1. Principles of Information Technology
Identifying and defining Apps (cont)., File Types, Purposes, and Extensions
December 2, 2014
Copyright © Texas Education Agency, All rights reserved.
Trade & Industrial Education

2. TEKS Correlations
(5) The student demonstrates knowledge of the different software associated with information systems. The student is expected to
(F) demonstrate understanding of apps, file extensions and the purpose of file types across software products;
(H) identify appropriate use of application software;
(L) demonstrate proper file management techniques such as creating, naming, organizing, copying, moving, and deleting files. IT
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3. Lesson Objectives for the week- write in agenda/journal
Monday - Define application software – Activity 1
Tuesday -Identify a file types by looking at its extension – Activity 2
Wednesday – Thursday – Create folders and represent file extensions
Friday – Quiz and discuss coding “Angry Birds Project for next week” .. Grade journals and agendas
IT: Principles of Information Technology – Identifying File Types, Purposes, and Extensions Copyright © Texas Education Agency, All rights reserved.
Trade & Industrial Education

4. Application Software “I’ve got an app for that”
“App” is short for application software
Application software
a computer program that performs a specific function(s) for the user
IT: Principles of Information Technology – Identifying File Types, Purposes, and Extensions Copyright © Texas Education Agency, All rights reserved.
Trade & Industrial Education

5. Application Software
Types of applications
Graphic application software lets you edit image files.
There are many software applications that play songs and videos.
Executable program files launch specific software or application packages
IT: Principles of Information Technology – Identifying File Types, Purposes, and Extensions Copyright © Texas Education Agency, All rights reserved.
Trade & Industrial Education

6. ASSIGNMENT 1 – DUE TODAY
LOOK ON YOUR PHONE OR ON THE COMPUTER AND FIND 10 APPS THAT HAVE BEEN CREATED IN THE LAST YEAR AND ANSWER THE FOLLOWING QUESTIONS:
WHAT IS THE NAME OF THE APP, HOW MUCH DOES IT COST?
WHAT DOES IT DO SPECIFICALLY?
HOW CAN SOMEONE WHO DOES NOT KNOW ABOUT THE APP FIND EXACTLY HOW TO GET TO IT?
FIND A PICTURE OF THE ICON THAT REPRESENTS THE APP AND PASTE IT ON YOUR PAPER
IF YOU COULD CHANGE THE APP, HOW WOULD YOU?
HOW MANY STARS WOULD YOU RATE THE APP (FROM 1 TO 5)?
TYPE AND ANSWER THE QUESTIONS IN MICROSOFT WORD AND PRINT BEFORE THE END OF CLASS.

7. File Extensions
Using the “my computer” icon or “my files” icon/folder, you can view a list of files contained on your computer.
Each file displays an icon, the filename, and an extension.
The filename is followed by a period and then an extension.
IT: Principles of Information Technology – Identifying File Types, Purposes, and Extensions Copyright © Texas Education Agency, All rights reserved.
Trade & Industrial Education

8. File Extensions You can identify a file by its extension
.bmp, .jpeg, .jpg, .tiff, .tif, .gif, and .png are examples of image or graphic files
.mpeg4,.mp4, .avi, .mov, and .wmv are examples of video files
It should be noted that .avi and .mp4 (.mpeg4) files can be both audio and video files.
IT: Principles of Information Technology – Identifying File Types, Purposes, and Extensions Copyright © Texas Education Agency, All rights reserved.
Trade & Industrial Education

9. File Extensions
.mp2, .mp3, .mp4 (or .mpeg4), .wav, .avi, .wma, .mid are examples of audio files
.exe and .bat executable program files
IT: Principles of Information Technology – Identifying File Types, Purposes, and Extensions Copyright © Texas Education Agency, All rights reserved.

