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Smart Card & E-Cash
E-cash storable smart cards can kept and dispense cash electronically, making bills and coins lesser essential. It transfers funds over phone lines, making it simpler to reload your smart cards. You can use this system wherever you see the outlets accepting e-cash. This is basically an electronic wallet that permits person-to-person payments. The telephone or Internet link lets you make this person-to-person payment anywhere in the world. The card can kept around five separate currencies at the similar time.
What are Digital Signatures and its uses? A digital signature is an electronic quite than a written signature which can be used through someone to authenticate the identity of
In8085 are of the following statements is not true.A) Co-processor is interfaced in max mode. B) Co-processor is interfaced in MIN mode C )Co-processor is interfaced in max/min mod
A combinational circuit has 3 inputs A, B, C and output F. F is true for following input combinations A is False, B is True A is False, C is True A, B, C
List out the main requirements between page replacement policies which should be satisfied by a page replacement policy? The major requirements that should be satisfied
Compact Disc; Compact Disc ( CD) is an optical disc which is used to store digital data. It was initially developed to store sound recordings completely, but later it als
Define the method of Implementation Once "final" system has been designed it is then essential to put together the software and hardware and introduce the new system. There ar
reflection in 2d
Multiple bus architecture: One solution to the bandwidth restriction of a single bus is to simply add extra buses. Consider the architecture indicated in given figure that con
In applications where the required memory capacity cannot be satisfied by a single available memory IC chip, what should the designer do to meet this requirement? Ans: If th
Q. Standards used for development of a system? Documentation standards: It must be an ongoing activity at the time of system development life cycle. Quality Standards:
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