Mgt 240 LectureMgt 240 Lecture

Introduction Introduction andand

Computing at ND: Computing at ND: File Storage and HardwareFile Storage and Hardware

August 26, 2004August 26, 2004

Today in ClassToday in Class

Introduction to lectureIntroduction to lecture File storage and backupFile storage and backup Computing hardwareComputing hardware

Mgt 240 Lecture Mgt 240 Lecture IntroductionIntroduction

Lecture syllabusLecture syllabus ObjectivesObjectives SlidesSlides

Posted in several locationsPosted in several locations CalendarCalendar TextText

Reading questionsReading questions

Mgt 240 Lecture Mgt 240 Lecture IntroductionIntroduction

HomeworksHomeworks IndividualIndividual Posted in several locationsPosted in several locations Turned in to your folder in the dropbox folderTurned in to your folder in the dropbox folder Due on Fridays at 5pmDue on Fridays at 5pm

ExamsExams Cover lecture, homeworks, and readingsCover lecture, homeworks, and readings

Classroom expectationsClassroom expectations Seating chartSeating chart Noise levelsNoise levels

Mgt 240 GradingMgt 240 Grading

No way to get an A in the class No way to get an A in the class without doing well in the lecture!without doing well in the lecture!

Hypothetical scenarios:Hypothetical scenarios: 500/750= 67% or D500/750= 67% or D 500+160+40= 93% or A500+160+40= 93% or A 480+160+40= 91% or A-480+160+40= 91% or A-

Questions?Questions?

Computing at ND: Computing at ND: File StorageFile Storage

Storage Media Used in Mgt 240 Storage Media Used in Mgt 240 Excel JumpStartExcel JumpStart

CD-ROM diskCD-ROM disk JumpStart filesJumpStart files

Institutional File Space (IFS): Backup Institutional File Space (IFS): Backup up JumpStart filesup JumpStart files

Storage Media Used in Mgt 240 Storage Media Used in Mgt 240 Excel JumpStartExcel JumpStart

Your computer’s hard diskYour computer’s hard disk Used while working on JumpStart files Used while working on JumpStart files

that have been copied to your computer’s that have been copied to your computer’s desktopdesktop

Why were you instructed not to work on Why were you instructed not to work on the file directly on the CD?the file directly on the CD?

This is also where the Excel application This is also where the Excel application files are locatedfiles are located

This is also where your operating system This is also where your operating system is permanently storedis permanently stored

Storage Media Used in Mgt 240 Storage Media Used in Mgt 240 Excel JumpStartExcel JumpStart

3.5” floppy disk3.5” floppy disk Completed JumpStart filesCompleted JumpStart files

Number of BytesNumber of Bytes

Storage Media Characteristics Storage Media Characteristics and Capacitiesand Capacities

CD-ROMCD-ROM Compact discCompact disc Small, round, medium made of molded Small, round, medium made of molded

polymerpolymer Read-only-memoryRead-only-memory Disc capacity of 650 MBDisc capacity of 650 MB Single speed transfer rate of 150 KbpsSingle speed transfer rate of 150 Kbps

Storage Media Characteristics Storage Media Characteristics and Capacitiesand Capacities

Hard DiskHard Disk Inside your computerInside your computer Stores and provides relatively quick access Stores and provides relatively quick access

to large amounts of datato large amounts of data Electromagnetically charged surface/sElectromagnetically charged surface/s PC’s now come with several million bytes PC’s now come with several million bytes

(GB’s) of storage capacity(GB’s) of storage capacity Rotation speeds vary from 4500 to 7200 rpmRotation speeds vary from 4500 to 7200 rpm Disc access is measured in millisecondsDisc access is measured in milliseconds

Hard DiskHard Disk

Thin steel platters

Coated with iron oxide

Represent bits by small magnetized areas

Storage Media Characteristics Storage Media Characteristics and Capacitiesand Capacities

Floppy DiskFloppy Disk Random accessRandom access RemovableRemovable Magnetic medium housed in a rigid Magnetic medium housed in a rigid

plastic cartridgeplastic cartridge Can store up to 1.44 MBCan store up to 1.44 MB Floppy disk drives often pre-installed on Floppy disk drives often pre-installed on

personal computerspersonal computers

Storage Media Characteristics Storage Media Characteristics and Capacitiesand Capacities

Other types of portable drives you Other types of portable drives you could take with you to labcould take with you to lab CD-RWCD-RW Flash memoryFlash memory

Office of Information Office of Information TechnologyTechnology

Home pageHome page

Institutional File SpaceInstitutional File Space

NetFile (N: drive)NetFile (N: drive) Primarily supports Windows and Mac Primarily supports Windows and Mac

communitycommunity AFS (H: and I: drives)AFS (H: and I: drives)

Primarily supports the Unix communityPrimarily supports the Unix community Why doesn’t OIT want you to work Why doesn’t OIT want you to work

directly off your h: or n: drives?directly off your h: or n: drives?

