Raspberry Pi. This has an ARM710 CPU, Two USB Slots, a HDMI connection for the Monitor or TV, Linux Operating System on an SD Card, an Ethernet Connection, a Headphone Socket and lots of other stuff all on a single 3 1/2" by 2" Circuit Board.
Sinclair ZX Spectrum 48K
BBC B
Apple II Europlus
Advanced Micro Devices Am486 DX4-100 Central Processing Unit
