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For a certain program, 1% of the code accounts for 50% of the execution time. Compare the following strategies with respect to programming time and execution time. Assume that it would take 100 man-months to write it in C, and that assembly code is 10 times harder to write and four times more efficient. Also assume it would take 100 hours in execution if entire program is written in C.
a. Entire program in C.b. Entire program in assembly.c. First in C, then the key 1% rewrite in assembly.
Program on BST
Sketch a plan for development of the addressing and the naming model in an environment of following given scenario: Ten (10) departments in the 1,000-employee organization. Equal separation by geography
Modify this restaurant() function to alter the address in message. usage the expression *menu rather than *(menu + i) to retrieve the correct element.
Describe two or more attacks for which the routers (layer 3 devices) are vulnerable. Explain how these attacks are detected and prevented by the security devices.
xplain why all this normalization stuff is so significant?" he asks. "The old system worked “OK” most of time, and now you're telling me we require all these special rules. Why is this essential?" Develop the ERD in MS Visio.
Major corporations, governments, and the other organizations are hacked every week, mostly by the means of phishing the attacks. Explain how users and IT organizations must arm themselves against these attacks.
Write down an application that reads 3 integers
A company find out that some of its proprietary information has been unveiled within the Internet chat rooms.It asks ISPs to disclose actual identities of these people. Should the ISPs comply along with this request? Describe your reasoning.
imagine that a certain cache-based system experiences a cache hit rate of 98%. A cache access requires 2 clock cycles, and main-memory access requires 40 clock cycles.
Prompt the user for name and age of a group of people. The group's size is unknown at first , so the program must keep asking the user if they want to enter more data.
explain five services commonly supported by a server and address security mechanisms and devices that are used to support client/server functions.
The cipher that Caesar used is simple technique to replace each letter of alphabet with the another letter further down the alphabet for lowercase and uppercase. Encrypt and decrypt the message using the Caesar cipher with (K=3) in Java.
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