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E-commerce is working in tandem with the real shop and if all the products are online running the e-commerce shop is becoming simpler. Owner log in on the special admin side of the e-commerce shop and check if there are any submitted orders. The orders from customers will be listed with their personal information. When the owner receives the payment he will deliver the item to the customer. And the process here is done, the merchant have the money and the customer has his product.
The merchants have to show their products on the website and specify the price of each product. The customers will log in on the website and choose the products they need and add them to the shopping cart. To buy the product, customer and merchant have to connect to the transaction server to do the credit card processing (e.g. electronic cash). The process of the credit card payment consists of two phases: authorization, which is the check if the payment information is valid and the credit card contains available funds, and settlement, which is the transfer of money into the merchant's bank account.
The performance instrumentation states on how to efficiently gather information about the computation of the parallel computer. The process of instrumentation mainly attempts to ca
What is a structure? A structure is a collection of variables under a single name. These variables can be of different types, and each has a name which is used to select it fro
What is reduction? A reduction is a way of changing one problem into another in such a way that a solution to the second problem can be used to explain the first problem.
Q. Speed Up - metrics for performance evaluation? Speed up is ratio of time needed to execute a given program employing a specific algorithm on a machine with single processor
Explain Sequential Sharing In this sharing method, a file can be shared by just one program at a time, i.e. file accesses by P1 and P2 are spaced out over time. A lock field ca
Throughput of a system is? Ans. "Throughput" of a system is no. of programs processed by this per unit time.
Question: (a) A computer network can be a LAN or a WAN. Using appropriate diagrams and examples, explain what you understand by the term LAN. Your answer should also explain
Q. Write short notes on proton - proton fusion in sun. Proton - Proton cycle 1 H 1 + 1 H 1 → 1 H 2 + 1 e 0 + ν (emission of positron as well as neutrino) 1
Explanation Arrays in many programming-languages generally show a fixed list of values (e.g. a list of lastnames). Though within SQABasic the size for an array can either be fix
Nyquist''s sampling theorem says "if you have a signal that is perfectly band limited to a bandwidth of f0 then you can collect all the information there is in that signal by sampl
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