ch 1 getting started with the operating systemfaculty.skagit.edu/imageuploads/repository590.pdf ·...
TRANSCRIPT
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Ch1 1
Getting Started with
the Operating System
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Ch1 2
Overview
Will discuss the purpose and
function of an operating
system.
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Ch1 3
Overview
Will identify the system
configuration and version of
Windows that you are using.
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Ch1 4
Overview
The need and procedure for
booting the system will be
explained.
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Ch1 5
Overview
The function of, and rules for, file specifications will be
explained.
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Ch1 6
Overview
Will discuss why Microsoft
has DOS function available
to the user.
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Ch1 7
Overview
Will compare and contrast
data files with system files.
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Ch1 8
Overview
Will explain the purpose and
function of commands and
then use the commands for
specific tasks.
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Ch1 9
Overview
Make a copy of a disk.
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Ch1 10
Overview
Learn the proper way to end
a work session.
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Ch1 11
What is an Operating System?
The operating system: First program loaded into
memory (RAM)
Software program - makes computer work
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Ch1 12
What is an Operating System?
The operating system:Supervises application
programs and all input/output of computer
Takes care of mandatory functions of computer
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Ch1 13
What is an Operating System?
User communicates with the operating system and the OS runs the computer.
Working with the operating system is known as being on the SYSTEM LEVEL.
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Ch1 14
Versions of the Operating System (OS)
New versions of OS
Assigned a number
take advantage of new technology.
Upgrades contain enhancements which
increase capabilities of computer.
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Ch1 15
Versions of the Operating System (OS)
Current version of Windows Operating system is Windows XP
Two versions Windows XP Home Edition and Windows XP Professional
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Ch1 16
Overview of Files and Disks
Disks are the primary way to permanently save data and programs.
Files are used to organize data for ease of retrieval.
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Ch1 17
Overview of Files and DisksFigure 1.1 Disks and Files p.4
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Ch1 18
File Names, File Types, and Folders
File names (file specifications):
Must have a unique name.Comes in two parts--
File name File extension
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Ch1 19
File Names, File Types, and Folders
File name describes and identifies the contents of a file.
The file extension identifies the type of file.
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Ch1 20
File Names, File Types, and Folders
Consider using the 8.3 rule when naming files.
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Ch1 21
File Names, File Types, and Folders
There are two types of files:
Program files
Data files
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Ch1 22
File Names, File Types, and Folders
Program files (used to create data): Step by step instructions for
computer
In RAM for application program to work
Fall into generic categories
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Ch1 23
File Names, File Types, and Folders
Data files:
User created using application program
Used only in conjunction with an application program
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Ch1 24
File Names, File Types, and Folders
The operating system can divide or structure disks into
folders (directories).
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Ch1 25
File Names, File Types, and Folders
Primary directory (Root):
Created when disk is formatted
Symbol is \ (backslash)
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Ch1 26
Identifying Your System Configuration
Different system configurations: One hard disk drive, one CD-ROM drive, and one
floppy disk drive
One hard disk drive, one CD-ROM drive, one floppy disk drive, and one Zip drive
Two hard disk drives, one CD-ROM drive, and one floppy disk drive
One hard disk drive, one CD-ROM drive, one read-write CD-ROM drive, and one floppy disk drive
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Ch1 27
Computer Configuration Guide
Comparison of Previous Windows Versions with XP p. 7
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Ch1 28
Computer Configuration Guide
Comparison of Book Reference and Your System p. 7
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Ch1 29
Booting the System
Booting the system:
Moving operating system programs from system disk to memory (RAM) so computer can be used
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Ch1 30
Activity—Booting the System
Fig 1.2 Powering on the Computer p. 8
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Ch1 31
Activity—Booting the System
Windows XP Professional
Startup Sequence:
1. BIOS initiates POST, finds boot device and
then loads first physical sector or booting
device into memory.
2. Ntldr is loaded and then it loads Ntdetct.com
for hardware detection.
3. Hardware configuration selection (if needed).
4. Kernel loading.
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Ch1 32
Activity—Booting the System
Windows XP Professional
Startup Sequence:
5. Determine which Plug and Play devices are installed.
6. Media support files for hard drive and any special video drivers are loaded.
7. Drivers for all services system supports are loaded.
8. Operating system logon process
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Ch1 33
Activity—Booting the System
KEY CONCEPTS:
Lab procedures
Handling of disks
Windows XP Professional startup
sequence
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Ch1 34
Shutting Down the System
Must shut down computerproperly so it will not “crash”.
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Ch1 35
Activity—Windows Shut-Down Procedure
KEY CONCEPTS:
Proper shut down procedure Logging off vs. shutting down
computer
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Ch1 36
Why DOS?
Windows is a graphical user interface (GUI).
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Ch1 37
Why DOS?
DOS as a stand alone operating system is dead.
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Ch1 38
Why DOS?
Disk Operating System (DOS):
Character-based OS
Works with prompts such as C:\>Command line interface
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Ch1 39
Why DOS?
To accomplish task at command
line interface need to know:
What command to use
How to use command
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Ch1 40
Why DOS?
Why learn DOS?
Many tasks must be done at the command line prompt
Some tasks are accomplished easier
and faster in DOS
Assumption that user “knows” DOS
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Ch1 41
Why DOS?
Why learn DOS?
Internet users use command line similar to DOS
Career with networks or computer related fields must know command line interface
Knowing DOS a must if working for A+ certification.
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Ch1 42
Accessing the Command Line Prompt
To access command line prompt, must open Command Prompt (DOS) window.
