Perfect Computer Notes

Types/Categories/Modes of e-commerce. There are three main types of e-commerce as follows: 1) Business To Consumer (B2C) B2C ecommerce consists of selling goods and services to individual consumers. In this type, consumers or customers can visit the website and purchase goods online. The website will have a StoreFront. This storefront will show product details, pictures and a shopping cart. Shopping cart is used to collect items to purchase. Advantages of B2C e-commerce B2C e-commerce has the following advantages: * Shopping can be faster and more convenient. * Offerings and prices can change instantaneously. * Broadband telecommunications will enhance the buying experience. 2) Business To Business (B2B) B2B e-commerce takes place between two businesses. One business provides services to other business. Examples of B2B include: Online Advertisement, recruiting, sales, marketing, technical support and training. For eample, some companies provide online purchasing

IOS E-Market 1 IOS may use private or publicly accessible network. E-Market may use publicly accessible network. 2 Customer supplier relationship is determined in advance. It is expected that it is ongoing relationship for multiple transaction. Two types of relationship (i) Customer to seller linkage is established at time of transaction for one time only.  (ii) Customer seller linkage is established for a fixed time period. 3 Agreements on nature and format of business document. Sellers market maker determine which transaction they will provide. 4 Advance arrangements are made so that both parties know which communication network will be used for system Customer and seller independently determine which communication network they will use. 5 Joint guidelines are formulated so that each party will know how system is used. No joint guideline are for

Electronic Market: is a place where online shoppers and buyers meet. E-market handles business transaction including bank-to-bank money transfer also.  In e-market, the business center is not a physical building.  But it is a network-based location where business activities occur.  In e-market, the participants like buyers, sellers and transaction handler are not only one different locations but even they do not know each other. Inter Organizational Information System (IOS): An IOS is a unified system with several business partners.  A typical IOS will include a company and its supplier and customers.  Through IOS buyers and sellers arrange routine business transactions.  Information is exchanged over communication network using specific formats.  So, There is no need for telephone calls, papers, documents or correspondence TYPES OF IOS 1)     EDI(Electronic Data Interchange):  It provide secure B2B connection over value added network(Van’s) 2)      Extranet: which provid

Role of e-commerce The role of e-commerce in daily life is becoming very important. This is the age of computer and internet. People find it easy to shop online and find the ordered goods on their door step. E-commerce can be used in the following ways: 1) Online Education Online education is becoming very popular. Different types of interactive tutorials are available on internet. The students can download online books and tutorials free or with some price. Some websites provide online lectures for students. 2) Electronic Banking Many banks are now introducing online banking. You can connect to your bank using your computer via internet. You can perform daily financial dealings from home. Many customers pay their bills using electronic banking. 3) Electronic Shopping Now, People can shop from home using internet. Different manufacturers present their products on internet. People visit their website and select suitable products to purchase. Credit card is normally

What do you mean by E-Commerce? Electronic Commerce (e-Commerce) is a general concept covering any form of business transaction or information exchange executed using information and communication technologies (ICTs). e-Commerce takes place between companies, between companies and their customers, or between companies and public administrations. Electronic Commerce includes electronic trading of goods, services and electronic material. BRIEF HISTORY OF E-COMMERCE + E-commerce started in early 1970’s with invention of electronic fund transfer(EFT). + Only used by large organizations, financial institutions and a few small business at that time. + After invention of EDI (Electronic Data Interchange) from financial institutions to manufacturers retailers, services and so on. + Many other e-commerce applications started from stock trading to travel reservation system. + With commercialization of internet in early 1990’s. The term electronic commerce was used. Interne

What is a User Interface? Explain its types. User Interface User Interface is the set of items on screen to interact with the computer . A user interacts and uses computer with the help of these items. For example, Windows Desktop is an example of user interface. Similarly Dos Prompt is also an example of user interface. Types of User Interface There are two main types of user interface: 1) Graphical user interface (GUI) 2) Command line user interface (CLI) 1) Graphical User Interface Graphical user interface or GUI provides different graphical items like windows, menus, tool bars and icons etc. A mouse or any other pointing device is used to work with these items. Commonly we select different commands from menu or toolbar with the help of mouse. We need not to type commands. We can double click on a file or folder to open it. We can double click on a shortcut to open a program. GUI is very easy to interact the computer. All versions of Windows, Macintosh, OS/2 and som

Topic: Explain Different Types Of Operating Systems with Examples Q. Explain different types of operating system What is an Operating system or OS The operating system is the most important program that runs on a computer. Every general-purpose computer must have an operating system to run other programs and applications. The Operating system or OS provides the base on which other programs and applications are installed and executed . Operating systems perform basic tasks in computer systems, like: Basic Functions of Operating System Providing the user interface Receiving the input from the keyboard, Sending  the output to the monitor screen,  Keeping track of files and folders on the disk, and controlling the functions of peripheral devices such as printers, etc. Different Types of Operating Systems With Examples in Detail Different types of operating system with examples Following are different types of operating system with examples: Explain differe