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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
What is an encoder? Draw the logic circuit of Decimal to BCD encoder and explain its working.?
You can also allocate a single value to several variables at the same time. For instance: X=y=z =1 Now, an integer object is generated with the value 1, and all three variables are
Write a C++ program that declares three integers and three strings. The program prompts the user for three characters and three integers and prints them all on one line.
The project designs a school computer lab with the necessary hardware and software components along with the IP address for different components. The computer lab consists of one I
Question 1. Explain the levels of management? Question 2. What are the advantages and disadvantages of DBMS Question 3. What are the advantages and disadvantages o
Compiled Language: An additional program called a compiler translates a program written in a programming language; into a new file that does not require any other program to
internet bus
Computer Processing: Most of the earliest computer memories have been based on physical elements which can exist in just one of the two states (on or off): such an element cor
explain?
disvange and advantege of providing intternet sservice to customer
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