Mgt 240 Lecture Introductionand Computing at ND: File Storage and Hardware August 26, 2004

Today in Class Introduction to lecture Introduction to lecture File storage and backup File storage and backup Computing hardware Computing hardware

Mgt 240 Lecture Introduction Lecture syllabus Lecture syllabus Objectives Objectives Slides Slides Posted in several locations Posted in several locations Calendar Calendar Text Text Reading questions Reading questions

Mgt 240 Lecture Introduction Homeworks Homeworks Individual Individual Posted in several locations Posted in several locations Turned in to your folder in the dropbox folder Turned in to your folder in the dropbox folder Due on Fridays at 5pm Due on Fridays at 5pm Exams Exams Cover lecture, homeworks, and readings Cover lecture, homeworks, and readings Classroom expectations Classroom expectations Seating chart Seating chart Noise levels Noise levels

Mgt 240 Grading No way to get an A in the class without doing well in the lecture! No way to get an A in the class without doing well in the lecture! Hypothetical scenarios: Hypothetical scenarios: 500/750= 67% or D 500/750= 67% or D = 93% or A = 93% or A = 91% or A = 91% or A-

Questions?

Computing at ND: File Storage

Storage Media Used in Mgt 240 Excel JumpStart CD-ROM disk CD-ROM disk JumpStart files JumpStart files Institutional File Space (IFS): Backup up JumpStart files Institutional File Space (IFS): Backup up JumpStart filesBackup up JumpStart filesBackup up JumpStart files

Storage Media Used in Mgt 240 Excel JumpStart Your computer’s hard disk Your computer’s hard disk Used while working on JumpStart files that have been copied to your computer’s desktop Used while working on JumpStart files that have been copied to your computer’s desktop Why were you instructed not to work on the file directly on the CD? Why were you instructed not to work on the file directly on the CD? This is also where the Excel application files are located This is also where the Excel application files are located This is also where your operating system is permanently stored This is also where your operating system is permanently stored

Storage Media Used in Mgt 240 Excel JumpStart 3.5” floppy disk 3.5” floppy disk Completed JumpStart files Completed JumpStart files

Number of Bytes Number of Bytes

Storage Media Characteristics and Capacities CD-ROM CD-ROM CD-ROM Compact disc Compact disc Small, round, medium made of molded polymer Small, round, medium made of molded polymer Read-only-memory Read-only-memory Disc capacity of 650 MB Disc capacity of 650 MB Single speed transfer rate of 150 Kbps Single speed transfer rate of 150 Kbps

Storage Media Characteristics and Capacities Hard Disk Hard Disk Hard Disk Hard Disk Inside your computer Inside your computer Stores and provides relatively quick access to large amounts of data Stores and provides relatively quick access to large amounts of data Electromagnetically charged surface/s Electromagnetically charged surface/s PC’s now come with several million bytes (GB’s) of storage capacity PC’s now come with several million bytes (GB’s) of storage capacity Rotation speeds vary from 4500 to 7200 rpm Rotation speeds vary from 4500 to 7200 rpm Disc access is measured in milliseconds Disc access is measured in milliseconds

Hard Disk Thin steel platters Coated with iron oxide Represent bits by small magnetized areas

Storage Media Characteristics and Capacities Floppy Disk Floppy Disk Floppy Disk Floppy Disk Random access Random access Removable Removable Magnetic medium housed in a rigid plastic cartridge Magnetic medium housed in a rigid plastic cartridge Can store up to 1.44 MB Can store up to 1.44 MB Floppy disk drives often pre-installed on personal computers Floppy disk drives often pre-installed on personal computers

Storage Media Characteristics and Capacities Other types of portable drives you could take with you to lab Other types of portable drives you could take with you to lab CD-RW CD-RW Flash memory Flash memory

Office of Information Technology Home page Home page Home page Home page

Institutional File Space NetFile (N: drive) NetFile (N: drive) Primarily supports Windows and Mac community Primarily supports Windows and Mac community AFS (H: and I: drives) AFS (H: and I: drives) Primarily supports the Unix community Primarily supports the Unix community Why doesn’t OIT want you to work directly off your h: or n: drives? Why doesn’t OIT want you to work directly off your h: or n: drives?

