7 Developer : Tangerine Computer Systems Manufacturer : Tangerine Computer Systems OS : Tangerine/Microsoft Extended Basic v1.0 Year of Release : 1982 Units sold : 210000 CPU : MOS 6502A @ 1 MHz Memory : 16 KB / 48 KB Storage : Tape recorder, 300 and 2400 baud Graphics : 40×28 text characters/ 240×200 pixels, 8 colours