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2022年南昌大学软件工程专业《计算机组成原理》科目期末试卷A(有答案)

2022年南昌大学软件工程专业《计算机组成原理》科目期末试卷A(有答案)

2022年南昌大学软件工程专业《计算机组成原理》科目期末试卷A(有答案)一、选择题1、主存储器主要性能指标有()。

1.存储周期Ⅱ.存储容量Ⅲ.存取时间Ⅳ.存储器带宽A.I、IⅡB.I、IⅡ、IVC. I、Ⅲ、lVD.全部都是2、某机器字长32位,存储容量64MB,若按字编址,它的寻址范围是()。

A.8MB.16MBC.16MD.8MB3、完整的计算机系统应该包括()。

A.运算器、存储器、控制器B.外部设备和主机C.主机和应用程序D.主机、外部设备、配套的软件系统4、下列关于计算机操作的单位时间的关系中,正确的是()。

A.时钟周期>指令周期>CPU周期B.指令周期CPU周期>时钟周期C.CPU周期>指令周期>时钟周期D.CPU周期>时钟周期>指令周期5、()可区分存储单元中在放的是指令还是数据。

A.存储器B.运算C.用户D.控制器6、某总线共有88根信号线,其中数据总线为32根,地址总线为20根,控制总线36根,总线工作频率为66MHz、则总线宽度为(),传输速率为()A.32bit 264MB/sB.20bit 254MB/sC.20bit 264MB/sD.32bit 254MB/s7、总线的半同步通信方式是()。

A.既不采用时钟信号,也不采用握手信号B.只采用时钟信号,不采用握手信号C.不采用时钟信号,只采用握手信号D.既采用时钟信号,又采用握手信号8、某计算机的指令流水线由4个功能段组成,指令流经各功能段的时间(忽略各功能段之间的缓存时间)分别为90ns,80ns、70ns和60ns,则该计算机的CPU时钟周期至少是)()。

A.90nsB.80nsC.70nsD.60ns9、同步控制是()。

A.只适用于CPU控制的方式B.由统一时序信号控制的方式C.所有指令执行时问都相同的方式D.不强调统一时序信号控制的方式10、下列选项中,用于设备和设备控制器(I/O接口)之间互连的接口标准是()。

消防设施操作员之消防设备中级技能能力测试试卷A卷附答案

消防设施操作员之消防设备中级技能能力测试试卷A卷附答案

2023年消防设施操作员之消防设备中级技能能力测试试卷A卷附答案单选题(共100题)1、消防设备末端配电装置的清扫和检修一般(),其内容除清扫和摇测绝缘外,还应检查各部连接点和接地处的紧固状况。

A.每月至少一次B.每季至少一次C.每半年至少一次D.每年至少一次【答案】 D2、防火阀安装在什么位置。

A.防火阀安装在机械排烟系统管道上B.防火阀安装在防排烟系统管道上C.防火阀安装在机械正压送风系统管道上D.防火阀安装在管道上【答案】 C3、以下不属于防火门自检的有()。

A.防火门的释放器是否灵敏B.防火门下是否有堆积物,影响开启C.看防火门关闭时,是否按照顺序进行关闭D.防火门关闭后的密封性E.分别触发两个相关的火灾探测器,查看电动防火门的关闭效果及反馈信号【答案】 B4、下列关于收到报警按钮的安装说法正确的是()。

A.每个防火分区应至少设置一只,应设在明显和便于操作的部位B.从一个防火分区内的任何位置到最邻近的手动火灾报警按钮的步行距离不应大于25mC.手动火灾报警按钮宜设置在疏散通道或出入口处D.当采用壁挂方式安装时,其底边距地高度宜为1.3-1.5m,且应有明显标识【答案】 A5、火灾自动报警系统的触发器件包括:火灾探测器和()。

A.火灾显示盘B.手动报警按钮C.火灾警报器D.声光显示器【答案】 B6、钢制双片防火卷帘的耐火极限是()。

A.不小于2hB.不小于3hC.不小于4hD.36-72h【答案】 A7、火灾报警控制器在自动联动状态下,对信息特征描述不正确的是()。

A.启动灯亮B.液晶显示启动设备参数和部位C.记录启动时间D.记录启动设备总数【答案】 B8、二氧化碳灭火器喷嘴形状是()。

A.大喇叭口B.小喇叭口C.尖嘴【答案】 A9、对灭火器进行水压试验压力应按灭火器铭牌标志上规定的水压试验压力值进行,保压()min。

A.1B.2C.3D.4【答案】 A10、下列不属于电气火灾监控器保养项目的是()。

2022年武汉轻工大学计算机科学与技术专业《计算机组成原理》科目期末试卷A(有答案)

2022年武汉轻工大学计算机科学与技术专业《计算机组成原理》科目期末试卷A(有答案)

2022年武汉轻工大学计算机科学与技术专业《计算机组成原理》科目期末试卷A(有答案)一、选择题1、Cache用组相联映射,一块大小为128B,Cache共64块,4块分一组,主存有4096块,主存地址共需()位。

A.19B.18C.17D.162、某C语言程序段如下:for(i=0;i<9;i++){temp=1;for(j=0;j<=i;j++)temp+=a[J];sum+=temp;}下列关于数组a的访问局部性的描述中,正确的是()。

