unit 2 system board

1、COMPUTER ENGLISHSystem boardCOMPUTER ENGLISHContentsReview1Motherboard2Motherboards architecture3BIOS Configuration4COMPUTER ENGLISH1 ReviewOutput deviceInput deviceJoystick操纵杆操纵杆Sound box音箱音箱Touch sensitive Screen触摸屏触摸屏mike麦克风麦克风mouse鼠标鼠标projector投影仪投影仪Digitizing tablet数字写字板数字写字板scanner扫描仪扫描仪keyboa

2、rd键盘键盘COMPUTER ENGLISH1 Review1. joystick n.操纵杆操纵杆2. clinical adj.临床的临床的3. cursor n.指针指针4. digitize v.将资料数字化将资料数字化5. tablet n.写字板，书写板写字板，书写板6. outline n.大纲，轮廓大纲，轮廓7. sound box 音箱音箱8. stylus n.铁笔铁笔9. beam n.束，柱，电波束，柱，电波10.capture v .捕获，夺取捕获，夺取11.Scanner n.扫描仪扫描仪12.handy adj.手边的，就近的手边的，就近的13.recognize

3、 vt. 识别识别14.analyze vt. 分析分析15.Projector n.放映机放映机16.Digital cammera 数码相机数码相机COMPUTER ENGLISH2 课文解析课文解析 System board (Motherboad)2.1 导读导读The main(主要的主要的) board is also known as the system board or motherboard. The system board is the communications (通信通信) web (网络网络) for the entire (整个整个) computer sys

4、tem. Every component of the base(system) unit(主机主机) connects directly (直接地直接地) to the motherboard. It acts as a data path (路径路径) allowing the various (各种各种各 样 的各 样 的 ) c o m p o n e n t s ( 元 件元 件 ) t o communicate (通信通信) with one another. External devices such as keyboard, m o u s e a n d m o n i t

5、 o r c o u l d n o t communicate with the base unit without the motherboard.COMPUTER ENGLISH2.1 导读导读On a desktop computer, the motherboard is located(位于位于) at the bottom (底部底部) of the base unit. It is a large flat circuit board with sockets (插槽插槽) and other electronic (电子的电子的) parts (零件零件), includin

6、g a variety of（各种）（各种） chips (芯片芯片). COMPUTER ENGLISH2.2 重点讲解重点讲解Users can insert(插入插入) optional (可选的可选的) devices known as expansion (扩展扩展) cards into these slots. Expansion cards are also called plug-in boards (插入板插入板), controller cards (控制卡控制卡), adapter cards (适配卡适配卡) , and interface cards (接口卡接口卡

7、). Network adapter cards (网络适配卡网络适配卡) are used to connect a computer to one or more other computers. This forms (形成形成) a communication (通信通信) network whereby (借此借此) users can share (分享分享) data, programs, and hardware. COMPUTER ENGLISH2.2 重点讲解重点讲解Video adapter cards (视频适配卡视频适配卡) are used to adapt (适应

8、适应) a variety of(各种各种) color video display monitors(彩色视频彩色视频显示器显示器) to a computer. CD-ROM cards(光盘驱动卡光盘驱动卡) connect optical disk drives (光盘驱动器光盘驱动器), and sound boards(声卡声卡) can record(记录记录) and play back (回放回放) digital sound (数字声数字声音音).COMPUTER ENGLISH2.2 重点讲解重点讲解Plug and play (即插即用即插即用) is a set(套套

9、) of hardware and software standards (标标准准) developed(开发开发) by Intel, Microsoft and others. Bus line (总线总线) -also known as data bus(数据总线数据总线) or simply bus(单一总线单一总线)connects the parts of the CPU to each other. principal (主要的主要的) bus lines are： Industry standard architecture (ISA) (工工业标准结构业标准结构)Perip

10、heral component interconnect (PCI) (周边元件扩展接口周边元件扩展接口) Accelerated graphics port (AGP)(加速图形加速图形接口接口)COMPUTER ENGLISH2.2 重点讲解重点讲解A port(端口端口) is a connecting socket (插槽插槽) on the outside (外部外部) of the system unit. Some ports, like the mouse, keyboard, and video ports, are for specific devices. Others,

11、 like those listed below, can be used for a variety of different devices. Serial ports (串行端口) Parallel ports (并行端口) Universal serial bus(USB) (通用串行总线)High performance serial bus(HPSB)(高性能串行总线)COMPUTER ENGLISH2.4 key wordsMotherboardExpansion cardsNetwork adapterVideo adapterCD-ROMSoundSlotPlug and p

12、layBus lineISAPCIAGPPORTSerial Parallel USBHPSB主板主板 扩展卡扩展卡 网络适配卡网络适配卡 视频适配卡视频适配卡 光盘驱动卡光盘驱动卡 声卡声卡插槽插槽 即插即用即插即用 总线总线 工业标准结构工业标准结构 周边元件扩展接口周边元件扩展接口 加速图形接口加速图形接口端口端口 串行端口串行端口 并行端口并行端口 通用串行总线通用串行总线 高性能串行总线高性能串行总线COMPUTER ENGLISH3 Motherboards architectureCPU SlotPower SocketBIOS ChipFloppyInterfaceIDE In

13、terfaceMotherBoardChipsAGP SlotMemory SlotBatteryI/O PortsPCI SlotCPU插槽插槽电源插座电源插座BIOSBIOS芯片芯片软驱软驱接口接口IDE接口接口主板芯片组主板芯片组AGP 插槽插槽内存插槽内存插槽电池电池I/O端口端口PCIPCI插槽插槽COMPUTER ENGLISH3 Motherboards architureCPU SlotPower SocketBIOS ChipFloppyInterfaceIDE InterfaceMotherBoardChipsAGP SlotMemory SlotBatteryI/O Po

14、rtsPCI SlotCPU插槽插槽电源插座电源插座BIOSBIOS芯片芯片FloppyFloppy接口接口IDE接口接口主板芯片组主板芯片组AGP 插槽插槽内存插槽内存插槽电池电池I/O端口端口PCIPCI插槽插槽4 常用的常用的BIOS Configuration4.1 BIOS 基本选项基本选项4.2 STANDARD CMOS SETUP4.3 BIOS FEATURES SETUP4.4 POWER MANAGEMENT SETUP WORDS AND ABBREVIATIONS COMPUTER ENGLISH6.NEW WORDS AND EXPRESSIONS7.port n.端口端口8.adapter card 适配卡适配卡 9.Network 网络网络10. Video 视频视频11. CD-ROM 光盘驱动器光盘驱动器12. Bus line (总线总线)13. slot n. 槽槽14.