1.   But there is concern that the unequal distribution of technology between rich and poor campuses will create a system of computer haves and have-nots.

2.   Does anybody, after all, have a computer in the kitchen?

3.   Ed Epstein, the school principal, said the purchase is intended to eliminate the gap between the computer haves and have-nots.

4.   For the last decade Washington has been fretting over the supposed gap between computer haves and have-nots.