151. What is a system call?
A) A mechanism that allows user-level processes to request services from the Operating System
B) A type of synchronization tool used in Operating Systems
C) A type of virus that attacks the kernel of an Operating System
152. What is a file system mount point?
A) The location in the file system where a storage device is attached and made available to the Operating System
B) A type of synchronization tool used in Operating Systems
C) A type of device driver
153. What is a root directory?
A) The top-level directory in a file system hierarchy
B) A type of synchronization tool used in Operating Systems
C) A type of device driver
154. What is a file system inode?
A) A data structure used by the file system to store information about a file or directory
B) A type of synchronization tool used in Operating Systems
C) A type of device driver
155. What is a hard link?
A) A type of link that associates a file name with a file system inode
B) A type of synchronization tool used in Operating Systems
C) A type of device driver
156. What is a symbolic link?
A) A type of link that associates a file name with another file name
B) A type of synchronization tool used in Operating Systems
C) A type of device driver
157. What is a system image?
A) A snapshot of the state of a computer’s hard drive that can be used to restore the system to a previous state
B) A type of synchronization tool used in Operating Systems
C) A type of device driver
158. What is a device controller?
A) A hardware component that manages a specific type of device
B) A type of synchronization tool used in Operating Systems
C) A type of memory used by the Operating System
159. What is a boot loader?
A) A program that loads the Operating System into memory when the computer is turned on
B) A type of synchronization tool used in Operating Systems
C) A type of device driver
160. What is a kernel panic?
A) An error condition in which the kernel of an Operating System detects a fatal error
B) A type of synchronization tool used in Operating Systems
C) A type of device driver
