Introduction to Computers

A Basic Understanding of Computer Technology

Lesson 6

The Operating SystemDescribe the main function of the OS

Create and evaluate file-management

A

B

The jobs of an operating system

Program

Pro

gra

m

Pro

gra

m

Middle Manager Program Manager Windows Explorer

Events

Events EventsEvents Events

Events

Task A-1

Examining the tasks of an Operating System

Windows Explorer

k

A computer filing system is like an office filing system

Task B-1

Identifying a file

A Directory is like a Folder

C:\Root Directory\Documents and Settings

\Administrator

\Windows

\System

Task B-2

Using Directories

Windows Directory is like a Tree

Root directory

Directory Directory Directory

Subdirectory Subdirectory Subdirectory

Task B-3

Determining how a disk is organized

Deciding on a Directory Structure

C:\RootC:\Root

\DOS\DOS \Mickey\Mickey

\And Friends\And Friends \Mouse\Mouse

\Disney\Disney \Walt\Walt

Task B-4

Creating a directory tree structure

File organization strategies

Root directory

WP SS DB DATA

WP SS DB

Bus Pers Bus Pers Bus Pers

Application-baseddirectory structure

Application-Based

File organization strategies

User-BasedRoot directory

NancyBill Tom

WP SS DB WP SS DB

WP SS DB

User-baseddirectory structure

File organization strategies

Department-Based

Root directory

EngMkt Adm

Budgets

Schedules

Sales

WP

WP

Budgets

Schedules

Department-baseddirectory structure

Task B-5

Determining how to reorganize a directory tree structure

Example next slide

A directory that needs to be reorganized

Root directory

MKT data ENG data

BudgetsCustomers

word processingfiles

sales files

BudgetsSchedules

word processingfiles

File specification

C:\

Drive

Data\Reports

Directories

Myfile

File name

.DOC

Extension

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>

Task B-6

Creating a file specification

Wrap-Up for Lesson 6

Lesson Seven

DOS Survival GuideUs a DOS command prompt to enter common commands.

A

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.

Task A-1

Experimenting with common commands

Task A-2

Changing disk drives

Task A-3

Using the DIR command

Task A-4

Using the CD command

Task A-5

Using the Tree command

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

Task A-6

Examining command-line errors

Task A-7

Accessing the Help system

Wrap-Up for Lesson 7

Lesson Eight

Forget about Windows 3.1

Move on to Windows 2000/XP

A

B

Starting up Windows 2000

Logging in

Ctrl + Alt + Delete User Name and Password

Windows Desktop

The Start Button Programs Documents Settings Search Help Run Shut Down…

Task B-1

Opening a group icon to a window: running a program

Software is a set of instructions

How to

Become

a WordpadH

ow

to B

ecom

e a

Word

pad

Task B-2

Observing the application program window

Title bar

Menu bar

Insertion point

Scroll bar

Max/Min buttons

Task B-3, 4, and 5

Using the Maximize and Restore buttonsUsing the Minimize buttonExiting a program

Organizing your Desktop

Display you multiple programs by..CascadeTile HorizontallyTile Vertically

Windows Accessories

CalculatorCalendarTask barTask Manager

Task C-2

Opening a window

Task C-3

Moving a window

Task C-4

Sizing a window

Task C-5

Scrolling through a window

Windows Explorer

Task D-2Examining the directory tree

Task D-3Exiting a windowExiting Windows

Wrap-Up for Lesson 8

Lesson Nine

Application SoftwareExamine broad categories of application software

A

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

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

A sample word processing document

graphicslines

fonts andfont sizes

tables

multi-columnlayout

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.