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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 List and explain the ways used to close an MS Word document Question 2 What is MS-Excel? List the steps involved in starting Microsoft Excel Question 3 What i
PROGRAMMABLE ROM (PROM): The user can program a PROM after purchase. Each memory bit element in the PROM contains a nichrome or silicon link that acts as a fuse. The user can
FCFS algorithm also known as: • First-In-First-Out (FIFO) • Run-Until-Done • Run-to-Completion • Possibly, First-Come-First-Served algorithm is the easiest scheduling algorithm i
Search strategies are evaluated along four main dimensions. Name those dimensions and briefly describe each one
Ask questio Discuss the idea of democracy and its overlapping meanings for IS design. How would you democratically design IS? How does participation help the practice of democrac
write an essay explaining the following: 1.Storage aspects a. Disk formatting, b.Disk boot block ,c.Bad block removal, d.Compensation.
Open Systems Interconnection (OS1): As there are many different protocols for LANs and WANs, communication between two different systems can be difficult. The International St
History of E-mail: Internet based E-mail system was designed by a Computer engineer - Ray Tomlinson in late 1971 while working with ARPANET. Tomlinson used a file transfer pro
what is operator and operator associatively
Digital Camera: A Digital camera is an electronic device which takes video or still photographs or both, digitally by recording images via an electronic image sensor. Digital
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