vu it430 Mid Term Subjective Solved Past Paper No.7

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An E-business is defined as company/entity that has an online presence. E-businesses that have the ability to sell, trade, barter or transact over the web can be considered as e-commerce businesses. An e-business model is defined by a company's policy, operations, technology and ideology.
Examples of E-business

1. Online News Services
2. Online Entertainment

It is a collection of mathematical techniques used to ensure confidentiality of information. The process of scrambling a message with the help of a key is called Encryption.

Now a days as internet is widely used. So danger of data safety and serurity also rose. Compare to its earlier use.

It provide the Transaction Integrity. Tranasction detail of both the parties can be verified which help to built the confidence between business community. It provide Privacy like it provide controls to prevent third parties from geting access to the information within the transaction

Without cryptography, it is doubtful that banks, businesses and individuals would feel safe doing business online. Cryptography provides the confidence to the customer that their data is safe and secure. Otherwise due to lack of confidence and doubt e-commerce business can not flourish.

--or--

1. It provides the Transaction Integrity. Transaction detail of both the parties can be verified which help to built the confidence between business communities.
2. It provide Privacy like it provide controls to prevent third parties from getting access to the information within the transaction
3. Without cryptography, it is doubtful that banks, businesses and individuals would feel safe doing business online.
4. Cryptography provides the confidence to the customer that their data is safe and secure. Otherwise due to lack of confidence and doubt e-commerce business can not flourish.

Front end consists of that information which is visible to the userand he can interact with the same through some interface. The back endcomprises that information which resides on the server side and is used to create certain dynamic results for the user. It would include different programs or scripts that may be developed in different languages/tools.Backend is mainly used for two purposes - for querying with the databasesand for the maintenance of state. We can use different tools (ASP, JSP etc.)for that purpose depending upon their respective advantages / disadvantages.

1. (1) XML was designed to describe data and to focus on what data is. HTML was designed to display data and to focus on how data looks
2. (2) HTML is about displaying information, while XML is about describing information.
3. (3) XML data can also be stored inside HTML pages as "Data Islands". You can still concentrate on using HTML only for formatting and displaying the data.

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Ring Topology is also known as a ring network, the ring topology is a computer network configuration where each network computer and device is connected to each other forming a large circle (or similar shape).

Star Topology there is a central connection point called the hub which is a computer hub or sometimes just a switch. In a star network the best advantage is when there is a failure in cable then only one computer might get affected and not the entire network.

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Logical operators

&& for logical and
|| for logical or
! for logical not

A text page resource is a simple page written using plain text whereas the text area element indicates a multi-line text field.