On May 2nd, ISRO(Indian Space Research Organisation) unveiled a new super computer SAGA-220 which is 1.5times faster than EKA(previous fastest in India)Supercomputer:
A computer that tries to do a job like analysing several trillion data points in no time is a super computer. It looks like cupboards stacked against a wall. Once, at the time of invention of normal computer by Charles Babbage,today's normal computers are assumed to be super computers then.
Speed:
A supercomputer is about speed. Its processing speed is measured in floating point operations per second (flops), or the number of calculations a supercomputer can perform in a second. For example, Isro's SAGA-220 logs in at 220 teraflops.Future is of zetaflops (1 zeta has 21 zeroes). The speed of a normal PC is 1 kiloflop.
Normally for our household purposes we use internet speeds less than 1 Mbps but supercomputers need speeds of 20 Gbps.
Purpose:
They are used to do massive calculations at high speeds. For example, consider oil exploration. It costs a company a lot to dig and find out resources available. So, before digging an oil well, geologists study an area and generate several million data points on metrics like temperature, density and pressure. Supercomputers are used here. They carry out the process at such a high pace and helps the geologists in decision making.
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