introduction to computers a basic understanding of computer technology
TRANSCRIPT
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Introduction to Computers
A Basic Understanding of Computer Technology
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Lesson 6
The Operating SystemDescribe the main function of the OS
Create and evaluate file-management
A
B
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The jobs of an operating system
Program
Pro
gra
m
Pro
gra
m
Middle Manager Program Manager Windows Explorer
Events
Events EventsEvents Events
Events
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Task A-1
Examining the tasks of an Operating System
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Windows Explorer
k
A computer filing system is like an office filing system
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Task B-1
Identifying a file
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A Directory is like a Folder
C:\Root Directory\Documents and Settings
\Administrator
\Windows
\System
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Task B-2
Using Directories
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Windows Directory is like a Tree
Root directory
Directory Directory Directory
Subdirectory Subdirectory Subdirectory
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Task B-3
Determining how a disk is organized
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Deciding on a Directory Structure
C:\RootC:\Root
\DOS\DOS \Mickey\Mickey
\And Friends\And Friends \Mouse\Mouse
\Disney\Disney \Walt\Walt
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Task B-4
Creating a directory tree structure
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File organization strategies
Root directory
WP SS DB DATA
WP SS DB
Bus Pers Bus Pers Bus Pers
Application-baseddirectory structure
Application-Based
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File organization strategies
User-BasedRoot directory
NancyBill Tom
WP SS DB WP SS DB
WP SS DB
User-baseddirectory structure
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File organization strategies
Department-Based
Root directory
EngMkt Adm
Budgets
Schedules
Sales
WP
WP
Budgets
Schedules
Department-baseddirectory structure
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Task B-5
Determining how to reorganize a directory tree structure
Example next slide
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A directory that needs to be reorganized
Root directory
MKT data ENG data
BudgetsCustomers
word processingfiles
sales files
BudgetsSchedules
word processingfiles
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File specification
C:\
Drive
Data\Reports
Directories
Myfile
File name
.DOC
Extension
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What the symbols mean
\ = the root and separates items in the path.
Jackie.docJackie.doc Mouse.docMouse.doc
C:\>C:\>
C:\Terry>C:\Terry> C:\Jackie>C:\Jackie>
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Task B-6
Creating a file specification
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Wrap-Up for Lesson 6
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Lesson Seven
DOS Survival GuideUs a DOS command prompt to enter common commands.
A
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DOS Survival Guide
CommandCommand PurposePurposeDATE Report the system date (date on the computer’s internal
clock/calendar) and enable you to change the system date.
TIME Reports the system time and enables you to change the system time.
CLS Clears the screen and displays the prompt in the upper-left corner.
VER Displays the number for the DOS version that you are using.
DIR Displays the names of the files and directories on the specified disk.
CD Changes the current directory
TREE Shows the structure of the directory tree on the disk you specify.
HELP Provides on-line help for command formats.
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Task A-1
Experimenting with common commands
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Task A-2
Changing disk drives
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Task A-3
Using the DIR command
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Task A-4
Using the CD command
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Task A-5
Using the Tree command
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Commands
CommandCommand PurposePurpose
MD The Make Directory command
RD Remove Directory command
REN Rename command
DEL Delete command
COPY Copies files
DISKCOPY Copy complete floppy disk
FORMAT Formats a disk for use
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Task A-6
Examining command-line errors
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Task A-7
Accessing the Help system
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Wrap-Up for Lesson 7
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Lesson Eight
Forget about Windows 3.1
Move on to Windows 2000/XP
A
B
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Starting up Windows 2000
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Logging in
Ctrl + Alt + Delete User Name and Password
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Windows Desktop
The Start Button Programs Documents Settings Search Help Run Shut Down…
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Task B-1
Opening a group icon to a window: running a program
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Software is a set of instructions
How to
Become
a WordpadH
ow
to B
ecom
e a
Word
pad
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Task B-2
Observing the application program window
Title bar
Menu bar
Insertion point
Scroll bar
Max/Min buttons
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Task B-3, 4, and 5
Using the Maximize and Restore buttonsUsing the Minimize buttonExiting a program
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Organizing your Desktop
Display you multiple programs by..CascadeTile HorizontallyTile Vertically
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Windows Accessories
CalculatorCalendarTask barTask Manager
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Task C-2
Opening a window
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Task C-3
Moving a window
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Task C-4
Sizing a window
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Task C-5
Scrolling through a window
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Windows Explorer
Task D-2Examining the directory tree
Task D-3Exiting a windowExiting Windows
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Wrap-Up for Lesson 8
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Lesson Nine
Application SoftwareExamine broad categories of application software
A
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A sample spreadsheet
A B C D E F12 FensterGlass, Inc. -- Sales Analysis3 4 5 6 Month # Month Bow Windows Bay Windows Total7 1 J an 3,000 65 3,065 8 2 Feb 550 70 620 9 3 Mar 440 95 535 10 4 Apr 355 145 500 11 5 May 235 195 430 12 6 J un 150 285 435 13 7 J ul 110 302 412 14 8 Aug 105 304 409 15 9 Sep 98 265 363 16 10 Oct 64 220 284 17 11 Nov 55 130 185 18 12 Dec 43 98 141 19 Totals for Year 5,205 2,174 7,379
formulas at work
columns
cell
rows
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A sample database
Emp-Id Address City St Zip Phone DeptEN01 34 Fields Street Walworth NY 14568 898-5931 MK
EN03 82 East Avenue Adams Basin NY 14410 855-0037 ES
EN04 450 N. Madison St. Holley NY 14470 855-8265 MK
EN05 10 Cory Drive Hulberton NY 14473 852-4703 MS
EN07 12 East Avenue Leicester NY 14481 898-3966 ES
EN08 21 Stonecreek Rd. Shortsville NY 14548 898-5664 EE
EN10 50 Smart Drive Knowlesville NY 14479 821-7474 EE
EN11 50 Dallas Street Shouth Byron NY 14557 855-0856 EE
EN12 32 Ash Lane Perkinsville NY 14529 876-4367 CE
EN13 23 Lakeside Avenue Pultneyville NY 14538 887-2208 SA
EN14 50 Dallas Street South Byron NY 14556 855-0856 SS
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A sample word processing document
graphicslines
fonts andfont sizes
tables
multi-columnlayout
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Categories of software applications
Category Use
Presentation graphicsEnables you to create and modify charts andgraphs that are visually appealing and easilyunderstood.
Desktop publishing Enables you to design a page layout on-screen,and produce documents that include both textand graphics.
Information managersEnables you to organize and prioritize your work.
Project managementEnables you to track several tasks that makeup an entire job.
Utility Enables you to efficiently organize andmaintain your data and programs.
Drafting Enables you to work efficiently with designjobs that require precision, such as designing
a building, machine parts, or a car.
Cusom applications Designed for specific applications to helpautomate procedures for specific tasks.