what is the term which differentiate the Apple A7 and Apple A8 system on a chips?
Apple A7 The Apple A7 is a 64-bit system on a chip (SoC) designed by Apple Inc. It first appeared in the iPhone 5S, which was introduced on September 10, 2013. Apple states that it is up to twice as fast and has up to twice the graphics power compared to its predecessor, the Apple A6. While not the first 64-bit ARM CPU, it is the first to ship in a consumer smartphone or tablet computer.
Power Macintosh 7100 The Power Macintosh 7100 is a personal computer that was designed, manufactured and sold by Apple Computer Inc. from March 1994 to January 1996. It is the mid-range machine of the first generation of Power Macintosh line, between the Power Macintosh 6100 and the Power Macintosh 8100. The 7100 re-used the Macintosh IIvx case with few changes. There were two versions of the 7100; the original 66 MHz version and an 80 MHz version that replaced it in January 1995.