【单选题】
计算机中常用的一种检错码是CrC,即 (4) 码。在进行编码过程中要使用 (5) 运算。假设使用的生成多项式是C(x)=x4+x3+x+1。原始报文为11001010101,则编码后的报文为 (6) 。CrC码 (7) 的说法是正确的。在无线电通信中采用7中取3定比码,它规定码字长为7位,并且其中总有且仅有3个“1”则编码效率为 (8) 。
A.模二除法
B.定点二进制除法
C.二十进制除法
D.循环移位法
正确答案
正在加载...
答案解析
正在加载...
根据网考网考试中心的答案统计,该试题:
55%的考友选择了A选项43%的考友选择了B选项0%的考友选择了C选项2%的考友选择了D选项
你可能感兴趣的试题
第1题:
CompArisons wErE DrAwn BEtwEEn thE DEvElopmEnt oF tElEvision in thE 20th CEntury AnD thE DiFFusion oF printing in thE 15th AnD 16th CEnturiEs. yEt muCh hAD hAppEnED BEtwEEn.As wAs DisCussED BEForE, it wAs not until thE 19th CEntury thAt thE nEwspApEr BECAmE thE DominAnt prEElECtroniC mEDiAm, Following in thE wAkE oF thE pAmphlEt AnD thE Book AnD in thE CompAny oF thE pErioDiCAl. it wAs During thE sAmE timE thAt thE CommuniCAtions rEvolution spEEDED up, BEginning with trAnsport, thE rAilwAy, AnD 第2题:
CompArisons wErE DrAwn BEtwEEn thE DEvElopmEnt oF tElEvision in thE 20th CEntury AnD thE DiFFusion oF printing in thE 15th AnD 16th CEnturiEs. yEt muCh hAD hAppEnED BEtwEEn.As wAs DisCussED BEForE, it wAs not until thE 19th CEntury thAt thE nEwspApEr BECAmE thE DominAnt prEElECtroniC mEDiAm, Following in thE wAkE oF thE pAmphlEt AnD thE Book AnD in thE CompAny oF thE pErioDiCAl. it wAs During thE sAmE timE thAt thE CommuniCAtions rEvolution spEEDED up, BEginning with trAnsport, thE rAilwAy, AnD