This document provides an introduction to computers and information technology. It discusses computers and their basic components, including hardware, software, operating systems and applications. It also covers different types of software like commercial, freeware and open source. The document then discusses information technology and how it is used for writing, image processing, audio processing, video processing and slide presentations. Key aspects of image processing like rotating, cropping and resizing images are described. Applications for audio processing are also mentioned.

1. Introduction to Computer and IT
Content
 Computer
 Hardware
 Software
 Operation System ( OS )
 Application
 Commercial Ware
 Freeware
 Open Source Software
 Information Technology ( IT )
 Writing
 Image Processing
 Audio Processing
 Video Processing
 Slide Presentation
 Website

2. Introduction to Computer and IT
Part 1 : Computer
Computer
 Hardware
 Software
 Operation System ( OS )
 Application
 Commercial Ware
 Piracy Software
 Freeware
 Open Source Software
 Tech Support

3. Computer
Hardware
Human Interface
( Input )
Human Interface
( Output )
Computing Unit
( CPU )
Storage
Images : http://findicons.com/pack/997/vista_style

4. Computer
Software >> Operation System
Images : http://findicons.com
Non-Graphic User Interface
MS-DOS
Terminal
Command Line
A:C:
C:DIR
C:COPY EXAMPLE.ODT D: EXAMPLE.ODT

5. Computer
Software >> Operation System
Images : http://findicons.com
Graphic User Interface
Microsoft Windows Ubuntu Mac OS X

6. Computer
Software >> Application
Images : http://findicons.com
Write it yourself…
Basic , C+ +, Pascal
Java , PHP ,etc.
10 start
20 print “Hello World!”
30 end

7. Computer
Software >> Application >> Commercial Ware
… or buy it.
Images : Internet

8. Computer
Software >> Application >> Piracy Ware
Hack it , Crack it , Steal it
You are a thief.
Images : Internet

9. Computer
Software >> Application >> Freeware + Open Source
Yes, It’s free.
You can find free applications from …
Images : Internet

10. Computer
Software >> Application >> Freeware + Open Source
Tech Support
Images : http://xkcd.com/627/

11. Introduction to Computer and IT
Part 2 [ep.1] : Information Technology
Information Technology ( IT )
 Writing
 Image Processing
 Rotate
 Crop
 Resize
 Audio Processing
 Record
 Convert
 Edit
 Video Processing
 Slide Presentation
 Website

12. Information Technology
Image Processing >> Applications
Commercial Ware
Freeware , Open Source
Images : Internet
FastStone Image Viewer
http://www.faststone.org/FSViewerDetail.htm
PhotoScape
http://www.photoscape.org
Picasa
http://picasa.google.com

13. Information Technology
Image Processing >> Rotate
90 Clockwise
Images : I took them.

14. Information Technology
Image Processing >> Rotate
90 Clockwise
Images : I took them.

15. Information Technology
Image Processing >> Rotate
90 Counterclockwise
Images : I took them.

16. Information Technology
Image Processing >> Rotate
90 Counterclockwise
Images : I took them.

17. Information Technology
Image Processing >> Rotate
Rotate Arbitrary
Images : I took them.

18. Information Technology
Image Processing >> Rotate
Rotate Arbitrary
Images : I took them.

19. Information Technology
Image Processing >> Crop
Images : I took them.

20. Information Technology
Image Processing >> Crop
Images : I took them.

21. Information Technology
Image Processing >> Crop
Images : I took them.

22. Information Technology
Image Processing >> Crop
Images : I took them.

23. Information Technology
Image Processing >> Crop
Images : I took them.

24. Information Technology
Image Processing >> Resize
Image resolution for computer screen :
CIF 352 x 288 0.1 Mega Pixels
QVGA 320 x 240 0.07 Mega Pixels
VGA 640 x 480 0.3 Mega Pixels
SVGA 800 x 600 0.5 Mega Pixels
SXGA 1280 x 1024 1.3 Mega Pixels
HD-1080 1920 x 1080 2.07 Mega Pixels
The best resolution for printing job :
300 to 400 dots per inch ( dpi )
8 x 10 inch 2400 x 3000 7.2 Mega Pixels

25. Information Technology
Image Processing >> Resize
1659 x 2019 3.3 Mega Pixels
1.71 MB

26. Information Technology
Image Processing >> Resize
Images : I took them.

27. Information Technology
Image Processing >> Resize
Images : I took them.

28. Information Technology
Image Processing >> Resize
526 x 640 0.3 Mega Pixels
84.3 KB

29. Information Technology
Audio Processing>> Applications
Commercial Ware
Freeware , Open Source
Images : Internet
Quick Media Converter
http://www.cocoonsoftware.com
Audacity
http://audacity.sourceforge.net
Adobe Audition
http://www.adobe.com/products/audition

30. Information Technology
Audio Processing>> Record
Sound Recorder
Images : Internet
Mobile Phone MP3 Recorder Applications
.amr file .mp3 file .mp3 or .wma file

31. Information Technology
Audio Processing>> Record
Images : I took them.

32. Information Technology
Audio Processing>> Convert
Images : http://www.istartedsomething.com/20060924/vista-fitted-nearly-finished
Quick Media Converter

33. Information Technology
Audio Processing>> Convert
Images : I took them.

34. Information Technology
Audio Processing>> Convert
Images : I took them.

35. Information Technology
Audio Processing>> Edit
Images : I took them.

36. Information Technology
Audio Processing>> Edit
Images : I took them.

37. Information Technology
Audio Processing>> Edit
Images : I took them.

38. Introduction to Computer and IT
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