Bitmap and Vector Images
Bitmap Images are mostly used on the web and the computer. Bitmap images are composed of individual pixels, and each pixel contains its own colour information. A pixel is really small, and a single image may be composed of hundreds of thousands or individual pixels. The pixels cannot be seen unless the image has been magnified.
The formats in which bitmap images can be saved in are: 
• BMP
• GIF
• JPEG, JPG
• PNG
• PICT (Macintosh)
• PCX
• TIFF
• PSD (Adobe Photoshop)
The programs in which you can create these bitmap images are:
• Microsoft Paint
• Adobe Photoshop
• Corel Photo-Paint
• Corel Paint Shop Pro
• The GIMP
Vector images are composed of pixels, the images consist of points, lines, and curves and when combined can create complex images. When a vector image is enlarged it keeps its quality, unlike the bitmap image, which looses its quality and clarity.
Formats in which vector images can be saved are: 
• AI (Adobe Illustrator)
• CDR (CorelDRAW)
• CMX (Corel Exchange)
• CGM Computer Graphics Metafile
• DXF AutoCAD
• WMF Windows Metafile
Programs that are used to create vector images are:
• Adobe Illustrator
• CorelDRAW
• Xara Xtreme
• Serif DrawPlus
