專業(yè)外語練習(xí)題 (2).doc

一、 根據(jù)英文解釋寫單詞1、 Information put into a communications system for transmission or into a computer system for processing. Input2、 A unit of a computer that preserves data for retrieval. memory3、 A basic unit of storage in a computer memory that can hold one unit of information，such as a character or word. Cell4、 A part of the central processing unit where groups of binary digits are stored as the computer is processing them. Register5、 A sequence of characters required to gain access to a computer system. Password6、 A program that observes, supervises, or controls the activities of other programs. Monitor7、 To move back and forth alternately. Reciprocate8、 One of a set of symbols, such as letters or numbers, that are arranged to express information. Character9、 A network of computers, similar to the Internet, within a particular company or organization. (computer)10、 For mobile users, firewalls allow remote access in to the private network by the use of secure logon procedures and authentication certificates. firewall11、 A document with blanks for the insertion of details or information. Form12、 On the computer screen, a folder most often looks like a yellow or blue paper file folder. 在計算機屏幕上，文件夾通?？瓷先ハ顸S色或藍(lán)色的紙質(zhì)文件夾。folder13、 To set upon with violent force . attack14、 The quality of video you see on your monitor depends on both the video card and the monitor you choose. 你在顯示器上看到的視屏質(zhì)量取決于視頻卡和你所選擇的顯示器video card、monitor15、 Star topologies are normally implemented using twisted pair cable, specifically unshielded twisted pair(UTP). ( Star topologies)16、 The compiler ignores all comments. ( compiler)17、 The technology employed in transmitting messages. 傳輸中使用的技術(shù)信息。 18、 Most general purpose computers are desktop systems. 大部分通用計算機是桌面系統(tǒng)。desktop systems.19、 Move the cursor by using the arrow keys on the keyboard. 通過使用鍵盤上的方向鍵移動光標(biāo)。arrow keys20、 A bridge is sometimes combined with a router in a product called a brouter. 網(wǎng)橋有時也和路由器結(jié)合在一起，組成叫做橋式路由器的產(chǎn)品。bridge21、 In a database record, the name or structure of a field. 在數(shù)據(jù)庫中記錄的名稱或結(jié)構(gòu)域。22、 To determine or specify the position or limits of. 確定或指定的位置或限制23、 To move back and forth alternately. Reciprocate24、 Deselect the text by clicking anywhere outside of the selection on the page or pressing an arrow key on the keyboard. 可以通過選定文本之外的任何位置或按任一方向鏈來取清選定。25、 A fireproof wall used as a barrier to prevent the spread of fire. ( firewall)26、 Nothing epitomizes modern life better than the computer. 沒有什么能比計算機更好地體現(xiàn)現(xiàn)代生活。computer27、 A short block of data transmitted in a packet switching network. Packet28、 A transmission path by which radio or other signals are sent to an aircraft or a communications satellite. Uplink29、 A real-time interaction with a computer. Conversation30、 Two or more words in sequence that form a syntactic unit that is less than a complete sentence. Phrase二、 翻譯1、 Tape must be read or written sequentially, not randomly.磁帶必須讀或?qū)懙捻樞颍荒茈S意。2、 A gateway is often associated with both a router and a switch. 網(wǎng)關(guān)通常與兩個路由器和交換機相關(guān)聯(lián)3、 The biggest problem with BASIC is portability.用BASIC最大的問題是便攜性4、 Bus is an electrical connection between the components of a computer system along which the signals or power is transmitted.總線是沿其信號或電力傳輸?shù)挠嬎銠C系統(tǒng)的組件之間的電連接。5、 New viruses come out every single day.新病毒出來的每一天6、 Intelligence is the computational part of the ability to achieve goals in the world.智能是達(dá)到世界上目的的能力的計算部分7、 It also chooses the best path between two networks when there are multiple paths.它還選擇當(dāng)存在多個路徑的兩個網(wǎng)絡(luò)之間的最佳路徑8、 A printer is an essential part of the computer if you want a hard copy of your work.如果要把你的工作硬拷貝出來的話，打印機就是你計算機的基本部分。9、 The scope of a variable is the region in the source code over which the variable is active.一個變量的范圍是在源代碼在其上的變量是活性的區(qū)域。10、 After the formula is typed into the cell, the calculation executes immediately.后式鍵入到細(xì)胞中，計算立即執(zhí)行。11、 A firewall is set of related programs located a network gateway server.A防火墻設(shè)置位于網(wǎng)絡(luò)網(wǎng)關(guān)服務(wù)器相關(guān)方案。