• 2022-06-29 问题

    字母表是 {0, 1},包含01子串的所有串为()。 A: (0|1)*(01)+ B: (0|1)*01 C: (0*010*10*)* D: (0|1)*01(0|1)*

    字母表是 {0, 1},包含01子串的所有串为()。 A: (0|1)*(01)+ B: (0|1)*01 C: (0*010*10*)* D: (0|1)*01(0|1)*

  • 2022-05-30 问题

    If a=&#91;1 4;5 6&#93;, c=a<5. Then c=? A: 0 1 1 0 B: 0 01 1 C: 1 10 0 D: 1 01 0

    If a=&#91;1 4;5 6&#93;, c=a<5. Then c=? A: 0 1 1 0 B: 0 01 1 C: 1 10 0 D: 1 01 0

  • 2022-06-07 问题

    What are the differences about taste and nature between yellow beef and buffalo beef? A: Yellow beef is sweet and even; buffalo beef is pungent and cold B: Yellow beef is sweet and warm; buffalo beef is pungent and cold C: Yellow beef is sweet and warm; buffalo beef is sweet and cold D: Yellow beef is sweet and warm; buffalo beef is pungent and cold

    What are the differences about taste and nature between yellow beef and buffalo beef? A: Yellow beef is sweet and even; buffalo beef is pungent and cold B: Yellow beef is sweet and warm; buffalo beef is pungent and cold C: Yellow beef is sweet and warm; buffalo beef is sweet and cold D: Yellow beef is sweet and warm; buffalo beef is pungent and cold

  • 2022-06-29 问题

    上题中的 L={字符串长度为偶数,以 1 结尾;或字符串长度为奇数,以 0 结尾} 的一种正则表示为 A: (10 + 11 + 01 + 00) * 0 + (10 + 11 + 01 + 00) *(11 + 01) B: (10 + 11 + 01 + 00) * 0 + (10 + 11 + 01 + 00) * 01 + 11 C: (10 + 11 + 01 + 00) *1 + (10 + 11 + 01 + 00) *(10 + 00) D: (10 + 11 + 01 + 00) *1 + (10 + 11 + 01 + 00) *00 + 10

    上题中的 L={字符串长度为偶数,以 1 结尾;或字符串长度为奇数,以 0 结尾} 的一种正则表示为 A: (10 + 11 + 01 + 00) * 0 + (10 + 11 + 01 + 00) *(11 + 01) B: (10 + 11 + 01 + 00) * 0 + (10 + 11 + 01 + 00) * 01 + 11 C: (10 + 11 + 01 + 00) *1 + (10 + 11 + 01 + 00) *(10 + 00) D: (10 + 11 + 01 + 00) *1 + (10 + 11 + 01 + 00) *00 + 10

  • 2022-06-16 问题

    正则表达式(01|10|1001|0110)*与下列哪个表达式一样?1.(0|1)*2.(01|01)*3.(01|10)*4.(11|01)*5.(01|1)*

    正则表达式(01|10|1001|0110)*与下列哪个表达式一样?1.(0|1)*2.(01|01)*3.(01|10)*4.(11|01)*5.(01|1)*

  • 2022-06-10 问题

    下列码字中哪个不是唯一可译码 A: {00 01 10 11} B: {0 01 011 0111} C: {0 10 110 1110} D: {0 10 1101 1001}

    下列码字中哪个不是唯一可译码 A: {00 01 10 11} B: {0 01 011 0111} C: {0 10 110 1110} D: {0 10 1101 1001}

  • 2022-05-26 问题

    (17)0÷(-17)-1=______.

    (17)0÷(-17)-1=______.

  • 2021-04-14 问题

    【单选题】一个(3,2,1)卷积码的编码器,【图片】【图片】【图片】【图片】【图片】【图片】假设输入X=(1 1 0 1 1 0) ,求编码器编码输出 A. ( 1 10 , 0 00 , 0 01 , 111 , 0 00 , … ) B. ( 1 1 1 , 1 00 , 0 01 , 111 , 0 00 , … ) C. ( 1 1 0 , 1 00 , 1 01 , 111 , 0 00 , … ) D. ( 1 1 1 , 1 00 , 0 01 , 11 0 , 0 00 , … )

    【单选题】一个(3,2,1)卷积码的编码器,【图片】【图片】【图片】【图片】【图片】【图片】假设输入X=(1 1 0 1 1 0) ,求编码器编码输出 A. ( 1 10 , 0 00 , 0 01 , 111 , 0 00 , … ) B. ( 1 1 1 , 1 00 , 0 01 , 111 , 0 00 , … ) C. ( 1 1 0 , 1 00 , 1 01 , 111 , 0 00 , … ) D. ( 1 1 1 , 1 00 , 0 01 , 11 0 , 0 00 , … )

  • 2022-07-02 问题

    isprime(17)的值是( )。 A: 0 B: 1 C: 17 D: -17

    isprime(17)的值是( )。 A: 0 B: 1 C: 17 D: -17

  • 2022-06-07 问题

    What is the difference between the food taste of yellow beef and buffalo beef? A: Beef tastes sweet and mild; Buffalo tastes pungent and cool B: Beef tastes sweet and warm; Buffalo tastes pungent and cool C: Beef tastes sweet and warm; Buffalo tastes sweet and cool D: Beef tastes sweet and warm; Buffalo tastes pungent and cool

    What is the difference between the food taste of yellow beef and buffalo beef? A: Beef tastes sweet and mild; Buffalo tastes pungent and cool B: Beef tastes sweet and warm; Buffalo tastes pungent and cool C: Beef tastes sweet and warm; Buffalo tastes sweet and cool D: Beef tastes sweet and warm; Buffalo tastes pungent and cool

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