asynchronous[' s igk ranas]a.异步的 serial[' serial]a.串行的,串联的 transmission[ t raen z'mi∫an]a.传输,发送 interface 'i n i s] 接 receive[ri'si:v]vt.接收,收到 synchronize[si6 k ran a z]v.(使)同步,(使)同时或同速进 period[' piar i ad]n.周期,循环,时期,阶段,时间问题, 时间 clock时钟 transmitter发送器,发射机 receiver接收器,接收机 necessary[ ne s i sarI]a.必要的,必需的,必须做的 ink[Ii6k]n.连接,耦合,线路,链路 teleprinter[' teI i pri n ta]n.电传打字机 telephone电话 Morse code莫尔斯电码 al 's ignal j 信号 native[' n e i t i v]a.当地的,天生的
asynchronous ［ə'ｓｉɧｋｒəｎəｓ］a. 异步的 serial ［'ｓｉəｒｉəｌ］a. 串行的，串联的 transmission ［ｔｒæ ｎｚ'ｍｉʃ əｎ］a. 传输，发送 interface ［'ｉｎｔəｆｅｉｓ］n. 接口 receive ［ｒｉ'ｓｉ:ｖ］vt. 接收，收到 synchronize ［'ｓｉɧｋｒəｎａｉｚ］v. (使)同步，(使)同时或同速进 行 period ［'ｐｉəｒｉəｄ］n. 周期，循环，时期，阶段，时间问题， 时间 clock 时钟 transmitter 发送器，发射机 receiver 接收器，接收机 necessary［'ｎｅｓｉｓəｒｉ］a. 必要的，必需的，必须做的 link ［ｌｉɧｋ］n. 连接，耦合，线路，链路 teleprinter ［'ｔｅｌｉｐｒｉｎｔə］n. 电传打字机 telephone 电话 Morse Code 莫尔斯电码 signal ［'ｓｉgｎəｌ］n. 信号 native ［'ｎｅｉｔｉｖ］a. 当地的，天生的
fundamental[.fAnd'ment1]a.基本的,根本的,(十分)重 要的 plit [s pl i tj 分开,劈开,分割,分离 Incoming[ i n kam i6]a.进来的,入射的,输入的 stream [s t r i: m] 流,束,潮流,倾向 individual[.indi' v i djua1]a.分别的,各个的,单独的,个体 的,独立的 unit['ju: n i t]n.单元,元件,成分,装置,设备,组(合),机组 块体 group['gru:p]v.组合,分组,群聚,聚集 character[ kaer i k ta]n.字母,字符,符号,字,电码组合,角 色,人物 dot[dt]n.圈点,小数点 dash[da∫]n.破折号,长划线,猛冲,冲锋 separate[' separe i t]v.(使)分离,(使)分隔,隔开,区分, 分类 intersymbol[.inta'simb1]a.码间的,符号间的 intercharacter[.inta" karika]字符间的 duration[djua'rei∫an]n.持续时间,延续时间 examine[ig' z ae m I n]v.检查,审查,实验,研究,探讨,测验, 考试 divide[di'vaid]v.分开,分配,分割,划分,等分 bitn.比特
fundamental ［ˏｆʌｎｄə'ｍｅｎｔｌ］a. 基本的，根本的，(十分)重 要的 split ［ｓｐｌｉｔ］v. 分开，劈开，分割，分离 incoming ［'ｉｎｋʌｍｉɧ］a. 进来的，入射的，输入的 stream ［ｓｔｒｉ:ｍ］n. 流，束，潮流，倾向 individual ［ˏｉｎｄｉ'ｖｉｄｊｕəｌ］a.分别的，各个的，单独的，个体 的，独立的 unit ［'ｊｕ:ｎｉｔ］n. 单元，元件，成分，装置，设备，组(合)，机组， 块体 group ［'ｇｒｕ:ｐ］v. 组合，分组，群聚，聚集 character［'ｋæ ｒｉｋｔə］n. 字母，字符，符号，字，电码组合，角 色，人物 dot ［ｄɔｔ］n. 圈点，小数点 dash ［ｄæ ʃ］n. 破折号，长划线，猛冲，冲锋 separate ［'ｓｅｐəｒｅｉｔ］v. (使)分离，(使)分隔，隔开，区分， 分类 intersymbol［ˏｉｎｔə'ｓｉｍｂｌ］a. 码间的，符号间的 intercharacter［ˏｉｎｔə'kæ riktə］ 字符间的 duration ［ｄｊｕə'ｒｅｉʃəｎ］n. 持续时间，延续时间 examine ［ｉg'ｚæ ｍｉｎ］v. 检查，审查，实验，研究，探讨，测验， 考试 divide ［ｄｉ'ｖａｉｄ］v. 分开，分配，分割，划分，等分 bit n. 比特
IngenIous[in'i:njas]a.精巧的,精致的 format n.格式,形式 orient[': rien t]vt.定向,定(方)位,标定,(使)适应,朝向 invariably[in' variabl i]ad.不变地,总是,一定,永恒地 emprise[kam' pr a i s]vt..包含,包括,由组成 plus[pI∧s]prep.加上,加,外加;a.正的 control[kan' t roul]n.控制 frequently['fri: k wan tI i]ad.时常,频繁地 correspond[,kris'pnd]ⅵ.相当,对应,符合,一致 correspond to相当于,与相对应,与相吻合,与一致 encode[in"koud]v.编码 initially[i'ni∫ali]ad.最初,开头,一开始 idle[ a i d 1]a.闲置的,空闲的 traditionally[tra'di∫ anal i ]ad.传统地,惯例地 mark level信号电平 logica!l['1ika1]a.逻辑的 space level空号电平 successive[sak' ss I v]a.连续的,顺序进行的,逐次性的 parity[' p ae r i I]n.奇偶性 calculate[ k ael kjul eit]v.计算
