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E0001 Computers in Engineering Secondary storage
Readings zShelly Chapter 6 zShelly Chapter 5 zShelly Chapter 6 zMeyer Chapter 2B zMeyer Chapter 2B
zFloppy disks zHard disks zOptical discs zMagnetic Tape Types of Secondary Storage
Tracks and Sectors
Floppy Disk Capacity z3 1/2 inch ydouble sided; double density - 720kB ydouble sided ; high density MB z5 1/4 inch ydouble sided; double density - 360kB ydouble sided ; high density - 1.2kB
Storage terms zkilobyte - KB bytes zmegabyte - MB bytes zgigabyte - GB bytes zterrabyte - TB bytes
Care of disks
How a disk drive works z360 revolutions per minute zread-write heads zaccess arm zseek and search operation zaccess time
How data is stored
Hard disks zinternal disks zhard disk cartridges zhard disk packs
Performance Enhancements zdisk caching zdata compression and decompression zRAIDS - redundant arrays of inexpensive disks (RAIDs)
Optical discs z650 MB of data zlaser beam zthree kinds yCD-ROM yCD-R yerasable optical discs
Magnetic Tape zStreamers ycartridge unit ydigital audiotape (DAT) zReels
CHAPTER 6 66 Secondary Storage. 6 © The McGraw-Hill Companies, Inc Objectives 1.Floppy and hard disks 2.Cartridges and disk packs 3.Performance.
88 CHAPTER SECONDARY STORAGE. 2 Storage Primary storage Volatile Temporary Secondary storage Nonvolatile Permanent Secondary storage characteristics Media.
Computer Studies Today Chapter 18 1 »Two main types of secondary storage devices: –Magnetic storage devices –Optical storage devices.
88 CHAPTER SECONDARY STORAGE. © 2005 The McGraw-Hill Companies, Inc. All Rights Reserved. 8-2 Competencies Distinguish between primary & secondary storage.
Computing ESSENTIALS CHAPTER Copyright 2003 The McGraw-Hill Companies, Inc.Copyright 2003 The McGraw-Hill Companies, Inc Secondary Storage computing.
1 Introduction to Computers Day 4. 2 Storage device A functional unit into which data can be –placed –retained(stored) –retrieved(accessed)
SECONDARY STORAGE. -2 Competencies Distinguish between primary & secondary storage Discuss the different types of storage media Describe the traditional.
McGraw-Hill Technology Education © 2006 by the McGraw-Hill Companies, Inc. All rights reserved. 88 CHAPTER SECONDARY STORAGE.
Secondary Storage Chapter 8. CE06_PP08-2 Competencies (Page 1 of 2) Distinguish between primary & secondary storage Describe the traditional floppy disk.
McGraw-Hill/Irwin Copyright © 2008 by The McGraw-Hill Companies, Inc. All rights reserved. Chapter 7 Secondary Storage.
STORAGE MEDIA & STORAGE DEVICES BASIC TERMS: Recording or saving data future use. Store/Save device that holds the data or information. Storage Media.
C OMPUTING E SSENTIALS Presentations by: Fred Bounds Timothy J. O’Leary Linda I. O’Leary.
Functions of hard disk - Hard disk is used to store the large size of application programs or files. - It provide larger storage capacities and much faster.
McGraw-Hill/Irwin Copyright © 2008 by The McGraw-Hill Companies, Inc. All rights reserved. Chapter 8 Secondary Storage.
1 Chapter 6 Storage and Multimedia: The Facts and More.
Raymond Washington Secondary Storage Chapter 8. Traditional Floppy Disk The Traditional Floppy Disk is the 1.44 MB 3 1/2 - inch disk. They came out about.
CHAPTER 6 66 Secondary Storage. 6 Objectives Describe todays standard floppy disk and compare it to Zip, SuperDisks, and HiFD disks. Describe the following.
Secondary Storage Chapter 7. Introduction Data storage has expanded from text and numeric files to include digital music files, photographic files, video.
Chapter 8 Secondary Storage McGraw-Hill/Irwin Copyright © 2008 by The McGraw-Hill Companies, Inc. All rights reserved.
COM113 Introduction to Computing Storage. Storage Objectives Differentiate between storage devices and storage media Describe the characteristics of magnetic.
Secondary Storage Input Output Processing Internal Memory.
Introduction to Computers Section 5A. home Storage Involves Two Processes Writing data Reading data.
Storage Devices. Storage Storage refers collectively to all the various media on which a computer system can store software and data. Storage is also.
Professor Michael J. Losacco CIS 1150 – Introduction to Computer Information Systems Secondary Storage Chapter 7.
GRAP 3175 Computer Applications for Drafting Unit II Computer Hardware.
5 - Rev. by Luciano Gualà (2008)1 William Stallings Computer Organization and Architecture Chapter 6 External Memory.
GCSE Information Technology Storage Devices and Media Objectives Understand the difference between internal memory & backing storage Be able to identify.
Secondary Storage Chapter 8 Copyright © 2011 by The McGraw-Hill Companies, Inc. All rights reserved. 8-1.
Secondary Storage Chapter Distinguish between primary and secondary storage Compare internal and external hard disks Describe ways to improve hard-disk.
Hard Disks Low-level format- organizes both sides of each platter into tracks and sectors to define where items will be stored on the disk. Partitioning:
Allow computers to store programs and information for use at a later date Storage Devices.
Secondary Storage Rohit Khokher. Limitations of Primary Storage Limited Capacity: It cannot be used to store the large volumes of data items. Volatility:
4-1 Copyright Prentice-Hall, Inc Disks & Tape Backup Units CHAPTER4.
1 Disks Introduction ***-. 2 Disks: summary / overview / abstract The following gives an introduction to external memory for computers, focusing mainly.
Secondary Storage © 2013 The McGraw-Hill Companies, Inc. All rights reserved.Computing Essentials 2013.
McGraw-Hill/Irwin Copyright © 2007 by The McGraw-Hill Companies, Inc. All rights reserved. Chapter 8 Secondary Storage.
Secondary Storage Chapter 8 McGraw-HillCopyright © 2011 by The McGraw-Hill Companies, Inc. All rights reserved.
Copyright © 2015 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education.
College of Computer and Information Science Chapter 8 Secondary Storage.
Secondary storage (or external memory) - is not directly accessible by the CPU. Secondary storage does not loose the data when the device is powered.
1 Chapter 3 Understanding Computers, 11 th Edition Storage Medium The physical material on which a computer keeps data, instructions and information. Can.
Introduction to Storage Devices. Storage Devices Used to keep data when the power to the computer is turned off. Medium/media Location where data is stored.
Peripheral devices Storage devices. Storage Devices zAlso called secondary storage zstore data & programs permanently for future use zcan be used as both.
CP1610: Introduction to Computer Components Archival Storage Devices.
Data Storage. 3 types of storage to remember ROM RAM Secondary or backing storage.
Chapter 111 Chapter 11: Hardware (Slides by Hector Garcia-Molina,
SECONDARY STORAGE DEVICES. Agenda of Today’s Lecture Introduction to Hardware Types of hardware devices Storage Devices Secondary Storage devices.
Storage Devices Powered by DeSiaMore1. Contents Storage Primary Secondary Access Method Floppy disk Hard disk Optical disks Magnetic media Powered by.
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