Principles of Technology Computing Fundamentals
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Transcript of Principles of Technology Computing Fundamentals
Computing Fundamentals
Unit 4- Computer Software
Identify how hardware & software interact Explain how a software program works Describe the difference between application
and system software Describe the software distribution process
Objectives
What is Hardware?◦ 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
Hardware vs. Software
Hardware & Software Working Together
Computer processes data by applying rules◦ Algorithm
Steps to perform a task
What are the steps to doing laundry?
How a Program Works
Develop algorithm into flowchart
Programmer writes code
Beta testing◦ Evaluated by actual users◦ Does it meet requirements?◦ Report bugs
Debugging◦ Fixing the problems
Developing Software
Applications◦ Helps you do a task
Systems◦ OS & utility programs◦ Allows you to interact w/ hardware◦ Manages computer resources
2 Types of Software
Runs on top of system software & performs a specific function
Productivity Software◦ Word processing, spreadsheet, database, presentation,
desktop publishing
Entertainment Software◦ Playing music, videos, viewing photos
Media Editing Software◦ Creating & modifying graphics, animations, videos
Application Software
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 tester/user
What process fixes all the problems?◦ Debugging
Review
Create, edit, format, print documents
Letters, reports, memos, flyers
Collaboration◦ Share via email, cloud, or
blog◦ Edit in real time
Word, Word Perfect, Google Doc, Apple Pages
Productivity: Word Processing
Similar to word processing◦ Text & graphics◦ Used to create & print high quality brochures,
magazines, newspapers, etc. Adobe InDesign, QuarkXPress, Publisher
Productivity: Desktop Publishing
Evaluate & calculate data
Worksheet, workbook, cells, functions, formulas, charts
Excel, Lotus 1-2-3, Quattro Pro
Productivity: Spreadsheet
Organize & present information
Slide show
Present to audience
PowerPoint, iWork Keynote, Prezi, Corel Presentations
Productivity: Presentations
Productivity: Presentations
Slide
Notes Page
Collection of info organized for quick retrieval
Create, maintain, provide access to data
Access
What business would use it & what info?
Keywords:◦ Table (all info stored in it)◦ Field (a column of info, such as Name of Movie)◦ Record (a row of info; related fields)◦ Primary Key (unique ID)◦ Query (request for specific info)
Productivity: Database Management
Productivity: Database Management
Review- Q
Pictures/Photo editing
Photoshop, Paint, CAD
Formats◦ Tiff, jpg, gif, bmp◦ Each has different
qualities Tiff BEST but not
browser compatible
Media Editing: Graphics
Select Zoom Text Draw Shapes Erase
Paint
Recreate a project in Paint◦ Become familiar with functions
Project
Multimedia- Video, Music, Animation◦ Mpg, mp3, wav
Email◦ Windows Mail/Outlook◦ Eudora (one of the 1st)
Browsers◦ IE, Chrome, Opera,
Firefox
Other Software
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
Review
What is the highlighted area called?
Record
Review
Systems Software Manage resources, files OS
◦ Communicates between user & hardware GUI
Utilities◦ Antivirus◦ Backup◦ File management (more on next slide)
Backup◦ Saves data on another drive
Antivirus◦ Protects PC from virus damage◦ Subscription◦ Scheduled Scans
Utilities
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
Defrag, Cleanup, Compress
Review- Q
Getting Software Licensing
◦ Single-user (one PC) ◦ Site/Network/Volume license (installed on all PCs in
business)◦ Site license is cheaper than buying all single-user license
Web applications (SaaS)◦ Login online◦ Google Docs
Upgrade existing software to new version◦ New features & better compatibility◦ Like a new version of Office
Updates/Patches/Service Packs◦ Fix errors◦ Change minor
features◦ Get from
manufacturer’s web site Version 1.2.1 Windows 7 SP2
Updating Software
Freeware vs. Shareware
Freeware◦ Free software to download◦ Owner has copyright◦ For personal use
No rights for you to distribute
Shareware◦ Trial period◦ Pay after that
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
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
Review
Computing Fundamentals
Unit 5- Computer Software