1、2014 年 4 月份考试作业计算机组成原理第一次作业 题号 一 合计已做/题量 40 / 40 40 / 40得分/分值 100 / 100 100 / 100一、单项选择题 (共 40 题、总分 100 分、得分 100 分)1. CPU 从主存取出一条指令并执行该指令的时间叫做( ) (本题分数:2.5 分,本题得分:2.5 分。)A、机器周期 B、指令周期 C、时钟周期 D、总线周期题目信息难度: 5正确答案: B解题方案:2. 同步控制是( ). (本题分数:2.5 分,本题得分:2.5 分。)A、只适用于 CPU 控制的方式B、只适用于外围设备控制的方式C、由统一时序信号控制的方式
2、D、所有指令控制时间都相同的方式题目信息难度: 5正确答案: C解题方案:3. 长度相同但格式不同的两种浮点数,假设前者阶码长、尾数短,后者阶码短、尾数长,其他规定均相同,则它们可表示的数的范围和精度为:( )。 (本题分数:2.5 分,本题得分:2.5 分。)A、两者可表示的数的范围和精度相同B、前者可表示的数的范围大但精度低C、后者可表示的数的范围大且精度高D、前者可表示的数的范围大且精度高题目信息难度: 5正确答案: B解题方案:4. 试题内容:设变址寄存器为 X,形式地址为 D,(X)表示寄存器 X 的内容,这种寻址方式的有效地址为( ). (本题分数:2.5 分,本题得分:2.5 分
3、。)A、EA=(X)+D B、EA=(X)+(D) C、EA=(X)+D) D、EA=(X)+(D)题目信息难度: 5正确答案: A解题方案:5. 计算机硬件能直接执行的只有( ) (本题分数:2.5 分,本题得分:2.5 分。)A、符号语言 B、机器语言 C、汇编语言 D、机器语言和汇编语言题目信息难度: 5正确答案: B解题方案:6. 采用虚拟存储器的主要目的是( )。 (本题分数:2.5 分,本题得分:2.5 分。)A、提高主存储器的存取速度B、扩大存储器空间,并能进行自动管理;C、提高外存储器的存取速度D、扩大外存储器的存储空间题目信息难度: 5正确答案: B解题方案:7. PC 寄存
4、器的内容( ) (本题分数:2.5 分,本题得分:2.5 分。)A、总是自动增量计数 B、发生转移时自动增量计数 C、顺序执行时自动增量计数 D、总是自动减量计数题目信息难度: 5正确答案: C解题方案:8. 在主存和 CPU 之间增加 CACHE 存储器的目的是( )。 (本题分数:2.5 分,本题得分:2.5 分。)A、增加内存容量 B、提高内存可靠性 C、解决 CPU 和主存之间的速度匹配问题D、增加内存容量,同时加快存取速度题目信息难度: 5正确答案: C解题方案:9. x=+0.1011, y=+0.0110,则用补码运算x-y补=( ) (本题分数:2.5 分,本题得分:2.5 分
5、。)A、0.0101 B、0.0001 C、1.1011 D、1.1111题目信息难度: 5正确答案: D解题方案:10. 动态 RAM 利用( )。 (本题分数:2.5 分,本题得分:2.5 分。)A、电容存储信息 B、触发器存储信息 C、门电路存储信息 D、寄存器存储信息题目信息难度: 5正确答案: A解题方案:11. CPU 可以直接访问的存储器是( )。 (本题分数:2.5 分,本题得分:2.5 分。)A、光盘 B、主存 C、磁盘 D、磁带题目信息难度: 5正确答案: B解题方案:12. 下列有关运算器的描述中,( )是正确的。 (本题分数:2.5 分,本题得分:2.5 分。)A、只做
6、算术运算,不做逻辑运算 B、只做加法 C、能暂时存放运算结果 D、既做算术运算,又做逻辑运算题目信息难度: 5正确答案: D解题方案:13. 带有处理器的设备一般称为( )设备. (本题分数:2.5 分,本题得分:2.5 分。)A、智能化 B、交互式 C、远程通信 D、过程控制题目信息难度: 5正确答案: A解题方案:14. 采用 DMA 方式传送数据时,每传送一个数据要占用( )的时间。 (本题分数:2.5 分,本题得分:2.5 分。)A、一个指令周期 B、一个机器周期 C、一个时钟周期 D、一个存储周期题目信息难度: 5正确答案: D解题方案:15. 美国视频电子标准协会定义了一个 VGA
7、 扩展集,将显示方式标准化,这称为著名的( )显示模式. (本题分数:2.5 分,本题得分:2.5 分。)A、AVGA B、SVGA C、VESA D、EGA题目信息难度: 5正确答案: B解题方案:16. 指令寄存器的作用是( ). (本题分数:2.5 分,本题得分:2.5 分。)A、保存当前指令的地址 B、保存当前正在执行的指令 C、保存下一条指令 D、保存上一条指令题目信息难度: 6正确答案: B解题方案:17. CPU 响应中断时,进入“中断周期”,采用硬件方法保护并更新程序计数器 PC 内容,而不是由软件完成,主要是为了( )。 (本题分数:2.5 分,本题得分:2.5 分。)A、节
8、省主存空间 B、能进入中断处理程序,并能正确返回源程序 C、提高处理机速度 D、易于编制中断处理程序题目信息难度: 6正确答案: B解题方案:18. 系统总线中地址线的功能是( )。 (本题分数:2.5 分,本题得分:2.5 分。)A、用于选择主存单元地址B、用于选择进行信息传输的设备C、用于选择外存地址D、用于指定主存和 I/O 设备接口电路的地址题目信息难度: 6正确答案: D解题方案:19. 指令系统中采用不同寻址方式的目的主要是:( ) 。 (本题分数:2.5 分,本题得分:2.5 分。)A、实现存储程序和程序控制B、缩短指令长度,扩大寻址空间,提高变成灵活性C、可以直接访问外存D、提
9、供扩展操作码的可能,并降低指令译码难度题目信息难度: 6正确答案: B解题方案:20. 加法器采用先行进位的目的是( ) 。 (本题分数:2.5 分,本题得分:2.5 分。)A、优化加法器的结构 B、节省器材 C、增强加法器结构 D、加速传递进位信号题目信息难度: 6正确答案: D解题方案:21. 在定点二进制运算器中,减法运算一般通过( ) 来实现. (本题分数:2.5 分,本题得分:2.5 分。)A、原码运算的二进制减法器 B、补码运算的二进制减法器 C、补码运算的十进制加法器 D、补码运算的二进制加法器题目信息难度: 6正确答案: D解题方案:22. 在采用 DMA 方式高速传输数据时,
10、数据传送是( )。 (本题分数:2.5 分,本题得分:2.5 分。)A、在总线控制器发出的控制信号控制下完成的B、在 DMA 控制器本身发出的控制信号控制下完成的C、由 CPU 执行的程序完成的D、由 CPU 响应硬中断处理完成的题目信息难度: 6正确答案: B解题方案:23. 一个 1024K8 的 DRAM 芯片,其地址线和数据线总和为( ) (本题分数:2.5 分,本题得分:2.5 分。)A、16 B、18 C、27 D、30题目信息难度: 6正确答案: B解题方案:24. 在以 DMA 方式传送数据过程中,由于没有破坏( )的内容,所以一旦数据传送完毕,主机可以立即返回原程序 (本题分
