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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 What are search engines? QUESTION 2 Write short notes on the inverted file. QUESTION 3 Write short notes on: (i) Derivative indexing (also known a
In view of the fact that processes frequently need to communicate with other processes therefore, there is require for a well-structured interaction, devoid of using interrupts, a
Assembly language : Assembly language is a low level programming language similar to machine language, but far easier to write and understand because machine language binary in
SWITCHING MECHANISMS: Switching mechanisms are techniques devised to send messages in many dinections at once and to ensure that these messages are received with a minimum of
ELEMENTS OF PROGRAMMING LANGUAGE: Learning a programming language requires understanding of concepts such as representation of different types of data in the computer, the va
what is output and input
The technique to mix C and assembly language is to apply the "asm" directive. To access C-language variables from assembly language, you just use the C identifier that name is a me
find nfa for L((aa*(a+b))
What is CAI?Explain its pitsfalls
whats the adaptation
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