ingenious ［ｉｎ'ʤｉ:ｎｊəｓ］a. 精巧的，精致的 format n. 格式，形式 orient ［'ɔ:ｒｉəｎｔ］vt. 定向，定(方)位，标定，(使)适应，朝向 invariably ［ｉｎ'ｖɛəｒｉəｂｌｉ］ad. 不变地，总是，一定，永恒地 comprise ［ｋəｍ'ｐｒａｉｓ］vt. 包含，包括，由…组成 plus ［ｐｌʌｓ］prep. 加上，加，外加；a. 正的 control ［ｋəｎ'ｔｒｏｕｌ］n. 控制 frequently ［'ｆｒｉ:ｋｗəｎｔｌｉ］ad. 时常，频繁地 correspond ［ˏｋɔｒｉｓ'ｐɔｎｄ］vi. 相当，对应，符合，一致 correspond to 相当于，与…相对应，与…相吻合，与…一致 encode ［ｉｎ'ｋｏｕｄ］v. 编码 initially ［ｉ'ｎｉʃ əｌｉ］ad. 最初，开头，一开始 idle ［ａｉｄｌ］a. 闲置的，空闲的 traditionally ［ｔｒə'ｄｉʃ əｎəｌｉ］ad. 传统地，惯例地 mark level 信号电平 logical ［'ｌɔ ʤｉｋəｌ］a. 逻辑的 space level 空号电平 successive ［ｓəｋ'ｓｅｓｉｖ］a. 连续的，顺序进行的，逐次性的 parity ［'ｐæ ｒｉｔｉ］n. 奇偶性 calculate ［'ｋæ ｌｋｊｕｌｅｉｔ］v. 计算
continually[kan' t i nj uaI i]ad.屡次地,再三地,频频地 连续地 monitor[' mon i te]n.;v.监视(器),监测(器) detect[ d i te k t] vt.发觉,觉查;检测器,侦察器 sample ['s am p I 样品,取样;抽样,采样 assemble[a' s emb l]v.集合,收集,装配,组装 nag[flag]n.旗,标志,标志位 critical[k' ri ti kaI]a.决定性的,关键的,危险的,临界的 aspect[ spek t]n.方面,方位,外貌,样子 dge[ed]n.边,边缘,界限,边界,刀刃刀日 trigger[ t r i ga]v.触发,起动,扣扳机,发射 起动,触发,扳机 nominal[' nm i n 1]a.标称的,额定的 thereafter[oEar'a:fta]ad.此后,其后 situation[. s i tju' e i Jan]n.位置,地点,场所,形势,情况, 环境,局面 obvious[' bv ias]a.明显的,明白的,显而易见的 disadvantage[ d ised'va:ntid]n.不利条件,不利方面,有 謇,缺点 whenever[hwen'eva]ad.无论何时,随时,每当 terminal[' t em I n31jn.终端
continually ［ｋəｎ'ｔｉｎｊｕəｌｉ］ad. 屡次地，再三地，频频地， 连续地 monitor ［'ｍɔｎｉｔə］n.;v. 监视(器)，监测(器) detect ［ｄｉｔｅｋｔ］vt. 发觉，觉查； 检测器，侦察器 sample ［'ｓæ ｍｐｌ］n. 样品，取样； 抽样，采样 assemble ［ə'ｓｅｍｂｌ］v. 集合，收集，装配，组装 flag ［ｆｌæ g］n. 旗，标志，标志位 critical ［ｋ'ｒｉｔｉｋəｌ］a. 决定性的，关键的，危险的，临界的 aspect ［'æ ｓｐｅｋｔ］n. 方面，方位，外貌，样子 edge ［ｅʤ］n. 边，边缘，界限，边界，刀刃，刀口 trigger ［'ｔｒｉｇə］v. 触发，起动，扣扳机，发射 n. 起动，触发，扳机 nominal ［'ｎɔｍｉｎｌ］a. 标称的，额定的 thereafter ［ð ɛəｒ'α:ｆｔə］ad. 此后，其后 situation ［ˏｓｉｔｊｕ'ｅｉʃəｎ］n. 位置，地点，场所，形势，情况， 环境，局面 obvious ［'ɔｂｖｉəｓ］a. 明显的，明白的，显而易见的 disadvantage ［ｄｉｓｅｄ'ｖα:ｎｔｉʤ］n. 不利条件，不利方面，有 害，缺点 whenever ［ｈｗｅｎ'ｅｖə］ad. 无论何时，随时，每当 terminal ［'ｔəｍｉｎəｌ］n. 终端
dump[dAmp]v.倾倒,翻卸,转储 binary[" ba i nar i]a.二进制的 串行接口; 显示终端 发送器与接收器:数据传输 数据流 闲置状态 传号电平; 空号电平; 起始位 停止位 T秒的持续时间;奇偶校验位; 错误标志 传输错误 下降沿 符号间的空格; 接收机的定时; 本地时钟 磁带; 控制比特 逻辑1电平; 进制数据 明显的缺点。 2 Please translate the following phrases into Chinese 1. asynchronous serial data transmission 2. The most popular serial interface 3. The transmitted data 4. The clocks at the transmitter and receiver 5. The era of teleprinter 6. The dots and dashes of a character 7. Three times the duration of intersymbol space 8. The group of bits called characters
