9 8 0 ▁at ▁the ▁request ▁of ▁the ▁company ▁CC MC ▁special izing ▁in ▁pay roll ▁and ▁account ing . ▁It ▁was ▁based ▁on ▁an ▁Intel ▁ 8 0 8 5 ▁processor , ▁ 8 - bit , ▁clock ed ▁at ▁ 2   M Hz . ▁It ▁was ▁equ ipped ▁with ▁a ▁central ▁ 6 4 K ▁byte ▁RAM , ▁a ▁keyboard ▁with ▁ 5 8 ▁al phan umeric ▁keys ▁and ▁ 1 1 ▁numeric ▁keys ▁( in ▁separate ▁blocks ), ▁a ▁ 3 2 - character ▁screen , ▁a ▁flo ppy ▁disk ▁( cap acity ▁- ▁ 1 4 0 , 0 0 0 ▁characters ), ▁a ▁thermal ▁printer ▁( speed ▁- ▁ 2 8 ▁characters / second ), ▁an ▁asynchronous ▁channel , ▁a ▁synchron ous ▁channel , ▁and ▁a ▁ 2 2 0 - vol t ▁power ▁supply . ▁Design ed ▁for ▁an ▁operating ▁temperature ▁of ▁ 1 5 – 3 5   ° C , ▁it ▁we ighed ▁ 1 2   kg ▁and ▁its ▁dimensions ▁were ▁ 4 5 ▁× ▁ 4 5 ▁× ▁ 1 5   cm . ▁ ▁It ▁ran ▁the ▁Pro log ue ▁operating ▁system ▁and ▁provided ▁total ▁mob ility . ▁ ▁Os bor ne ▁ 1 ▁ ▁The ▁Os bor ne ▁ 1 ▁is ▁considered ▁the ▁first ▁true ▁mobile ▁computer ▁by ▁most ▁histor ians . ▁Adam ▁Os bor ne ▁founded ▁Os bor ne ▁Computer ▁and ▁formed ▁the ▁Os bor ne ▁ 1 ▁in ▁ 1 9 8 1 . ▁The ▁Os bor ne