没有合适的资源?快使用搜索试试~ 我知道了~
计算机网络技术基础知识汇总.docx
1.该资源内容由用户上传,如若侵权请联系客服进行举报
2.虚拟产品一经售出概不退款(资源遇到问题,请及时私信上传者)
2.虚拟产品一经售出概不退款(资源遇到问题,请及时私信上传者)
版权申诉
0 下载量 28 浏览量
2022-07-13
17:19:10
上传
评论
收藏 93KB DOCX 举报
温馨提示
试读
42页
difficult, not hating; blueprints, not rhetoric; words and simple, but full of love, truth, passion, entrepreneurial passion. Take this opportunity, my inspirational quotes Li Dazhao's classic "iron specialise in uplifting blend with the article" gave everyone, with a view on how to do well under the new situation of township and village leaders inspire and help, and also share with you. A good play to create iron shoulders strong arms, to assume the burden be passed; only specific qualities,
资源推荐
资源详情
资源评论
difficult, not hating; blueprints, not rhetoric; words and simple, but full of love, truth, passion, entrepreneurial passion. Take this opportunity, my inspirational quotes Li Dazhao's classic "iron specialise in uplifting blend with the article" gave everyone, with a view on how to do well under the new situation of township and village leaders inspire and help, and also share with you. A good play to create iron shoulders strong arms, to assume the burden be passed; only specific qualities, will it be possible in specific areas to create a world. In my view, village chiefs in the new situation, we must first have five basic quality. One ambition is to pioneer. "Who is handsome." People only high-minded can stimulate the flow of momentum to become brave and persistent, become quiet and powerful. Township and village party "leaders", within their respective jurisdictions, political stability and economic and social development issues, decisions and orientation depends to a large extent
because of your. Everybody in village chiefs and the positions, both the trust of the masses, the Organization's trust, more ability to you, fully affirmed the moral and other qualities. Therefore, we must always maintain the historical mission and social responsibility, and our ideal tree rooted in the hard work of the soil, with indomitable spirit, indomitable courage to open up a new situation of villages and towns. To have a feeling of closeness to the second. "The people and country." Our business foundation in the people's blood in the people power people. Advanced decisions of the party cadres to the feelings of the people is an eternal theme. Fan Zhong-yan, called "first, and enjoy comfort about others", Zheng Banqiao's also wrote a "Ya Chai lay listening to the rustling of bamboo, the suspect is suffering. Cao County officials, little my, a total turn off. "Old of feudal official even has so feelings, alone we is to" serving "for purposes of people servant does? we more should
always hold with on people of deep feelings, heart Department masses of leading visited tea, care masses of emotions thoughts complained, always insisted put masses of interests put in first, consciously from itself do up, from small do up, from masses most care, and most directly, and most reality of interests problem grabbed, real do love for people by Department, and right for people by with, and Lee for people by conspiracy to. Three with the fame of mind. "Non-indifferent not insist your dream, without serenity not go far." Ascension to fame is morality, is the sublimation of the soul. As Township and village, be sure to maintain a normal state of mind, establish a correct viewpoint on power, position and values and Outlook, as fame is light like water, depending ... 50 km, also red and like hundreds of thousands of the KMT military combat, but he went on to collect a variety of newspapers and magazines, and then race against time to pore over. As long as the study of mind, it is not
necessary to come to the library, workshops, into the villages, people learned farming techniques, problem-solving methods, participation in
