INTRO to BINARY & HEXADECIMAL, including Two's Complement (Signed Integer)
This video uses your knowledge of our everyday decimal number system to give you an easy to understand introduction to both binary and hexadecimal, the two number systems used throughout computer science and digital electronics.
Contents...
00:00 decimal, binary, hexadecimal
00:18 decimal recap
01:38 dec vs bin vs hex
03:23 familiar decimal counting
05:00 dec and binary side-by-side
07:03 binary, great for digital electronics
08:49 dec, bin, hex side-by-side
16:12 Binary signed-integers, two's compliment.
28:15 digit index positions
29:57 raising base to the index position
33:24 binary digit index positions
37:25 shifting to divide, multiply
38:06 each bit doubles available unique values
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