In demand paging, pages are loaded into memory:
Upon each access by the program
When the operating system requests it
Only when a page fault occurs
As soon as the program starts running
Which of the following is a characteristic of Type 1 hypervisors?
They are more efficient than Type 2 hypervisors
They can only support one virtual machine at a time
They run on top of a host operating system
They require significant hardware resources
Which file allocation method uses a single indexed structure to keep track of all file blocks?
Linked Allocation
Contiguous Allocation
Indexed Allocation
Acyclic-Graph Allocation
Which algorithm is known for minimizing the average waiting time for a set of processes?
Multilevel Feedback Queue Scheduling
Shortest Job Next (SJN)
Round Robin (RR)
First-Come, First-Served (FCFS)
In Multilevel Feedback Queue Scheduling, what criteria determines how a process is moved between queues?
Based on the execution time slice utilized by the process.
The remaining burst time of the process.
The priority level of the process.
Arrival time of the process.
What is the main drawback of the FIFO page replacement algorithm?
It requires additional hardware support
It can lead to Belady's anomaly
It uses too much memory
It is less efficient than LRU
Which level of memory hierarchy is usually the fastest and smallest in terms of capacity?
Secondary storage
Main memory
Registers
Cache
What happens to a process when it calls the exit system call?
It moves to the Ready state
It waits for other processes to finish
It is terminated and cannot be resumed
It enters the Blocked state
Which of the following represents the modified SCAN algorithm that only services requests in one direction from the current head position?
C-SCAN
FCFS
LOOK
SCAN
Which of the following virtualization strategies allows multiple operating systems to run concurrently on a single hardware platform?
Application Virtualization
Network Virtualization
Full Virtualization
Resource Virtualization