混凝土具有原料丰富,价格低廉,生产工艺简单的特点,因而使其用量越来越大。同时混凝土还具有抗压强度高,耐久性好,强度等级范围宽等特点。
conferences, learned superiors policies; reports, you can learn to deal with problems, art, just wanted to learn, to learn at any time. To continuously expand the scope of the study. The complexity and comprehensiveness of our work, decided to not only do we want to be "professionals", or if "generalists", to dabble in different areas of knowledge. Mastery of knowledge not only to have knowledge to rational analysis. This on requirements we, not only to learning national of route, and approach, and policy, also to learning national of legal, and regulations; not only to with political theory armed mind, also to with economic theory guide work; not only to read history, also to read history; not only to absorption SM of mirror, also to gets is of road; not only to from local learn, also to to outside learn; not only to to books learn, also to field study learn. Therefore, I would encourage you, and more to the outside world when I have time to take a look at, take a stroll, outside
developments, learn other people's development approach, and then come back to guide our work. Second, we must think. "Learning without thought to overshadow, thinking without learning is perilous." We want to foster the character of advancing with the times, forge ahead, often reflect themselves in adapting to the new situation on whether there are delays, have anything to fear in the reform and innovation, whether in terms of accelerating the development of a relaxation, keep promising State of mind. In order to do investigations, investigations is the road to heaven, God disposes of the base. To wants to real heard truth, and justice to truth, and get truth, received effectiveness, on must in-depth actual, and outreach, and in-depth masses, worship masses for Division, and masses heart, with masses with discussion everyone care of problem, listening they of calls, understand they of mood, feel they of suffering, summary they of experience, concentrated they of wisdom,
especially on masses most hope, and most urgent, and most worries, and most complained of hot, and difficulties and focus problem, more to active research, caught not put. Dare to innovate, in our work, often remain "the old way doesn't work, the new approach would not" situation, the reason, the key is that many people know that copying other people's ideas, mechanically, using someone else's old ways. To change this predicament, requires us to break the shackles of traditional concepts to overcome conservative, conformist, good at finding new problems and to accept new things, summarize new experience, new ideas, developing new programmes and Maverick, a new approach to solve problems, speed up development. Especially in implement superior policy spirit of process in the, both implementation, and cannot mechanically, to to extraordinary of courage and develop enterprising of spirit, put flexibility and principle combined up, put superior of spirit and local reality
combined up, Yong conspiracy to breakthrough of policy, and exercise innovation of lift, developed out development works of, and grass-roots welcomes of
计算机网络技术基础知识汇总
第一章 计算机基础知识
1、计算机的发展阶段:经历了以下 5 计算机的发展阶段 个阶段(它们
是并行关系):大型机阶段 (经历四小阶段它们是取代关系)、小型机 阶
段、微型机阶段、客户机/服务器阶段 (对等网络与非对网网络的概念)
和互联 网阶段 (Arpanet 是在 1983 年第一个使用 TCP/IP 协议的。
在 1991 年 6 月我国第一条与国际互联网 连接的专线建成它从中国
科学院高能物 理研究所接到美国斯坦福大学的直线加 速器中心。在
1994 年实现 4 大主干网互 连(中国公用计算机互联网 Chinanet、中
国科学技术网 Cstnet、中国教育和科研 计 算 机 网 Cernet 、 中 国
金 桥 信 息 网 ChinaGBN) 2、计算机种类: 计算机种类: 按照传统
的分类方法:计算机可以分 为 6 大类:大型主机、小型计算机、个人
计算机、工作站、巨型计算机、小巨型机。 按照现实的分类方法:计
算机可以分 为 5 大类:服务器、工作站、台式机、笔 记本、手持设
备。 计算机的公共配置: 3 、 计算机的公共配置 : CPU、内存
(RAM)、高速缓存(Cache)、硬盘、光 驱、显示器(CRT、LCD)、操作
系统(OS) 4、计算机的指标:位数指 CPU 寄存 计算机的指标: 器中能
