Some researchers are trying to get a memory cell capable of having 3 states instead of 2.
1) How many memory cells, in principle and as a rough estimate, does a typical 1 megabyte memory chip has? is it 8*1024 cells?
2) If you have N memory cells, each has x logical levels, what is the number of possible representations that we can get out of it? is it x^N representations?
Let's take Binary system as an example. Say we have 8*1024 memory cells. We can store only one of the possible 2^N representations in each cell, so at the end the number of stored bits is just N=8*1024. Now, for Ternary system, the gain is log2(3) ~ 1.58 times so we can store ~ 1.58 * 8 * 1024 "bits" or 8*1024 "trits".
Correct? EDIT: sorry I meant 8*1024*1024.