Institutional File Space Every student, faculty, and staff member gets their own personal IFS space Every student, faculty, and staff member gets their own personal IFS space Students Students 500 MB NetFile 500 MB NetFile MB AFS MB AFS Can request more space if needed by filling out a quota increase form Can request more space if needed by filling out a quota increase form Can access files from multiple locations Can access files from multiple locations Can easily share files with others Can easily share files with others

Accessing Institutional File Space Mapping a drive to someone else’s AFS space Mapping a drive to someone else’s AFS space Mapping a drive to someone else’s AFS space Mapping a drive to someone else’s AFS space Example: Mapping Prof. Ballou’s Public AFS folder Example: Mapping Prof. Ballou’s Public AFS folder Mapping a drive to your NetFile space Mapping a drive to your NetFile space Mapping a drive to your NetFile space Mapping a drive to your NetFile space Mapping a drive to someone else’s NetFile space Mapping a drive to someone else’s NetFile space Mapping a drive to someone else’s NetFile space Mapping a drive to someone else’s NetFile space Ftp Ftp Telnet Telnet

Accessing Institutional File Space WebFile WebFile WebFile Views Views Create a view of the Mgt240 Lecture folder on the i: drive Create a view of the Mgt240 Lecture folder on the i: drive Advanced interface Advanced interface

Backups of IFS Files automatically backed-up nightly for both NetFile and AFS Files automatically backed-up nightly for both NetFile and AFS NetFile NetFile Backups for past 8 nights are available Backups for past 8 nights are available Can access through webfile Can access through webfile AFS AFS Backup for past night is available Backup for past night is available Can access through webfile: Yesterday folder Can access through webfile: Yesterday folder

Security of IFS NetID and password NetID and password Do not share your password Do not share your password Change your password monthly Change your password monthly Don’t send your personal information in unencrypted s Don’t send your personal information in unencrypted s Lock out your Windows 2000/XP workstation any time you walk away from it Lock out your Windows 2000/XP workstation any time you walk away from it Press CTRL, ALT, DELETE Press CTRL, ALT, DELETE Click Lock Computer Click Lock Computer Access rights Access rights Access rights Access rights Can change access rights to folders from within Webfile Can change access rights to folders from within Webfile

Computing at ND: Hardware

Hardware Used in Mgt 240 Excel JumpStart Your personal computer Your personal computer Work through exercises Work through exercises Notre Dame cluster computers Notre Dame cluster computers Work through exercises Work through exercises

OIT Recommended Windows PC Features Pentium 4, 2.8 GHz Processor for Desktops (or equivalent) Pentium 4, 2.8 GHz Processor for Desktops (or equivalent) Pentium 4GHzProcessorDesktops Pentium 4GHzProcessorDesktops Pentium M 1.5 GHz feature Centrino Mobile Technology for Laptops (or equivalent) Pentium M 1.5 GHz feature Centrino Mobile Technology for Laptops (or equivalent)Centrino Mobile TechnologyLaptopsCentrino Mobile TechnologyLaptops 256 MB RAM (or more) 256 MB RAM (or more)RAM 30 GB (or more) Hard Drive Space Total 30 GB (or more) Hard Drive Space TotalHard DriveHard Drive Free Space on Hard Drive: 1 GB (or more) Free Space on Hard Drive: 1 GB (or more) Other hardware: CD/DVD, 10/100 NIC, b Wireless for laptops Other hardware: CD/DVD, 10/100 NIC, b Wireless for laptopsCD/DVD10/100NIC802.11b WirelessCD/DVD10/100NIC802.11b Wireless

