计算机专业英语TypesOfComputerSystems.pptVIP

* 计算机专业英语 信息工程系 sunny@zjc.zjut.edu.cn Unit 2Types Of Computer Systems You should be familiar with the differences among computer systems if you want to show a potential employer that you have a fundamental knowledge of computer. Computers come in a variety of sizes and shapes and with a variety of processing capabilities. potential adj.， “潜在的；可能的” 翻译时常变成“可能是未来的…”，如： “potential employer” 可译成“可能是未来的雇主”“potential customer” 表示“可能是未来的顾客” come in 有很多意思，此处的意思是“分成”。例如：Disks for computers come in two main types, floppy and hard. Types Of Computer Systems The earliest computers were quite large because of the crude technologies used; as technological improvements were made in computer components, the overall size of computers began to shrink. Today, the complete CPU of a computer can be smaller than a postage stamp. crude /kru:d/ adj.天然的, 未加工的, 粗糙的, 拙劣的 computer component 计算机部件 overall adj. 全部的, 全面的 shrink v. 收缩, (使)皱缩, 缩短 Types Of Computer Systems To provide a basis for comparing their capabilities, computers are generally grouped into four basic categories: Supercomputers, which are the powerful giants of the computer world; provide for v. 作准备, 供养, 规定to provide food and clothes for one‘s family 养家活口 group vt., vi.（常与with连用）分组；分类；归类The data can be grouped under three heads.这些资料可以分为三大类。 Supercomputers 超型计算机 (巨型机) giant adj. 庞大的, 巨大的 Supercomputers IBM Blue Gene/L Tops List as Worlds Fastest Supercomputer IBM‘s Blue Gene/L tops the list with a performance of 70.72 Teraflops, or trillions(万亿) of floating point calculations per second. IBMs primary partner, the Department of Energys National Nuclear Security Agency, will install a 360 Teraflop Blue Gene/L supercomputer in the first half of 2005. IBM has 216 supercomputer systems installed, most of any vendors (43.2 percent of the list are IBM systems). IBM has most installed computing power with over 556.9 Teraflops (49.39% of the total power on the list belongs