Exit Command Prompt window before turning off computer
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Ch1 43
Activity—The Command Line Prompt
KEY CONCEPTS:
Opening Command Prompt Window
Creating shortcut to command line
Wizard
Naming shortcuts
Altering properties of Command Prompt Window
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Ch1 44
Controlling the Appearance of the Command-Line Window
The appearance of the command-line window can
be altered.
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Ch1 45
Controlling the Appearance of the Command-Line Window
While in the window view can . . .
use Minimize button.
use Maximize button.
use Restore button.
alter size of text. toggle between window and full-
screen mode.
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Ch1 46
Activity—Altering the Command-Line Window
KEY CONCEPTS:
Tool Tips
Minimize/Maximize/Restore Windows
TrueType vs. raster (bit-mapped) fonts
Return to desktop and follow proper shut down procedure
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Ch1 47
The Default Drive and Default Directory
Command prompt:
Where user keys in commands
Is character-based
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Ch1 48
The Default Drive and Default Directory
The command prompt:
C:\>
C:\WINDOWS>
C:\WINDOWS\SYSTEM32>
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Ch1 49
The Default Driveand Default Directory
Displayed default drive and directory:
Your location
Where the OS looks for commands
Can be changed
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Ch1 50
The Default Drive and Default Directory
Displayed default drive and directory depends on:
System configuration
Current running software
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Ch1 51
Activity—Changing the Default Drive
Fig 1.3 Inserting a Disk p.19
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Ch1 52
Activity—Changing the Default Drive
KEY CONCEPTS:
Recognizing prompt
Where to key in information
When to press <Enter> key
Proper way to insert disk
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Ch1 53
Understanding Commands
Commands:
Programs that perform specific tasks
Are either internal or external
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Ch1 54
Understanding Commands
Internal commands:
Built into command processor
Automatically loaded/stored in
RAM when system booted
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Ch1 55
Understanding Commands
External commands:
Are stored as files on a disk
Must be read into RAM each time command is keyed in
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Ch1 56
Understanding Commands
All program files (including
application programs) are external.
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Ch1 57
Understanding Commands
“External command”:
Group of programs that perform
operating functions
Group of files referred to as system
files or command line utility files
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Ch1 58
Understanding Commands
In Command Prompt window:
No icons
To use command must know its file name
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Ch1 59
Understanding Commands
DIR command:
“Table of Contents” of a disk - can be accessed from the command line
Equivalent of Explorer in Windows
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Ch1 60
Activity—Using the DIR Command
KEY CONCEPTS:
Scrolling
DIR command
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Ch1 61
Software Versions
New software versions:
Take advantage of new technology
Contain enhancements
Assigned version numbers
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Ch1 62
Activity—Using the VER Command
KEY CONCEPTS:
Determining version number
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Ch1 63
The CLS Command
The CLS command:
Clears screen
Returns cursor to home position
Erases screen display - not files
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Ch1 64
Activity—Using the CLS Command
KEY CONCEPT:
Clearing screen
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Ch1 65
The DATE and TIME Commands
DATE and TIME automatically set when computer is booted.
System date/time are the date/time the computer uses when it creates or updates files.
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Ch1 66
The DATE and TIME Commands
To change system date/time:
Use internal DATE/TIME commands at
command line
Click time display at far right of task
bar
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Ch1 67
Activity—Using DATE/TIME
Commands at Command Line
KEY CONCEPTS:
Changing/keeping date displayed
Changing/keeping time displayed
Importance of format
/T parameter with DATE and TIME
Importance of returning date and time to current date and time before you shut down if logged onto a DOMAIN.
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Ch1 68
Activity—Changing Date & Time Using Taskbar
KEY CONCEPTS:
Use taskbar to change date & time
Spin box
Drop-down list box
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Ch1 69
Media Objects: Their Properties and Values
Objects:
Can be opened
Have properties/may have values
Can be manipulated
Can have settings/parameters
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Ch1 70
Media Objects: Their Properties and Values
Property:
Characteristics of on object
Details about file that help identify it
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Ch1 71
Media Objects: Their Properties and Values
Value:
All objects of same type have same properties
Value of each property separates one object from another
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Ch1 72
Media Objects: Their Properties and Values
Example:
Humans (objects)
Have names (property)
Specific name (value)
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Ch1 73
Activity—Examining Disk Properties & Values
KEY CONCEPTS:
Left/right view of My Computer window
Identify type of drive by its icon
Properties of ACTIVITIES disk
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Ch1 74
Activity—Examining Disk Properties & Values
Fig 1.1 My Computer in a Classic Window Display p.128
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Ch1 75
Ethical Considerationsin Copying Disks
Illegal to:
Copy a program/disk you did not purchase
Record a CD you did not purchase
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Ch1 76
Ethical Considerationsin Copying Disks
It is legal to make a backup copy of
purchased program disks for
personal use in case something
happens to original.
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Ch1 77
Making a Copy of the
ACTIVITIES Disk: DISKCOPY
To make an exact copy of a disk you must use the same media (type and capacity).
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Ch1 78
Making a Copy of the
ACTIVITIES Disk: DISKCOPY
DISKCOPY:
External program
Makes back up copy of floppy disk
Stored in WINDOWS\SYSTEM32
subdirectory as DISKCOPY.COM
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Ch1 79
Activity—Using DISKCOPY
Fig 1.5 Floppy Disk Label Placement p. 31
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Ch1 80
Activity—Using DISKCOPY
KEY CONCEPTS:
Must use like media when copying disk
DISKCOPY command
Source disk
Target disk
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Ch1 81
How to End the Work Session
Must always exit Windows properly and completely to avoid damaging the system.
If stop in middle of an activity remember what prompt is so you can return to prompt when you begin again.
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Ch1 82
Activity—Ending the Work Session
KEY CONCEPT:
Shut-down procedure