E-Commerce

What Is E-Commerce???

oOnline Buying & selling only???

Ayesha Khalil

E-commerce

The use of internet and web to transit the business.Digitally refers to commercial transactions between organization and individual

Introduction to Computer Programming

Introduction to HTML

Computer

o A Machine Which Receive input Process it and generate output is called computer.

Parts of Computero A computer system is composed of hardware and software

o Hardware components are the physical, tangible pieces that we can see and touch, like CPU, Mouse, Key Board etc.

Software

o While Software are the instructions which computer follows to perform various Tasks and operation.

o Software are machine readable Instruction.o We can not touch Software like Operating System.

Devices that comprise a computer system

Schematic Diagram of a Personal Computer

What Does A Computer Do?

o Computer receive input process it and generate output.it perform repetitive task.

o All computer requires data, collection of raw facts, figures and symbols, such as numbers, words, images, video and sound, given to the computer as the input.

o Computers manipulate data to create information. Information is data that is organized, meaningful, and useful.

input

process

output

InformationProcessData

The Primary Components Of A Computer

Input devices.Central Processing Unit (containing the control unit & the arithmetic/logic unit).Memory.Output devices.Storage devices.

HTML

When two or more electronic devices connected together for the purpose of sharing

data & information.

Network

Internet

Interneto Worldwide network of connected

computers for purpose of knowledge and resource sharing.

o Internet carries various types of services like E-mail, FTP, the WWW and Many Many More.

o a network of networks – an inter-network, or Internet

Extraneto Internet access from outside the

organization

intraneto Giving access of the internal

network to all the people within the organization.

o Limited access, outsiders are not allowed.

Protocol

Set of rules to connect devices. which devices must follow to communicate with each other is called

protocolTransmission control

protocol , Internet Protocol IP/TCP

o Ip/TCP used by computer to mange data packets and data travelling over internet.

o IP is unique number or set of instruction. Each computer has unique IP/TCP address.

o the rules for transferring information between programs

Hyper text transfer protocol. HTTP

o Convert HTML into Human Understandable txt.

o Convert source code into human understandable txt.

File Transfer Protocolo Set of rules which computer

follows to transfer a file or files

HTML

Hyper Text Markup Language

o Slandered text language used to specify format of internet.o Is a language to design a webpage and it has aggressive

response.o In HTML symbols & Hyperlinks are used to create

webpage.

HTML

Hypertext

o Which contain hyperlinks.o the text on which hyperlinks are created is called hypertexts.o Within a web page text function as hyperlink.

Link

o Any device which request a webpage.

Hyperlink

o A programmatic command to jump to another page in web o Providing direct access to web page.o A word, phase, or icon that can be used to jumped into new

documents.

o Creating a webpage by using a language in which text & symbols are used, and giving hyperlinks.it has very quick response it is called html.

Markup Languageo Using specific symbolso Set of tags rooted in

digital texts and includes its content, structure

o & appearance.

Hyper Text Markup Language

Word wide webo Word wide web is basically a service on internet.o It is actually a platefoam from where you can fetch a web pageo a set of HTML pages accessible using the HTTP protocol

Uniform Recourse Locator o Uniform recourse locator. The unique address of a webpage on the internet

location bar.

Internet Backboneso The wires on which data travels.

Web Browsero It is a application software. Used to access the websites on internet.o A software program which is used to show web pages

Address/Location Baro In which URL is written to request a webpage is location Bar.

Domain Nameo Human understandable portion in URL.o the part of a network address which identifies it as belonging

to a particular domain.

Web Servero Web servers are computers that deliver (serves up) Web pages. o A Web server is a system that delivers content or services to end users

over the Internet.o A Web server consists of a physical server, server operating system (OS)

and software used to facilitate HTTP communication.oClient :-o (in a network) a desktop computer or workstation that is capable of

obtaining information and applications from a server

Hosto A computer which stores a website or other data that

can be accessed over the Internet or which provides other services to a network.

o Dedicated Server/Hosto A dedicated server is a single computer in a network

reserved for serving the needs of the network. o For example, some networks require that one computer

be set aside to manage communications between all the other computers.

o Shared Hosto A shared web hosting service or virtual hosting

service or derive host refers to a web hosting service where many websites reside on one web server connected to the Internet. ...

,l.

Any Question???

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