Computer Introduction 3

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Computer Introduction3

• For HD-111
• Computer Ed Institute
• Feb - Mar, 2004

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LAB - Vision Statement

• Review class handout
• Refer to IT Job Taxonomy
• List your specific industries, positions
• Create scenarios Large, medium, SOHO
• Document your plans using Word

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What is a computer?

• Input, Output, Process, Storage
• Von Neumann Model
• Primary, Secondary storage
• I/O in a local/LAN/WAN context
• DOS vs. NOS

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Lab

• List Motherboard Components

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Views of Information Technology

• People, property, processes
• User Management, Resource Management
• What is Hard/Soft/Logical?
• What are models, acronyms?
• Layer models for troubleshooting
• Function or Use Case models for analysis

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Function

• What is functional or conceptual?
• A service, a collection of system programs
• Views from perspective of business, application
  software, technology
• Layering function according to presentation,
  business (application) logic, storage
• Layering function according to physical
  connectivity or data flow
• Analyzing function according to actors and uses
  consumers and services

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Jobs/Certifications

• People, Property/Resources, Process/Services -
  MCSE
• People, Property/Resources
• - MCSA
• Property/Resources, Process/Services
• - Network
• Property/Resources, Process/Services
• - A

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Spheres of Control
Operating System Software
A P S TN DP
Logical
User
API
Kernel
TDI
Physical/Hardware
Firmware
NDIS
PHY
Physical
Not to scale!!!
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Specific Management Functional Areas

• Security Management (services)
• Accounting Management (services)
• Performance Management (services)
• Fault Management (services)
• Configuration Management (services)

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SMFA services
Security Authentication/Authorization
Auditing
NOS
Performance Fault Configuration
DOS/client
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An IT relationship
Software Applications Services
Software Core Operating System
Firmware BIOS/CMOS/ESCD
Hardware backplane with power, chipset, and
communication busses
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Save Energy Take the Bus
Functional paths

• Power/Cooling
• Address/Data
• Control

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Bus Architecture

• Legacy vs. Non-Legacy
• ISA
• PCI
• USB
• See Handout (changes P5 P7)

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Hardware - Software

• The box - The motherboard
• Legacy - System Resources (Hard)
• The System Software
• The Application Software
• The process Line Of Business

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System Tools

• Administrator / User Tools
• System Tools
• Device Manager
• System Information (MSINFO32)
• Generic Microsoft Management Console (MMC)
• Command Line Interface (CLI)
• IPCONFIG /ALL
• NET commands

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Loading an OS

• BIOS
• Test primary storage
• Prepare secondary storage
• Boot Process
• Install MSDOS
• Install Windows 9x
• Install NOSs
• Install networking
• Configure local environment
• Customize

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The OSI Model
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Using Protocols on a Network
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Identifying Devices and Resources
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Using Ipconfig in Win98/2K
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Web browser and Proxy Server
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Computer Names
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Assigning Computer Names in W2K
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Sharing Files and Folders
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Sharing Resources
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Setting Up a Network Drive
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Flow DOS Boot Process
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Flow - Win9x Boot Process
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The W2K Boot Process

• BIOS executes POST
• BIOS executes MBR
• MBR executes BOOTLOADER in active partition
• NTLDR, in 32-bit environment, starts boot
  process, BOOT.INI, NTDETECT.COM
• NTOSKRNL.EXE, HAL.DLL, System hive.
• NTLDR passes control to NTOSKRNL

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Steps in the Boot Process
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The W2K Boot Process
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Lab HowTo Install an OS

• Objective Install a NOS
• Task 1
• Task 2
• Task 3
• Task 4
• Task 5
• Best Practices

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Lab HowTo Install an OS

• Objective Install a NOS
• Confirm BIOS boot-up sequence
• Launch from CDROM
• Create partition and format
• Install NOS and configure
• Customize for end-user or for role?
• Best Practices Use a bootable CDROM!

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What to configure?

• Printer?
• Web browser (proxy server)?
• Network Shares?
• Software?
• What would you consider customization?
• Role vs. Individual end-user vs. Mandatory profile

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To be Continued
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Lab HowTo Install a printer

• Objective Install a network printer
• Task 1
• Task 2
• Task 3
• Task 4
• Task 5
• Best Practices

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Lab HowTo configure a browser with a proxy
server address

• Objective Install browser software using a
  proxy server
• Task 1
• Task 2
• Task 3
• Task 4
• Task 5
• Best Practices