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69 Cards in this Set
- Front
- Back
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Name of the portion of the OS that relates to the user and to applications?
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Shell--provide command, menu, or icon interface to the user using interface tools (ex: explorer, contorl panel, my computer)
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Kernal
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basic OS functions such as managing memory, file I/O and loading and executing programs
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Two important parts of the Shell?
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1. User component-manages input from keyboard/ other devices, output from the user interface and the GDI
2. GDI-Graphics Device Interface |
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16 bit OS- Used only 16 bit drivers and managed base, upper, and extended memory
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DOS
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32 bit OS, virtual machine, memory paging, 32 bit drivers
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WIN NT/ 2000/ XP
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WIN 9x- config data is stored in..
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WIN 9x registry--also contain initialization info for apps, databse of hardware and software settings, WIN config..
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Application Programming Interface (API) call
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Applications call on the OS to access hardware or other software
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Virtual Machine (VM)
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When apps first loaded by WIN 9x this is the method to access hardware and software (think of VM as multiple logical machines w/in one physical machine)
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Clean install
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ignores any settings in the currently installed OS, must reinstall all hardware and apps
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Do you need to format your HDD before you begin install?
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No, only if suspect a virus is present.-If suspect a boot sector virus use the Fdisk/MBR command to rewrite the MBS then do clean install
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Upgrade Install
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Carries forward info about what the current OS knows
1.installed hardware/ software 2. user preferences 3. and other settings |
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Steps for a clean install
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1.back up important data to another medium
2.verify boot sequence |
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Setup options for install
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1. typical
2. portable 3.Compact 4.custom |
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Typical setup option
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install all components that are usually installed w/ WIN 9x
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Portable setup option
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Use this option when installing WIN 9x on a notebook computer
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Compact setup option
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if short on HD space, must install any components needed after install of OS
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Custom setup option
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if you need components not normally installed under the typcal install.
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The primary log file is _______
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Setuplog.txt-during install setup records info in log file, when recovering from a crash to determine how far it got in the installation
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the ______ file shows what hardware has been detected
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Detlog.txt
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A ____ ______ is written to interface with a specific device and OS
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Device Driver
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If new hardware wizard not launch automatically, what do you do?
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Control Panel and click the add new hardware--the wizard will launch
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Can you edit msdos.sys?
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Yes, affects how the OS boots, can customize the boot process by editing some entries in this file
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How do you uninstall a device?
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Start/ settings/ control panel/ system/ device manager--click remove then restart PC
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Plug and Play criteria
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1 system BIOS must be PnP
2 All hardware devices and expansion cards must be PnP compliant 3 the OS must be Win 9x or another OS that support PnP 4 32 bit device driver must be available |
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If the driver is 32 bit it is loaded from the ______.
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Registry (System.ini)
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If the driver is 16 bit it is loaded from ________ or ________.
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Autoexec.bat or Config.sys
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Dosstart.bat
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type of Autoexec.bat file. Executes when you selfect restart computer in MS-DOS mode from shutdown mode/ when you run a program in MS-DOS mode--can be used to load real mode device drivers
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SmartDrive
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16 bit driver used to manage disk caching.
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Keystroke shortcuts while loading WIN
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f4- load previous version of DOS
F5-Start in safe mode F8/ Ctrl- Display startup menu Shift +F8-Step by step confirmation |
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Files used to control the startup process...
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Io.sys/ Msdos.sys/ Command.com is required by DOS
Autoexec.bat and Config.sys text files that contain settings for drivers. Supported by WIN 9x for backwards compatability |
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Initialization files
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DOS uses text files to hold info about what is loaded, WIN 3.x also uses text files to hold custom settings
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WIN 9x setting stored in
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Registry not text files
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Sysedit
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WIN text editor designed to edit the initialization files.
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Type sysedit in Run dialog box what files appear for editing?
