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Explain working of the logical file system
The logical file system manages metadata information. Metadata contains all of the file-system structure, excluding actual data. It handles file structure by file control blocks
What are the advantages of Contiguous allocation? The advantages are a. Supports direct access b. Supports sequential access c. Number of disk seeks is minimal.
Define seek time and latency time. The time taken by the head to move to the appropriate cylinder or track is known as seek time. Once the head is at right track, it must wait
What are the operations that can be performed on a directory? The operations that can be performed on a directory are Search for a file Create a file Delete a
The different paging techniques are 1. Multilevel paging or hierarchical paging method: In definite cases the page table may consist up to 1 million entries. This would be
prepare electricity bill without using file
Explain the Fork-join This is primitives in a higher level programming language for implementing interacting processes. The syntax is like this: fork ; join ; where
Question 1 Explain with diagram all possible states a process visits during the course of its execution Question 2 Discuss Inter-process Communication. What is critical-secti
What are the different thread levels? There are two broad type of thread implementation: User-Level Threads -- Thread Libraries. Kernel-level Threads -- System Calls.
reason for terminating a process
with aid of diagram describe 2 types of fixed partition allocation used in operating system
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