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1数制和码制193多选题{1A13}16-180001.下列BCD码中有权码有()。A.8421BCDB.余3BCDC.5211BCDD.格雷(循环)码1.AC2.下列BCD码中无权码有()。A.8421BCDB.余3BCDC.5211BCDD.格雷(循环)码2.BD3.下列二进制数中是奇数的有()。A.00101001111110101B.00010000110111010C.10111011111101D.10000000111101013.ACD4.下列8421BCD码中是偶数的有()。A.001011110101B.000110111010C.101110111110D.1000001111014.BC5.下列十六进制数中是奇数的有()。A.37FB.2B8C.34ED.FF75.AD6.下列十六进制数中是偶数的有()。A.37FB.2B8C.34DD.F3E6.BD7.比十进制数0.1D大的数是()。A.二进制数0.1BB.8421BCD码0.0001C.八进制数0.1QD.十六进制数0.1H7.AC8.比十进制数10D小的数是()。A.十六进制数10HB.二进制数10BC.8421BCD码00010000D.八进制数10Q8.BD9.5211BCD码的特点是()。A.具有逻辑相邻性B.具有奇偶校验特性C.是一种有权码D.按二进制数进行计数时自动解决了进位问题9.CD10.余3BCD码的特点是()。A.当作二进制码看比等值的8421BCD码多3B.是一种有权码C.按二进制进行加法时自动解决了进位问题D.具有逻辑相邻性10.AC11.格雷(循环)码的特点是()。A.逻辑相邻B.折叠性C.是一种有权码D.反射性11.ABD12.下列二进制数中能被4整除的有()。A.0010100111111000B.00010000110111010C.1011101111100D.100000001111010112.AC13.下列十六进制数中能被4整除的有()。A.37CB.2B8C.34DD.F3E13.AB14.下列八进制数中能被4整除的有()。A.3732B.3614C.5216D.671014.BD15.下列十六进制数中能被8整除的有()。A.37C0B.2B7C.348D.F3E15.AC16.下列代码中那些属于BCD码()。A.8421码B.余3码C.2421码D.余3循环码16.ABCD单选题{1A23}102-180341.二进制数1101的循环码是()。A.1010B.0101C.1011D.10001.C2.二进制数0110的循环码是()。A.1010B.0101C.1011D.10002.B3.十进制数63的余3循环BCD码是()。A.11010101B.01100011C.10111011D.100011013.A说明:余3循环BCD码是先求余3再求循环4.表示一位十进制数至少需要()位二进制数。A.3B.2C.5D.44.D5.表示一个两位十进制数至少需要()位二进制数。A.5B.6C.7D.85.C6.表示一个两位十六进制数至少需要()位十进制数。A.2B.3C.4D.56.B7.十进制数127.25对应二进制数为()。A.1111111.01B.10000000.10C.1111110.01D.1100011.117.A8.十进制数39.54的余3BCD码是()。A.00111000.01000011B.01011011.01110110C.01101100.10000111D.01111101.100110008.C9.十进制数28.43的余3BCD码是()。A.00111000.01000011B.01011011.01110110C.01101100.10000111D.01111101.100110009.B10.十进制数47.65的余3BCD码是()。A.00111000.01000011B.01011011.01110110C.01101100.10000111D.01111010.1001100010.D11.十进制数5.10的余3BCD码是()。A.00111000.01000011B.01011011.01110110C.01101100.10000111D.01111101.1001100011.A12.在ASCII的下列字符中,最大的字符是()。A.AB.zC.9D.012.B13.在ASCII的下列字符中,最小的字符是()。A.AB.zC.9D.013.D14.10进制整数化成二进制数()。A.可能是带小数B.只能是整数C.可能是纯小数D.可能是循环小数14.B15.10进制有限位纯小数化成二进制数()。A.可能是带小数B.可能是整数C.只能是纯小数D.不可能是循环小数15.C16.二进制码1001对应的余3BCD码是()。A.1000B.1100C.1011D.101016.B17.BCD码0101对应的格雷码是()。A.1111B.1000C.0111D.011017.C18.BCD码1001对应的余3码是()。A.1100B.1000C.0111D.011018.A19.二进制码1100对应的循环码是()。A.1000B.1001C.1011D.101019.D20.下列BCD码中有权码有()。A.8421BCDB.余3BCDC.余3循环码D.格雷(循环)码20.A21.下列BCD码中无权码有()。A.8421BCDB.余3BCDC.5211BCDD.4221BCD21.B22.下列二进制数中是奇数的有()。A.00101001111110101B.00010000110111010C.10111.01111110D.10000000111101022.A23.下列8421BCD码中是偶数的有()。A.0101001111110101B.0010000110111010C.0111.01111101D.10000011110123.B24.下列十六进制数中是奇数的有()。