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Q1. Give two examples, apart from those given in the slides, for each of the following:
a) Data mining from the commercial viewpoint
b) Data mining from the scientific viewpoint
Q2. Differentiate between classification of data and clustering of data with the help of suitable examples.
Q3. Why do we need preprocessing of the data? Explain any 4 data preprocessing techniques.
Q4. Explain in detail the 5 number summary of distribution (i.e. Minimum, Q1, Median, Q3, Maximum) of a box plot.
Q5. Give any two situations in which a distribution of data is negatively skewed in one and positively skewed in the other. You can think of any real life example.
It is mentioned that "Clients often lack appreciation for the complexities inherent in software engineering, particularly regarding the impact of changing requirements." Imagine you are in this situation, what would you do to handle this situ..
Convert the following decimal mumbers into 8-bit binary numbers a required for 2's complement math, and perform the indicated operations.
The machine language treats a message as bits while object-oriented programming language treats every message as an object
1. Networks present a lot of opportunities for security challenges. What type of network are you on, and what security elements are employed? Are they effective? Why or why not?
Create 7-bit adder. Inputs are X[6..0], Y[6..0], and Cin. Outputs are S[6..0] = X[6..0] + Y[6..0] + Cin, where + is arithmetic addition. Implement adder in LogicWorks. The parts you can use include.
This file system has 12 direct disk blocks, as well as single, double, and triple indirect disk blocks. What is the maximum size of a file that can be stores in this file system?
Suppose that an array contains angles in degrees. Write a function that converts any angles outside of the interval [0,360] to an equivalent angle in that interval. For example, an angle of 380.5 degrees should be converted to 20.5 degrees.
When you hear the term "making IT eco-friendly", explain how this is related to Information Technology and the environment.
Write a Select statement that returns one column from the Vendors table named Full Name.
Write the function Xsort wich takes in a list of strings and returns sorted list with all words beginning wih "X" first in the list. f.ex: xsort (['kex', 'xylofonn', 'epli', 'xenos', 'asni']) returns ['xenos', 'xylofonn', 'asni', 'epli', 'kex']
Describe the types of information available to a program when using the KeyListener interface.
Compare and contrast twisted pair cable, coaxial cable, fiber-optics, and wireless for this application. You should create a table or flow chart which would facilitate choosing between these options depending on circumstances.
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