IT-503-11 operating system and team management

QUESTION 1: What is buffering in I/O Management and Disk Scheduling? Why do we need buffering while dealing with I/O transfers?

QUESTION 2: What are the parameters we use to assess the performance of the memory disk?

QUESTION 3: Redundant Array of Independent Disks:  What is the difference between Raid level 1 and Raid level 3.?

You should consider three parameters while addressing the questions

a) Category, b) Number of disks required, and c) Data availability

QUESTION 4: What are the File Management System Objectives? 

Question 5: Describe project quality management (PQM) for IT projects in terms of planning for quality, quality assurance, and quality control to continuously improve the projectàproducts and supporting processes. Please provide specific examples.