1. Computing Fundamentals
Unit 5- Computer Software

2. Objectives Identify how hardware & software interact
Explain how a software program works
Describe the difference between application and system software
Describe the software distribution process

3. Hardware vs. Software What is Hardware? What is Software?
Hardware is physical
You can touch it
What is Software?
Instructions to perform a task
Programming code
Program is another name
Program gets loaded into RAM
Both work together & interact
Look! This is a notes page. Here, I can write notes to myself & print it out so when I give a speech I can remember to say what I wrote here.

4. Hardware & Software
Working Together

5. How a Program Works Computer processes data by applying rules
Algorithm
Steps to perform a task
What are the steps to doing laundry?

6. Developing Software Develop algorithm into flowchart
Programmer writes code
Beta testing
Evaluated by actual users
Does it meet requirements?
Report bugs
Debugging
Fixing the problems

7. 2 Types of Software Applications Systems Helps you do a task
OS & utility programs
Allows you to interact w/ hardware
Manages computer resources

8. Application Software AKA Productivity Software
Word, Excel, PowerPoint, PhotoShop, IE, etc.

9. Application Programs Runs on top of system software
Performs a specific function
Word processing
Spreadsheets
Presentations
Databases
Graphics
Other

10. Review What are the two types of software categories?
Application & System
Describe hardware.
Physical device
What’s another name for software?
Programs
A new game has been developed. Who made it?
Programmer
Who tests it?
Beta user
What process fixes all the problems?
Debugging

11. Word Processing Create, edit, print documents Text editor
Word, Word Perfect

12. Spreadsheet Evaluate & calculate data Worksheet, workbook, cells
Excel, Lotus , Quattro Pro
Functions & formulas

13. Presentations Organize & present information Slide show
Present to audience
PowerPoint, Corel Presentations

14. Presentations
Notes Page
Slide

15. Database Management Collection of info organized for quick retrieval
Create, maintain, provide access to data
Table, records, fields, query
What business & info?
Access
Table- columns & rows of data; record- row of info; field- column specific info; query- asks a ? About the data
database- customer info, hospital records

16. Graphics Pictures Photoshop Formats Tiff, jpg, gif, bmp
Each has different qualities
Tiff BEST but not browser compatible

17. Paint
Select
Zoom
Text
Draw Shapes
Erase

18. Other Software Multimedia- Video, Music, Animation Email Browser
Mpg, mp3, wav
Windows Mail/Outlook
Eudora (one of the 1st)
Browser
IE, Opera, Firefox

19. Review What was one of the 1st email programs?
Eudora
A record can be found in which program?
Database
Name some picture formats.
Jpg, gif, bmp, tiff
Name some multimedia formats.
Mpg, mp3, wav
Which program can calculate data?
Spreadsheet

20. Review
What is the highlighted area called?
Record

21. Systems Software Manage resources, files OS Utilities
Communicates between user & hardware
GUI
Utilities
Antivirus
Backup
File management (more on next slide)

22. Utilities Backup Antivirus Saves data on another drive
Protects PC from virus damage
Subscription
Scheduled Scans

23. Defrag, Cleanup, Compress
Defragmentation (example)
Files are all over the place
Defrag places parts of a file closer together
Disk Cleanup
Frees up disk space
Deletes Recycle Bin & temp files
File Compression
Makes one large file smaller
Disk Compression
Squeezes files on HD

24. Getting Software Licensing Web applications (SaaS)
Single-user (per machine) $$$
Network license (installed on server) $$
Site license (installed on PC) $
Web applications (SaaS)
Google Docs
Upgrade existing software to new version $$
New features & better compatibility
Like a new version of Office
Find the version of office (About)

25. Updating Software Updates/Patches/Service Pack Fix errors
Change minor features
Get from manufacturer’s web site
Version 1.2.1
Windows 7 SP2

26. Freeware vs. Shareware Freeware Shareware Free software to download
Owner has copyright
For personal use
No rights for you to distribute
Shareware
Trial period
Pay after that

27. Review What is the purpose of defrag?
Moves parts of a file closer for faster access
Which software is a trial version?
Shareware
Where is the best place to get a download that will fix a security hole in Windows?
Microsoft (manufacturer of program)
Which utility option will squeeze files on a HD closer together to create more room?
Disk compression

28. Review To use software legally, you must have what?
License
Which software is free for personal use only?
Freeware
What is a patch?
An update that fixes an error in a program
Which utility option will delete the Recycle Bin & temp files?
Disk cleanup
What protects a PC from viruses?
Anti-virus software

29. Computing Fundamentals
Unit 5- Computer Software