计算机专业英语第一章.ppt

计算机专业英语 王玲 E-MAIL:wangl723@ 目 录 Unit One Computer Fundamental Unit Two Hardware Component Unit Three The Operating System Unit Four Database Management Software Unit Five Network technology Unit Six Graph and Image Processing and Animation Design Introduction and Development of Computer Lesson One The Computer System Lesson Two Evolution of Computers Lesson Three System Components of Computers Lesson One The Computer System In order to use computers effectively to solve problems in our environment, computer systems are devised. A ‘system’ implies a good mixture of integrated parts working together to form a useful whole. Computer systems may be discussed in two parts that include both hardware and software. in order to 为了 effectively adv.有效地 solve vt.解决 environment n.环境，外界 devise vt.设计，作出（计划）；n.遗赠 imply vt.暗示，意味 mixture n.混合，混合物 integrate vt.使成整体；v.结合 form n.形式，外形；v.形成，构成 be discussed in 被分为 include vt.包含，包括 both…and… 不但…而且…； 既…又… The physical components of a computer－the processor, memory, input devices, and output devices－are its hardware. You can see them, touch them, and feel them. physical components Software is a general term for programs. Software, in contrast, can not be seen, touched, or felt. It is a series of instructions that guides a computer through some process. Computer software can be divided into two very broad categories－systems software and applications software. term n.学期，术语 in contrast 相反，大不相同 a series of 一连串的 instruction n.指示，指令 guide n.向导；vt.带领；vi.任向导 process n.过程，步骤；vt.加工，处理 be divided into 被分成 broad adj.宽的；adv.宽阔地；n.宽阔部分 categories n.种类，别 The former is often simply referred to as ‘systems’. These, when brought into internal mem