10. File Extensions Identify a file by its extension:
.bmp, .avi, .exe., jpeg or jpeg, .mp2, mp3, .wav, .wmv, .bat, .tif or .tiff, .gif, .png., wma, .mpeg4, mp4, .mid., .pdf, ppt., doc., .exl
Image Files
Audio Files
Video Files
Executable Program Files
SOFTWARE PROGRAM
IT: Principles of Information Technology – Identifying File Types, Purposes, and Extensions Copyright © Texas Education Agency, All rights reserved.
Trade & Industrial Education

11. File Extensions
It is important to remember that there are many audio, video, and image file extensions that are not mentioned in this lesson. This lesson focuses on the most common file extensions.
IT: Principles of Information Technology – Identifying File Types, Purposes, and Extensions Copyright © Texas Education Agency, All rights reserved.
Trade & Industrial Education

12. Choosing the Right Application
Choose the correct application to open your file according to its type and extension
Every computer comes with software that can open picture, video, and audio files. These are generally the “default” programs used when files of this type are accessed. However, you are not limited to these programs. There are many to choose from.
Also, if you choose the wrong application, the document will open but there will just be squares or other symbols on the page.
IT: Principles of Information Technology – Identifying File Types, Purposes, and Extensions Copyright © Texas Education Agency, All rights reserved.
Trade & Industrial Education

13. File Manipulations
Folders are a great way to help you organize your files
To create a new folder
Navigate to the disc or drive where you save your work
Click on the File option
Choose New from the drop down menu
Choose Folder
Type in the name you want to give your folder
Use something descriptive that will help you identify the contents of the folder
IT: Principles of Information Technology – Identifying File Types, Purposes, and Extensions Copyright © Texas Education Agency, All rights reserved.
Trade & Industrial Education

14. File Manipulations You can create as many folders as you need
You could create a folder named Processing Files and save all your letters and reports in this folder
You could create folders named for each of the classes you are taking this year
There are many different ways to organize folders and files
Use the method according to your instructor’s directions
IT: Principles of Information Technology – Identifying File Types, Purposes, and Extensions Copyright © Texas Education Agency, All rights reserved.
Trade & Industrial Education

15. File Manipulations To create a copy of an existing file
Right-click on the filename
On the drop down menu that appears, choose Copy
Right-click in a blank area of the screen
On the drop down menu that appears, choose Paste
You will see the original file and the copied file
The copied file will have the word copy in the filename
IT: Principles of Information Technology – Identifying File Types, Purposes, and Extensions Copyright © Texas Education Agency, All rights reserved.
Trade & Industrial Education

16. File Manipulations To rename an existing file
Right-click on the filename
On the drop down menu that appears, choose Rename
The filename will then be highlighted—just start typing the new name
Be sure to leave the extension and the period at the end
Strike the enter key when finished
IT: Principles of Information Technology – Identifying File Types, Purposes, and Extensions Copyright © Texas Education Agency, All rights reserved.
Trade & Industrial Education

17. File Manipulations To delete an existing file or folder
Right-click on the filename or folder name
On the drop down menu that appears, choose Delete
You will get a delete file message asking if you are sure you want to permanently delete this file.
Click YES to delete the file.
IT: Principles of Information Technology – Identifying File Types, Purposes, and Extensions Copyright © Texas Education Agency, All rights reserved.
Trade & Industrial Education

18. Lesson Summary
Application software is a computer program that performs a specific function(s) for the user
A file type can be identified by looking at its extension
Example: MyDrawing.bmp is an image file
MyVideo.wav is a video file
My Music.mp3 is an audio file
Setup.exe is an executable program file
IT: Principles of Information Technology – Identifying File Types, Purposes, and Extensions Copyright © Texas Education Agency, All rights reserved.
Trade & Industrial Education

19. Lesson Summary
Various software applications perform different functions and are used for different purposes.
Folders are created and named appropriately to help organize files.
Files and folders can be created, named, renamed, moved, and deleted.
IT: Principles of Information Technology – Identifying File Types, Purposes, and Extensions Copyright © Texas Education Agency, All rights reserved.
Trade & Industrial Education