11、数:2.5 分,本题得分:2.5 分。)A、程序计数器 B、程序计数器和寄存器 C、指令寄存器 D、非以上答案题目信息难度: 6正确答案: B解题方案:25. 下述 I/O 控制方式中,主要由程序实现的是( )。 (本题分数:2.5 分,本题得分:2.5 分。)A、PPU(外围处理机)方式 B、中断方式 C、DMA 方式 D、通道方式题目信息难度: 6正确答案: B解题方案:26. Pentium 微型计算机中乘除法部件位于( )中 (本题分数:2.5 分,本题得分:2.5 分。)A、CPU B、接口 C、控制器 D、专用芯片题目信息难度: 6正确答案: A解题方案:27. 下列各条中,不属于
12、微指令结构设计所追求的目标是:( )。 (本题分数:2.5 分,本题得分:2.5 分。)A、提高微程序的执行速度 B、提高微程序设计的灵活性 C、缩短微指令的长度 D、增大控制存储器的容量题目信息难度: 6正确答案: D解题方案:28. 在三种集中式总线仲裁中,独立请求方式响应时间最快,但它是以( )为代价的 (本题分数:2.5 分,本题得分:2.5 分。)A、增加仲裁器开销 B、增加控制线数 C、增加仲裁器开销和控制线数 D、增加总线占用时间题目信息难度: 6正确答案: B解题方案:29. 指令周期是指( )。 (本题分数:2.5 分,本题得分:2.5 分。)A、CPU 从主存取出一条指令的
13、时间B、CPU 执行一条指令的时间C、CPU 从主存取出一条指令加上执行这条指令的时间D、时钟周期时间题目信息难度: 6正确答案: C解题方案:30. 常用的虚拟存储系统由( )两级存储器组成 (本题分数:2.5 分,本题得分:2.5 分。)A、主存辅存 B、快存主存 C、快存辅存 D、通用寄存器主存题目信息难度: 6正确答案: A解题方案:31. 为了便于实现多级中断,保存现场信息最有用的方法是采用( ) 。 (本题分数:2.5 分,本题得分:2.5 分。)A、通用寄存器 B、堆栈 C、存储器 D、外存题目信息难度: 7正确答案: B解题方案:32. 周期挪用(窃取)方式常用于( )中 (本
14、题分数:2.5 分,本题得分:2.5 分。)A、直接内存存取方式的输入/输出B、直接程序传送方式的输入/输出C、CPU 的某寄存器与存储器之间的接传送D、程序中断方式的输入/输出题目信息难度: 7正确答案: A解题方案:33. 字符的编码,目前普遍采用的是( )码 (本题分数:2.5 分,本题得分:2.5 分。)A、16 进制 B、7 进制 C、BCD D、ASCII题目信息难度: 7正确答案: D解题方案:34. 按其数据流的传送过程和控制节拍来看,阵列乘法器可认为是( ) (本题分数:2.5 分,本题得分:2.5 分。)A、全串行运算的乘法器 B、全并行运算的乘法器 C、串并行运算的乘法器
15、 D、并串行运算的乘法器题目信息难度: 7正确答案: B解题方案:35. 指出下面描述汇编语言特性的句子中概念上正确的句子( ) (本题分数:2.5 分,本题得分:2.5 分。)A、对程序员的训练要求来说,需要硬件知识B、汇编语言对机器的依赖性低C、用汇编语言编制程序的难度比高级语言小D、汇编语言编写的程序执行速度比高级语言慢题目信息难度: 7正确答案: A解题方案:36. 如果浮点数尾数用补码表示,则判断下列哪一项的运算结果是规格化数( ) (本题分数:2.5 分,本题得分:2.5 分。)A、1.11000 B、0.01110 C、1.00010 D、0.01010题目信息难度: 7正确答案
16、: C解题方案:37. 当采用( )对设备进行编址情况下,不需要专门的 I/O 指令。 (本题分数:2.5 分,本题得分:2.5 分。)A、统一编址法 B、单独编址法 C、两者都是 D、两者都不是题目信息难度: 7正确答案: A解题方案:38. 磁盘存储器的等待时间通常是指( ) (本题分数:2.5 分,本题得分:2.5 分。)A、磁盘旋转半周所需的时间 B、磁盘转 2/3 周所需时间 C、磁盘转 1/3 周所需时间 D、磁盘转一周所需时间题目信息难度: 7正确答案: A解题方案:39. 算术/逻辑运算单元 74181ALU 可完成( ). (本题分数:2.5 分,本题得分:2.5 分。)A、
17、16 种算术运算功能B、16 种逻辑运算功能C、16 种算术运算功能和 16 种逻辑运算功能D、4 位乘法运算功能和除法运算功能题目信息难度: 7正确答案: C解题方案:40. 计算机科技文献中,英文缩写 CAI 代表( ) (本题分数:2.5 分,本题得分:2.5 分。)A、计算机辅助制造 B、计算机辅助教学 C、计算机辅助设计 D、计算机辅助管理题目信息难度: 7正确答案: B解题方案:(英文版 ) easily blame, to prevent the broken window effect. Supervise the leading cadres to play an exemp
18、lary role, take the lead in the strict implementation of the and , lead to safeguard the solemnity and authority of the party discipline, ensure that the party discipline and the laws and regulations for implementation in place. Throughout the discipline in the daily supervision and management, stre
19、ngthen supervision and inspection, from the thorough investigation of violations of discipline behavior. Strengthen to key areas, key departments and key projects as well as the masses reflect the concentration of the units and departments for supervision. - strengthening supervision, discipline ins
20、pection and supervision of cadres to set an example for compliance with the and is a man must be hexyl, blacksmith needs its own hardware. Discipline inspection organs as the executor of the party discipline, and supervisor of the defenders, for its supervision must be more strictly, discipline insp