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Autoexec.bat
Config.sys Win.ini System.ini Protocol.ini |
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System.ini
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hardware settings and multitasking option for WIN
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Progman.ini
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information about Program Manager Groups
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Win.ini
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information about user settings, including printer, fonts, file associations, and settings made by applications
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Control.ini
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information about the user's desktop, including color selections, wallpaper, and screen saver options
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Mouse.ini
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settings for the mouse
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Protocol.ini
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info about the configuration of the network
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5 phase startup in WIN 9x
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1 BIOS/ Bootstrap
2.DOS drivers & TSR's 3.Real mode / VxDs loaded 4.Protected mode switch over and PnP config 5.Loading remaining components |
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WIN 9x Phase 1 startup
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BIOS/ Bootstrap includes:
POST PnP BIOS Config |
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WIN 9x Phase 2 startup
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DOS drivers & TSR's includes
Io.sys--Msdos.sys and Config.sys contents are checked--Command.com, Autoexec.bat, & Winstart.bat are loaded Win.com loads real mode core components |
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Win 9x Phase 3 startup
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Real mode/ VxDs loaded includes
Vmm32.vxd creates virtual machines--Loads static VXDs named in registry and System.ini |
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Win 9x phase 4 startup
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Shift to protected mode/ PnP config
Load PnP config manager--PnP loads dynamic device drivers (VxDs) |
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Win 9x phase 5 startup
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Load remaining components includes
Kernal/ GDI/ User/ Fonts/ Win.ini is checked/ Shell and desktop are built--Startup directory is processed |
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VxD Virtual device driver
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works w/ virtual machine to provide access to hardware for software running in the VM
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Static VxDs
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.vxd extension under Win 9x if stored in individual files they are loaded into memory, and remain there.
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Configuration Manager
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configure legacy and PnP devices--uses any info that PnP BIOS might have left for it and loads the 32 bit VxDs for the PnP devices
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Automatically skips drivers that prevent WIN from loading
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Automatic skip driver agent: Asd.exe
WIN 98/ME Located \Windows |
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Display system information, installed hardware and device drivers
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Microsoft System Information WIN 95 & WIN 98/ME
MSInfo32.exe \Program Files\ Common files\Microsoft shared\Msinfo |
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Display system information but in text form
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Hardware Diagnostic tool (Hwinfo.exe)
WIN 98/ME |
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Backs up, verifies, and recovers the registry
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Registry checker WIN 98/ME
Scanreg.exe \Windows\Command |
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Download service packs for Wind from the microsoft website
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Windows Update Win 95/98/ME
lexplore.exe |
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Can be used to monitor and tweak system performance
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System options in control panel
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Temp modify the system config to help w/ troubleshooting
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System Config utility WIN 98/ME
MsConfig.exe \Windows\System |
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Verify system files. Scans for changed, deleted, or corrupted system files and resores them from the originals on the WIN CD
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System File Checker WIN 98
Sfc.exe \Windows\System |
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Track the performace of some important system components
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System Monitor WIN 98
Sysmon.exe \Windows |
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Back up files and folders to prevent loss when your HD fails
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Microsof Backup WIN 95/98/ME
Msbackup.exe \Program Files\Accessories\Backup |
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Full system backup to reinstall WIN and restore the system to its stae as of the last backup
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System Recovery WIN 98/Me
pcrestr.bat |
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traps errors in log files created by apps and takes a snapshot of the system to use for troubleshooting
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Dr. Watson WIN 98/ME
Drwatson.exe |
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Schedules tasks such as MS backup to run at a predetermined time
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Scheduled Task Wizard WIN 95/98/ME
Mstask.exe |
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Replace an older WIN file with a newer file that was saved when WIN or an application was installed
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Version Conflict manager WIn 98/ME
Vcmui.exe |
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Text editor to edit files that configure how win loads
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Sstem Configuration Editor WIN 95/98/ME
Sysedit.exe |
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Run, switch, and end application s, and access the shutdown menu
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Task Manager
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Checks system drivers for digital signatures given to them by microsoft
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Digital signature check WIN 98/ME
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Ios.ini
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Contains the WIN 9x safe driver List. determine if WIN 9x can safely substitute a protected mode driver for a real mode one
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The ________ is a database of configuration information and settings for users, hardware, applications, and the OS
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The Registry--WIN 9x takes over the essential function of .ini files.
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What two files are required to access a CDROM drive while in real mode
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1 Mscdex.exe
2 device driver |