够保存数据的位数、速度(MIPS、 MFLOPS)指 CPU 每秒钟处理的指令数
通常
8、安腾芯片的技术特点:安腾是 64 安腾芯片的技术特点 位芯片,主
要用于服务器和工作站。安腾 采用简明并行指令计算(EPIC)技术 9、
主机板与插卡的组成: 主机板与插卡的组成: (1) 主机板简称主板
difficult, not hating; blueprints, not rhetoric; words and simple, but full of love, truth, passion, entrepreneurial passion. Take this opportunity, my inspirational quotes Li Dazhao's classic "iron specialise in uplifting blend with the article" gave everyone, with a view on how to do well under the new situation of township and village leaders inspire and help, and also share with you. A good play to create iron shoulders strong arms, to assume the burden be passed; only specific qualities, will it be possible in specific areas to create a world. In my view, village chiefs in the new situation, we must first have five basic quality. One ambition is to pioneer. "Who is handsome." People only high-minded can stimulate the flow of momentum to become brave and persistent, become quiet and powerful. Township and village party "leaders", within their respective jurisdictions, political stability and economic and social development issues, decisions and orientation depends to a large extent
because of your. Everybody in village chiefs and the positions, both the trust of the masses, the Organization's trust, more ability to you, fully affirmed the moral and other qualities. Therefore, we must always maintain the historical mission and social responsibility, and our ideal tree rooted in the hard work of the soil, with indomitable spirit, indomitable courage to open up a new situation of villages and towns. To have a feeling of closeness to the second. "The people and country." Our business foundation in the people's blood in the people power people. Advanced decisions of the party cadres to the feelings of the people is an eternal theme. Fan Zhong-yan, called "first, and enjoy comfort about others", Zheng Banqiao's also wrote a "Ya Chai lay listening to the rustling of bamboo, the suspect is suffering. Cao County officials, little my, a total turn off. "Old of feudal official even has so feelings, alone we is to" serving "for purposes of people servant does? we more should
always hold with on people of deep feelings, heart Department masses of leading visited tea, care masses of emotions thoughts complained, always insisted put masses of interests put in first, consciously from itself do up, from small do up, from masses most care, and most directly, and most reality of interests problem grabbed, real do love for people by Department, and right for people by with, and Lee for people by conspiracy to. Three with the fame of mind. "Non-indifferent not insist your dream, without serenity not go far." Ascension to fame is morality, is the sublimation of the soul. As Township and village, be sure to maintain a normal state of mind, establish a correct viewpoint on power, position and values and Outlook, as fame is light like water, depending ... 50 km, also red and like hundreds of thousands of the KMT military combat, but he went on to collect a variety of newspapers and magazines, and then race against time to pore over. As long as the study of mind, it is not
necessary to come to the library, workshops, into the villages, people learned farming techniques, problem-solving methods, participation in
混凝土具有原料丰富,价格低廉,生产工艺简单的特点,因而使其用量越来越大。同时混凝土还具有抗压强度高,耐久性好,强度等级范围宽等特点。
