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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 (a) Write down the Update Step in the Dijkstra's algorithm explaining its complexity. (b) Propose a Generic Algorithm for Depth-First Search Algorithm, assuming
Design an ER diagram for an IT training group. The company has 12 instructors and can handle upto 100 trainees for each training section. The company offers 5 advanced technology c
One time a program is in memory it has to be executed. To do this, each instruction must be appeared at, decoded and acted upon in turn until the program is finished. This is accom
The basic parts of a computers are shown in Figure. Input devices such as a keyboard, mouse or scanner are used to enter input (data and/or instructions), directly
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draw a block diagram to show organization of a computer system .explain or a units of computer system
Backup software: A number of Backup software are available that assist you in taking backup of your important data on the computer. Selecting between various back-up software
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Question 1 List down any six features of a Smartphone Question 2 Give a brief note on a) Internal Flash Disk. b) Use of C++ in Symbian OS Question 3 What are the naming
Choice of Medium: All the transmission channels discussed in the foregoing paragraphs can be used as point to point connections or as broadcast systems. Transmitting informati
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