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T0542 / Disk Hardware 1. Magnetic disk • Cylindes, tracks • IDE (Integrated Drive Electronics) • Overlapped seek • Logical block addressing DISKS Physical geometry vs possible virtual geometry
T0542 / RAID Redundant Array of Inexpensive Disks 3. CD-ROMS Struktur penyimpanan dari CD atau CD-RO
T0542 / Logical data layout pada CD-ROM Format Disk Suatu sektor pada disk
T0542 / Interleaving •No interleaving •Single interleaving •Double interleaving
T0542 / Disk Arm Scheduling Algorithms (1) •Tiga faktor yang menentukan waktu baca atau tulis pada disk block : • Seek time • Rotational delay • Actual transfer time •Seek time yang paling dominan
T0542 / Elevator Algoritma Penjadwalan Lengan Disk 1.First Come First Serve (FCFS) 2. Shortest Seek First (SSF)
1 Input/Output Chapter Principles of I/O hardware 5.2 Principles of I/O software 5.3 I/O software layers 5.4 Disks 5.5 Clocks Terminals.
1 Chapter 11 I/O Management and Disk Scheduling Patricia Roy Manatee Community College, Venice, FL ©2008, Prentice Hall Operating Systems: Internals and.
Advanced Operating Systems Prof. Muhammad Saeed I/O Systems Input/Output.
Chapter 6 I/O Systems. 2 Chapter Objectives When finish this chapter, you will understand the following: How operating systems manage I/O? What is role.
I/O Management and Disk Scheduling Chapter 11. Categories of I/O Devices Human readable Used to communicate with the user Printers Video display terminals.
RAID Redundant Array of Independent Disks Redundant Array of Inexpensive Disks 6 levels in common use Not a hierarchy Set of physical disks viewed as single.
I/O Management and Disk Scheduling Chapter 11. Categories of I/O Devices Human readable –Used to communicate with the user –Printers –Video display terminals.
1 Lecture 22: I/O, Disk Systems Todays topics: I/O overview Disk basics RAID Reminder: Assignment 8 due Tue 11/21.
Cristian Hill. 6.1 Mocking Mr. Rohol is fun Introduction The CPU performs most of the calculations on the PC The CPU is a single chip on the motherboard.
Chapter 6 External Memory. Types of External Memory Magnetic Disk –RAID (Redundant Array of Independent Disks) –Removable Optical –CD-ROM –CD-Recordable.
Storage and Disks. 11.2Database System Concepts Now Something Different 1st part of the course: Application Oriented 2nd part of the course: Systems Oriented.
Chapter 8: Secondary-Storage Structure Silberschatz, Galvin and Gagne ©2005 Operating System Concepts Overview of Mass Storage Structure Magnetic.
1 Copyright © 2013 Elsevier Inc. All rights reserved. Chapter 107.
Database System Concepts, 6 th Ed. ©Silberschatz, Korth and Sudarshan See for conditions on re-usewww.db-book.com Chapter 10: Storage and.
1 Copyright © 2013 Elsevier Inc. All rights reserved. Chapter 101.
1 CMPT 300 Introduction to Operating Systems IO Sample Questions.
1 Copyright © 2013 Elsevier Inc. All rights reserved. Chapter 116.
I/O Systems & Mass-Storage Systems. I/O Hardware Incredible variety of I/O devices Common concepts Port Bus (daisy chain or shared direct access) Controller.
EE898 Lec /22/04 EE Architecture of Digital Systems Lecture 3: I/O Introduction and A Little Queueing Theory Prof. Seok-Bum Ko.
1 Copyright © 2013 Elsevier Inc. All rights reserved. Chapter 75.
1 Copyright © 2013 Elsevier Inc. All rights reserved. Chapter 40.
DAT2343 File Storage and Access © Alan T. Pinck / Algonquin College; 2003.
1 Copyright © 2013 Elsevier Inc. All rights reserved. Chapter 58.
1 Copyright © 2013 Elsevier Inc. All rights reserved. Chapter 28.
1 Copyright © 2013 Elsevier Inc. All rights reserved. Chapter 29.
1 Copyright © 2013 Elsevier Inc. All rights reserved. Chapter 44.
1 Compact Discs **** Optical Discs 2 Media based on optical discs (Part 1) WORM (not following the CD standards) CD-DA(digital audio) CD-ROM for PC,
ASSIGNMENT NO # 01 INTRODUCTION TO OPERATING SYSTEM Submitted to: Miss Sana.
Networking and Communication: Bus, switch, and network structures and protocols, I/O, Synchronization Ray Tsai, Shui wing Yim CS490 (Fall 2003) 10/20/03.
1 Operating Systems Chapter 6. 2 What is an operating system? A program that runs on the hardware and supports Resource Abstraction Resource Sharing Abstracts.
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