Institutional File SpaceInstitutional File Space

Every student, faculty, and staff member Every student, faculty, and staff member gets their own personal IFS spacegets their own personal IFS space StudentsStudents

500 MB NetFile500 MB NetFile 50-200 MB AFS50-200 MB AFS

Can request more space if needed by filling out Can request more space if needed by filling out a quota increase forma quota increase form

Can access files from multiple locationsCan access files from multiple locations Can easily share files with othersCan easily share files with others

Accessing Institutional File Accessing Institutional File SpaceSpace

Mapping a drive to someone else’s AFS Mapping a drive to someone else’s AFS spacespace Example: Mapping Prof. Ballou’s Public AFS Example: Mapping Prof. Ballou’s Public AFS

folderfolder Mapping a drive to your Mapping a drive to your NetFileNetFile space space Mapping a drive to someone else’s Mapping a drive to someone else’s NetFileNetFile

space space FtpFtp TelnetTelnet

Accessing Institutional File Accessing Institutional File SpaceSpace

WebFileWebFile ViewsViews

Create a view of the Mgt240 Lecture folder Create a view of the Mgt240 Lecture folder on the i: driveon the i: drive

Advanced interfaceAdvanced interface

Backups of IFSBackups of IFS

Files automatically backed-up nightly for Files automatically backed-up nightly for both NetFile and AFSboth NetFile and AFS

NetFileNetFile Backups for past 8 nights are availableBackups for past 8 nights are available Can access through webfileCan access through webfile

AFSAFS Backup for past night is availableBackup for past night is available Can access through webfile: Yesterday folderCan access through webfile: Yesterday folder

Security of IFSSecurity of IFS

NetID and passwordNetID and password Do not share your passwordDo not share your password Change your password monthlyChange your password monthly Don’t send your personal information in unencrypted Don’t send your personal information in unencrypted

emailsemails Lock out your Windows 2000/XP workstation any time Lock out your Windows 2000/XP workstation any time

you walk away from ityou walk away from it Press CTRL, ALT, DELETEPress CTRL, ALT, DELETE Click Lock ComputerClick Lock Computer

Access rightsAccess rights Can change access rights to folders from within WebfileCan change access rights to folders from within Webfile

Computing at ND: Computing at ND: HardwareHardware

Hardware Used in Mgt 240 Hardware Used in Mgt 240 Excel JumpStartExcel JumpStart

Your personal computerYour personal computer Work through exercisesWork through exercises

Notre Dame cluster computersNotre Dame cluster computers Work through exercisesWork through exercises

OIT Recommended Windows OIT Recommended Windows PC FeaturesPC Features

Pentium 4Pentium 4, 2.8 , 2.8 GHzGHz ProcessorProcessor for for DesktopsDesktops (or equivalent)(or equivalent)

Pentium M 1.5 GHz feature Pentium M 1.5 GHz feature CentrinoCentrino Mobile Technology Mobile Technology for for LaptopsLaptops (or (or equivalent) equivalent)

256 MB 256 MB RAMRAM (or more) (or more) 30 GB (or more) 30 GB (or more) Hard DriveHard Drive Space Total Space Total Free Space on Hard Drive: 1 GB (or more) Free Space on Hard Drive: 1 GB (or more) Other hardware: Other hardware: CD/DVDCD/DVD, , 10/10010/100 NICNIC, ,

802.11b Wireless802.11b Wireless for laptops for laptops

OIT Recommended Mac OIT Recommended Mac FeaturesFeatures

G4/G5 Processor G4/G5 Processor 256 MB RAM (or more) 256 MB RAM (or more) 30 GB (or more) Hard Drive Space 30 GB (or more) Hard Drive Space

Total Total 1 GB (or more) Hard Drive Space Total 1 GB (or more) Hard Drive Space Total Other hardware: CD/DVD, 10/100 NIC, Other hardware: CD/DVD, 10/100 NIC,

