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Computer Science 17 Online
OpenStudy (anonymous):

Binary addition question:

OpenStudy (anonymous):

1+1=10 10+1=1+1+1=??

OpenStudy (anonymous):

@TuringTest @Abhisar @dan815 @e.mccormick @Zarkon @Loser66 @paki @undeadknight26 @esshotwired @arabpride @geerky42 @DangerousJesse @AngelWilliams16 @prowrestler

OpenStudy (anonymous):

@ganeshie8

OpenStudy (arabpride):

What the french toast?! I have no clue cx sorry ~Wish i could help

geerky42 (geerky42):

10+1 = 11

OpenStudy (anonymous):

in binary?

geerky42 (geerky42):

Yes

OpenStudy (anonymous):

then 11+1=?

geerky42 (geerky42):

100

OpenStudy (anonymous):

11+ 1 100 I need an explanation

ganeshie8 (ganeshie8):

all you need to do is shift left when you get a power of two in your hands

ganeshie8 (ganeshie8):

in base10, you would shift left when you get a power of 10 similarly in base2, you count things in powers of 2 : ...2^3, 2^2, 2^1, 2^0

OpenStudy (anonymous):

@ganeshie8 i know how to transform things from base 2 to 10 to 8,16,4........ but i thought there's a better way without transforming

OpenStudy (anonymous):

*converting sorry

OpenStudy (anonymous):

Now I've think I got it guys

ganeshie8 (ganeshie8):

we don't need to convert as such, just count them using your two fingers, cut the remaining 8 :)

OpenStudy (anonymous):

thanks a lot @ganeshie8 @geerky42

ganeshie8 (ganeshie8):

1 11+ 1 100 ------- 0

ganeshie8 (ganeshie8):

since you have got a two after adding least significant bits, you carry it to left position (2^1's position)

geerky42 (geerky42):

Do you know how to count with normal number, right? You have ten symbols to use to "count." 0, the lowest value digit and 9 the highest. you just count from 0, or 1 to 9, once you reach highest value, to count next number, you just add one to ten digit, and one digit goes back to 0. Count until 19... you need to add 1 to ten digit so one digit goes back to 0, hence 20. Count until 29... you need to add 1 to ten digit so one digit goes back to 0, hence 30. And so on... It is same for binary except you only have "0" and "1"

OpenStudy (anonymous):

I figure it out that binary numbers are ordered 0,1,10,11,100,101..................

geerky42 (geerky42):

little late, oh well haha

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