Transcript الشريحة 1
Group’s Names :1- Nabile Nashaat Habib . 2- Mariam Nagy Ekladioes . 3- Mena Naeem Gadalla . 4- Christena Amir Fahmy . 5- Emile Basher Nashed . 6- Maha Adel Boshra . 7- Youssef Magdy . 8- Vivian abd El Malak . 9- Marco Atef Shafiek . Under Supervision :- Dr / Adel Abd Elbaset internet an internet is a world wide or global system. It consists of interconnected computers. Data is interchanges through data packets using TCP/IP suite. It is also known as network of networks. This is becuase people make use of it for connecting individual and organization wide network. Intranet An intranet is a private computer network that uses internet technologies to securely share any part of an organization's information or operational systems with its employees. Sometimes the term refers only to the organization's internal website, but often it is a more extensive part of the organization's computer infrastructure and private websites are an important component and focal point of internal communication and collaboration. Extranet An extranet is defined as a private network of computers that makes use of internet protocols, network connectivity and a telecommunication system in order to share the information or operations related to the company and its stakeholders. Note Intranets differ from extranets in that the former are generally restricted to employees of the organization while extranets may also be accessed by customers, suppliers, or other approved parties. Extranets extend a private network onto the Internet with special provisions for access, authorization and authentication forex The foreign exchange market (currency, forex, or FX) trades currencies. It lets banks and other institutions easily buy and sell currencies. The purpose of the foreign exchange market is to help international trade and investment. A foreign exchange market helps businesses convert one currency to another. For example, it permits a U.S. business to import European goods and pay Euros, even though the business's income is in U.S. dollars Main foreign exchange market turnover, 1988 - 2007, measured in billions of USD.