Databases Questions and Answers July 11, 2018

limitations of k mean cluster algorithm, how it is addressed

k maps two way traffic light

Describe (at a high level) an algorithm to find the largest and second largest elements in an array using at most n + log n comparisons. That is, we only care about the number of comparisons between values in the array. Hint: Assume n is a power of 2 and think about having a tournament to determine the largest element

Illustration of a binary relationship

C + + help: I am having a problem with the output. Instructions This chapter defined and identified various operations on a circular linked list. Write the definitions of the class circularLinkedList and its member functions. ( You may assume that the elements of the circular linked list are in ascending order. ) Write a program to test various

(10) 16 in binary?

he training set has 3 unique label values (A, B, C). Assume that you have 3 trained binary classifiers (M1, M2, M3) using logistic regression. M1 classifies an input to A or B; M2 classifies an input to B or C and M3 classifies an input to A or C. How can you combine the 3 classifiers to one multinomial classifier to classify an input to A, B or C?

Download and import a dataset into R. Answer questions of the dataset and produce a visualization of two or more variables. Download train.csv from https://www.kaggle.com/c/titanic-gettingStarted/data Import train.csv into R What percentage of the passengers survived the disaster (show and submit work)? What was the average age of passengers (show

which protocol is used to send email messages from a client to as server

C++ Functions w/ more than 1 argument ================================= - Write a function named conjunction, which takes two boolean inputs, and returns true if both inputs are true, and returns false otherwise. - Write a function named disjunction, which takes two boolean inputs, and returns true if one or both of the inputs are true, and

I need help making a BrickBreaker program in Java. The program has a World class called BrickBreaker and 4 sub/actor classes: Brick, Paddle, Ball, and BrickBomb( this class will be a brick that once exploded ends the game).

A very special island is inhabited only by knights and knaves. Knights always tell the truth, and knaves always lie. You meet two inhabitants: A and B. A says B is a knave. B says at least one of us is a knight. Determine who is a knight and who is a knave

Given the previous definition of class Sheep expanded with a default constructor and a clone() method, we write: Sheep a = new Sheep( bo, 101 ); Sheep b = new Sheep(); Sheep c = a; Sheep[] flock1 ; Sheep[] flock2 = new Sheep [5]; Sheep d = (Sheep) a.clone(); How many Sheep objects have been created ?

What would be the result of running the code below? class Parent: " " " An arbitrary class " " " num 1 : int def _ _ init _ _ ( self , num 1 : int ) - > None: self.num 1 = num 1 class Child ( Parent ) : " " " A subclass. " " " num 2 : int def _ _ init _ _ ( self , num 1 : int, num 2 : int ) - > None: self.num 2 = num 2 if _ _ name _ _ = = ' _ _

#ifndef _ BINARY _ SEARCH _ TREE #define _ BINARY _ SEARCH _ TREE #include "BinaryTree. h " template = s ? ? ? #ifndef _ BINARY _ TREE #define _ BINARY _ TREE #include "BinaryNode. h " template = 0 = 0 ; , = = 0 ; = 0 = 0 ;&& = 0 && = > * * nodePtr thank you for helping me . You can only add code to the places that says "write your code", please

I need help with this lab assignment it must be in python Dave Jeffery will be at a conference on March 16, 2018. Class will meet in ARSC 124 at the normal time to work on Lab 9. Blackboard will record your activity. You need to: Work through the dictionary example code (below) using the Python Shell Download the Lab 9 starting Python file Change

After performing the binary subtraction 00001111 - 00001101, what is the 2s complement from the resulted value? a. 11110101 b. 11101011 c. 11110001 d. 11111001

When jn an explore tab of a dataset eith default settings actions like sorting and filtrting return fast results what properth dataiku makes this possible

Suppose that ASCII encoding is used. What would be the value of variables x and y after executing the code segment below? char x,y,b = 'b'; x = b + 2; y = 100;

What are three functions for checking variable values in PHP?

(A0) 16 in binary ?