dump ［ｄʌｍｐ］v. 倾倒，翻卸，转储 binary ［'ｂａｉｎəｒｉ］a. 二进制的 串行接口； 显示终端； 发送器与接收器； 数据传输； 数据流； 闲置状态； 传号电平； 空号电平； 起始位； 停止位； T 秒的持续时间； 奇偶校验位； 错误标志； 传输错误； 下降沿； 符号间的空格； 接收机的定时； 本地时钟； 磁带； 控制比特； 逻辑 1 电平； 二进制数据； 明显的缺点。 1．asynchronous serial data transmission 2．The most popular serial interface 3．The transmitted data 4．The clocks at the transmitter and receiver 5．The era of teleprinter 6．The dots and dashes of a character 7．Three times the duration of intersymbol space 8．The group of bits called characters
9. The invariable units comprising / or8 bits of information 10. a clock generated locally by the receiver 1l. The received parity bit following the character 12. The falling edge of the start bit 13. The character-oriented nature of the data link 3. Fill in the blank with the best choice 1. An asynchronous serial data link is said character oriented as information is transmitted in the form of groups of bits characters lling B. to being, to call C. be C D to be called
9．The invariable units comprising 7 or 8 bits of information 10．A clock generated locally by the receiver 11．The received parity bit following the character 12. The falling edge of the start bit 13. The character-oriented nature of the data link 1．An asynchronous serial data link is said ______________ character oriented, as information is transmitted in the form of groups of bits _______________ characters. A. be, calling B. to being, to call C. been, call D. to be, called
2. This interface is so called because the data and the data are not synchronized over any extended period A. transmit receive B. to transmit. to receive CC transmitting, receiving D. transmitted, received 3. Serial data transmission systems In the telephone, Morse code, and even the smoke signals once by native americans A are finding, using C B are found, used C. find. use C D be found, using
2. This interface is so called because the ________________ data and the ________________ data are not synchronized over any extended period. A. transmit, receive B. to transmit, to receive C. transmitting, receiving D. transmitted, received 3. Serial data transmission systems _____________ in the telephone, Morse code, and even the smoke signals once _____________ by native Americans. A. are finding, using B. are found, used C. find, use D. be found, using
