Fastest super computer on earth is Japanese super computer named as K Computer. On november 2011,it has processing power of more than 10.51 petflops. From this, it mean that , it can process 10.51 quadrillion calculations per second.Fujitsu in RIKEN Advanced Institute for Computational Science (AICS),Kobe,Japan installed first super computer with 10.51 petaflops quadrillion calculations per second i.e 10,510,000,000,000,000,000,000,000 calculations per second.It ranked 1st on the top 500 list in developing fastest computer which was published at SC11 conference on November 15, 2013.