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The technological architecture of the company, levels of support required …

- - - - Managers agree on the need for new technologies to be better explained to companies, since the problem with their introduction is not a question of costs or infrastructure, but rather the lack of knowledge of their advantages. Information and Communication Technology (ICT) providers must demonstrate to entrepreneurs that the use of new technologies is profitable.
        
        ICTs are not only a source of internal efficiency improvement for companies by means of which they obtain efficient automation of internal processes and an improvement in productivity and competitiveness, but on the one hand they also provide the improvement of interaction processes with the external agents of the companies: customers, suppliers and partners; and, on the other hand, they open the possibility of new businesses in the network.
        ICTs are therefore key enablers of digital transformation. Companies have to develop their activity in a new "digital environment" to carry out electronic commerce in a natural way so that it ceases to be called electronic and becomes simply commerce, since the important thing will not be whether it is done over the Internet or by other pathways.
- - - - Services • Product Management: Product catalogue, with individual files. • Stock Management • Customer Management • Order Management • Secure Payment Gateway • Reports • Configuration: Currency, Languages, VAT, etc.
        
        Benefits: • New sales channel • Promotion of services and products • Expand and improve information for associates and users. • Generates Brand Image • Product Control • Order Control • Customer control and registration • Secure payment gateways • Marketing and promotion tools
        
        An electronic payment system transfers money between buyer and seller in an electronic purchase-sale. It is, therefore, a fundamental piece in the buying-selling process within electronic commerce.
        Examples of electronic payment systems include payment gateways or virtual POS for card payments and electronic purse systems.
        
        E-commerce over the Internet is offered as a new, simple, economical distribution channel with a global reach 24 hours a day, every day of the year, and this without the expenses and limitations of a classic store: personnel, location, hours, infrastructure , etc.
        Payment systems used on the Internet can be grouped into four categories:
        Electronic Teller Machines: These are systems in which customers open accounts with all their data in Internet entities. These entities provide them with an alphanumeric code associated with their identity that allows them to buy from vendors associated with the entities.
        Online Banking or Online Banking is banking that can be accessed through the Internet. They can be entities with physical branches or that only operate over the Internet or, sometimes, also by telephone.
        
        Advantage
        • Lower costs for the bank that can or should be passed on to the customer.
        • The convenience of operating from home.
        • It can be cheaper than the telephone, especially if you have a flat rate or the information telephone is a 902 line.
- - - - As a solution to these problems, since 1991 it has been agreed internationally to use the Unicode standard, which is a large table, which currently assigns a code to each of the more than fifty thousand symbols, which cover all European alphabets, ideograms Chinese, Japanese, Korean, many other forms of writing, and more than a thousand special symbols.
        
        Typographic tables But, finally, to correspond electronically in Mandarin (for example) an important detail is missing:
        The table that the Unicode Consortium publishes to be read by humans, contains a graphic representation, or description, of each character included up to that moment; but, in order to function, document display systems require typography tables, which associate a glyph (drawing) to each character they encompass, and it happens that there are many typography tables, with names like Arial or Times, that draw a same letter based on different matrices and in different styles ("A" or "A"); however, the vast majority of typefaces contain only a small subset of all Unicode characters.
        
        The Certification Hierarchy The CAs have their own public certificates, whose associated private keys are used by the CAs to sign the certificates they issue. A CA certificate can be self-signed when there is no higher CA to sign it.
        This is the case for root CA certificates, the starting element of any certification hierarchy. A certification hierarchy consists of a hierarchical structure of CAs starting from a self-signed CA, and at each level, there is one or more CAs that can sign end-entity certificates (certificate holder: web server, person, web application). software) or certificates from other subordinate CAs fully identified and whose Certification Policy is compatible with the CAs of higher rank.
        
        Normativa Normativa Europea La Directiva 93/1999 ha establecido un marco común aplicable a todos los paises de la Unión Europea por el que el nivel de exigencia que supone la normativa firma electrónica implica que los Prestadores de Servicios de Certificación que emiten certificados cualificados son merecedores de confianza por cualquier tercero que confía y sus certificados otorgan a la firma electrónica avanzada a la que acompañan el mismo valor que tiene la "firma manuscrita" o "firma ológrafa".
- - - - A CGI program can be written in any programming language that produces an executable file. Among the most common languages are: C, C++, Perl, Visual Basic... However, due to the fact that the CGI receives the parameters in the form of text, a language that allows manipulating the character strings in a simple way will be useful. simple, such as Perl. Perl is an interpreted language that allows for simple file and text manipulations, as well as string extraction and manipulation, coupled with fast and easy searching.
        
        An Application Service Provider (ASP) is a company that provides software services to multiple entities from a data center through a network. Among the factors that enable a PSA are the widespread use of the Internet, the ability to accelerate the deployment and start-up of applications, and the possibility of transferring services and operations to third parties. The main barrier for a PSA lies in convincing its customers that their information in the hands of a third party remains secure.FF
        
        XML, short for eXtensible Markup Language, is an extensible markup metalanguage developed by the World Wide Web Consortium (W3C).
        It is a simplification and adaptation of SGML and allows defining the grammar of specific languages (in the same way that HTML is itself a language defined by SGML). So XML is not really a particular language, but rather a way of defining languages for different needs. Some of these languages that use XML for their definition are XHTML, SVG, MathML.
        
        XML was not born only for its application on the Internet, but rather it is proposed as a standard for the exchange of structured information between different platforms. It can be used in databases, text editors, spreadsheets, and just about anything else imaginable.