6 0 . ▁It ▁is ▁derived ▁from ▁the ▁Greek ▁word ▁ ▁, ▁meaning ▁" mon ster ". , ▁but ▁there ▁is ▁clearly ▁also ▁a ▁con notation ▁with ▁the ▁Greek ▁word ▁t etra , ▁meaning ▁" four ", ▁similar ▁to ▁the ▁subsequent ▁prefix ▁names . ▁ ▁Early ▁usage ▁of ▁the ▁word ▁ter aby te ▁in ▁computer ▁science ▁include : ▁ ▁Opt ical ▁disk ▁storage : ▁ 1 9 8 5 ▁ ▁Super comput er ▁mass ▁storage : ▁ca . ▁ 1 9 9 2 ▁( dec imal ▁usage ) ▁▁▁ ▁Super comput er ▁memory : ▁ 2 0 0 5 ▁( binary ▁usage ) ▁Hard ▁disk ▁drives : ▁ 2 0 0 7 ▁( dec imal ▁usage ) ▁T ape ▁drives : ▁ 2 0 1 0 ▁( dec imal ▁usage ) ▁Mother board ▁memory : ▁ 2 0 1 1 ▁( binary ▁usage ) ▁ ▁Illustr ative ▁usage ▁examples ▁Ex amples ▁of ▁the ▁use ▁of ▁ter aby te ▁to ▁describe ▁data ▁sizes ▁in ▁different ▁fields ▁are : ▁▁ ▁Library ▁data : ▁The ▁U . S . ▁Library ▁of ▁Congress ▁Web ▁Capt ure ▁team ▁claims ▁that ▁ ▁the ▁library ▁had ▁" collect ed ▁about ▁ 5 2 5 ▁ter aby tes ▁of ▁web ▁archive ▁data " ▁and ▁that ▁it ▁was ▁adding ▁about ▁ 5 ▁ter aby tes ▁per ▁month ▁(" one ▁ter aby te ▁= ▁ 1 , 0 2 4 ▁gig aby tes "). ▁ ▁Computer ▁hardware : ▁Hit achi ▁introduced ▁the ▁world ' s ▁first ▁one ▁ter aby te ▁hard ▁disk ▁drive