4. Traditionally, the idle state the mark level. By convention this corresponds a logical i level. A. is referred to. as B. is referred as in C. is referred to as to CD is referred within 5. The transmitter then sends the character l bit at a time. by each successive bit on the line for a duration of t seconds all bits have been transmitted A. place, still B placed, since CC placing, until D placing, because
4. Traditionally, the idle state _______________ the mark level. By convention this corresponds ______________ a logical 1 level. A. is referred to, as B. is referred as, in C. is referred to as, to D. is referred, within 5. The transmitter then sends the character, 1 bit at a time, by _____________ each successive bit on the line for a duration of T seconds, _____________ all bits have been transmitted. A. place, still B. placed, since C. placing, until D. placing, because
6. When the data link connects a crt terminal a computer, problems arise, as the terminal is itself character oriented A. into, many B. on a few C. in. a fe D. to few the receiving end of a synchronous serial data link, the receiver continually monitors the line A On, looking B. Within. look for C. In. look at D. At. loo king fo
6. When the data link connects a CRT terminal ______________ a computer, ____________ problems arise, as the terminal is itself character oriented. A. into, many B. on, a few C. in, a few D. to, few 7. ______________ the receiving end of a synchronous serial data link, the receiver continually monitors the line _____________ a start bit. A. On, looking B. Within, look for C. In, look at D. At, looking for
4 According co the text fil in che blanks with che best choices l An asynchronous serial data link is said to be character oriented C A. since the line is in an idle state C B because it has a duration oft seconds cc as information is transmitted in the form of groups of bits called characters C D. since it consists of 2 to 4 control bits 2. When the transmitter wishes to send data. it first C A. places the line in a space level C B puts the line in a mark level C sends a stop bit D. places a bit at logical 1 level
1. An asynchronous serial data link is said to be character oriented, _______________ . A. since the line is in an idle state B. because it has a duration of T seconds C. as information is transmitted in the form of groups of bits called characters D. since it consists of 2 to 4 control bits 2. When the transmitter wishes to send data, it first ______________ . A. places the line in a space level B. puts the line in a mark level C. sends a stop bit D. places a bit at logical 1 level