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There are a lot of uses for cryptography in information technology, and there are a lot of different algorithms, cryptographic processes, key lengths, implementation methods, and so on
Write a function vecmul that will take as inputs two simple lists of numbers. vecmul should multiply these lists element-wise as one would multiply vectors. Assume the two lists are of the same length
Convolve the sub-image shown below with a 3x3 mean filter. What is the output of the convolution at the center entry of the sub-image? What if you use a 3x3 median filter?
Name and describe five specialized computer programsname and describe five specialized computer programs.
In experimenting with shell variables, Alex accidentally deletes his PATH variable. He decides that he does not need the PATH variable. Discuss some of the problems he may soon encounter, and explain
Calcualte the number of years between now and retirement calculate the amdount of money you will make between now and retirement calculate the amount of moaney you will savce between now and retiremen
You are the Network Manager for a large bank. You have been asked to investigate having employees connect using wireless and not cables. What measures would you take to insure security? Would you be i
From an IT (capital cost and labor) support standpoint, which would you use - smart card or password/ID? Why? From an IT network security standpoint, which would you use - smart card or password/ID? W
There are numerous ways to test for equality. == works fine for primitive types, but not for objects such as strings, etc. Why is this so? Discuss why == doesn't work when utilizing Strings but does f
Design and implement an application that reads an arbitary number of integers that are in the range of 0 to 50 inclusive and counts how many occurences of each are entered. After all input has been pr
It can now be distributed in MP3 files.From a technological point of view , these two distributed methods point of view , these two distributed methods are either fundamentally similar or fundamentall
What are basic program-design principles to keep in mind? (For Example--When creating programs you will always need to remember that each program is made up of three components INPUT,
The PC Store (PCS) has been in operation for one month. The owners have been so busy with the start-up that they have not had time to design and implement the computer-based system needed to make PCS
Involving individuals with various perspectives in system analysis and design activities
Alex wants to purchase a personal computer to perform some essential tasks. Alex has decided to get the computer assembled instead of buying a preconfigured and branded one. However, Alex is not clear
For each of the following claims, state whether it is True or False. Prove your answer.
Define a color word to be an English word that is the name of a color. So some example color words are red, fuschia, and ochre. Define an animal word to be an English word that is the common name of a
How many information system staff members do you think reliable can reasonably afford to employ? What mix of skills would they require? How flexible would they have to be in terms f work they do each
A price lower than the competitive price and because there are only a few firms in the industry, less output than the competitive amount the competitive price and output
The exercise for this week is to write a class that simulates managing a simple bank account. The account is created with an initial balance. It is possible to deposit and withdraw funds, to add inter
Compare and contrast the Biba integrity model and the Bell-LaPadula confidentiality model. What are the essential differences? Which do you think is more effective, and is the answer to that dependent
Discuss the reasons for information security policies. One reason is to enable the creation of other more specific planning documents. What would happen in the absence of a policy document?
Overloading is a way of using the same method name for multiple methods as long as the number / types of arguments are different. Why is overloading useful? Give an example (other than the one in the
Build a PDA to accept each of the following languages L
How has the use of the computer changed modern business practices? Do you believe computer usage has more often aided or detracted from business? For example, if the computer is so "wonderful" for bus