Understanding ASCII and Other Forms of Data
Learn how computers represent text using ASCII and Unicode, understanding numerical values for characters. Discover how images are made of pixels with RGB values, videos as sequences of images, and sound as waveforms, providing a foundational grasp of data forms in programming.
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We'll cover the following...
Using the ASCII table
If we give each letter of the English alphabet a numerical value, we could represent text with numbers. We could, for example, say that A = 1, B = 2, and so on. The computer does not use these values for the letters, but instead, it can either use something that is called the ASCII (American Standard Code for Information Interchange) table (pronounced as-key) or another representation that is called ...