802.11b Wireless for laptops802.11b Wireless for laptops

Simple Computer Component Simple Computer Component DefinitionsDefinitions

ProcessorProcessor Executes instructionsExecutes instructions

RAM RAM Holds instructions for software that is currently open and Holds instructions for software that is currently open and

running on your computerrunning on your computer Hard DriveHard Drive

Stores operating system, applications, files that you Stores operating system, applications, files that you want to save permanently on your computerwant to save permanently on your computer

NIC (Network Interface Card)NIC (Network Interface Card) Used to connect to a local area networkUsed to connect to a local area network

802.11b Wireless802.11b Wireless Standard for wireless local area network Standard for wireless local area network

communicationscommunications

Getting to Know Your Getting to Know Your ComputerComputer

Through the operating systemThrough the operating system Open up the control panel on your computerOpen up the control panel on your computer Double click on the system iconDouble click on the system icon General tab contains information aboutGeneral tab contains information about

Operating systemOperating system Amount of RAMAmount of RAM

Hardware tab contains information about all hardware devices installed Hardware tab contains information about all hardware devices installed on your computeron your computer

Click on the Device Manager button to gather information aboutClick on the Device Manager button to gather information about DrivesDrives MonitorMonitor Network adaptor (NIC)Network adaptor (NIC) PortsPorts ProcessorProcessor StorageStorage

Click + sign to the right of any of these for a list of devices under each Click + sign to the right of any of these for a list of devices under each categorycategory

Right click a specific piece of hardware for more information about itRight click a specific piece of hardware for more information about it

Getting to Know Your Getting to Know Your ComputerComputer

Through visual inspectionThrough visual inspection Look at your disk drives and portsLook at your disk drives and ports

Through the documentation that Through the documentation that came with your computercame with your computer

Unsupported Hardware on ND Unsupported Hardware on ND CampusCampus

Game Systems (e.g., XBox, Sony Game Systems (e.g., XBox, Sony PlayStation, etc.)PlayStation, etc.)

Wireless Routers & Network Wireless Routers & Network Routers/HubsRouters/Hubs

Summary of Computers on Summary of Computers on CampusCampus

Computer Platform ReportComputer Platform Report

Cluster HardwareCluster Hardware

ND Cluster Hardware ListND Cluster Hardware List

Other Hardware on the ND Other Hardware on the ND CampusCampus

Network equipmentNetwork equipment RoutersRouters SwitchesSwitches

ServersServers ApplicationApplication File (H:, I:, N: drives)File (H:, I:, N: drives)

HomeworkHomework

Due next Friday, September 3Due next Friday, September 3rdrd, at 5pm, at 5pm Turn in to your netid folder in dropbox Turn in to your netid folder in dropbox

folder in lecture folder on i: drivefolder in lecture folder on i: drive Designed to familiarize you with your Designed to familiarize you with your

computer’s featurescomputer’s features Using alt-prt scrn to capture the active Using alt-prt scrn to capture the active

windowwindow

Assigned ReadingAssigned Reading

Read and use the hardware section of chapter 2 (pp. 46-67) in text Read and use the hardware section of chapter 2 (pp. 46-67) in text as a reference for your hands-on homeworkas a reference for your hands-on homework

Use http://whatis.techtarget.com/ as another reference for your Use http://whatis.techtarget.com/ as another reference for your hands-on homeworkhands-on homework

Following are questions that you should be sure you can answer Following are questions that you should be sure you can answer based on your understanding of the textbased on your understanding of the text

Why is processor speed important?Why is processor speed important? What kind of measures can be used to gauge processor speed?What kind of measures can be used to gauge processor speed? What are RAM and ROM? What are their roles?What are RAM and ROM? What are their roles? Why does the amount of RAM in your computer make a difference?Why does the amount of RAM in your computer make a difference? What are specific circumstances in which you would be most likely to What are specific circumstances in which you would be most likely to

use each of the following?: a floppy disk, cd-rom, dvd, zip disk, storage use each of the following?: a floppy disk, cd-rom, dvd, zip disk, storage area network?area network?

What are the differences between crt and lcd monitors?What are the differences between crt and lcd monitors? What are the main differences between personal computers, laptop What are the main differences between personal computers, laptop

computers, handheld computers, midrange computers, mainframe computers, handheld computers, midrange computers, mainframe computers, and supercomputers?computers, and supercomputers?