A.时间局部性和空间局部性皆有B.无时间局部性,有空间局部性C.有时间局部性,无空间局部性D.时间局部性和空间局部性皆无3、关于浮点数在IEEE754标准中的规定,下列说法中错误的是()。

I.浮点数可以表示正无穷大和负无穷大两个值Ⅱ.如果需要,也允许使用非格式化的浮点数Ⅲ.对任何形式的浮点数都要求使用隐藏位技术IⅣ.对32位浮点数的阶码采用了偏移值为l27的移码表示,尾数用原码表示4、下列关于各种移位的说法中正确的是()。

I.假设机器数采用反码表示,当机器数为负时,左移时最高数位丢0,结果出错;右移时最低数位丢0,影响精度Ⅱ在算术移位的情况下,补码左移的前提条件是其原最高有效位与原符号位要相同Ⅲ.在算术移位的情况下,双符号位的移位操作中只有低符号位需要参加移位操作()A. Ⅲ、ⅡB.只有ⅡC.只有ⅢD.全错5、下列为8位移码机器数[x]移,当求[-x]移时,()将会发生溢出。

A.11111111B.00000000C.10000000D.011l1l116、关于同步控制说法正确的是()。

A.采用握手信号B.由统一时序电路控制的方式C.允许速度差别较大的设备一起接入工作D.B和C7、在集中式总线控制中,响应时间最快的是()。

A.链式查询B.计数器定时查询C.独立请求D.分组链式查询8、某计算机主频为1.2GHz,其指令分为4类,它们在基准程序中所占比例及CPI如下表所示。

大学英语(四)A-卷【考试试卷答案】

大学英语(四)A-卷【考试试卷答案】

大学英语(四)课程考试A 卷 适用于;考试日期:; 试卷所需时间:120分钟 闭卷;试卷A 总分:100分。

Part I Listening Comprehension (30 points) Section A Short Conversations ( 10 points) Directions: In this section, you will hear 10 short conversations. At the end of each conversation, one question will be asked about what was said. Both the conversation and the question will be spoken only once. After each question there will be a pause. During the pause, you must read the four choices marked A), B), C) and D), and decide which is the best answer. Then mark the corresponding letter on the Answer Sheet with a single line through the centre. 1. A. 3 blocks ahead. B. On the 3rd Street. C. At the 3rd Avenue. D. On the 5th Street. 2. A. To punish him. B. To pick him up. C. To reward him. D. To ignore him. 3. A. Theater. B. Restaurant. C. Airport. D. Train station. 4. A. She doesn ’t like either of them. B. John copied it from Jim. C. Jim copied it from John. D. One is the copy from the other. 5. A. Peter is going to fly to New York. B. Peter is going to fly to London next week. C. Peter went to London last week. D. Peter will stay in New York. 6. A. He feels Mike did a good thing. B. He doesn ’t think Mike should move. C. H e thinks it’s better to invest later. D. He doesn ’t think Mike should invest money on stocks. 7. A. Go to a movie. B. Go to her classes. C. Shop for some clothes. D. Buy some new glasses. 8. A. Because he doesn ’t have a TV . B. Because he hates to be bothered. C. B ecause he isn’t watching TV . D. Because he doesn ’t like any of the programs. 9. A. $ 100. B. $ 150. C. $ 200. D. $ 250. 10. A. She likes classical music. B. She needs 100 records. C. She prefers to have the same house I have. D. She is a jazz fan. Section B Long Conversation ( 5 points) Directions: In this section, you will hear one long conversation. At the end of the conversation, some questions will be asked about what was said. Both the conversation and the questions will be spoken only once. After each question there will be a pause. During the pause, you must read the four choices marked A), B), C) and D), and decide which is the best answer. Then mark the corresponding letter on the Answer Sheet with a single line through the centre. 11. A. It ’s expensive. B. They are celebrating a birthday. C. It was recommended by a friend. D. They had dinner here before. 12. A. She wants to check the price. B. She wants to see if the menu is in French. C. She is in a hurry to eat. D. She spends a long time choosing her food. 13. A. A year. B. Only a minute. C. A month. D. A long time. 14. A. Snails are not on the menu. B. The restaurant doesn ’t have any left. C. They want shrimp cocktail instead. D. They are afraid of getting sick. 15. A. French cheese and white wine. B. Seafood. C. Duck. D. Salad and French cheese. Section C Passage ( 5 points) Directions: In this section, you will hear one short passage. At the end of the passage, you will hear some questions. Both the passage and the questions will be spoken only once. After you hear a question, you must choose the best answer from the four choices marked A) B) C) and D). Then mark the corresponding letter on Answer sheet with a single line through the centre. 16. A. On TV . B. On the radio C. In the newspaper. D. In a magazine 17. A. A scientific research. B. An invention. C. A visit to a scientist. D. A prize for some scientific discovery.18. A. Unpleasant. B. Cooperative. C. Sympathetic. D. Doubtful. 19. A. He refuted him. B. He went to the library. C. He went to the TV station D. He changed his major 20. A. After the age of 50. B. After the age of 30. C. Between the ages of 25 and 30. D. Between the ages of 30 and 50. Section D ( 10 points) Directions: In this section, you will hear a VOA Special English Report three times, and then fill in the blanks with the exact words you hear from the recording. We answered a question last week about how American college students findjobs after they (21)_________________. Now, we discuss foreign graduates. The院系: 班级: 姓名:学号:考场地点装订线(22)________________ for employing foreign workers in the United States is long. It involves different government agencies. It also involves (23)_____________________________________. For example, the American Recovery and Reinvestment Act that President Obama signed into law in February dealt with this issue. It included conditions against foreign workers displacing qualified Americans at companies that (24)________________________________. Job (25)______________ have slowed in some industries. But the economic downturn has cost millions of jobs and recovery will take some time. Foreign graduates need a job (26)________________ to get an H-1B visa. This is a (27)_________________ visa for work in the person’s area of specialty. The employer is the one who (28)_______________ for it. The visa is good for 3 years and may be extended for another 3 years. Cheryl Gilman directs visa services at the University of Southern California in Los Angeles. She