Презентация Introduction to the Internet онлайн

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  • Тип файла:
    ppt / pptx (powerpoint)
  • Всего слайдов:
    14 слайдов
  • Для класса:
    1,2,3,4,5,6,7,8,9,10,11
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Слайды и текст к этой презентации:

№1 слайд
Computation and Problem
Содержание слайда: Computation and Problem Solving Introduction to the Internet Korzhumbayev Azamat
№2 слайд
Internet, Packets and Routing
Содержание слайда: Internet, Packets and Routing Internet is a network of computer networks Data is transmitted by packet switching using the standard Internet Protocol (IP) Packet – a unit of information carriage Packet switching – process of moving packets from one node (computer device) to another
№3 слайд
A Visualization of Internet
Содержание слайда: A Visualization of Internet
№4 слайд
A Visualization of Internet
Содержание слайда: A Visualization of Internet
№5 слайд
Internet, Packets and Routing
Содержание слайда: Internet, Packets and Routing At the sender, data is broken into packets and sent to the nearest node (router) At each router, it sends the packet to another router that is closer to the final destination At the receiver, packets are reassembled to get the original data A simple analogy: mailing system
№6 слайд
Mailing System
Содержание слайда: Mailing System
№7 слайд
TCP IP and Domain Names Basic
Содержание слайда: TCP/IP and Domain Names Basic task of IP – moving packets as quickly as possible from one router to another Yet, it doesn’t check whether packets are delivered successfully, thus need TCP TCP (Transmission Control Protocol) – disassemble/reassemble packets, error checking, ACK packets
№8 слайд
TCP IP and Domain Names We
Содержание слайда: TCP/IP and Domain Names We need some sort of address in order to identify different nodes, as if every house has a mailing address in order to receive mail from others The one used by Internet Protocol is called IP address Every host on the Internet has a unique IP address, made up of four numbers. E.g.. 192.56.215.131, each number is between 0 and 255
№9 слайд
TCP IP and Domain Names The
Содержание слайда: TCP/IP and Domain Names The numbers in an IP address is hard to remember, while names are easier Domain Name System – a mapping between the human-readable name (domain name) of a host and its IP address A domain name consists of two or more parts, e.g. csse.iitu.kz The rightmost label conveys the top-level domain, e.g. kz
№10 слайд
TCP IP and Domain Names Each
Содержание слайда: TCP/IP and Domain Names Each label to the left specifies a subdomain, in our example, subdomain is iitu (IT University), and sub-subdomain is csse (computer science & software engineering). A top-level domain contains of multiple subdomains, each subdomain can contain multiple sub-subdomain, so on. Mapping between a domain name and an IP address is stored on DNS server.
№11 слайд
World Wide Web The World Wide
Содержание слайда: World Wide Web The World Wide Web (commonly shortened to the Web) is a system of interlinked, hypertext documents accessed via the Internet. It is created to share files/documents and overcome the barrier of different file formats Hypertext refers to text on a computer that will lead the user to other, related information on demand.
№12 слайд
World Wide Web hypertext
Содержание слайда: World Wide Web hypertext documents are created using a special kind of document formatting or “markup” language called HyperText Markup Language (HTML). HTML is sent or received over the network using HyperText Transfer Protocol (HTTP). A browser is a software program which interprets the HTML documents and displays it on the user’s screen.
№13 слайд
URLs and Client-Server Model
Содержание слайда: URLs and Client-Server Model Two things are given by the URL Exact location of the document The method or protocol by which to retrieve and display the document Example, http://www.dl.iitu.kz/index.html http:// – specifies the protocol www.dl.iitu.kz – specifies the host name / domain name index.html – specifies the path of the document on the host
№14 слайд
Putting it All Together
Содержание слайда: Putting it All Together
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