By combing a number of pixels, any image can be displayed.
Sunday, August 16, 2020
RGB - System for representing colored dots
ASCII and unicode represents characters and emoji information.
The RGB system uses binary numbers to represent colored dots which in turn compose what is displayed on our computer screens.
[Source: Harvard CS50]
128514 - face with tears of joy (emoji)
Unicode number for "face with tears of joy" emoji is 128514.
Binary pattern: "111110011000000010"
[Source: Harvard CS50]
Unicode is a superset of ASCII
ASCII uses 8 bits to represent information,
Unicode uses 8 or 16 or 32 or 64 bits or more to represent information, therefore, Unicode can represent more types of characters and emoji.
Emoji are included in Unicode.
ASCII - American Standard Code for Information Interchange
.... A B C D E F G H I ....
.... 65 66 67 68 69 70 71 72 73 ....
[Source: Harvard Cs50 ]
Subscribe to:
Posts (Atom)