▁supports ▁four ▁screen ▁modes ; ▁ 3 2 x 1 6 ▁characters ▁with ▁ 4 ▁colors , ▁ 6 4 x 4 8 ▁pixel ▁graphics ▁with ▁ 9 ▁colors , ▁ 1 2 8 x 1 9 2 ▁graphics ▁with ▁ 4 ▁colors , ▁and ▁ 2 5 6 x 1 9 2 ▁graphics ▁with ▁white ▁and ▁green ▁colors . ▁The ▁R OM ▁cart ridge ▁allowed ▁the ▁user ▁to ▁easily ▁use ▁software ▁such ▁as ▁video ▁games . ▁The ▁Japanese ▁version ▁uses ▁a ▁ch ic let ▁keyboard ▁while ▁a ▁North ▁American ▁version ▁( PC - 6 0 0 1 A ) ▁uses ▁a ▁type writer ▁keyboard . ▁ ▁PC - 6 0 0 1 mk II ▁▁ ▁The ▁PC - 6 0 0 1 mk II ▁has ▁ 6 4 ▁K B ▁memory , ▁ 1 6 ▁K B ▁video ▁RAM , ▁a ▁ 5 ¼ - inch ▁ 2 D ▁flo ppy ▁drive ▁interface , ▁Kan ji ▁character ▁generator , ▁R GB ▁monitor ▁out , ▁speech ▁synth es izer ▁unit ▁and ▁a ▁type writer ▁keyboard . ▁It ▁supports ▁following ▁screen ▁modes ; ▁ 4 0 x 2 0 ▁characters , ▁ 8 0 x 8 0 ▁pixel ▁graphics ▁with ▁ 1 5 ▁colors , ▁ 1 6 0 x 2 0 0 ▁graphics ▁with ▁ 1 5 ▁colors , ▁and ▁ 3 2 0 x 2 0 0 ▁graphics ▁with ▁ 4 ▁colors . ▁ ▁References ▁▁ ▁Notes ▁N EC ▁PC ▁ 6 0 0 1 , ▁O LD - COMP UT ERS