21、ection and supervision of cadres to firmly establish the awareness of Party Constitution, sense of discipline and rules consciousness, politics loyalty, sense obey. Action speak Ji Ordinance to set an example of the regulations of the rule of law, strengthen supervision and accept the supervision of
22、 the firmness and consciousness, do comply with and . To firmly establish the discipline must first be disciplined, the supervisor will be subject to the supervision of “concept, and consciously safeguard and implement party compasses party, take the lead in practicing“ three strict real strict, so
23、loyal, clean, play. To be good at learning, the Constitution and the as morality, politics and brought to fruition; to implement , do not want to, dare not, not with disciplinary ruler to supervision; to discipline a ruler, often the control inspection, and consciously in the ideological red line to
24、 draw the row Ming Good accumulation is indeed the bottom line, so that the heart has fear, said to have quit, the line has ended. Attached: indifferent to heart, calmly to the table in our life, there are many unpredictable things will happen, some good, some bad things, we cannot control is powerl
25、ess to stop, but with time, you will find in life sometimes turns out to be not good, some bad things finally turned out to be a good thing, but then we muddy however did not know, this is the life teach us things. 1, life can be complex, can also be simple. Want simple life of precipitation, to hav
26、e enough time to reflect, to make Become more perfect. Life is the most important thing is not to win, but the struggle; not to have conquered, but to have fought well. 2, the plain is the background of life. Live a plain life, give up on themselves is not a coward, but the wise answers; not disillu
27、sioned after the heart, such as ashes, but experience the storm after the enlightenment; not unrewarding perfunctorily, but calm attitude of life of unrestrained self-confidence. Plain living, there is no noise noisy, no earthly troubles, more did not fill in the discontent of desire, some just a ca
28、lm, a calm. 3, memory of heart will not good things to erase the, life is a When no movie, pain is a beginning, the struggle is a kind of process, death is a kind of ending. Give up this giving up is the helpless, do not give up the abandoned, do not give up this giving up is ignorance, do not give
29、up should not give up is persistent. 4, a thing figured is heaven, think impassability is hell. Since the living, to live better. Sometimes we because of too narrow-minded, too care around the chores and penny wise and pound foolish, not worth the candle. Some things to attract trouble and worry, co
30、mpletely depends on how we look at and deal with it. Dont always take everything back to things, and dont get into a blind alley, dont want to face, dont be narrow-minded. Poke to care, is a kind of open-minded, a free and easy. 5, I am not afraid of others behind me a knife, I afraid to look back a
