Image Type, Resizing, Resolution

• What does image quality mean?
• What is resolution?
• What is a “baseline” JPEG?
• What is a progressive JPEG?
• What does image resolution mean?
• How does image resolution play out on my computer monitor?
• How big a print can I make from a 640 × 480 image?
• Rules of thumb for print size vs. resolution
• How to resize an image for a digital Art Projector