Zetta- Zetta- Zetta is a decimal unit prefix in the metric system denoting a factor of 10 or . The prefix was added as an SI prefix to the International System of Units (SI) in 1991 and has the symbol Z. Zetta is evocative of the Latin numeral , meaning "seven". Therefore it was used to denote the seventh power of 1000. A prefix of the same value, "hepta", was informally introduced a few years before the promulgation of zetta. It was formed from the Greek (), also meaning "seven". "Hepta" never received official sanction and is obsolete. Zeta (), although
Tera-10 the whole cluster. This new system should be renamed "Tera-100". Tera-10 TERA-10 is a supercomputer built by Bull SA for the French Commissariat à l'Énergie Atomique, (Atomic Energy Commission). TERA-10 was ranked 142nd on the TOP500 list in 2010. By 2015 it had dropped off the bottom of the list. It runs at 52.84 teraFLOPs (52.84 trillion floating point calculations per second) using nearly 10,000 processor cores (in about 4800 dual-core processors). It runs the Linux operating system, with an SMP kernel specially modified to handle very large symmetric clusters currently cadenced by an 8-processors central system. Its main application