A.37FB.2B8C.34ED.FFA24.A25.下列十六进制数中是偶数的有()。A.37FB.2BCC.34DD.F3925.B26.将二进制、八进制和十六进制数转换为十进制数的共同规则是()。A.除n取余B.n位转1位C.按权展开D.乘n取整26.C27.二进制数1101的循环码是()。A.1011B.0101C.1100D.101027.A28.二进制数0110的循环码是()。A.0110B.0101C.1100D.101128.B29.十进制数26.625对应的二进制数为()。A.11010.111B.1100.011C.11010.101D.0101.1111111029.C30.十六进制数5FE对应的二进制数为()。A.10111001011B.11100111100C.11010101D.01011111111030.D31.二进制数1101011.011对应的十进制数为()。A.107.375B.124.365C.224.125D.95.62531.A32.十进制数107.375对应的8421BCD码为()。A.001010011100.001111101010B.000100000111.001101110101C.00010111.011111101000D.100000001110.11001110101032.B33.二进制数1101011.011对应的八进制数为()。A.273.6B.115.3C.153.3D.69.633.C34.二进制数1101011.011对应的十六进制数为()。A.153.6B.115.6C.6B.3D.6B.634.D35.与二进制数10110等值的十进制数是()。A.31B.22C.47D.1835.B36.与二进制数101111010等值的十进制数是()。A.378B.216C.155D.24536.A37.与二进制数0.1011等值的十进制数是()。A.1.1675B.0.6875C.2.4423D.0.165537.B38.与二进制数101.011等值的十进制数是()。A.5.675B.3.625C.5.375D.5.17538.C39.与十六进制数3B等值的十进制数是()。A.73B.21C.56.25D.5939.D40.与十六进制数FF等值的十进制数是()。A.255B.1515C.375D.11540.A41.与十六进制数7A.1等值的十进制数是()。A.122.19140625B.66.125C.122.0625D.642.312541.C42.8421BCD码100101010011.00110111表示的十进制数为()。A.937.28B.4523.156C.378.37D.953.3742.D43.2421BCD码001111110001.01011111表示的十进制数为()。A.391.59B.356.24C.221.57D.311.2343.A44.数字字符9对应的ASCII码为()。A.9DB.109DC.489DD.57D44.D45.字母字符b对应的ASCII码为()。A.98DB.66DC.49DD.128D45.A46.大写字母对应的ASCII码的范围为()。A.65D~90DB.97D~122DC.32D~57DD.48D~73D46.A47.小写字母对应的ASCII码的范围为()。A.65D~90DB.97D~122DC.32D~57DD.48D~73D47.B48.数字对应的ASCII码的范围为()。A.65D~74DB.97D~116DC.32D~41DD.48D~57D48.D49.二进制数1101011.011对应的十六进制数为()。A.6B.3B.53.3C.6B.6D.73.349.C50.二进制数1101011.011对应的八进制数为()。A.63.3B.153.3C.65.6D.47.650.B51.十进制数34的余3循环BCD码是()。A.10110101B.01100011C.10110101D.0101010051.D说明:00111000→01100111→0101010052.与二进制数1111等值的十进制数为()。A.15B.7C.14D.3152.A53.与二进制数10101等值的十进制数为()。A.17B.21C.13D.6953.B54.与二进制数100110等值的十进制数为()。A.22B.70C.38D.13454.C55.与二进制数1101101等值的十进制数为()。A.234B.317C.89D.10955.D56.与十进制数9等值的二进制数为()。A.1001B.0101C.10001D.011056.A57.与十进制数35等值的二进制数为()。A.110001B.100011C.101101D.11100157.B58.与十进制数209等值的二进制数为()。A.10110001B.11000111C.11010001D.1001110158.C59.十进制数97转换成8421BCD码为()。A.1100001B.1010111C.10010101D.1001011159.D60.十进制数254转换成8421BCD码为()。A.001001010100B.11111100C.11111110D.00100011010060.A61.十进制数963转换成8421BCD码为()。A.101111000011B.100101100011C.101110010111D.11011100100061.B62.8421BCD码010101010101转换成十进制数为()。A.1365B.697C.555D.43362.C63.8421BCD码001101111000转换成十进制数为()。A.888B.526C.196D.37863.D64.8421BCD码001001010100转换成十进制数为()。A.254B.252C.1124D.125064.A说明:用
本文标题:01章数制与码制复习题
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