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img[data-uncomfortable]{content:url(data:image/svg+xml,%3csvg%20xmlns%3d%22http%3a%2f%2fwww.w3.org%2f2000%2fsvg%22%20viewbox%3d%220%200%20344.88888888888886%20214%22%3e%3cforeignobject%20width%3d%22344.88888888888886%22%20height%3d%22194%22%3e%0a%20%20%20%20%20%20%3cdiv%20xmlns%3d%22http%3a%2f%2fwww.w3.org%2f1999%2fxhtml%22%20style%3d%22font-size%3a%2013px%3b%20font-family%3a%20-apple-system%2c%20blinkmacsystemfont%2c%20microsoft%20yahei%2c%20sans-serif%3b%20color%3a%20%23fff%3b%20width%3a100%25%3b%20height%3a194px%3b%22%3e%0a%20%20%20%20%20%20%20%20%3cdiv%20style%3d%22display%3a%20flex%3b%20flex-direction%3a%20column%3b%20align-items%3a%20center%3b%20justify-content%3a%20center%3b%20height%3a%20100%25%3b%22%3e%0a%20%20%20%20%20%20%20%20%20%20%3csvg%20xmlns%3d%22http%3a%2f%2fwww.w3.org%2f2000%2fsvg%22%20width%3d%2218%22%20height%3d%2218%22%20viewbox%3d%220%200%2016%2016%22%20fill%3d%22currentcolor%22%3e%3cpath%20d%3d%22m8%203.65a7%207%200%2000-1.353.128.65.65%200%2011-.25-1.275a8.3%208.3%200%20018%202.35c2.387%200%204.172.954%205.357%202.125c14.511%205.615%2015.15%207.022%2015.15%208c0%20.621-.257%201.391-.699%202.134a7.076%207.076%200%2001-1.403%201.68l.495.46a.65.65%200%2011-.886.951l-.998-.929a.645.645%200%2001-.104-.097l9.73%2010.501a.647.647%200%2001-.29.301%203.15%203.15%200%2001-4.313-4.094.647.647%200%2001.234-.275l3.908%205.08a5.774%205.774%200%2000-1.283%201.522c2.282%207.198%202.15%207.707%202.15%208c0%20.522.41%201.616%201.407%202.6.965.954%202.43%201.75%204.443%201.75.468%200%20.905-.043%201.311-.12a.65.65%200%2001.243%201.277a8.322%208.322%200%20018%2013.65c-2.387%200-4.172-.954-5.357-2.125c1.49%2010.385.85%208.978.85%208c0-.598.238-1.333.648-2.046a7.054%207.054%200%20012.95%204.188l-.547-.509a.65.65%200%2011.886-.951l8.8%208.194a5.793%205.793%200%20001.244-1.453c.372-.624.516-1.163.516-1.469%200-.522-.41-1.616-1.407-2.6-.965-.954-2.43-1.75-4.443-1.75zm6.29%207.296a1.85%201.85%200%20002.534%202.36l-2.535-2.36zm8%204.85a.65.65%200%20100%201.3%201.85%201.85%200%20011.843%201.694.65.65%200%20101.296-.11a3.15%203.15%200%20008%204.85z%22%20fill-rule%3d%22evenodd%22%20clip-rule%3d%22evenodd%22%3e%3c%2fpath%3e%3c%2fsvg%3e%0a%20%20%20%20%20%20%20%20%20%20%3cdiv%20style%3d%22margin%3a%20.6em%200%201.2em%22%3e%e8%af%a5%e5%9b%be%e7%89%87%e6%9c%89%e5%8f%af%e8%83%bd%e4%bc%9a%e5%bc%95%e8%b5%b7%e4%b8%8d%e9%80%82%3c%2fdiv%3e%0a%20%20%20%20%20%20%20%20%20%20%3cbutton%20style%3d%22padding%3a%204px%201em%3b%20font-size%3a%201.1em%3b%20color%3a%20inherit%3b%20background%3a%20none%3b%20border%3a%201px%20solid%20rgba%28255%2c255%2c255%2c.5%29%3b%20border-radius%3a%209999px%3b%22%3e%e7%bb%a7%e7%bb%ad%e6%9f%a5%e7%9c%8b%3c%2fbutton%3e%0a%20%20%20%20%20%20%20%20%3c%2fdiv%3e%0a%20%20%20%20%20%20%3c%2fdiv%3e%0a%20%20%20%20%3c%2fforeignobject%3e%3c%2fsvg%3e);width:100%;height:194px;background:url(https://pic1.zhimg.com/v2-cf70d0759d787c70091857151c1cad4a.jpeg) no-repeat