conferences, learned superiors policies; reports, you can learn to deal with problems, art, just wanted to learn, to learn at any time. To continuously expand the scope of the study. The complexity and comprehensiveness of our work, decided to not only do we want to be "professionals", or if "generalists", to dabble in different areas of knowledge. Mastery of knowledge not only to have knowledge to rational analysis. This on requirements we, not only to learning national of route, and approach, and policy, also to learning national of legal, and regulations; not only to with political theory armed mind, also to with economic theory guide work; not only to read history, also to read history; not only to absorption SM of mirror, also to gets is of road; not only to from local learn, also to to outside learn; not only to to books learn, also to field study learn. Therefore, I would encourage you, and more to the outside world when I have time to take a look at, take a stroll, outside
developments, learn other people's development approach, and then come back to guide our work. Second, we must think. "Learning without thought to overshadow, thinking without learning is perilous." We want to foster the character of advancing with the times, forge ahead, often reflect themselves in adapting to the new situation on whether there are delays, have anything to fear in the reform and innovation, whether in terms of accelerating the development of a relaxation, keep promising State of mind. In order to do investigations, investigations is the road to heaven, God disposes of the base. To wants to real heard truth, and justice to truth, and get truth, received effectiveness, on must in-depth actual, and outreach, and in-depth masses, worship masses for Division, and masses heart, with masses with discussion everyone care of problem, listening they of calls, understand they of mood, feel they of suffering, summary they of experience, concentrated they of wisdom,
especially on masses most hope, and most urgent, and most worries, and most complained of hot, and difficulties and focus problem, more to active research, caught not put. Dare to innovate, in our work, often remain "the old way doesn't work, the new approach would not" situation, the reason, the key is that many people know that copying other people's ideas, mechanically, using someone else's old ways. To change this predicament, requires us to break the shackles of traditional concepts to overcome conservative, conformist, good at finding new problems and to accept new things, summarize new experience, new ideas, developing new programmes and Maverick, a new approach to solve problems, speed up development. Especially in implement superior policy spirit of process in the, both implementation, and cannot mechanically, to to extraordinary of courage and develop enterprising of spirit, put flexibility and principle combined up, put superior of spirit and local reality
combined up, Yong conspiracy to breakthrough of policy, and exercise innovation of lift, developed out development works of, and grass-roots welcomes of
(mainboard)或要通过汇编程序把汇编语言翻译成机器 语言程序计算机
才能执行。 ⑶ 高级语言:高级语言是一种面向 问题或过程的语言。
它是近似于日常会话 的语言。它不但直观、易学,而且通用性
母板(motherboard)。由 5 部分组成(CPU、 强。高级语言要通过编译
(或解释)翻译 存储器、总线、插槽和电源)与主板的分 类 (2)网络
卡又称为适配器卡代号 NIC, 其功能为:(见书 P11) 10、 10、软件
的基本概念:软件由程序(功 软件的基本概念 能实现部分)与文档(功能
说明部分)组成。 软件是用户与计算机硬件系统之间的桥 梁。 11、应
用软件包括 11、应用软件包括:桌面应用软件、 演示出版软件、浏览
工具软件、管理效率 软件、通信协作软件和系统维护软件。 12、程序
与文档: 12、程序与文档:程序是由指令序列 组成的,告诉计算计如
何完成一个具体的 任务。 文档是软件开发、使用和维护中的必 备资
料。 13、软件开发: 13、软件开发:软件的生命周期中, 通常分为
三大阶段,每个阶段又分若干子 阶段: ⑴ 计划阶段:分为问题定义、
可行性 成机器语言才能执行。 15、媒体的概念与分类: 15、媒体的概
念与分类: (1) 媒体的概念:信息的载体 (2)媒体的分类:传输媒体、表现
媒 体、表示媒体、感觉媒体 16、多媒体的基本概念: 16、多媒体的
基本概念:指有声有色 的信息处理与利用技术。多媒体技术可划 分为
偏硬件技术和偏软件技术两部分。 17、 的组成: 17、MPC 的组成:
具有 CD-ROM、具有 A/D 和 D/A 转换功能、具有高清晰的彩色 显示
器、具有数据压缩与解压缩的硬件支 持 18、多媒体的关键技术 18、
多媒体的关键技术:数据压缩与 解压缩技术、芯片与插卡技术、多媒
计算机网络技术基础知识汇总
混凝土具有原料丰富,价格低廉,生产工艺简单的特点,因而使其用量越来越大。同时混凝土还具有抗压强度高,耐久性好,强度等级范围宽等特点。
