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What are the risks involved in Electronic Payment Systems?
From the customer's perspective:
From merchant's perspective:
From the financial service provider's perspective:
Purpose: Payroll processing and storage for the client database (accessed from the Reception-PCover the network),word processing (reports etc.) and spreadsheets. Software: . • W
Q. Describe about Micro-controllers? Micro-controllers: These are a specialized device controlling computer which comprises every function of computers on a single chip. Chip
Q. Convention used to represent micro-operations? The convention used to represent micro-operations is: 1. Computer register names are designated by capital letters (someti
Design a BCD to excess 3 code converter using minimum number of NAND gates. Hint: use k map techniques. Ans. Firstly we make the truth table: BCD no
Unencoded micro-instructions One bit is required for each control signal; so number of bits needed in a micro-instruction is high. It represents a detailed hardware vi
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 the difference between Synchronous and Asynchronous updates? A program asks the system to perform a particular task, and then either waits or doesn't wait for the task
Data can be handled by using the features of Import text wizard and export text wizard. Here you can keep the operation for future use. First you should edit the specification name
Explain Sequential sharing. Sequential sharing: In this technique of sharing, a file can be shared through only one program at a time, it is file accesses by P1 and P2 are
explain classification of computers in detail.also explain various application areas of computers
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