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Databases Questions and Answers February 05, 2021

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Normal and t-distribution Using the equations for normal and t-distribution, do the following. (DO NOT use the built-in function for normal and t-distribution. Use the corresponding equations of the distribution)1) Write a function to generate the normal distribution2) Write a function to generate the t-distribution for a given degree of

Function Name: Scrapwood() Inputs: 1. ( double ) The amount of inches of wood you want to cut off Outputs: 1. ( double ) The amount of feet of wood that will be left 2. ( double) The amount of inches of wood that will be left Topics: ( mod ), ( functions ) Background: George needs to cut wood for his robot. He knows how much wood he wants to

Consider the following register set connected to a common ALU and having the following opcode table: HI RU RA KT MUX M OPR Operation 00000 Transfer A 00001 Increment A 00010 Add A+B 00101 Subtract 4-8 00110 Decrement A 01000 AND A and B 01010 OR A and B 01100 XOR A and B 01110 Complement 10000 Shift right 11000 Shift left ALL Figure 1 Register set
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Assignment #2 will be the construction of a program that reads in an unspecified number of integers from standard input, performs some calculations on the inputted numbers, and outputs the results of those calculations to standard output. The numbers could be delimited by any kind of whitespace, i.e. tabs, spaces, and lines (Note that if you use

Amazon Prime Air is a multirotor Miniature Unmanned Air Vehicle using GPS sensor to autonomously fly individual packages to customer's doorsteps within 30 minutes of ordering. A block diagram of one such system is shown in Fig. 4. R(s) K Gd(s) HS) N(S) Fig. 4 Amazon Prime Air Drone control system can be represented by the transfer function: G(s) =
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In Java Program 1: Create an array of Strings with following: String[] names = {"bob", "jen", "rob", "rick"}; Write the following method: public static int amtOfPattern(String[] n, String pattern) amtOfPattern returns back the total amount of String in the array n that contain the pattern in String pattern. example: amtOfPattern(names,"ob");
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Create a public git repository name COMP 2 1 5 6 _ Group# _ Assignment. Note that only one member ( Leader / Owner ) from your group will create a repository and other remaining member ( as collaborators ) will clone the repository on their local system. ( 0 2 Point ) The leader / owner of the repository will add other group member as collaborator
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Compare the operation of the layer 3 entities in the end systems and in the routers inside the network.

a. Answer the following questions according to below database schema figure. State the names of all tables State the primary keys of the tables b. State the foreign keys in the tables (if any) C. Which tables can be joined? a. customers * customer_id first_name last_name phone email street staffs staff_jd first_name last_name email phone active
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Explain how each pixel in the image corresponds to an element in the matrix and how the color information is encoded.

Naming of a device should include all of the following except: Select one: Starting with a letter Use of special' characters Ending with a letter or number Include no spaces
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This is your final project. Create the follow program using Raptor ( if you do with both Raptor and Python correctly, you will get 2 0 bonus points for this assignment ) . Use the concepts, techniques and good programming practices that you have learned in the course ( example: using modular structure, using input validations.... ) . You have

java language Objectives of this lab: Students will understand the concept of classes. Students will write the definition of a class. Students will write definitions of member functions. Students will be able to use setter and getter. Task# 1 Create a class to find the area of a triangle. The class includes: Two data Members: Base and Height. One
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Quiz # 2 Write a Matlab user defined function that takes the letter grades (ie. AABBC) as input and returns if the student entitled to the honor list or not. The student is considered in the honor list he or she satisfies the following three conditions: An average GPA of 3.5 and above. At least two classes with A mark. no class with a mark less
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Question 24 Which of the equation below cannot be further simplified. Not yet answered O a. A'B + AC' +B'C=X O b. A'B (A'C+C) = X O c. A'B + A'C + AB = X O d. (AB)'(B+C) = X Marked out of 1.00 P Flag
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need help modfying this code and fixing it to match the new directions. Col 1 Col2 Col 3 Row 1 23.1 13.58 14 Row 2 56.78346.29 45.71 Write a program that accomplishes the following objectives: 1. reads in the number of rows, then the number of columns, 2. using nested FOR loops, reads in the column data for each row, 3. adds up the data for each
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Develop a web application using PHP that receives submission files for completed assignments. The application has the following requirements: At least four different papers (e.g., 159339, 159741, 159302, 159334) The account numbers for students need to be checked against a list (the list must reside in a text file in the same subdirectory. Every

