▁E uras ian ▁Development ▁Bank , ▁a ▁regional ▁development ▁bank ▁created ▁by ▁Russia ▁and ▁Kaz akh stan ▁ ▁Ext ensor ▁dig itor um ▁bre vis ▁mus cle ▁ ▁External ▁data ▁bus : ▁The ▁primary ▁data ▁highway ▁of ▁all ▁computers . ▁Everything ▁in ▁a ▁computer ▁is ▁tied ▁either ▁directly ▁or ▁indirect ly ▁to ▁the ▁external ▁data ▁bus . <0x0A> </s> ▁Round ▁Hill ▁is ▁a ▁town ▁in ▁L oud oun ▁County , ▁Virginia , ▁United ▁States . ▁Its ▁population ▁was ▁estimated ▁at ▁ 5 3 9 ▁in ▁ 2 0 1 0 ▁by ▁the ▁U . S . ▁Census ▁Bureau . ▁The ▁town ▁is ▁located ▁at ▁the ▁cross ro ads ▁of ▁Virginia ▁routes ▁ 7 ▁and ▁ 7 1 9 ▁( W ood gro ve ▁Road ), ▁approximately ▁ 5 0 ▁miles ▁north west ▁of ▁Washington , ▁D . C . ▁It ▁was ▁named ▁" R ound ▁Hill " ▁for ▁being ▁located ▁two ▁miles ▁n ortheast ▁of ▁a ▁ 9 1 0 - foot ▁hill ▁used ▁during ▁the ▁American ▁Civil ▁War ▁as ▁a ▁signal ▁post ▁by ▁both ▁Confeder ate ▁and ▁Union ▁troops . ▁ ▁History ▁ ▁Round ▁Hill ▁was ▁incorpor ated ▁on ▁February ▁ 5 , ▁ 1 9 0 0 . ▁From ▁ 1 8 7 4 ▁to ▁ 1 9 0 0 , ▁the ▁settlement ▁had ▁been ▁the ▁termin us ▁of ▁a ▁Washington ▁and ▁Ohio ▁rail ▁line ▁that ▁ultimately ▁became ▁the ▁Washington ▁and ▁Old ▁Domin ion ▁Rail road . ▁The ▁railway ▁allowed ▁agricult ural ▁products ▁to ▁be ▁brought ▁into ▁Washington , ▁D .