Disk Storage and File Systems Quiz

Which part of mass storage is responsible for organizing and controlling how data is stored on the disk?

• CPU

• Disk Scheduler

• File System

• Cache

What is the primary purpose of disk scheduling in an operating system?

• To allocate memory to processes

• To decide the order in which disk I/O requests are serviced

• To perform file compression

• To execute system calls

Which disk scheduling algorithm is most efficient for minimizing the total seek time?

• First-Come, First-Served (FCFS)

• Shortest Seek Time First (SSTF)

• Priority Scheduling

• Round Robin

In which type of disk attachment do the disk drives communicate directly with the CPU over a shared system bus?

• Network-attached storage (NAS)

• Storage area network (SAN)

• Direct-attached storage (DAS)

• Remote-attached storage (RAS)

What is the primary function of the file-system interface?

• To facilitate communication between the CPU and memory

• To provide methods for users to store and access files

• To control peripheral devices

• To manage user authentication

Which access method is most commonly used for sequentially accessing a file's data from beginning to end?

• Indexed access

• Direct access

• Sequential access

• Random access

What is a directory structure in a file system primarily used for?

• To keep track of all files and their locations

• To speed up disk performance

• To compress files

• To schedule disk requests

Which file-system allocation method divides a file into blocks that are stored in various locations on the disk?

• Contiguous allocation

• Linked allocation

• Indexed allocation

• Clustered allocation

In file-system implementation, what is the purpose of a 'directory implementation'?

• To assign memory to applications

• To define methods for accessing and storing file metadata

• To protect files from unauthorized access

• To handle input/output operations