Given a tester is presented with the following screen shot, come up with scenarios that will test the count a's functionality. Scenario: Given a tester is presented with the following screen shot, come up with scenarios that will test the count a's functionality
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Consider the following C++ code: string str1; string str2; char ch; cin >> str1; str2 = str1; cin >> ch; str2[0] = ch; cout < < str1 < < " > " < < str2 < < endl; What is the output if the input is Hello J? (5 points) ANSWER:

Use the first part of the code in order to perform cross-validation using k-fold (k = 10). Call the variables for your cross-validation result, misclassification rate (loss), and accuracy, CVSVMModel1, classLoss1, and validationAccuracy1, respectively. You should get a misclassification rate of ~9% (the exact value will change every time you run

a) Regular expressions are as powerful as a deterministic finite-state automaton. State whether the above statement is true or false? Give your reasons in not more than one or two sentences. (2m) b)Which is more powerful, an unrestricted grammar or a Pushdown Automaton (PDA)? State your rationale or reasons to support your answer in one or two

Please write java code for the following instructions Assignment 2 Extend your application from the previous assignment. The class name should be Controller2, an underscore, and your NetID run together; for example, if your NetID is abcde6, your class name would be Controller2_abcde6. Likewise, Employee should be renamed Employee2. For this

For the following recusive function below, what is the returned value of f(2), f(4), and f(5). 1: int f(int n) f 2 3: 4: int ans; int i; if(n3) return n; 6: ansf(n / 2); 7: 8 9:return ans; 10: for (i = 0; i n; i++) ans f(i); += f2) = i(4) = RS)
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4G (fourth generation) cellular technology allows data connections at a maximum rate of over __________ in fast-moving vehicles. a. 2 Mbps b. 1 Gbps c. 20 Mbps d. 100 Mbps

*** C++ CODE *** 1. Write a program named, mathTutor .cpp . This program will help a young math student practice the four basic operations. This program begins by displaying for the user a menu of choices. The choices will be either to create a random problem for one of the four operations or to quit the application. You can see from the example

You will be writing an analog input/output program that allows you to control the brightness of a single LED with a single input. First, write a program that reads the analog voltage drop across a potentiometer. This value should range from 0 to 1023 as the potentiometer is adjusted. Next, use this input value to adjust the brightness of an LED
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Personal information Write a program that displays the following information, each on a separate lines: Your name Your address, with city, state, and ZIP Your telephone number Your college major Although these items should be displayed on separate output lines, use only a single println statement in your program
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From the video shown in class, what kind of cable is installed at the bottom of the ocean by special ships? Group of answer choices Ethernet ( 1 0 Base - T ) high - voltage cable fiber optic cable coax cable shielded twisted pair

You want to organize the AD objects such as users and groups by placing them in their respective containers in the AD hierarchy. This directive is in line with backing up the system state data of the domain controllers. You attempt to move the G - IT security group to the IT OU . You get the following message Windows cannot move object G - IT

In Android studio, which of the following callback is called when an activity starts interacting with the user? Group of answer choices onStop onCreate onResume onDestroy

( Temperature Conversion ) Write a pseudocode that reads a Celsius degree from input, converts it to Fahrenheit, and displays the result. Here is a sample run: Enter Celsius degree: 2 5 Degree in Fahrenheit is 7 7 . 0 .
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Please and thank you (5 pts) Loops: Write a console program to prompt the user for the size, then compute and print a table from 1 to that size, of the first 5 powers of that number. Space all columns equally at l6 characters 1) Include a header row as shown below. For example, the program should print out (assuming the user enters 5): Please
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Which of the following cloud computing characteristics addresses the business need to increase or decrease capacity when necessary ( for example, retailers frequently need much more computational capacity on Black Friday ) ? Virtualization Scalability Uses broad network access Providine on - demand self - service
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matching Document or do not document A)indicate whether or not you need to document in the following situation:you change a lot of the wording of a paragraph.B)indicate whether or not you need to document in the following situation: you list the birthplace of George Washington.C)indicate whether or not you need to document in the following

list and explain 5 real-world scenarios where the singleton pattern is appropriate and 5 real-world examples where the command pattern is appropriate.