noted that H-1B visas were still (29)_________________ for next year. This tells her that the recession is preventing employers from (30)_________________ as many foreign nationals as they have in the past. Part II Reading Comprehension (30 points) Section A Directions: There are two passages in this part. Each passage is followed by some questions or unfinished statements. For each of them there are four choices marked A) , B) , C) and D). You should decide on the best choice and mark the corresponding letter on the Answer Sheet with a single line through the center. Passage One As people generally use the word “honor ” they do not do so in the context of thinking about moral virtue. As a result they often confuse honor with fame. A virtuous person is an honorable person, a person who ought to be honored by the community in which he or she lives. But the virtuous person does not seek honor, being secure in his or her own self-respect. Lack of honor does not detract from the efficacy of moral virtue as an operative factor in the pursuit of happiness —as a means to leading a good human life. Virtuous persons may be considered fortunate if their virtue is recognized and publicly applauded. Persons lacking moral virtue can achieve fame as readily as, or perhaps more easily than, those who have a high degree of moral virtue. Fame belongs to the great, the outstanding, and the exceptional, without regard to their virtue or lack of it. Infamy is fame, no less than popularity. The great scoundrel can be as famous as the great hero. There can be famous villains as well as famous saints. Existing in the reputation a person has, regardless of his or her accomplishments, fame does not tarnish as honor does when it is unmerited. We normally desire the esteem of our fellow human beings, but is not this wish for the esteem of others a desire for fame rather than for honor? A virtuous person will not seek fame or be unhappy for lack of it. For fame can be enjoyed by bad men and women, as well as good. When it is enjoyed by virtuous persons without being sought by them, it is not distinguishable from honor, for then it is deserved. 31. What does this passage mainly talk about? A. A virtuous person achieves both honor and fame. B. A virtuous person does not seek honor or fame. C. Honor and fame are different concepts. D. Honor and fame are not distinguishable. 32. A virtuous person leads a good human life by means of _________. A. presuming happiness B. achieving moral virtue C. seeking honor D. seeking fame 33. What tends to tarnish with time? A. The reputation a person has. B. A high degree of moral virtue. C. A person ’s accomplishments. D. Honor that is undeserved. 34. Fame differs from honor in that _______. A. bad men and women can enjoy fame B. the great people can enjoy fame C. fame can fade in color D. virtuous persons will not seek fame 35. Which of the following statements is TURE? A. A virtuous person deserves honor. B. A famous person deserves honor. C. A virtuous person is publicly identified. D. A famous person has great accomplishments. Passage Two If you want to teach your children how to say sorry, you must be good at saying it yourself, especially to your own children. But how you say it can be quite tricky. If you s ay to your children “I’m sorry I got angry with you, but …”, what follows that “but” can render the apology ineffective: “I had a bad day” or “your noise was giving me a headache ” leaves the person who has been injured feeling that he should be apologizing for his bad behavior in expecting an apology. Another method by which people appear to apologize without actually doing so is to say “I’m sorry you’re upset”; this suggests that you are somehow at fault for allowing yourself to get upset by what the other person has done.院系:班级: 姓名:学号:考场地点装订线Then there is the general, all covering apology, which avoids the necessity of identifying a specific act that was particularly hurtful or insulting, and which the person who is apologizing should promise never to do again. Saying “I’m useless as a parent” does not commit a person to any specific improvement. These pseudo-apologies are used by people who believe saying sorry shows weakness. Parents who wish to teach their children to apologize should see it as a sign of strength, and therefore not resort to these pseudo-apologies. But even when presented with examples of genuine contrition, children still need help to become aware of the complexities of saying sorry. A three-year-old might need help in understanding that other children feel pain just as he does, and that hitting a playmate over the head with a heavy toy requires an apology. A six-year-old might need reminding that spoiling other children’s expectations can require an apology. A 12-year-old might need to be shown that raiding the biscuit tin without asking permission is acceptable, but that borrowing a parent’s clothes without permission is not. 36. If a mother adds “but” to an apology, _______. A. she doesn’t feel that she should have apologized B. she does not realize that the child has been hurt C. the child may find the apology easier to accept D. the child may feel that he owes her an apology 37. According to the author, saying “I’m sorry you’re upset” most probably means “_______”. A. You have good reason to get upset B. I’m aware you’re upset, but I’m not to blame C. I apologize for hurting your feelings D. I’m at fault for making you upset 38. It is not advisable to use the general, all-covering apology because _______. A. it gets one into the habit of making empty promises B. it may make the