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QUESTION
(a) Using the Luhn 10 check formula verify whether the following account number is compliant: 49927398716. Show details of your workings
(b) Why is it advisable to provide a virtual keypad to the user for entering the password or any sensitive information such as credit card numbers?
(c) The .NET framework provides several hashing algorithms in the System.Security.Cryptography namespace namely the SHA1CryptoProvider, and the SHA1Managed. Distinguish between the CryptoProvider and the Managed classes. Your answer should include advantage(s) and/or disadvantage(s) of each
(d) (i) Why the Random class in the .NET framework is not suitable for generating random bytes for cryptography purposes?
(ii) Name the class that is typically used for generating random bytes for cryptography purposes. Are the values generated truly random? Justify your answer
Explain about conditional codes
Circuit Switching: Many switching techniques are in use. One of them is line or circuit switching in which a communications path is actually established before the message is
Two-tiered architecture: This approach basically introduced a database server to replace the file server. The emergence of relational database management systems and graphica
Data Output : Processed data is no use to you if you cannot use it. Once data has been processed, you will either: (1) Send it as a data file to another system, e.g. write a fi
A palindrome is a string that reads the same from both the ends. Given a string S convert it to a palindrome by doing character replacement. Your task is to convert S to palindrome
PROBLEM SOLVING USING A COMPUTER The following steps are required for solving a problem using a computer system: Problem Definition Program Planning (Preparati
Sometimes you may drop to perform conversions among the built-in types. To translate between types you just use the type name as a function. There are quite a few built-in function
write advantages and disadvantages of private and public network
Question 1 Name the different types of emitters and explain them in brief Question 2 List and explain the Particle Attributes Question 3 Explain Particle Collision
Batch Processing When the entire computer system is dedicated to a single job, the system is said to be operating in Batch Processing mode. In this mode each program is run to
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