IT430 Handouts pdf download-CareerSee | E-Commerce Notes (pdf)

IT430: E-Commerce

E-commerce (electronic commerce) is the purchase and sale of goods and services, or the transfer of funds or data, by electronic means, primarily the Internet.  IT430 Handouts pdf

IT430 Handouts pdf

  Course Category: Computer Science/Information Technology IT430 Handouts pdf

Course Outline

Introduction to E-Commerce and its types, Internet and WWW Basics, Internet standards and protocols, IP addressing, Data communication on the internet, Domain name system. Networking devices, Role of ISPs on the Internet. Markup languages and the Web, Web designing using HTML, CSS, and Java Scripting. Introduction to Client-side & server-side processing, Cookies, Maintaining state in a stateless environment, two tier/n-tier architecture. Security issues on the internet. Electronic Payment Systems. E-banking and ERP. Territorial jurisdiction and conflict of laws, online contracts, online defamation, and Copyright in Cyberspace. Issue of ISP’s liability, domain-name and trademark conflicts, privacy issues on the internet, Cybercrimes. IT430 Handouts pdf

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IT430 Handouts pdf
IT430 Handouts pdf


IT430: E-Commerce


A network can be anything from a simple set of computers to a single location connected to an internet connection (a global network of networks). A local Area Network (LAN) is a network-based network encrypted. Most LANs have multiple clients and few servers.

Network protocol

Network protocols are the general rules for using networked computers to communicate and exchange data. The group of protocols that configure network data is called the Protocol stack.

ISO Model

The International Organization for Standardization (ISO) in the 1970s became the OSI OSI model – a conceptual model for network communication. OSI represents the Open System Interconnection Reference Model and proposes the formation of 7 layers. Each layer (other than the visible layer) on the sending machine sends instructions on its subject to the receiving machine on how the corresponding data is interpreted or handled by the receiving machine.

A header is a piece of information attached to the data at the beginning of each layer other than the physical layer. The process of moving data down to the OSI Protocol stack on the sending machine is called Encapsulation, and the process of moving data up to the OSI stack on the receiving side is called De-encapsulation.

Application layer

It stays on top of the OSI model. Requests related to file transfers and web queries are handled by this layer. Two very important protocols, namely HTTP and FTP (file transfer protocol) work in this layer.

Presentation layer

She is an OSI model translator. It provides instructions on the topic of how compatible data should be formatted by the receiving machine. The multi-purpose MIME Internet mail extensions protocol works in this layer to define file formats and data types

Session layer

Provides instructions on the nature of the link between the sender and the receiver during the session. A combination of protocols called Session Protocol Data Units works in this layer.
The three modes of communication are simplex, half-duplex and full-duplex.

Simplex means one-sided communication.

Half-duplex means two-way communication but one team can send data at a time.

Full-duplex means two-way communication while both sides are able to send data at the same time. It also places special checkpoints on data packets to track any missing packets.


IT430 Handouts Download Here

IT430: E-Commerce Notes (pdf)