other person feel guilty C. it is vague and ineffective D. it is hurtful and insulting 39. We learn from the last paragraph that in teaching children to say sorry _______. A. the complexities involved should be ignored B. their ages should be taken into account C. parents need to set them a good example D. parents should be patient and tolerant 40. It can be inferred from the passage that apologizing properly is _______. A. a social issue calling for immediate attention B. not necessary among family membersC. a sign of social progressD. not as simple as it seems Section B: Directions: In this section, there is a passage with ten blanks. You are required to select one word for each blank from a list of choices given in a word bank following the passage. Read the passage through carefully before making your choices. Each choice in the blank is identified by a letter. You may not use any of the words in the bank more than once. Blanks 41 to 50 are based on the following passage. There are two factors which determine an individual ’s intelligence. The first is the sort of brain he is born with. Human brains differ 41 , some being more capable than others. But no matter how good a brain he has to begin with, a (an)42 will have a low intelligence unless he has opportunities to learn. So the second factor in what happens to the individual is the sort of environment in which he is 43 . If an individual is handicapped environmentally, it is likely that his brain will fail to develop. And he will never 44 the level of intelligence of which he is capable. The importance of environment in determining an individual ’s intelligence can be 45 by the case history of the identical twins, Peter and Mark. Being identical, the twins had identical brain at birth, and their growth processes were the same. When the twins were three months old, their parents died, and they were placed in 46 foster homes. Peter was reared by parents of low intelligence in an isolated community with poor 47 opportunities. Mark was reared in the home of well-to-do parents who had been to college. He was read to as a child, sent to good schools, and given every opportunity to be 48 intellectually. This environmental difference continued until the twins were in their late teens, when they were given tests to 49 their intelligence. Mark ’s I.Q. was 125, twenty-five points higher than the 50 , and fully forty points higher than his identical brother. Given equal opportunities, the twins, having identical brains, would have scored at roughly the same level.院系: 班级: 姓名:学号:考场地点装订线Part III Vocabulary and Structure (10 points) Directions: There are 20 incomplete sentences in this part. For each sentence there are four choices marked A, B, C and D. Choose the One answer that best completes the sentence. 51. The boy wanted to ride his bicycle in the street, but his mother told him ____. A. not to B. not to do C. not do it D. do not to 52. Would you like a cup of coffee ____shall we get down to business right away? A. and B. then C. or D. otherwise 53. Not until all the fish died in the river ____how serious the pollution was. A. did the villagers realize B. the villagers realized C. the villagers did realize D. didn't the villagers realize 54. I ____that we would be able to leave tomorrow, but it's beginning to look difficult. A. hoped B. was hoping C. had hoped D. am hoping 55. A study shows that students living in non-smoking dorms are less likely to ____the habit of smoking. A. make up B. turn up C. draw up D. pick up 56. Many personnel managers say it is getting harder and harder to____honest applicants from the growing number of dishonest ones. A. distinguish B. disguise C. dissolve D. discount 57. According to the key witnesses, a peculiarly big nose is the criminal's most memorable facial____. A. feature B. hint C. spot D. signature 58. It's good to know that quite a few popular English expressions actually ____from the Bible. A. acquire B. obtain C. derive D. result 59. After working all day, he was so tired that he was in no____ to go to the party with us. A. taste B. mood C. sense D. emotion 60. There is already clear ____to show that plants and animals are being affected by climate change. A. witness B. certification C. identity D. evidence 61. Last year the advertising rate ____ by 20 percent. A. raised B. aroused C. arose D. rose 62. The student was just about to ______ the question, when suddenly he found the answer. A. arrive at B. submit to C. give in D. work out 63. Suddenly she grabbed her stomach and ______. A. threw away B. threw in C. threw up D. threw off 64. They have brought her out of the operating room, but she ’s not fully ____ yet. A. cautious B. conscience C. conscious D. confused 65. He _____ the job because it involved too much traveling. A. turns in B. turns out C. turns over D. turns down 66.To some _______, Mary still does not understand this unit. But she herself does not believe so. A. extend B. part C. extent D. content 67. He checked carefully to _______ the possible errors in his design. A. eliminate B. exceed C. enlarge D. vibrate 68. What we need to learn is how to put theory into _______ when we begin our fieldwork here. A. appearance B. application C. accomplish D. achievement 69. Jack is _______ of stealing the books from the library. A. accused B. witnessed C. strained D. found 70. The Foreign Minister made an excellent _______ on the current international situation. A. committee B. command C. comment D. commission Part IV Translation (15 points) Translate the following sentences into English. 71. 我从未受过正式培训,我只是边干边学. 72. 随着年龄越来越大,你应该考虑未来的计划。