conferences, learned superiors policies; reports, you can learn to deal with problems, art, just wanted to learn, to learn at any time. To continuously expand the scope of the study. The complexity and comprehensiveness of our work, decided to not only do we want to be "professionals", or if "generalists", to dabble in different areas of knowledge. Mastery of knowledge not only to have knowledge to rational analysis. This on requirements we, not only to learning national of route, and approach, and policy, also to learning national of legal, and regulations; not only to with political theory armed mind, also to with economic theory guide work; not only to read history, also to read history; not only to absorption SM of mirror, also to gets is of road; not only to from local learn, also to to outside learn; not only to to books learn, also to field study learn. Therefore, I would encourage you, and more to the outside world when I have time to take a look at, take a stroll, outside
developments, learn other people's development approach, and then come back to guide our work. Second, we must think. "Learning without thought to overshadow, thinking without learning is perilous." We want to foster the character of advancing with the times, forge ahead, often reflect themselves in adapting to the new situation on whether there are delays, have anything to fear in the reform and innovation, whether in terms of accelerating the development of a relaxation, keep promising State of mind. In order to do investigations, investigations is the road to heaven, God disposes of the base. To wants to real heard truth, and justice to truth, and get truth, received effectiveness, on must in-depth actual, and outreach, and in-depth masses, worship masses for Division, and masses heart, with masses with discussion everyone care of problem, listening they of calls, understand they of mood, feel they of suffering, summary they of experience, concentrated they of wisdom,
especially on masses most hope, and most urgent, and most worries, and most complained of hot, and difficulties and focus problem, more to active research, caught not put. Dare to innovate, in our work, often remain "the old way doesn't work, the new approach would not" situation, the reason, the key is that many people know that copying other people's ideas, mechanically, using someone else's old ways. To change this predicament, requires us to break the shackles of traditional concepts to overcome conservative, conformist, good at finding new problems and to accept new things, summarize new experience, new ideas, developing new programmes and Maverick, a new approach to solve problems, speed up development. Especially in implement superior policy spirit of process in the, both implementation, and cannot mechanically, to to extraordinary of courage and develop enterprising of spirit, put flexibility and principle combined up, put superior of spirit and local reality
combined up, Yong conspiracy to breakthrough of policy, and exercise innovation of lift, developed out development works of, and grass-roots welcomes of
体操 作系统技术、多媒体数据管理技术。 19、超文本与超媒体的概念: 19、
超文本与超媒体的概念: (1)超文本是非线性非顺序的而传统 文本是线
性的顺序的。 (2)超文本概念:超文本是收集、存 储和浏览离散信息以
及建立和表现信息研究(是决定软件项目是否开发的关键)。 之间关系
的技术。 ⑵ 开发阶段: 在开发前期分为需求分 析、总体设计、详细
设计三个子阶段,在 开发后期分为编码、测试两个子阶段。前 (3)超媒
体的组成:当信息载体不限 于文本时,称之为超媒体。超媒体技术是
一种典型的数据管理技术,它是由称之为 结 点 (node) 和 表 示 结
点 之 间 联 系 的 链 (link)组成的有向图(网络),用户可以 对其进
行浏览、查询和修改等操作。 (4)超媒体系统的组成:编辑器、导 航工
具、超媒体语言 第二章 网络的基本概念 1、信息技术涉及内容:信息
的收集、 信息技术涉及内容: 储存、处理、传输与利用。 2、 计算
机网络形成与发展大致分为 个阶段: 如下 4 个阶段: (1)第一个
阶段 20 世纪 50 年代 (2) 第二个阶段以 20 世纪 60 年代 美国
的 APPANET 与分组交换技术为重要标志。用主频来表示 CPU 的处理
速度、容量(B、 期必须形成的文档有:软件需求说明书, KB、MB、
GB、TB)、数据传输率(Bps)、 软件设计规格说明书。 版本和可靠性
(MTBF、MTTR)。 计算机的应用领域: 5 、 计算机的应用领域: 科
学计算、 事务处理、过程控制、辅助工程、人工智 能、网络应用。(补
充实例) 6、计算机系统的组成:硬件系统具有 计算机系统的组成: 原
子特性(芯片、板卡、设备、网络)与软 件系统具有比特特性。且它们具
有同步 性。 7、奔腾芯片的技术特点: 奔腾 32 位 奔腾芯片的技术特
