September 22, 2026
1.2 Text, Sound and Image Representation
Text, Audio and Visual Media Encoding Understanding how analog data is captured, digitized, and represented in computer systems. Character Sets: ASCII (7/8 bits, up to 256 characters) vs. Unicode (16/32 bits, universal character representation including emojis and world scripts). Bitmap Images: Grids of pixels. Color depth determines the number of bits per pixel (e.g. 24-bit […]