计算机专业《计算机组成原理》试卷A参考答案

计算机专业《计算机组成原理》试卷A参考答案

厦门理工学院2005—2006学年第一学期期末考试03级计算机专业《计算机组成原理》试卷A参考答案学号姓名成绩一、填空题(每个空格1分,40分)1、计算机系统由_硬件_系统和_软件_系统构成,主机由_运算器_与_控制器_、存储器、输入输出接口和系统总线构成。

2、计算机系统中的主存储器是用来存放_程序和数据_。

计算机系统中的存储器可分为_主存_和_外存_,必须将指令放在_主存_。

3、1MB等于1024KB,或者等于220字节。

4、将11010.10010112转换成八进制数的结果是32.454 ,转换成十六进制的结果是1a.96H 。

5、二进制数-1011的原码是11011 ,反码是10100 ,补码是10101 。

6、浮点数加法运算的过程分为零检查、对阶、尾数相加、规格化和舍入处理和溢出检查。

7、按存储器的读写功能分,可以把存储器分为ROM 和RAM 两种类型。

8、一片容量为32k×8的SRAM存储器芯片,地址线有15条,数据线有8条,地址范围从000016到7fffH 。

9、存储器的传输速率是_每个存储周期传输的字节数_。

如果t M表示存储周期,W表示存储器字长,则传输率定义为_W/t M__。

10、层次化的存储器系统一般分为三级:cache 、主存、辅存。

11、层次化存储器结构的设计是依据程序局部性原理。

12、虚拟存储器主要用于解决计算机中主存储器的容量问题。

13、cache 是一种_高速存储器,是为了解决CPU和主存之间_速度不匹配而采用的一项重要技术。

它与主存的替换算法有LRU_、_LFU_、_FIFO_。

14、指令操作码字段表征指令的_操作性质_,而地址码字段指示_操作数的位置。

15、程序控制方式包括_程序查询_方式和_程序中断_方式。

16、微指令的格式大体分成两类:垂直型微指令和水平型微指令。

二、选择题(每题1分,共15分,请将答案写在下表中)三、应用题(共45分)1、用已知x=0.101001, y=0.111 采用不恢复余数除法求x÷y。

《英语(一)》期末考试试卷【 A卷】和答案

《英语(一)》期末考试试卷【 A卷】和答案

1《英语(一)》期末考试试卷【A卷】(学年第一学期)注意:1.本试卷共 3 页;2.考试时间: 90 分钟Section A (1×15=15分)Directions: Choose the appropriate letters A—D to complete the following statements.1. I knew a new classmate Ann today. She is _______ America.A. forB. inC. toD. from2. All of his friends came to the airport to______ him____ .A. send…downB. see…offC. send…downD. se e…awa y3. It is of _______for us to get everything read before the party.A. greatly importantB. great importantC. great importanceD. greatly importance4. S1: Can you spare some time for me next week?S2: ______________.A. I’m really very busy now.B. OK. What can I do for you?C. I usually go out seeing movies in my spare time.D. My family will go traveling this evening.5. Would you _____to join us for dessert and coffee?A mind B. please C. like D. care6. I would___ for daily necessities tomorrow. Will you go with me?A. go to shopB. make shoppingC. go shoppingD. buy7. Chinese people have a special way to celebrate the Mid-autumn _______. .A. HolidayB. VacationC. EventD. Festival8. Jack is _______ about stamp collecting. In fact, he is willing to give everything for a rare stamp.A. interestedB. illC. crazyD. sick9. Two hundred people are expected to _______ the meeting.A. attendB. haveC. takeD. go10. Please us at campuslife@ if you need detailed information.A. touchB. contactC. searchD. tell11. Will it be _________ for you to start work tomorrow.A. convenientB. convenienceC. convenientlyD. conveniences12. It is overclouding in the sky and it _____like rain.A. isB. seemsC. seemD. be13. Passengers to pay duty on overweighed luggage.A. requireB. requiredC. are requiredD. were required14. Supermarkets usually provide a(n) Lane for customers with a purchase less than 8 items.A. ExpressB. Hurry-upC. Speed-upD. Fast15. It is difficult for me to __________ the twins ________.A. tel l…fromB. tel l…apartC. tel l…betweenD. tel l…amongSection B (1×10=10分)Directions: Complete each statement with the proper form of the word given in the brackets.16. Jackie Chan is admired by millions as an excellent (act).17. He was about the same (high) as his wife.18. there are as many as 30 different (nation) in this school.19. Tom falls in love with the most (attract) girl in his class.20. Our house was built in a (tradition) Chinese style.21. Many animals have (good) hearing than we do.22. Coin (collect) is one of Jim’s hobbies.23. Sam used to (keep) a pet ,when he was young.24. It’s my pleasure to (introduction) tonight’s speakers.25. He is a very (talk ) child.Part II Reading ComprehensionTask1 (2×5=10分)Directions: Read the passage and choose the appropriate letters A—D to answer each question.Perhaps the best way to think about making friends is to decide what makes a friend. I asked a group of 13 year old boys and girls to come up with a list of what they liked about their friends. They said that good friends: show an interest in what people dogo around with a pleasant expression on their facelaugh at people’s jokesare kindoffer to help others with work or carry thingsinvite people to do somethingare good at thinking of something interesting to doare willing to shareare humorous and tell jokesare fair26. According to the author, what is the best way to make friends?A) The best way is to talk to everyone.B) The best way is to do everything to make the person happy.C) The best way is to think everyone is good.D) The best way is to know what a good friend is.27. How did the author get the list?A) He thought it out.B) He copied it from a book.C) He summed up the ideas of a group of children.D) He made friends with a group of children.28. How many good qualities should a good friend have?A) 6. B) 7. C) 9. D) 10.29. Which of the following is NOT true?A) A good friend should have