ZX SPECTRUM

Release date: April 1982 
Processor: Zilog Z80A (3.54 MHz) 
Memory: 16K/48K RAM, 16K ROM 
Video: 32 columns by 22 rows 
Screen resolution: 256 by 192 pixels 
Colours: blue, red, magenta, green, cyan, yellow, white, black
Sound: 1 channel, 5 octaves 
Size: 232 x 144 x 30 mm 
I/O: Z80 bus, tape, RF television 
Storage: External tape recorder, microdrive