3....... so its wrong.... yes they have said abt sjf but they have also said in that particular order... which means it should be acting as fcfs... why A?? 0 votes 0 votes Shaik Masthan commented Sep 16, 2018 reply Follow Share the order represents, which process completes first according to sjf 0 votes 0 votes arvin commented Sep 16, 2018 reply Follow Share but this is what they meant here than.. they must have kept x between 1 and 3... not before 1.. 0 votes 0 votes Shaik Masthan commented Sep 16, 2018 reply Follow Share x ≤ 2 ===> x may be before 1 0 votes 0 votes Please log in or register to add a comment.