a sense of humor.B) A good friend should be able to tell jokes and enjoy others’ jokes.C) A good friend should always keep from getting into groups.D) A good friend should enjoy sharing things with others.30. Which of the following is the best title for this passage?A) What Makes a Good FriendB) The Best Way to Make FriendsC) The Results of a SurveyD) How to Make FriendsTask 2 (2×5=10分)Directions: Read the passage and choose the appropriate letters A—D to answer each question.Banks safeguard money and valuables and provide loans, credit, and payment services, such as checking accounts, money orders, and cashier’s checks. Banks may also offer investment and insurance products, which they were once prohibited from selling.As many models for cooperation and integration among finance industries have appeared, some of the traditional differences between banks, insurance companies, and securities firms have disappeared. In spite of these changes, banks continue to maintain and perform their primary role—accepting deposits and lending funds from these deposits.Commercial banks, which dominate the bank industry, offer a full range of services for individuals, businesses, and governments.31. What is the first paragraph mainly about?A. It introduces the types of banks.B. It introduces the functions of banks.C. It explains the traditional functions of banks.D. It discusses the business of banks.32. What are the traditional functions of a bank?A. It safeguards money and valuables.B. It provides loans, credit, and payment services.C. It safeguards money and valuables and provides loans, credit, and payment services.D. It sells investment and insurance products.33. Which of the following statements is not true?A. Banks also play the role of insurance companies.B. Banks safeguard money and valuables like securities firms do.C. Insurance companies cannot play the role of banks.D. The primary functions of banks will always be there. 34. What is the basic role of banks?A. Accept customer’s deposits.B. Back individuals or firms by lending funds.C. Provide firms with investments.D. Accept customer’s deposits and invest the deposits as funds.35. Which of the following is the best title for this passage?A. Nature of Bank IndustryB. Types of BanksC. Changes in Bank IndustryD. Functions of BanksTask 3 (1×5=5分)Directions: Read an ad. Fill in the blanks with Not More Than 3 words in the table below.Shaw’s SupermarketEarn up to $100 from your Shaw’s Osco Pharmacy.Click here for more information.Click here for new dinner ideas from Shaw’s and Swift Premium.Fresh Meal Solutions for Your Family!Click here for detailsAt Shaw’s, we offer you all the attention you could ever want, both online and in your neighborhood store.From pharmacy prescriptions to our in-store CoinStar service. From photo processing to great gift ideas like Gift Cards, prepaid calling cards and cellular programs. From Shaw’s.Task 4 (1×10=10分)Directions: Choose the appropriate letters A—Q to translate the Chinese expressions in the table. A………………………………………………golf course B………………………………………………swimming pool C………………………………………………invitation D…………………………………………credit card E………………………………………………online bank F………………………………………………a deposit form G………………………………………………get-together H………………………………………………going-away party I………………………………………………..family album23J ………………………………………………..instant message service K ………………………………………………withdraw L ………………………………………………check-out desk M ………………………………………………post card N ………………………………………………cashO ………………………………………………international campus P ………………………………………………celebration Q ………………………………………………great grandparentsTask 5 (1×5=5分)Directions: Read the invitation card and answer the questions.46. Whose birthday is it?It is . 47. How old is she going to be?She is going to be . 48. When is her birthday?It ’s on . 49. Where is the party going to be ?I t’s going to be held at . 50. What kind of card is it?It is .Part III TranslationDirections: Each of the four sentences (NO. 51 to NO. 54) is followed by four choices of suggested translationmarked A, B, C and D. Make the best choice and put the paragraph (No.65) into Chinese. (51-54:3×4=12分; 55: 8×1=12分)51. Chess must be one of the oldest games in the world. A. 象棋必须是世界上最古老的游戏之一。

2022年河南工程学院软件工程专业《计算机组成原理》科目期末试卷A(有答案)

2022年河南工程学院软件工程专业《计算机组成原理》科目期末试卷A(有答案)

2022年河南工程学院软件工程专业《计算机组成原理》科目期末试卷A(有答案)一、选择题1、地址线A15~A0(低),若选取用16K×1位存储芯片构成64KB存储器,则应由地址码()译码产生片选信号。

A.A15,A14B.A0,AlC.A14,A13D.A1,A22、对36位虚拟地址的页式虚拟存储系统,每页8KB,每个页表项为32位,页表的总容量为()。

A.1MBB.4MBC.8MBD.32MB3、计算机硬件能够直接执行的是()。

1.机器语言程序IⅡ.汇编语言程序Ⅲ.硬件描述语言程序入A.仅IB.仅I、ⅡC.仅I、ⅢD. I、Ⅱ 、Ⅲ4、下列关于配备32位微处理器的计算机的说法中,正确的是()。

该机器的通用寄存器一般为32位Ⅱ.该机器的地址总线宽度为32位Ⅲ.该机器能支持64位操作系统IV.一般来说,64位微处理器的性能比32位微处理器的高A.I、ⅡB.I、ⅢC.I、ⅣD.I、IⅡ、Ⅳ5、指令寄存器的位数取决()。

