Wednesday, June 07, 2006

STUDY STUDY STUDY..
my bro juz came home from some seminar by Adam Khoo. everytime he tells me about it, it juz sounds so fun la. and everytime i go for a seminar it is juz those boring stuff wif all the boring adults.. why cant my parents send me to these types instead..
i found a fun wAy to study.. by blogging down wadeva u noe about the subject!
DEL - Digital Electronics
binary base 2
decimal base 10
hexadecimal base 16

changing binary to hexadecimal - 010111010110 = 5D6
changing hexadecimal to decimal - 5D6 = 5*16^2 + 13*16^1 + 6*16^0 = 711

backwards now
decimal to hex - 299|16
18 |16 r11(B)
1 |16 r2
0 r1
ans 12B

decimal to binary - same as hex except divide by 2 instead of 16..

signed numbers- 0 is + 1 is -
ok. end of chpter 1

Logic gate- 1 is high 2 is low
OR gate- A*B curve symbol
AND gate- A+B pointy symbol
Demorgans Theorem- [A*B]bar = A_bar+B_bar or [A+B]bar = A_bar*B_bar

.. ok the rest i dunno already.. sian back to paper work..

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