Review Notes.docx

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Department
Computer Science
Course
Computer Science 1033A/B
Professor
Vivi Tryphonopoulos
Semester
Winter

Description
Review Notes http://www.csd.uwo.ca/courses/CS1033/Fall Lecture #2 - INTRO TO MULTIMEDIA 1. What is Multimedia • Describes any application or technology that can be used to present: text, images, sound, video, animation 2. History: Arpanet, Internet, Google, WWW, Yahoo 3. No need to know statistics chart on Internet use 4. Multimedia Components: Text, images, sound, video, animation 5. Multimedia Features: Interactivity, Hyperlinking, Computer-based delivery 6. Text Attributes: Font Type, Font Size, Style(bold, italics),Color Special Effects (underline, Superscript, subscript), Kerning, Tracking, Leading 7. Differences: Pixel vs Points (don’t memorize table comparison- just understand trends) 8. Colour and representation: hexadecimal 9. Design Considerations: • Do’s and Dont’s: body of text, # of fonts used, serif vs. sans serif • CRAP Principles Lecture #3 - Using GRAPHICS in Multimedia 1. What is Sampling and Quantizing mean with images? 2. Digitization and bits, bytes: definition 2 = 2 values (0, 1) 2 2 = 4 values (00,01,11,10) 2 = 8 values 1. What is an Image? Pixels 2. Colour Models: RGB vs CMYK, for web vs. printer 3. RGB vs Hexadecimal 4. Types of Graphics: Bitmapped vs Vector-Based • What happens to file Size and Quality with bitmapped vs Vector-based 5. Resolution pertaining to Cameras vs Screen Monitors 6. Graphics Attributes: Resolution and Image Bit Depth 7. File Formats: • Universally Supported vs Proprietary • File extensions • Which file formats are bitmapped vs. vector-based (know a couple of each) • File Formats to fit the Task (jpg- photorealistic; .gif-clipart) 8. Sources of Graphics (not much here) 9. Graphics Software: Drawing Programs vs Paint Programs 10. Design Considerations: File size, format, colour resolution 11. File Transfer (uploading, panther and publish area – syntax for urls, file Lecture #4 - Using GRAPHICS in Multimedia 1. Optimization Techniques: (a lot of information) • File Format – choosing .jpg or .gif why? • GIF Properties, .JPG Properties • Reduce File Size (resizing) • Reducing Colour Resolution (24 bits, 16 bits, 8 bits) • Lossy (.jpg - data is discarded) 2. Gif Optimization: Dithering, Transparency, interlacing, compression , colour resolution etc. 3. Jpg Optimization: Quality setting, compression ratio 4. What is a browser safe pallette? 5. Difference between: Lossless, Lossy 6. When to use .jpg and .gif 7. Png attributes – adv, disadv. 8. Animated gif attributes - advantages, disadvantages 9. Capturing images by Scanning - printing a scanned image – what size will it be? 10. Capturing images by digital camera - what size print can you get from a camera? 11. Displaying images on a screen – Amount of space the image takes up on the screen is dependent on what? Lecture #6 – Web Site Creation Process 1. Stages of Creating a Website (what happens in each stage) 2. File Organization: folders, images, levels 3. Understanding how to reference a URL if uploaded to panther or on the P: drive if a file directory was provided (go
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