Python image classification i in gereken ad mlar

2. (5 points) Determine what is calculated by the following recursive function: unsigned f(int n) if (n

2. (5 points) Determine what is calculated by the following recursive function unsigned f(int n) if (n 0) return f(n) if (n 10) return n return f(n10)

python eulers number

Coding theory and cryptography

solve the recurrence T(n) = 3.T(n-2) + c

1)Write a flow chart for a program that asks the user for their age. if their age is no more than 18, print:"FREE savings account!". once you are done with flow chart write the program for the same flow chart. python

Combine the variables a, b, c, d, e with logical operators to express each of the statements below. In each problem, you may use either the AND operators or the OR operator, but not both. You may use NOT operator in both problems below. (a) True when a, b, d are true and c, e are false. Otherwise statement is false (b) False when a, c, e are true

Construct a Turing machine that recognizes the set of all bit strings that contain an even number of 1 s .

C+++ PROGRAM Objectives : The major advantage of using structs is to make the C++ code simpler, easier to read, and easier to work with. After completing this assignment, students will be able to: use structs to create and/or introduce new custom data types implement structs to group fixed numbers of pieces of data of different types implement

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which protocol is used to send email messages from a client to as server A )

Call the Analyze function you wrote above with the array, data = [5 4 3 2 7 6 5]. Save the outputs to the variables mn, mx, and a then print those values to the screen

Please describe the uses of the Composite Design Pattern. What are the advantages of Composite Design Pattern in Java?

Please answer these questions. Its due tonight JakeBox.zip //******************************************************************** // JukeBox.java Author: Lewis/Loftus // // Demonstrates the use of a combo box. //******************************************************************** import javax.swing.*; public class JukeBox {

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I need help defining a class in C++ that acts like a python dictionary. I need to be able to add keys-values to an already existing dictionary. For example id= {'sam':75, 'robert':09907, 'timmmy',95453, 'samuel',5333)}. i want to create a class in which i can do id.add("samuel', 8439922) and it adds it to the dictionary. i want to implement this

Google landmark recognition i in rnek python kodu

How many times will the following 'while' loop iterate? Question 9 (1 point) How many times will the following 'while' loop iterate? 0 times 1 times 2 times 3 times 4 times 5 times infinite

How would you best explain the difference between long- and short-term memory networks to a nontechnical business associate? (Provide an analogy.)

Please insert the following records into their corresponding tables using the MySQL CLI. Take a screenshot of a Select * command being successfully executed on each table (6 total). Teacher teacherID First Name Last Name HireDate 4 James Bond 2010-01-24 60 Chris Evans 2016-07-01 119 Tom Holland 2017-11-07 138 Robert Downey 2003-07-09 52 Mark

In Visual Basics - Program 2. Mileage Write a program which allows the user to enter the distance they have traveled by car in miles and the number of gallons of gasoline they used to travel the distance. Be sure to allow for decimal places for both values. Your results should show miles per gallon and kilometers per gallon. A kilometer is 0.61

Which of the following is false in saftey - oriented systems

Answer the following questions a , b , c , d with true or false We consider the dataset 'hydrolysis.txt ' , which looks at the relationship between the content of the amino acid serine as a function of time ( hour ) in hours for five different types of feed. Throughout this task, we assume that the mean of serine can be described by a linear

Please tell me the maximum code length that can be obtained by applying the Huffman code algorithm to n characters and explain why

A minimum of 400 words describes the process you would follow to design a local area network.

What is the every-case complexity of the exchange sort algorithm? a. n b. n2 c. n(n1)/2 d. n3

What is the everycase complexity Of the exchange sort algorithm a. b. c. d. n2

What will be the value of y after executing the following program? #include int my_function(int a, int b) { int x = 10; return x + b; } int main(void) { int x = 7, y = 3; y = my_function(x, y); return (0); }

Please describe the uses of the Composite Design Pattern. What are the advantages of Composite Design Pattern in Java?

