Operating Systems Test 3

What is the key advantage of a time-sharing operating system?

What are the two fundamental modes of operation in modern operating systems?

How does the PCB help during context switching?

Which of the following is a key advantage of multithreading in operating systems?

How does preemptive SJF (also known as Shortest Remaining Time First, SRTF) differ from non-preemptive SJF?

In deadlock avoidance, what does a safe state mean?

In FIFO page replacement, how is a page selected for replacement?

What is the main advantage of indexed file allocation?

What are semaphores used for in operating systems?

Which of the following correctly matches malware with its primary characteristic?

What defines a Real-Time Operating System (RTOS)?

Which of the following best describes kernel mode?

What is context switching in process management?

What is the major limitation of user-level threads?

How does priority scheduling determine which process executes next?

How does a system typically perform deadlock detection?

What happens when a page fault occurs?

Which of the following directory structures allows the same file to appear in multiple directories without duplication of data?

Which of the following correctly describes the two types of semaphores?

Which method is most effective for preventing zero-day malware attacks?