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How can it be achieved in designing e-cash based system?
E-cash is essentially an online solution. The buyer must validate the coins by the issuer in order to get the purchase complete. The coins used in the system have the value of the coin, the serial number that is unique for each coin and identity strings connecting the coin to the user withdrawing it. Though, neither the issuer nor the merchant can reduce the identity of the customer by examining the coins if the coin is used only once.
Q. What is typical storage hierarchy? A typical storage hierarchy is displayed in Figure above. Though Figure shows only block diagram however it includes storage hierarchy:
what is cascade rollback
What is an abstract class? Please, expand by examples of using both. Explain why? Abstract classes are closely related to interfaces. They are classes that cannot be instanti
Specified the average case complexity of sequential search in an array of unsorted elements of size n if the following conditions hold: a) Probability of the key to be in the a
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Define buffering. A buffer is a memory area that keeps data while they are transferred among two devices or among a device and an application. Buffering is done for three reas
Illustrates several names of popular internet browsers? Popular Internet Browsers are: Internet Explorer, Netscape Navigator and Mosaic, Google chrome and Mozilla and Opera.
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During instruction execution, there are other parts of the CPU that can determine when a physical register might be freed. Briefly describe where else we can put freeing logic and
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