OIT Recommended Mac Features G4/G5 Processor G4/G5 Processor G4/G5 Processor G4/G5 Processor 256 MB RAM (or more) 256 MB RAM (or more) 30 GB (or more) Hard Drive Space Total 30 GB (or more) Hard Drive Space Total 1 GB (or more) Hard Drive Space Total 1 GB (or more) Hard Drive Space Total Other hardware: CD/DVD, 10/100 NIC, b Wireless for laptops Other hardware: CD/DVD, 10/100 NIC, b Wireless for laptops

Simple Computer Component Definitions Processor Processor Executes instructions Executes instructions RAM RAM Holds instructions for software that is currently open and running on your computer Holds instructions for software that is currently open and running on your computer Hard Drive Hard Drive Stores operating system, applications, files that you want to save permanently on your computer Stores operating system, applications, files that you want to save permanently on your computer NIC (Network Interface Card) NIC (Network Interface Card) Used to connect to a local area network Used to connect to a local area network b Wireless b Wireless Standard for wireless local area network communications Standard for wireless local area network communications

Getting to Know Your Computer Through the operating system Through the operating system Open up the control panel on your computer Open up the control panel on your computer Double click on the system icon Double click on the system icon General tab contains information about General tab contains information about Operating system Operating system Amount of RAM Amount of RAM Hardware tab contains information about all hardware devices installed on your computer Hardware tab contains information about all hardware devices installed on your computer Click on the Device Manager button to gather information about Click on the Device Manager button to gather information about Drives Drives Monitor Monitor Network adaptor (NIC) Network adaptor (NIC) Ports Ports Processor Processor Storage Storage Click + sign to the right of any of these for a list of devices under each category Click + sign to the right of any of these for a list of devices under each category Right click a specific piece of hardware for more information about it Right click a specific piece of hardware for more information about it

Getting to Know Your Computer Through visual inspection Through visual inspection Look at your disk drives and ports Look at your disk drives and ports Through the documentation that came with your computer Through the documentation that came with your computer

Unsupported Hardware on ND Campus Game Systems (e.g., XBox, Sony PlayStation, etc.) Game Systems (e.g., XBox, Sony PlayStation, etc.)XBox Wireless Routers & Network Routers/Hubs Wireless Routers & Network Routers/Hubs WirelessRoutersNetworkHubs WirelessRoutersNetworkHubs

Summary of Computers on Campus Computer Platform Report Computer Platform Report Computer Platform Report Computer Platform Report

Cluster Hardware ND Cluster Hardware List ND Cluster Hardware List ND Cluster Hardware List ND Cluster Hardware List

Other Hardware on the ND Campus Network equipment Network equipment Network equipment Network equipment Routers Routers Switches Switches Servers Servers Application Application File (H:, I:, N: drives) File (H:, I:, N: drives)

Homework Due next Friday, September 3 rd, at 5pm Due next Friday, September 3 rd, at 5pm Turn in to your netid folder in dropbox folder in lecture folder on i: drive Turn in to your netid folder in dropbox folder in lecture folder on i: drive Designed to familiarize you with your computer’s features Designed to familiarize you with your computer’s features Using alt-prt scrn to capture the active window Using alt-prt scrn to capture the active window

Assigned Reading Read and use the hardware section of chapter 2 (pp ) in text as a reference for your hands-on homework Read and use the hardware section of chapter 2 (pp ) in text as a reference for your hands-on homework Use as another reference for your hands-on homework Use as another reference for your hands-on homeworkhttp://whatis.techtarget.com/ Following are questions that you should be sure you can answer based on your understanding of the text Following are questions that you should be sure you can answer based 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 use each of the following?: a floppy disk, cd-rom, dvd, zip disk, storage area network? 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 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 computers, handheld computers, midrange computers, mainframe computers, and supercomputers? What are the main differences between personal computers, laptop computers, handheld computers, midrange computers, mainframe computers, and supercomputers?