【单选题】【消耗次数:1】
5位二进制无符号数最大能表示的十进制整数是________。
64
63
32
31
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相关题目
【单选题】 6位二进制数最大能表示的十进制整数是______。
①  64
②  63
③  32
④  31
【单选题】 七位无符号二进制数能表示的最大十进制数为______。
①  127
②  128
③  64
④  255
【单选题】 用8位无符号二进制数能表示的最大十进制数为()
①  127
②  128
③  255
④  246
【简答题】 8位二进制补码所能表示的十进制整数范围是什么?
【单选题】 一个16位的二进制整数,用十进制数表示至少要______位。
①  4
②  6
③  5
④  7
【单选题】 十进制的整数化为二进制整数的方法是()。
①  乘2取整法
②  除2取整法
③  乘2取余法
④  除2取余法
【单选题】 将十进制的整数转化为二进制整数的方法是______。
①  乘以二取整法
②  除以二取余法
③  乘以二取小数法
④  除以二取整法
【单选题】 十进制数90转换成无符号二进制数是________。
①  1011010
②  1101010
③  1011110
④  1011100
【单选题】 十进制数140转换成无符号二进制数是______。
①  10001101B
②  11101101B
③  10001110B
④  10001100B
【判断题】 将二进制数111110化为十进制是62,将十进制数31化为二进制为11111,化为八进制为37。
①  正确
②  错误
随机题目
【单选题】 What are the guidelines for writing teaching aims in a lesson plan?
①  Clear, brief
②  Specific, students-oriented
③  Specific, teacher-oriented
④  Both A and B.
【单选题】 What is discourse competence concerned with?
①  Appropriate use of the language in social context
②  Ability to create coherent written text or conversation and the ability to understand them
③  Strategies one employs when there is communication breakdown due to lack of resources
④  Knowledge of language itself, its form and meaning.
【单选题】 What is strategic competence concerned with?
①  Appropriate use of the language in social context
②  Ability to create coherent written text or conversation and the ability to understand them
③  Strategies one employs when there is communication breakdown due to lack of resources
④  Knowledge of language itself, its form and meaning.
【单选题】 What are the five components of communicative competence?
①  Linguistic competence, pragmatic competence, discourse competence, strategic competence and fluency
②  Linguistic competence, pragmatic competence, discourse competence, strategic competence and accuracy
③  grammar competence, pragmatic competence, discourse competence, strategic competence and fluency
④  grammar competence, pragmatic competence, discourse competence, strategic competence and accuracy.
【单选题】 What are the principles of communicative language teaching?
①  Communication principle, task principle and meaningful principle
②  Communication principle, accuracy principle and meaningful principle
③  Communication principle, fluency principle and meaningful principle
④  Communication principle, task principle and purpose principle.
【单选题】 What are the listening and speaking activities in traditional pedagogy?
①  A. Listen to texts either read by the teacher or pre-recorded on the tape; repeat what is heard
②  Answer the questions according to what is heard; produce responses based on given clues
③  Retell what is heard
④  All of the above.
【单选题】 What is fluency competence concerned with?
①  Appropriate use of the language in social context
②  Ability to link units of speech together with facility and without strain or inappropriate slowness or undue hesitation
③  Strategies one employs when there is communication breakdown due to lack of resources
④  Knowledge of language itself, its form and meaning.
【单选题】 What is linguistic competence concerned with?
①  Appropriate use of the language in social context
②  Ability to create coherent written text or conversation and the ability to understand them
③  Strategies one employs when there is communication breakdown due to lack of resources
④  Knowledge of language itself, its form and meaning.
【单选题】 What is the possible solution to bridge the gap between classroom language teaching and real-life language use?
①  Task-based teaching and learning
②  Communicative language teaching
③  Presentation, practice and production
④  Engage
⑤  study
⑥  activate.
【单选题】 What is the ultimate goal of foreign language teaching?
①  Enable SS to use the foreign language in work or life
②  Enable SS to achieve accuracy of English language structure
③  Enable SS to achieve fluency of English language structure
④  Enable SS to speak standard English.