12、 Java technology is both a programming language and a platform.Java技術(shù)既是一種編程語言和一個平臺。13、 A network typically means a group of computers working together.A網(wǎng)絡(luò)通常是指一組計算機一起工作14、 The CPU and memory are usually on the motherboard.在CPU和內(nèi)存通常是在主板上。15、 The principal types of printers include dot-matrix, daisy wheel, inkjet, and laser.打印機的主要類型包括點陣，菊花輪，噴墨，以及激光。16、 By the late 1950s, there were many researchers on AI, and most of them were basing their work on programming computers.到了50年代末，有對AI許多研究人員，其中大部分是對計算機編程基礎(chǔ)的工作。17、 The hypertext markup language is the language most frequently used to express Web pages.該超文本標(biāo)記語言是最經(jīng)常用來表示網(wǎng)頁的語言。18、 Virus scan any new programs or other files that may contain executable code before you run or open them, no matter where they come from.病毒掃描任何新程序或其他文件可能包含可執(zhí)行代碼運行之前或打開它們，無論他們來自哪里。19、 In the simplest networks, a switch is not required for messages that are sent and received within the network.在最簡單的網(wǎng)絡(luò)時，不需要為發(fā)送和接收網(wǎng)絡(luò)內(nèi)的消息的開關(guān)。20、 Most general purpose computers are desktop systems.大多數(shù)通用計算機的桌面系統(tǒng)21、 Move the cursor by using the arrow keys on the keyboard.通過使用鍵盤上的箭頭鍵將光標(biāo)移動。22、 Machine language consists of the raw numbers that can be directly understood by a particular processor.機器語言包括可直接理解的特定處理器的原始數(shù)字23、 Freeware is software that is available for free with no strings attached.免費軟件是軟件是免費提供的，沒有附加條件。24、 A video card is the part of your computer that transforms video data into the visual display you see on your monitor.A顯卡是電腦的轉(zhuǎn)換視頻數(shù)據(jù)到您在顯示器上看到的可視化顯示的部分。25、 The operating system is the program that manages a computers resources.操作系統(tǒng)是管理計算機的資源的程序。26、 It loads the operating system into memory and allows it to begin operation.它加載操作系統(tǒng)到內(nèi)存中，并允許它開始運行。27、 Once youve encoded your source content, the process of creating streaming media is complete.一旦你編碼源內(nèi)容，創(chuàng)建流媒體的過程就完成了28、 Memory is typically measured in kilobytes or megabytes, and disk space is typically measured in megabytes or gigabytes.內(nèi)存通常是衡量千字節(jié)或兆字節(jié)，并且磁盤空間通常是衡量兆字節(jié)或千兆字節(jié)。29、 Computer databases typically contain aggregations of data records or files.計算機數(shù)據(jù)庫通常包含數(shù)據(jù)的記錄或文件的集合。30、 On larger networks, the trip from one switch point to another in the network is called a hop.較大的網(wǎng)絡(luò)中，從一個切換點在網(wǎng)絡(luò)中的行程到另一個被稱為一跳。三、選擇題1、( B ) is a functional unit that interprets and carries out instructions. A. memory B. processorC. storageD. network2、( A) software, also called end-user program, includes database programs, word processors, spreadsheets etc. A. Application B. SystemC. CompilerD. Utility3、( D ) is a clickable string or graphic that points to another Web page or document. A. LinkB. AnchorC. BrowserD.Hyperlink4、One of the basic rules of computer security is to change your ( D ) regularly. A. nameB. computerC. deviceD. password5、 ( A ) is not a linear structure. A. GraphB. QueueC. StackD. I-dimension array6、The usual address for a Web site is the page address, although you can enter ( C ) A. homeB. mainC. hostD. house7、 In C language, one method of communicating data between functions is by ( A ). A. arguments B. variables C. messages D. constants8、The maximum number of data that can be expressed by 8 bits is ( C ). A. 64 B. 128 C. 255 D. 2569、( D ) is the conscious effort to make all jobs similar, routine, and interchangeable. A. WWW B. Informatization C. Computerization D. Standardization10、Firewall is a ( D ) mechanism used by organizations to protect their LANs from the Internet.A. reliable B. stable C. peaceful D. security11、 Scrolling is a technique most commonly associated with ( B ).A. disk B. display C. printer D. memory12、A sequence of any number of characters enclosed in the double quotes is called a character( D ).A. array B. group C. set D. string13、 Files can be lost or destroyed accidentally. Keep( A ) copies of all data on removable storage media.A. backupB. backC. blackD. backdown14、The ( D ) controls the cursor or pointer on the screen and allo