1. A computer family is a category of computers with the same designs and microprocessors that are compatible with each other. A good example of different computer families are the IBM or PC family versus the Apple or Mac family of computers.
2. In general, a family is a group of products that have similarities, are compatible, or made by the same manufacturer. For example, the Intel Pentium II computer processors are in the same family of processors as they have similar instruction and are compatible with each other.