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# What can a computer do?

A computer can "do" only ONE thing. It can ADD 1's and 0's. Period.no other mathematical function exists for a computer CPU other thanthe addition of binary numbers. it can ad…d. it ends there.Everything you see, video, printouts, internet... everything is theresult of the addition of 1's and 0's. It's really not complicated.In theory, computers can do any "computation" which is a fancy wayof saying they can take numerical input, perform mathematicaloperations on them, and then return numerical output. Of course,people don't like numerical input and output, so we've inventedfancy ways to encode things like text and pictures into numbers, sowe can have our computers do stuff like spell check and send thingsover the internet. Now, to get the subtraction, squaring, multiplication, division -ALL other mathematical functions the computer adds 1's and 0's increative ways utilizing the Most Significant Bit and the LeastSignificant Bit (MSB and LSB are the bits at either end of whateverlength byte word it's using. To answer "what can I do with a computer: A computer can do many things. It can print out documents, it canlet you surf the internet, and it can store photos. You canexchange e-mail, listen to music, watch movies or television shows,buy things, browse the web, play games, and a multitude of otherthings. Most people use computers for word processing (typing andediting stuff), surfing the internet (getting articles and picturesfrom other people's computers), and playing games. But, it is allbased on 1's and 0's. They can do math, but that's it.In general, computers process data. (MORE)