【单选题】【消耗次数:1】
以下关于数据通信的描述中,错误的是()。
被传输的二进制代码的0、1称为码元
数据通信的任务就是传输二进制代码比特序列,不需要解释代码所表示的内容
每帧图像由1024×768个点阵组成,每个点阵用8bit表示,每秒钟传送30帧,那么每秒钟需要传送23592960bit
对语音信号取样每秒22050次,每次取样值占用1字节,双声道立体声每秒钟需要传送44100字节
参考答案:
复制
纠错
相关题目
【单选题】 设串行异步通信时,每个字符的帧格式为10位二进制数据,传送的波特率为1200,则每秒钟传输的字符数为。
①  120
②  240
③  480
④  960
【判断题】 串行通信中每秒钟传送的数据位数称为波特率。
①  正确
②  错误
【判断题】 并行通信每秒传送的二进制位数称为波特率。
①  正确
②  错误
【单选题】 系统每秒钟执行的作业数是指()
①  响应时间
②  可靠性
③  吞吐量
④  处理方式
【单选题】 2015年“双11”:阿里平台每秒钟订单创建()笔。
①  A.4万
②  B.14万
③  C.24万
④  D.34万
【单选题】 1个校验位和1个停止位,若传输速率为1000b/s,则每秒钟传输的最大字符数为()。
①  10个
②  100个
③  1000个
④  2000个
【单选题】 原码()是用表示符号的二进制代码。
①  最高位
②  最后一位
③  第4位
④  任意位
【简答题】 用二进制代码表示的计算机语言称为[填空1]
【单选题】 设串行异步通信时,数据传送的速率是800字符/秒,每个字符为12位二进制数据,则传送的波特率是。
①  1200
②  2400
③  4800
④  9600
【单选题】 设串行异步通信时,数据传送的速率是400字符/秒,每个字符为12位二进制数据,则传送的波特率是()。
①  1200
②  2400
③  4800
④  9600
随机题目
【单选题】 “If winter comes, can spring be far behind?” This is written by ______, one of the leading Romantic poets.
①  John Keats
②  William Wordsworth
③  Percy Bysshe Shelley
④  William Blake
【单选题】 William Wordsworth, a romantic poet, advocated all the following EXCEPT _______.
①  the use of everyday language spoken by the common people
②  the use of humble and rustic life as subject matter
③  the use of elegant wording and inflated figures of speech
④  the expression of the spontaneous overflow of powerful feelings
【单选题】 “Do you think, because I am poor, obscure, plain, and little, I am soulless and heartless? You think wrong!—I have as much soul as you,—and full as much heart! And if God had gifted me with some beauty and much wealth, I should have made it as hard for you to leave me, as it is now for me to leave you. ” This passage is taken from ________.
①  Emma
②  Wuthering Heights
③  Jane Eyre
④  Pride and Prejudice
【单选题】 John Keats’ famous poem______expresses the contrast between the happy world of natural loveliness and human world of agony.
①  “Endymion”
②  “Ode to a Nightingale”
③  “Ode on a Grecian Urn”
④  “Ode to Psyche”
【单选题】 As to Romanticism, which of the following statements is not right?
①  Romantic poetry is written according to fixed rules.
②  The Romanticists would return to the humble people and the common everyday life for the subjects.
③  The Romanticists not only extol the faculty of imagination, but also elevate the concepts of spontaneity and inspiration.
④  In order to achieve the effect of the individual vision, the medieval or renaissance world were particularly favored by the Romantics
【单选题】 In Tess of the D’Urbervilles, Tess, ______, is at odds with the world of cruelty and inequality.
①  a simple, innocent and faithful country girl
②  a cunning, strong minded and passionate girl
③  a beautiful, natural but mysterious country girl
④  both A and B
【判断题】 Beowulf, the oldest great long poem ever written in English, is composed in a form of epics.
①  正确
②  错误
【单选题】 _______ frequently applied “conceits” in his poems.
①  John Donne
②  John Milton
③  Edmund Spenser
④  Thomas Gray
【判断题】 The epic Paradise Lost is based on the stories from The New Testament.
①  正确
②  错误
【判断题】 Geoffrey Chaucer is the father of English poetry.
①  正确
②  错误