31、nd see stab me, is my intention to treat people; I am not afraid of the truth to tell the best friend, Im afraid he turned to it as a joke to tell dont 6, when we are in a positive frame of mind, you will find many good things; and when we are in a negative state of mind, you will find many depresse
32、d things; life happy and worry, all is you of life attitude, optimistic, good luck; loss of sink, Eritrea company. When you are in adversity, may wish to change a point of view to think everything over to the good Think, because good mentality decided the fate of the! 7, people are tired, rest; hear
33、t tired, calm. Grow up, mature, this society read. Tired and sad, squat down, to their a hug. Because the world no one can sympathize with you, have mercy on you. You cry, tears is your own; you pain, no one can understand. Then you only tears to smile. 8, each people have youth,Each youth are a sto
34、ry, the life of the world never gets easier, I want what, wish the world all know, as has been the same; now want anything, for fear that others know, or like to lose the same. 9, the heart move, everything in the world is followed by birth, Rangrang, important thing is often the most difficult to o
35、pen ones mouth, because words will reduce its importance; to let strangers people care about your life in the good things, the original is not easy 10, do not blame, do not laugh at who, also dont envy who. Like a person is a kind of feeling, not like a person is true. The truth is easy to explain,
36、I feel Is unspeakable. The best travel life is that you in a strange place found a long lost touched. 11, happy life not in the bustling in, and in the peace of mind; no matter how many grievances, how uncomfortable, and ultimately to heal themselves or their own, others may got you to comfort, but
37、never know your heart is how wanjianchuanxin. 12, maam, like a movie, learn to appreciate, learn to be grateful, learn tolerance, and goodness, helping others. Instead of accusing the society, as into one; and an exception is better to give than to what 13, dont envy him A sum of, dont lose your lif
38、e and the life, respectively is: the former is a we experienced cannot escape in a day finally will last minute, while the latter is our persistent, we want to cherish the memory of those people and things. 14, learn to smile, learn to strong, the world you know so many people, so many people and yo
39、u are, you cannot change also cant let everyone like you, so also do not want to do. Life is too short to go crazy to love to go to waste, to chase the dream to regret. 15, when temper, a blessing to go. A wounding elegant people, the key is to control their own emotions. With the mouth is the most
40、stupid behavior. A control negative emotions than a can take a city more powerful water flow slow, language is expensive. People spent two years of time to learn to speak, but to spend a few years time to shut up. That is a kind of ability, that is a kind of wisdom. 16, life is not perfect, sometime