Please describe the uses of the Composite Design Pattern. What are the advantages of Composite Design Pattern in Java?

thank you for helping, you can only add codes to "write your code" places and please use the given codes. THANK YOU. In this assignment we will create, display, and search a Binary Search Tree of Park objects. You are encouraged to reuse as much code as possible from previous assignments / labs . The assignment consists of the following classes /

what is the output and why it is like that please explain: public class QueueLinkedTest { public static void main ( String [ ] args ) { Queue q = new Queue ( ) ; int i , j ; for ( i = 1 ; i 3 ; i + + ) for ( j = 7 ; j > 0 ; j - = 2 ) { q . addQueue ( i * j % 5 ) ; if ( i * j % 3 = = 0 ) q . deletequeue ( ) ; } q . outputQueue ( ) ; } } public

Algorithms with time complexity such as n and 100n are called algorithms. a. one-to-one b. linear-time c. first-order d. simple

A program executes 200 billion instructions. It executes on an Intel processor that has an average CPI of 1.2 and a clock frequency of 3.2 GHz. How many seconds does the program take to execute? What is the cycle time of this Intel processor (in ns)? Assume that an AMD processor takes 100 seconds to execute the program. What is the speedup

how many rows has the join table 1 table 2

in java please Design and implement a class that computes addition and multiplication for n numbers. Create a driver to test your class

Exercise 6: f(x) = 2*x + 1 For this exercise, print the value of f(x) for x values 0 through 10. Hint: The step parameter only adds or subtracts. You will need to change the print instruction. Think of x as the loop variable and f(x) as your print function.

(a) Find a proposition with three variables p, q, and r that is never true. (b) Find a proposition with three variables p, q, and r that is true when at most one of the three variables is true, and false otherwise.

Please tell me the maximum code length that can be obtained by applying the Huffman code algorithm to n characters and explain why

a) Explain k-means clustering algorithm. [5] b) What are the limitations of the k-means clustering algorithm? How can you address these limitations

True/False: Arrays can be passed to functions, but individual array elements cannot be. A) True B) False

prove by MATHEMATICAL INDUCTION that the process of converting decimal to binary numbers always works

You are tasked to design the tools for live VM migration within a data center. Discuss and compare the data transfer protocols that you may use.

Drawing a flowchart for this code + a detailed explanation of this code #include #include using namespace std; int main() { int arr[10]; int sum = 0; cout < < "Enter 10 elements: " < < endl; for (int i = 0; i < 10; i++) { cin >> arr[i]; sum += arr[i]; } double average = (double)sum / 10; Print average with 2 decimal places cout < < fixed < <

Which RAID is defined as Striped set without Parity?

discuss the critical of the CIO role in maintaining and modernizing the company's ID infrastructure

Create "class Graph" which shows an if an undirected graph is a connected graph or is not a directed graph. The output should say "yay, graph is connected" or "sorry, is not connected".

PYTHON WHY DOES IT SAY INVALID SYNTAX? please quickly answer will vote

SS 56 57 58 59 CD 61 62 63 64 65 66 evalequality c evalequality just for a shorter name for i in if cti cil e finex finec inettj finetji) f is .format (counter, counter 1

The " " puts an asymptotic upper bound on a function. a. Omega b. little o c. big O d. theta

A persons body mass index (BMI) is computed as BMI=703*Weight/Height2. Set up a worksheet to compute a persons BMI.

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Word art act as which of the following a link and object a table or text

Please describe the uses of the Composite Design Pattern. What are the advantages of Composite Design Pattern in Java?

If the method f is defined as def f(n): return 3 * n + 2 which assertEqual statement succeeds? Question 5 options: assertEqual(f(1), 2) assertEqual(f(2), 8) assertEqual(f(3), 14) assertEqual(f(4), 16)

Scenario: The ABC company has three offices. These offices include the main officer, Glebe office and the office in Redfern. The Network Management System ( network manager ) is located in the main office ( as shown in topology ) . The network manager wants to monitor the network in all three offices using Simple Network Management Protocol ( SNMP

C++ Please Determine the output of each of the following commands

class ClassA ( public cout Class A pndl class ClassB public ClassA public void PrintB() cout a Class B endl public ClassB public void printc() cout Class C int main() ClassA a Classa b ClassC c return a endl Determine the output of each of the following commands. a.PrintA() a. PrintB() a. PrintC() b. printA() b.Printg() b. PrintC() c.

(AW) 16 in binary?

Which of the following five security services are implemented by the protocol given below, assuming that the session key KAB is generated at random by the sender , and both parties and an attacker have access to certificates of all users in the network. For any security services that are not implemented, explain why they are not implemented.