difficult, not hating; blueprints, not rhetoric; words and simple, but full of love, truth, passion, entrepreneurial passion. Take this opportunity, my inspirational quotes Li Dazhao's classic "iron specialise in uplifting blend with the article" gave everyone, with a view on how to do well under the new situation of township and village leaders inspire and help, and also share with you. A good play to create iron shoulders strong arms, to assume the burden be passed; only specific qualities, will it be possible in specific areas to create a world. In my view, village chiefs in the new situation, we must first have five basic quality. One ambition is to pioneer. "Who is handsome." People only high-minded can stimulate the flow of momentum to become brave and persistent, become quiet and powerful. Township and village party "leaders", within their respective jurisdictions, political stability and economic and social development issues, decisions and orientation depends to a large extent
because of your. Everybody in village chiefs and the positions, both the trust of the masses, the Organization's trust, more ability to you, fully affirmed the moral and other qualities. Therefore, we must always maintain the historical mission and social responsibility, and our ideal tree rooted in the hard work of the soil, with indomitable spirit, indomitable courage to open up a new situation of villages and towns. To have a feeling of closeness to the second. "The people and country." Our business foundation in the people's blood in the people power people. Advanced decisions of the party cadres to the feelings of the people is an eternal theme. Fan Zhong-yan, called "first, and enjoy comfort about others", Zheng Banqiao's also wrote a "Ya Chai lay listening to the rustling of bamboo, the suspect is suffering. Cao County officials, little my, a total turn off. "Old of feudal official even has so feelings, alone we is to" serving "for purposes of people servant does? we more should
always hold with on people of deep feelings, heart Department masses of leading visited tea, care masses of emotions thoughts complained, always insisted put masses of interests put in first, consciously from itself do up, from small do up, from masses most care, and most directly, and most reality of interests problem grabbed, real do love for people by Department, and right for people by with, and Lee for people by conspiracy to. Three with the fame of mind. "Non-indifferent not insist your dream, without serenity not go far." Ascension to fame is morality, is the sublimation of the soul. As Township and village, be sure to maintain a normal state of mind, establish a correct viewpoint on power, position and values and Outlook, as fame is light like water, depending ... 50 km, also red and like hundreds of thousands of the KMT military combat, but he went on to collect a variety of newspapers and magazines, and then race against time to pore over. As long as the study of mind, it is not
necessary to come to the library, workshops, into the villages, people learned farming techniques, problem-solving methods, participation in
混凝土具有原料丰富,价格低廉,生产工艺简单的特点,因而使其用量越来越大。同时混凝土还具有抗压强度高,耐久性好,强度等级范围宽等特点。
conferences, learned superiors policies; reports, you can learn to deal with problems, art, just wanted to learn, to learn at any time. To continuously expand the scope of the study. The complexity and comprehensiveness of our work, decided to not only do we want to be "professionals", or if "generalists", to dabble in different areas of knowledge. Mastery of knowledge not only to have knowledge to rational analysis. This on requirements we, not only to learning national of route, and approach, and policy, also to learning national of legal, and regulations; not only to with political theory armed mind, also to with economic theory guide work; not only to read history, also to read history; not only to absorption SM of mirror, also to gets is of road; not only to from local learn, also to to outside learn; not only to to books learn, also to field study learn. Therefore, I would encourage you, and more to the outside world when I have time to take a look at, take a stroll, outside
