learning outcomes describe the XML data model & outline its basic features understand the advantages of the XML approach to data management W3C: the main international standards organisation for the World Wide Web XML = “SGML for the Web” SGML (Standard Generalized Markup Language): an ISO-standard technology for defining […]
Chapter 10: Storage and File Structure ■ Overview of Physical Storage Media ■ Magnetic Disks ■ RAID ■ Tertiary Storage ■ Storage Access ■ File Organization ■ Organization of Records in Files ■ Data-Dictionary Storage Database System Concepts – 6th Edition Modified by T. Suel for CS6083 at NYU Tandon, Spring 2020 10.1 ©Silberschatz, Korth
Chapter 10: Storage and File Structure ■ Overview of Physical Storage Media ■ Magnetic Disks ■ RAID ■ Tertiary Storage ■ Storage Access ■ File Organization ■ Organization of Records in Files ■ Data-Dictionary Storage Database System Concepts – 6th Edition Modified by T. Suel for CS6083 at NYU Tandon, Spring 2020 10.1 ©Silberschatz, Korth
CS6083: Principles of Databases Systems Section A (Prof. Suel) ■ Mondays from 3:20pm to 5:50pm in 2 MTC, room 9.011. ■ Instructor: Torsten Suel torsten.suel@nyu.edu ■ Course page: on NYU Courses ■ Office hours: Mondays 2-3pm in room 856 (370 Jay) ■ Also, graders will have their own office hours, as needed ■ Graders: TBD
CS6083: Principles of Databases Systems Section A (Prof. Suel) ■ Mondays from 3:20pm to 5:50pm in 2 MTC, room 9.011. ■ Instructor: Torsten Suel torsten.suel@nyu.edu ■ Course page: on NYU Courses ■ Office hours: Mondays 2-3pm in room 856 (370 Jay) ■ Also, graders will have their own office hours, as needed ■ Graders: TBD
Student Number: Family Name: Given Names: Signature: THE UNIVERSITY OF NEW SOUTH WALES Final Examination Sample COMP3231/COMP9201/COMP3891/COMP9283 Operating Systems • Time allowed: 2 hours • Reading time: 10 minutes • Total number of questions: 5; Total number of pages: 7 • Answer all questions. The questions are not of equal value • Total marks available
Case study: ext2 FS 1 The ext2 file system • Second Extended Filesystem – The main Linux FS before ext3 – Evolved from Minix filesystem (via “Extended Filesystem”) • Features – Block size (1024, 2048, and 4096) configured at FS creation – inode-based FS – Performance optimisations to improve locality (from BSD FFS) • Main
程序代写代做 case study file system kernel C Case study: ext2 FS Read More »
UNIX File Management (continued) 1 OS storage stack (recap) Application FD table OF table VFS FS Buffer cache Disk scheduler Device driver 2 Virtual File System (VFS) Application FD table OF table VFS FS Buffer cache Disk scheduler Device driver 3 Older Systems only had a single file system •They had file system specific open,
程序代写代做 data structure cache file system chain kernel UNIX File Management (continued) Read More »
Welcome to OS @ UNSW COMP3231/9201/3891/9283 (Extended) Operating Systems Dr. Kevin Elphinstone System Software Structure Compiled C Code System Libraries System Calls Operating System Hardware Python Code Python Libraries Python Compiler and Interpreter System Libraries System Calls Operating System Hardware Major OS Topics Processes and Threads Memory and Virtual Memory Management Concurrency and Deadlock Operating
11/05/2020 SampleAnswers2 – COMP3231/COMP9201/COMP3891/COMP9283 Sample Answers for New Sample Exam Q1 1. False, the role of the operating system is to abstract away low level details 2. True (If the processor features a privileged mode, then the operation system will use it.) 3. False, the kernel has a separate stack 4. False, the operating system