HW2_ Operating System Structures and Design_ Fall 2023 CS 433 01 42229.pdf

HW2: Operating System Structures and Design Due Sep 8 at 11:59pm Points 12 Questions 6 Available until Sep 11 at 11:59pm Time Limit None Allowed Attempts 3 This quiz was locked Sep 11 at 11:59pm. Attempt History Attempt Time Score KEPT Attempt 3 less than 1 minute 12 out of 12 LATEST...

HW2: Operating System Structures and Design Due Sep 8 at 11:59pm Points 12 Questions 6 Available until Sep 11 at 11:59pm Time Limit None Allowed Attempts 3 This quiz was locked Sep 11 at 11:59pm. Attempt History Attempt Time Score KEPT Attempt 3 less than 1 minute 12 out of 12 LATEST Attempt 3 less than 1 minute 12 out of 12 Attempt 2 less than 1 minute 10 out of 12 Attempt 1 17 minutes 10 out of 12 Score for this attempt: 12 out of 12 Submitted Sep 7 at 10:28am This attempt took less than 1 minute. Question 1 2 / 2 pts Which of the following machine instructions should be run in kernel mode? A. Set value of the timer B. Write to memory C. Modify a register D. Turn off interrupts E. Issue a trap instruction F. Access I/O device All of them Correct! A, D and F A and B A only C and E Question 2 2 / 2 pts What statement concerning privileged instructions is considered false? Correct! They cannot be attempted from user mode. They are used to manage interrupts. They can only be executed in kernel mode. They may cause harm to the system. Question 3 A _____ is an example of a systems program. Correct! command interpreter database system Web browser programming IDE 2 / 2 pts Question 4 2 / 2 pts The two separate modes of operating in a system are kernel mode and privileged mode supervisor mode and system mode physical mode and logical mode Correct! user mode and kernel mode 1.5.1 Question 5 2 / 2 pts Which of the following is not a type of command interpreter? Korn shell Correct! KDE or GNOME C shell Bourne shell 2.2.1 Difficulty: Easy Question 6 2 / 2 pts Which of the following is not an operating system service? protection and security I/O operation Correct! graphical user interface program execution 2.2 Difficulty: Easy Quiz Score: 12 out of 12