rgba(191,191,191,0.7);background-size:cover;cursor:pointer!important;}.css-jflero img.content_image[data-size=”normal”],.css-jflero img.origin_image[data-size=”normal”]{width:100%;max-width:100%;}.css-jflero img.content_image[data-size=”small”],.css-jflero img.origin_image[data-size=”small”]{width:320px;max-width:100%;}@-webkit-keyframes animation-1yvu044{from{opacity:0;}to{opacity:1;}}@keyframes animation-1yvu044{from{opacity:0;}to{opacity:1;}}自己于2021年刚参加过考研，成功以cs专业第一上岸北京邮电大学网研院，初试成果如下:
一.考408的院校（信息从大众号获得，需要自个去核实）
985类:浙大，中科大，上交，复旦，中山，同济，华南理工
211类:上海大学，武汉理工，郑州大学
其他:深圳大学
阐明:尽管许多学校不考408，可是大有些学校都是考408四门课程中的某几门，故也可以参阅本篇文章。
二.408试卷规划与参阅书目
数据规划45分，核算机构成原理45分，操作体系35分，核算机网络25分；
试卷题型规划:单项选择题，80分（40小题，每小题2分）；归纳题，70分；
参阅书目:
王道2021核算机考研的4本书与对应的视频课；
408联考历年真题（附上王道论坛的联接）:
数据规划:《数据规划c言语版》严蔚敏；
核算机构成原理:《核算机构成原理（第2版）》唐朔飞；
操作体系:《核算机操作体系（第四版）》 汤小丹；
核算机网络:《核算机网络（第7版）》 谢希仁；
三.温习经历
最晚暑假必定要初步专业课的温习，基础不好的同学必定要分配着王道讲义配套的视频课一同看，需要食物的话请重视我之后加qq群860475866，群里有我其时用的材料。另外自我感触四门课在408联考中的难度排序为计组>os>数据规划>计网，四门课程中花费时刻最多的大约是计组与数据规划。
1.计组篇
经过我做真题发现，核算机联考计组出的题是最难的，而且有与os联系出题的趋势，标题较为凌乱。
计组中的重难点:核算机的功能方针、ieee754标准、sram与dram、高速缓存存储器cache、指令寻址、cisc与risc、指令流水线、中止与dma
计组中有许多个周期有必要搞理解:机器周期、时钟周期、指令周期、存取周期、总线周期、中止周期、dma周期等等
计组和os联系出题（大题）:tlb快表与cache与虚拟存储页之间的联络改换了解透彻
计组的指令寻址:指令寻址有10余种，可将隐含寻址、当即数寻址、直接寻址、直接寻址、存放器寻址、存放器直接寻址一同学，将相对寻址、基址寻址、变址寻址比照着学，中心是搞理解地址是如何改换的。
计组需要点回想的点:sram与dram差异与联络、cisc与risc的差异与联络、中止与dma的差异、中止处置进程、总线标准等等
2.os篇
os的常识点大都是需要了解性的，而且回想性的东西许多，408联考关于os的查询仍是比照深的。
os中的重难点:中止与异常、进程的根柢概念、进程同步、死锁、处置机调度、内存（包括虚拟内存）、文件的物理规划
os中有许多关于调度的算法（思维大致相同、必定要理理解）:进程处置机调度（fcfs、sjf、优先级、呼应比、时刻片、多级反应行列），页面置换算法（opt、fifo、lru、clock算法），磁盘调度（fcfs、sstf、scan、c-scan）等
进程同步（大题）:方案到完成进程同步与互斥。在掌控经典算法（出产者-花费者、读者-写者、哲学家进餐、吸烟者疑问）的基础上，把王道课后的习题多做几遍，第一和第二遍可直接看答案、今后再自个做。
内存打点:从接连分配方法到非接连分配方法、再到虚拟内存，连成一个全体去学。初专家对页表、页表项、页表长度、页内偏移量、页面巨细、页号、页表项长度等等概念可以会晕头转向，看视频课多了解几回就会发现其实很简略。其实内存改换只需要了解逻辑规划、物理规划、根柢地址改换是怎么进行的，就会捋顺分页、分段、段页的差异。
3.数据规划篇
数据规划回想的东西很少，根柢上都是了解性的。而且408统考偏核算，数据规划的选择题都特别像数学题。
数据规划也就分为几个有些包括线性表、栈与行列、树、图，咱们学的时分大约依照逻辑规划与物理规划的次序打开，在脑子里要有这样思维。
关于查找与排序:需要类推着一切办法学，了解它们之间的差异与联络。
数据规划有许多概念需要理顺:逻辑规划与物理规划、时刻凌乱度的核算、栈与行列的差异、树的深度与高度、图的极大连通子图、连通分量、极小连通子图、强连通分量等、b树与b+树的差异等
数据规划的代码题。信赖这是我们最头疼的当地，我的主张就是第一遍学王道代码的时分看懂即可，后边的课后习题许多（第一遍直接看答案看懂）。今后的遍数再自个着手写，着手写的多了就觉得简略啦。关于树与图递归说两句，不要纠结于核算机究竟是怎么运转的，408出的递归题不会太难，都是模板化的题。等将王道课子孙码题都掌控了，你就发现代码题其实不难。
4.计网篇
计网也就是五个层次，了解不难，可是回想的东西许多许多。另外408出的计网题也偏简略，大都是回想型的。计网的学习需要联接成一个全体、从物理层到数据链路层，再到网络层、传输层、最终使用层，关于物理层与使用层出题不多，都是选择题。
计网中的重难点:核算机网络体系规划、流量控制、介质造访控制、ipv4、路由协议与路由算法、tcp与udp、tcp可靠传输与拥塞控制
计网中比照多的就是各种协议（dhcp,arp,icmp,igmp,rip,ospf,bgp,tcp,ftp等等），协议必定要搞理解是在哪个当地、啥作用。
5.真题篇
真题我上面现已给出了联接，王道论坛也给出晓得析，免费共享给考研的咱们，另外王道论坛中有考上的热心学长们的经历，可以去看看。
408的历年真题非常具有代表性，出的题都特别经典，主张需要做3遍以上。因为王道的讲义上许多就现已做过啦，所以不要太介意分数，掌控每个出题的常识点才是重中之重。
要考408的同学们必定要顶住压力，不要惧难，信赖自个！！预祝准研讨生们能考出一个好成果。
请留下你的赞和谢谢，谢谢！！考北邮的同学有疑问可以私信我，看见就回。