How does a computer work?

Today we were learning about how our computers work, and we discovered something called binary. So apparently binary is a bunch of 0's and 1's, which are translated by the GPU (Graphics Processing Unit), e.g 01001000,01101001 would be translated to 'HI'. We were asked to spell our name using binary, so here is mine.

01001101,01100001,01110010,01101011 (Mark)