alling . ▁ ▁Lar ger ▁score boards ▁include ▁statistics ▁on ▁the ▁players ▁in ▁the ▁game . ▁Basketball ▁score boards ▁must ▁include ▁a ▁horn ▁or ▁bu z zer ▁to ▁signal ▁the ▁end ▁of ▁a ▁period , ▁fou ls , ▁and ▁substitution s ; ▁the ▁shot ▁clock s ▁have ▁their ▁own ▁bu z zer ▁system ▁sound ing ▁a ▁different ▁oct ave ▁to ▁a vert ▁any ▁confusion ▁with ▁the ▁game ▁clock ▁system . ▁ ▁In ▁some ▁multip ur pose ▁ven ues ▁where ▁ice ▁hockey ▁and ▁basketball ▁are ▁played , ▁the ▁score board ▁unit ▁which ▁shows ▁pen alt ies ▁will ▁be ▁used ▁to ▁display ▁the ▁player ▁on ▁the ▁court , ▁number ▁of ▁fou ls , ▁and ▁points ▁scored ▁in ▁the ▁game . ▁ ▁The ▁team ▁fou ls ▁are ▁usually ▁placed ▁in ▁the ▁same ▁position ▁as ▁sh ots ▁on ▁goal ▁in ▁hockey ▁games . ▁In ▁some ▁university ▁aren as , ▁the ▁sc orer ' s ▁table , ▁which ▁has ▁tradition ally ▁been ▁used ▁for ▁displaying ▁phys ically ▁scrolling ▁advert ising ▁bo ards ▁along ▁its ▁face , ▁may ▁also ▁feature ▁either ▁a ▁traditional ▁mechanical ▁score board , ▁or ▁a ▁score board ▁display ▁within ▁a ▁LED ▁display ▁on ▁the ▁front ▁of ▁the ▁table ▁which ▁also ▁functions ▁with ▁virtual ▁scrolling ▁advert is ements . ▁ ▁Since ▁ 1 9 9 1 , ▁the ▁NBA ▁has ▁mand ated ▁that ▁each ▁shot ▁clock ▁carry ▁a ▁duplicate ▁read out ▁of ▁the ▁time ▁left ▁in ▁the ▁period ▁in ▁addition ▁to ▁the ▁shot ▁time . ▁Since ▁ 2 0 1 1 , ▁the ▁shot ▁clock ▁also