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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
Question 1 With an example, illustrate the concept of extern variable Question 2 What is the difference between pointer variable and simple variable? Question 3 Give the
QUESTION (a) You have been asked to design and implement a chat application. Which protocol would you used TCP or UDP? Justify your answer. (b) Explain why multithreading is
Problem 1 Briefly explain Components of Excel Work book Explanation of Components of Excel Work book Problem 2 How do you insert a watermark in the Word docume
compound interest
Question 1 Briefly explain the Stage and the Timeline Question 2 What is Device Central? How it is useful for previewing mobile content? Question 3 Which are the f
"Just how are we capable to get a computer to performe intelligent tasks?" One thing to answer the question is to tell that: Logic generate a science out of many forms of re
APPLICATION SOFTWARE Application Software generally is the software which is used to generate customized applications for the clients. Ex: Word Star, Lotus 1-2-3, Ms-
Source and Object Programs A set of instructions in a high-level language are called “Source program”. Since high-level languages are machine independent, it is required to fir
#questionWrite a program to find the area under the curve y = f(x) between x = a and x = b, integrate y = f(x) between the limits of a and b. The area under a curve between two poi
Creating a new file For the formation of files the 21H interruption 16H function is used. DX must identify a control structure whose necessities are that as a minimum the logic uni
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