41、s, growth is not a cry, not an eyeful of tears, there is no trace of emotion, there is no gleam of hope, no desire, no action, no static, there is only one kind of downward sinking feeling, sink A murky? 6? 7? 6? 7 sink? 6? 7? 6? 7 toward the bottom of the sink. 17, in some way, do not go, you will
42、not know the other side scenery is beautiful. To you is not good, you do not mind too much, no one has an obligation to you; you learn knowledge, is you have weapons, you can start from scratch, but not unarmed; how do you treat people, does not represent how others treat you, if cannot see through
43、this point, only inviting worry. 18, time is like a sponge in the water, as long as you are willing to squeeze, the total water is still there. Every life, after the ups and downs The best test of live, to life, survival and continuation, do not stop the struggle in the joys and sorrows of life on t
44、he road, so that different soul to bear life beat, acceptance of suffering. 19, indifferent to heart, calmly in table, elegant and comfortable life, do not take what is so important. The pursuit will be disappointed; to be alive, you will have trouble. Life is the most afraid of what all want to car
45、e about, but also what all grasp is not firm, without scenery, separated populations, such as not to desire, all docked in the fate of the end. Why is too rigid, the natural, to go stay not to live, let go of obsession, revel is 20, if the fate of the broken Hopes of sailing, please dont despair, th
46、e coast is still, if the fate of the withered petals of the beautiful, please do not sink, the spring is still, life will always be endless trouble, please dont helpless, because they are still alive, is still a dream, the sun still, we still. Lost, keep memories; to get, must work to; but the most
47、important is good to cherish their own. 21, life, select the complex, is to choose the pain; choose a simple, is choose to be happy. The complex world like aSignificance of pride. Hope is the ornate palace, outside people admiring the magnificent, living in the deep knowledge of living it to pay the
48、 price. Simple world as a simple log cabin outside ridiculed shabby, the heart is willing to go live to know the joy. Suffering and joy is their own choice. 22, learn how to use a single powerful heart, let the past be the past, let the future come. Life is really the end of the end of an eagle is f
49、lying wings, life is constantly pursuit. Dont miss to regret, dont wait for old just miss. Time to return, seize every moment, again painstakingly again tired also Those struggling to fly. 23, life could not Yimapingchuan, even flat pavement, inevitably there will be a few pieces of roadblocks. Some of the rocks around the past, while others have to move it out. Just move others put the stone is very easy, because the stone from the appearance we can discern; difficult to myself to move away the heart of stone head. Leave time to spend with her, often reflect my hea