developments, learn other people's development approach, and then come back to guide our work. Second, we must think. "Learning without thought to overshadow, thinking without learning is perilous." We want to foster the character of advancing with the times, forge ahead, often reflect themselves in adapting to the new situation on whether there are delays, have anything to fear in the reform and innovation, whether in terms of accelerating the development of a relaxation, keep promising State of mind. In order to do investigations, investigations is the road to heaven, God disposes of the base. To wants to real heard truth, and justice to truth, and get truth, received effectiveness, on must in-depth actual, and outreach, and in-depth masses, worship masses for Division, and masses heart, with masses with discussion everyone care of problem, listening they of calls, understand they of mood, feel they of suffering, summary they of experience, concentrated they of wisdom,
especially on masses most hope, and most urgent, and most worries, and most complained of hot, and difficulties and focus problem, more to active research, caught not put. Dare to innovate, in our work, often remain "the old way doesn't work, the new approach would not" situation, the reason, the key is that many people know that copying other people's ideas, mechanically, using someone else's old ways. To change this predicament, requires us to break the shackles of traditional concepts to overcome conservative, conformist, good at finding new problems and to accept new things, summarize new experience, new ideas, developing new programmes and Maverick, a new approach to solve problems, speed up development. Especially in implement superior policy spirit of process in the, both implementation, and cannot mechanically, to to extraordinary of courage and develop enterprising of spirit, put flexibility and principle combined up, put superior of spirit and local reality
combined up, Yong conspiracy to breakthrough of policy, and exercise innovation of lift, developed out development works of, and grass-roots welcomes of
点: 芯片,主要用于台式机和笔记本,奔腾采 用了 RISC 和 CISC 技术
(技术特点 10 个请 看书 P8) ⑶ 运行阶段:主要任务是软件维护。 为
了排除软件系统中仍然可能隐含的错 误,扩充软件功能。 14、编程语
言: 14、编程语言:(机器语言与汇编语 言都依赖于具体的机器,汇
编语言与高级 语言都需要编译) ⑴ 机器语言: 能被计算机直接理解
和 执行,速度快,但该种语言难记、难学、 难懂。 ⑵ 汇编语言:
用英文助记符和十进制 数代替二进制码,使机器语言变成了汇编 语言。
汇编语言属于低级语言。汇编语言(3) 第三个阶段从 20 世纪 70 年
代 中期开始。 (4) 第四个阶段是 20 世纪 90 年代 开始。 计算机
网络的基本特征:资源共 3 、计算机网络的基本特征 享。 计算机网
络的定义: 4 、计算机网络的定义: 把分布在不 同地理位置上的自
治计算机通过通信设 备和通信协议进行互联实现共享资源信 息传输。
5、 早期计算机网络结构实质上是广 域网的结构。 域网的结构 。 广
域网的功能:数据处理 与数据通信。逻辑功能上可分为:资源子 网与
通信子网。资源子网负责全网的数据 处理,向网络用户提供各种网络
资源与网 络服务。主要包括主机和终端。主机通过 高速通信线路与通
信子网的通信控制处 理机相连接。终端是用户访问网络的界 面。通信
子网由通信控制处理机、通信线 路与其他通信设备组成,完成网络数
据传 输、转发等通信处理任务。通信控制处理 机在网络拓扑结构中被
称为网络节点。通 信线路为通信处理机之间以及通信处理 机与主机之
间提供通信信道。 现代网络机构的特点: 6 、现代网络机构的特点:
微机通过 局域网连入广域网,局域网与广域网、广 域网与广域网的互
计算机网络技术基础知识汇总
混凝土具有原料丰富,价格低廉,生产工艺简单的特点,因而使其用量越来越大。同时混凝土还具有抗压强度高,耐久性好,强度等级范围宽等特点。
conferences, learned superiors policies; reports, you can learn to deal with problems, art, just wanted to learn, to learn at any time. To continuously expand the scope of the study. The complexity and comprehensiveness of our work, decided to not only do we want to be "professionals", or if "generalists", to dabble in different areas of knowledge. Mastery of knowledge not only to have knowledge to rational analysis. This on requirements we, not only to learning national of route, and approach, and policy, also to learning national of legal, and regulations; not only to with political theory armed mind, also to with economic theory guide work; not only to read history, also to read history; not only to absorption SM of mirror, also to gets is of road; not only to from local learn, also to to outside learn; not only to to books learn, also to field study learn. Therefore, I would encourage you, and more to the outside world when I have time to take a look at, take a stroll, outside