A.存储器的容量B.指令字长C.机器字长人D.存储字长6、下列关于总线仲裁方式的说法中,正确的有()。

I.独立请求方式响应时间最快,是以增加处理器开销和增加控制线数为代价的II.计数器定时查询方式下,有,根总线请求(BR)线和一根设备地址线,若每次计数都从0开始,则设备号小的优先级高III.链式查询方式对电路故障最敏感IV.分布式仲裁控制逻辑分散在总线各部件中,不需要中央仲裁器A.III,IVB. I,III,IVC. I,II,IVD.II,III,IV7、在下面描述的PCI总线的基本概念中,不正确的表述是()。

A.PCI总线支持即插即用B.PCI总线可对传输信息进行奇偶校验C.系统中允许有多条PCI总线D.PCI设备一定是主设备8、指令从流水线开始建立时执行,设指令由取指、分析、执行3个子部件完成,并且,每个子部件的时间均为At,若采用常规标量单流水线处理器(即处理器的度为1),连续执行12条指令,共需()。

2022年沈阳理工大学计算机科学与技术专业《计算机组成原理》科目期末试卷A(有答案)

2022年沈阳理工大学计算机科学与技术专业《计算机组成原理》科目期末试卷A(有答案)

2022年沈阳理工大学计算机科学与技术专业《计算机组成原理》科目期末试卷A(有答案)一、选择题1、下列关于Cache和虚拟存储器的说法中,错误的有()。

I.当Cache失效(即不命中)时,处理器将会切换进程,以更新Cache中的内容II.当虚拟存储器失效(如缺页)时,处理器将会切换进程,以更新主存中的内容III.Cache 和虚拟存储器由硬件和OS共同实现,对应用程序员均是透明的IV.虚拟存储器的容量等于主存和辅存的容量之和A.I、IⅣB.Ⅲ、VC. I、Ⅱ、ⅢD. I、Ⅲ、Ⅳ2、主存与Cache间采用全相联映射方式,Cache容量4MB,分为4块,每块lMB,主存容量256MB。

若主存读/写时间为30ms,Cache的读/写时间为3ns,平均读/写时间为3.27ms,则Cache的命中率为()。

A.90%B.95%C.97%D.99%3、加法器采用先行进位的根本目的是()。

A.优化加法器的结构B.快速传递进位信号C.增强加法器的功能D.以上都不是4、在补码加减交替除法中,参加操作的数和商符分别是()。

A.绝对值的补码在形成商值的过程中自动形成B.补码在形成商值的过程中自动形成C.补码由两数符号位“异或”形成D.绝对值的补码由两数符号位“异或”形成5、假设在网络中传送采用偶校验码,当收到的数据位为10101010时,则可以得出结论()A.传送过程中未出错B.出现偶数位错C.出现奇数位错D.未出错或出现偶数位错6、下列关于总线仲裁方式的说法中,正确的有()。

I.独立请求方式响应时间最快,是以增加处理器开销和增加控制线数为代价的II.计数器定时查询方式下,有,根总线请求(BR)线和一根设备地址线,若每次计数都从0开始,则设备号小的优先级高III.链式查询方式对电路故障最敏感IV.分布式仲裁控制逻辑分散在总线各部件中,不需要中央仲裁器A.III,IVB. I,III,IVC. I,II,IVD.II,III,IV7、下列关于总线说法中,正确的是()I.使用总线结构减少了信息传输量II.使用总线的优点是数据信息和地址信息可以同时传送III.使用总结结构可以提高信息的传输速度IV.使用总线结构可以减少信息传输线的条数A.I,II,IIIB.II,III,IVC.III,IVD.只有I8、CPU中不包括()。

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(3)(6 分)模型机的某条指令的微程序流程图如图 2 所示,写出该条指令的功能、寻址方式、指
令第二字的含义。
指令的功能:JMP 指令,(PC)+DISP→PC
寻址方式:相对寻址
指令第二字的含义:相对偏移量 (4)(6 分)写出上述 SUB DR,[SI+ADDR]指令的微程序流程图。
④ (7 分)求 [X*Y](要求阶码用补码计算,尾数用补码 BOOTH 算法计算,列出计算过程和算式)。
四.综合设计题(47 分)
1. (20 分)某机字长 8 位,CPU 地址总线 16 位,数据总线 8 位,存储器按字节编址,CPU
的控制信号线有:MREQ#(存储器访问请求,低电平有效),R/W#(读写控制,低电平 为写信号,高电平为读信号)。试问:
尾数(5 位)
则按上述浮点数的格式:
① (2 分)若数 Z 的浮点数的 16 进制形式为 1ABH,求 Z 的十进制的真值。 [Z]浮=0,0110 1.01011 Z=-0.10101×2+6=-101010 Z=-42 ② (4 分)若(X)10 =15/32,(Y)10= -1.25,则求 X 和 Y 的规格化浮点数表示形式。 X=0.01111 X=0.11110×2-1 【X】浮=1,1111 0.11110 Y=-1.01 Y=-0.10100×2+1 【Y】浮=0,0001 1.01100 ③ (5 分)求(要求用补码计算,列出计算步骤)。
(1) (2 分)若该机主存采用 16K×1 位的 DRAM 芯片(内部为 128×128 阵列)构成最大主存空间, 则共需 32 个芯片。若采用异步刷新方式,单元刷新周期为 2ms,则刷新信号的周期
为 1/64 ms。 (2) (4 分)若为该机配备 2K×8 位的 Cache,每字块 4 字节,采用 4 路组相联映象,则主存地址
MOV1 R1,23H ADD R1, [[12H]] SUB R1, [SI+01H] HALT
立即数
――
23H
(R1)=23H
间接寻址 变址寻址
――
(12H)= (10H)=
10H
80H
(SI)+01H (11H)=
=11H
90H
――
――
(R1)=23H+80H =0A3H
(R1)=0A3H-90H =13H ――
1. 控制器中有若干个专用寄存器,__IR _寄存器用来存放指令,CM) 。
2. 半导体 RAM 通常分为 SRAM 和 DRAM,主要区别在于:前者是用 双稳态触发器

