The ZX81 is the evolution of ZX80.
This computer have 8K ROM and 1K RAM. It was launched in March 1981 and it is the
responsable for the home computer boom.
-Zilog Z80A running at 3.5Mhz
-1K expandable to 64K with RAMPacks
-Cassete tapes at 300 baud.
-8K ZX BASIC
-Text 32x22 2 colors
-Graphics 64x44 2 colors