developments, learn other people's development approach, and then come back to guide our work. Second, we must think. "Learning without thought to overshadow, thinking without learning is perilous." We want to foster the character of advancing with the times, forge ahead, often reflect themselves in adapting to the new situation on whether there are delays, have anything to fear in the reform and innovation, whether in terms of accelerating the development of a relaxation, keep promising State of mind. In order to do investigations, investigations is the road to heaven, God disposes of the base. To wants to real heard truth, and justice to truth, and get truth, received effectiveness, on must in-depth actual, and outreach, and in-depth masses, worship masses for Division, and masses heart, with masses with discussion everyone care of problem, listening they of calls, understand they of mood, feel they of suffering, summary they of experience, concentrated they of wisdom,
especially on masses most hope, and most urgent, and most worries, and most complained of hot, and difficulties and focus problem, more to active research, caught not put. Dare to innovate, in our work, often remain "the old way doesn't work, the new approach would not" situation, the reason, the key is that many people know that copying other people's ideas, mechanically, using someone else's old ways. To change this predicament, requires us to break the shackles of traditional concepts to overcome conservative, conformist, good at finding new problems and to accept new things, summarize new experience, new ideas, developing new programmes and Maverick, a new approach to solve problems, speed up development. Especially in implement superior policy spirit of process in the, both implementation, and cannot mechanically, to to extraordinary of courage and develop enterprising of spirit, put flexibility and principle combined up, put superior of spirit and local reality
combined up, Yong conspiracy to breakthrough of policy, and exercise innovation of lift, developed out development works of, and grass-roots welcomes of
联是通过路由器实现 的。 按传输技术分为: 广播式网络 (通 7、
按传输技术分为: 过一条公共信道实现)点--点式网络(通 过存储转
发实现)。采用分组存储转发与 路由选择是点-点式网络与广播网络的
重 要区别之一。 8、按规模分类:局域网(LAN)、城 按规模分类:
域网(MAN)、广域网(WAN) (1)广域网的通信子网采用分组交 换
技术,利用公用分组交换网、卫星通信 网和无线分组交换网互联。
(2)广域网(远程网)以下特点:1 适应大容量与突发性通信的要求。
2 适应 综合业务服务的要求。3 开放的设备接口 与规范化的协议。4
完善的通信服务与网 络管理。FR、SMDS、B-ISDN、N-ISDN、ATM (4)
广域网扩大了资源共享的范围, 局域网增强了资源共享的深度。 (5)
期的城域网产品主要是光纤分布 式数据接口(FDDI) (6)各种城域网建
设方案有几个相同 点:传输介质采用光纤,交换接点采用基 于 IP 交
换的高速路由交换机或 ATM 交换 机,在体系结构上采用核心交换层,
业务 汇聚层与接入层三层模式。城域网 MAN 介 于广域网与局域网之
间的一种高速网络。 计算机网络拓扑是通过网中结点与 9、 计算机网
络拓扑 通信线路之间的几何关系表示网络结构, 反映出网络中各实
体间的结构关系。主要 是指通信子网的拓扑构型。 10、 10、网络拓
扑可以根据通信子网中通 信信道类型分为: 信信道类型分为: (1)
点-点线路通信子网的拓扑:星 型,环型,树型,网状型。 (2) 广
播式通信子网的拓扑: 总线型, 树型,环型,无线通信与卫星通信型。
11、 11、描述数据通信的基本技术参数有 两个:数据传输率与误码率。
两个 (1)数据传输速率:在数值上等于每 秒钟传输构成数据代码的二
剩余41页未读,继续阅读
资源评论
是空空呀
- 粉丝: 168
- 资源: 3万+
上传资源 快速赚钱
- 我的内容管理 展开
- 我的资源 快来上传第一个资源
- 我的收益 登录查看自己的收益
- 我的积分 登录查看自己的积分
- 我的C币 登录后查看C币余额
- 我的收藏
- 我的下载
- 下载帮助
最新资源
- 基于Python实现的自动化办公项目.zip
- 基于python实现的基于PyQt5和爬虫的小说阅读系统.zip
- 机械设计整经机上纱自动化sw20非常好的设计图纸100%好用.zip
- Screenshot_20240427_031602.jpg
- 网页PDF_2024年04月26日 23-46-14_QQ浏览器网页保存_QQ浏览器转格式(6).docx
- 直接插入排序,冒泡排序,直接选择排序.zip
- 在排序2的基础上,再次对快排进行优化,其次增加快排非递归,归并排序,归并排序非递归版.zip
- 实现了7种排序算法.三种复杂度排序.三种nlogn复杂度排序(堆排序,归并排序,快速排序)一种线性复杂度的排序.zip
- 冒泡排序 直接选择排序 直接插入排序 随机快速排序 归并排序 堆排序.zip
- 课设-内部排序算法比较 包括冒泡排序、直接插入排序、简单选择排序、快速排序、希尔排序、归并排序和堆排序.zip
资源上传下载、课程学习等过程中有任何疑问或建议,欢迎提出宝贵意见哦~我们会及时处理!
点击此处反馈
安全验证
文档复制为VIP权益,开通VIP直接复制
信息提交成功