存储信息的,而后者是用 极间电容 来存储信息的,前者与后者相比,速度快,价格高。
20H
若(PC)=20H,变址寄存器(SI)=10H,则此时启动程序执行,问执行了几条指令程序停止?
写出每条指令的助记符、寻址方式、EA、操作数和执行结果。
单元地 指令
助记符
寻址方式
EA


操作数
执行结果
20H 01H 21H 23H 22H 81H 23H 12H 24H 91H 25H 01H 26H F0H
输入输出线、地址线、数据线、控制线及其连接)。
(5) (27 分)设某 8 位计算机指令格式如下:
OP(4 位) SR(2 位) DR(2 位)
A DDR/ DATA / DISP
注意:除了 HALT 指令为单字指令外,其他指令均为双字指令;其中, SR 为源寄存器号, DR 为 目的寄存器号,指令第二字为地址、数据或偏移量。模型机结构如图 1:
3. 从 主存 取出一条指令并执行完这条指令的时间,称为指令周期。指令系统是指 一台计算机中所有机器指令的集合 。
4. 在微程序控制器中,指令译码器的作用是 产生指令的微程序入口地址 。
5. 控制器由专用寄存器、指令译码器、 时序系统 、 操作控制器 构成,控制器的功能是 取
指令 、 分析指令 、 执行指令 、处理特殊请求和异常情况。
中字段块内地址 2 位,字段 Cache 组地址 7 位,字段高位标记 7 位。若主存地址为 1234H,则该地址映象到的 Cache 的第 24H 组。
(3) (4 分)若 CPU 执行一段时间时,Cache 完成存取的次数为 2400 次,主存完成的存取次数为
100 次,已知 cache 的存储周期为 20ns,主存的存储周期为 100ns。则 Cache/主存系统的平均访 问时间为 23.2 或 24 ns,Cache/主存系统的效率为 86.2%或 83.3% 。
(4) (10 分)若用若干个 8K×4 位的 SRAM 芯片形成 24K×8 位的 RAM 存储区域,起始地址为 2000H, 假设 SRAM 芯片有 CS#(片选,低电平有效)和 WE#(写使能,低电平有效)信号控制端;试
写出 RAM 的地址范围,并画出 SRAM 与 CPU 的连接图(请标明 SRAM 芯片个数、译码器的
(1)(9 分)下面是该模型机的指令系统的一部分:
指令助记符
功能
OP
MOV1 DR,DATA
DATA→DR
0000
MOV2 [ADDR],SR
SR→ADDR
0001
ADD
DR,[[ADDR]]
SUB DR,[SI+ADDR]
JMP DISP
(DR)+((ADDR))→DR (DR)-((SI)+ADDR)→DR
(2)(6 分)该微程序控制器有 28 种微操作命令,采用直接控制法,有 4 个转移控制状态,采用
译码形式编码,微指令格式中的下址字段 8 位,微指令格式如下,则操作控制字段和判别测试 字段各有几位?控存的容量为多少(字数×字长)?
控制字段
判别测试字段
下址字段
28 位
2位
8位
控存的容量:256×38 位
组成 A 卷_答案
杭州电子科技大学学生考试卷(A)卷答案
一.单项选择题(20 分,每题 1 分)
1.D
2. C
3. C
4. D
5. C
6. D
7. A
8. D
9. B
10. D
11.B
12. D
13. A
14. B
15. C
16.C
17. B
18. A
19. A
20. D
二.填空题(15 分,每空 1 分)
6. 微指令的格式可以分为 水平型 微指令和 垂直型 微指令,前者并行处理能力强,但微指令
字长 长 。
三.计算题(18 分) 1. (18 分)设浮点数的格式为:阶码 5 位,包含一位符号位,尾数 5 位,包含一位符号位,阶码和
尾数均用补码表示,排列顺序为:
阶符(1 位)
阶码(4 位) 数符(1 位)
(PC)+DISP→PC
1000 1001 1100
…… HALT 内存地址的部分单元内容如下:
…… 停机
…… 1111
单元地址 内容 单元地址 内容 单元地址 内容
10H
80H
20H
01H
24H
91H
11H
90H
21H
23H
25H
01H
12H
10H
22H
81H
26H
F0H
13H
11H
23H
12H
27H
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