Question

4. A file system in Unix is using a dray sucture mut s aj A tree bj A list of flie names and abunes c) A single-ievel directony d) Two-level directory ej A circular ist 5. We call a resource a crtical resource t a) The use df the resource is crtically important so a pragram b) t can be used onily by one program ac a time c) t is a sharable resounce d) r may fal during operation 6. Which of the folowing synchranication methots does NOT introduce busy waiting bj The aigprithm that uses vrable c The algorthm that uses TUR and Plag arable

Answer 1

Question4:

Answer: option A (Tree)

Explanation: Unix file system is composed of files and directories.Directories are special files that contain files and all these are organized into a tree like structure.\

Question5:

Answer: option B (It can be used only by one program at any time)

Explanation: critical resource are used by only one program at any point of time.

Question6:

Answer: Option D (semaphores)

Explanation: semaphores prevent the busy waiting during synchronization process.