Can you please solve it with calculations and show me that the probabilities are valid and solve part 2 without just telling me code calculation. As in please show me numbers.

solve by matlab or whatever way to get the answer. Thank you so much Given the equation of a line f(x)=5.50x+11.1 and the data below, calculate the SSE, SST and r2 values

Write TCP client and server programs in Python that the client passes an integer to the server as a command line argument. The server receives the message, takes the square root of the integer, and sends the result back to the client. The client then receives the value and prints out both numbers. Your code should be able to handle errors in the

4. Insert the following records into their corresponding tables, using the MySQL CLI. Take a screenshot of a Select * command being successfully executed on each table (6 total). Teacher teacherID First Name Last Name HireDate 4 James Bond 2010-01-24 60 Chris Evans 2016-07-01 119 Tom Holland 2017-11-07 138 Robert Downey 2003-07-09 52 Mark Ruffalo

3 . 6 performance assessment reading and writing files

by using java: Task1 : Merage the create and read sequential file application in one application and you can use 1- Create a file for update(open in Append mode) 2- read 3- for exit Task2 : filter the open Dialog(File chooser ) so the you can only display the information about txt files only

Despite the strictest security protocols and measures, every organization has certain vulnerabilities that can be exploited by hacking attacks. Once these vulnerabilities are identified, cyber security professionals need to be well - equipped to securing them. Occasionally, however, these may not be secured in time. A security consultant also

Program is Java Sum of two numbers: Write a program that asks for two integers from the user and stores them in variables. Then store the sum in a variable named result. Display your output in equation form. { Ex. [num1] + [num2] = [sum] }

QUESTION 1 [ 1 5 points ] Table 1 shows the difference between decorator pattern and Inheritance. Please write which label ( Decorator , Inheritance ) the columns belong to . Table 1 [ [ ? , ? ] , [ Used to extend the functionality of a particular object., [ [ Used to extend the functionality of a class of ] , [ objects . ] ] ] , [ Does not

what is the number of rtt if we donload ssl

Consider the statement X, shown in the truth table below. QRX F FF FTT TF (a) Express X in disjunctive normal form (b) Express X in conjunctive normal form

Suppose you are the analyst charged with developing a new system for the university bookstore with which students can order books online and have them delivered to their dorms and off-campus housing. What requirements-gathering techniques will you use? Describe in detail how you would apply the techniques. I will be sure to upvote! Please answer

In Java Please 1. Write a program that maintains the top 15 scores for the students of a class that has more than 15 students , implementing the add and remove methods using a singly linked list instead of an array. When adding and removing a student/score, the Singly Linked List should also sort itself so that the list remains ordered. Also don't

What is the name of the approach proposed in 1 9 5 0 to provide a satisfactory operational definition of intelligence?

A collection of (simplified) DreamHome leases is shown in Figure 1. The lease on top is for a client called John Kay who is leasing a property in Glasgow, which is owned by Tina Murphy. For this worked example, we assume that a client rents a given property only once and cannot rent more than one property at any one time.

Insert the following records into their corresponding tables, using the MySQL CLI. Take a screenshot of a Select * command being successfully executed on each table (6 total). Subject subjectNumber Name gradeLevel 62 Algebra 9 33 Biology 10 83 Legal Studies 11 35 Entomology 9 70 Norse Mythology 10 23 Geography 10 67 Literature 12 78 World History

In qualitative data, there are four elements and strategies of trustworthiness

Name three important things to document for any trauma patient.

Show parse trees and abstract syntax trees for: a) a + b * c * d + e + f b) a + b / c - d * e - f c) a / (b - c * d * e) * f d) a + (b * (c + d) * e) * f * g

What will be the value of y after executing the following code segment? int x = 7, y; switch (x) { case 5: y = 50; break; case 6: case 10: y = 100; break; default: y = 10; }

What functions do vSmart controllers perform in the SD - WAN solution deployed in the organization, particularly concerning route calculation, path selection, and policy enforcement, and how do they contribute to optimizing network performance and security?

you have been working on a piece oof code for a client project. Now that it is complete, you want to forward it to your infosys / personal email ID so that you can refer to it for future projects. Is this permitted?

When N resistors are connected in series, their equivalent resistance is 1=1 None of the shown expressions is correct =11 1=11 =1

"Cryptography and Network Security: Principles and Practice" by William Stallings, 8 th Edition