Shruti Speak's

Rule of   "72 "      If you divide the  number 72 by the rate of interest, you get to know the  number of years it will take for you to double the money 72:   is sort of a magic number of personal finance, a.k.a known   as the rule of 72 in  personal finance parlance. All you   need to do is a quick calculation (mentally if you know   fifth grade math tables) and you can verify, if the cheeky   agent is giving you hogwash.     *Years:* If   you divide the number 72 by the rate of interest, you get to  know the number of years it will take for you to double the  > money. For instance, if the rate of interest is 9%, simply   divide the number 72 by 9% and the answer is eight. This is   the number of years it will take to double your money if you   invest it at 9% rate of interest.     *Interest:**   *This rule works in reverse order as well. Lets say, you   know the number of years you want to double your money in   and want to know the minimum rate of interest which you

Key Dimensions   ·          Integrity: Ability to ensure that information being displayed on a web site or transmitted/received over the Internet has not been altered in any way by an unauthorized party. Content should be unaltered. ·          Non repudiation: Ability to ensure that e-commerce participants do deny (repudiate) online auctions. Eg: Phishing(cloning of a website) occurs for online web portals of banks.  ·          Authenticity: Ability to identify the identity of a person or entity with whom you are dealing on the Internet. ·          Confidentiality : Ability to ensure that messages and data are available only to those authorized users to view them. ·          Privacy: Ability to control use of information a customer provides about himself/herself to a merchant. Privacy is a very big issue online. We are continuously being tracked. We need to be vigilant. ·          Availability: Ability to ensure that the data/info

EDI(Electronic Data Interchange)   Traditional way of EDI EDI is an electronic exchange of business documents in a standard computer processable universally accepted format between the trading partners. It is different from e-mail/file sharing on network as both the trading partners have to agree on a common format of business documents that is to be send as data files over electronic message device. Once the data which is entered in desirable format it can be easily computed to and fro.   Reorder level: Ordering after a certain level/limit eg: barcode The repeated keying of identical information in the traditional paper based systems creates a number of problems such as increased time, low accuracy, high labor charges, increased uncertainty. EDI maintains common electronic format for business document such as purchase order, request for quotation, invoice etc. These are called electronic transaction sets. The communication occurs between computer and c