Operating Systems Flashcards
6 cards from real IKM practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Operating Systems flashcards as text
Which scheduling algorithm gives each process an equal time slice in circular order?
Answer: Round Robin
Round Robin assigns a fixed time quantum to each process in circular order.
What is the primary purpose of virtual memory?
Answer: Allow programs to use more memory than physically available
Virtual memory uses disk space as an extension of RAM, enabling programs to address more memory than physically installed.
Which file system is the default for modern Linux distributions?
Answer: ext4
ext4 is the default file system for most modern Linux distributions, offering journaling and large file support.
What is a deadlock in operating systems?
Answer: Two or more processes waiting for resources held by each other
A deadlock occurs when processes are permanently blocked, each waiting for a resource held by another.
Which system call creates a new process in Unix/Linux?
Answer: fork()
fork() creates a child process that is a copy of the parent process.
What is the purpose of a semaphore?
Answer: Synchronize access to shared resources between processes
A semaphore controls access to shared resources using wait and signal operations.