15 A 2-uded con has an equal lihood of landing on each side one side is called heads and the other is called "take the program below timulates randomly Mpping that con many times Which of the following is NOT owl combination of values of the variable in this program when finishes running? hoof 15 A 2-uded con has an equal lihood of landing on each
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If x and y are floating - point numbers, then the evaluation off ( x , y ) = x x 2 yin a floating point system may be very inaccurate due to cancellation. To illustrate, use baseb = 1 0 , precision k = 4 , idealized, chopping floating - point arithmetic below. ( a ) Let x = 1 2 3 . 4 = 0 . 1 2 3 4 \ times 1 0 3 and y = 1 . 2 3 4 = 0 . 1 2 3 4 \

2. (10 points) Solving Recurrences (II). Consider the following recurrence: T(n)=2T(n/4)+T(n/8)+n Assume that the base case is T(1)=(1). Using the recurrence tree method: (a) (8 points) Find an upper bound (i.e. O(.))onthesolutiontothisrecurrence. (b) (2 points) State the lower bound (i.e. (.))forT(n) and justify your
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Help with this matlab problem please!! Using hospital.xls do the following in matlab: 1. divide the patients according to whether or not they received antibiotics. Calculate the mean and standard deviation for each of the two subsamples and report the results in a table. 2. Create histograms and boxplots for the two populations. 3. The boxplot
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Question 2 9 ( 2 points ) The only way to access data contained in a database is through a DBMS True False
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Which remarketing audiences can be defined in Google Analytics? ( select all that apply ) Users who visited a specific page on a website Users who played a video on a website Users who speak a particular language Users who searched for a product on Google Search

What is requined to access Dynamic Study Modules? Previcusly signing in from a desktop, if using DSM on the mobile app Enrollment in a course that uses Mastering with Dynamic Study Modules A current Mastering username and password All of the above Request Answer Provide Feedback
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Jump to level 1 Integer yucaCount is initialized with 0 . String nextWord is read from input. Write a while loop that iterates until nextWord is equal to "Stop". In each iteration of the loop: Increment yucaCount if nextWord is equal to "Yuca". Read string nextWord from input. Click here for example #include = 0 V * * Integer yucaCount is
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(50 points) Given the following schema (missing key information and constraints), use the column names to identify any functional dependencies that hold between the attributes. Book (ISBN, Title, PublishedDate, PublishedBy, Authorld, AuthorName, AuthorBirthday) For example, under the assumption that a book has only one author, we would expect ISBN
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Write a program that reads an integer from input and outputs that integer multiplied by 5. Ex: If the input is 2, then the output is: 10 To solve, replace /* Your solution goes here */ with: number = scnr.nextInt(); System.out.println(number * 5); Then click "Run".

The code must be written in C. Write a program that computes the number of elements in an array divisible by a user specified number. Declare an integer array of size 7 and read the array elements from the user. Then, read a number k from the user and compute the number of elements in the array divisible by k. Consider the following example. 3
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Which type of memory is non - volatile and retains its data even when the computer is powered off? Secondary Storage Memory RAM Virtual Memory Cache memory
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Design a BCD Adder / Subtractor for 1-digit operands, no sign bit. Use an EPROM 2716 memory and present the results on the display.

python data structure e. What will the Time Complexity of stack Push and pop operations when it is implemented on a Linked List? Compare it with array-based stack in terms of performance. Click or tap here to enter text
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Using Python please! 2.26 M2 zyLAB: Convert algebraic notation to Java Write a program that declares three integer variables: x = 10, y = 25, z = 40. Use these variables to print the results of the following algebraic equations: x + y + 2 3 x+y= 2 x = x+y Sample output: 25 35 35 [Note: output z after the 2nd equation and output x after the 3rd
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Write the correct HTTP response code for each message below. a. Service Unavailable b. Moved Permanently c. Success d. Continue e. Forbidden (client is not authorized)

1) If you have not already, review Exercise 4-1 in Chapter 4. Look at the solution files for the exercise. 2) Update your ToDo List to include Categories like Exercise 4-1 does. Your sample data might include categories like "Yard Work", "Homework", and "Household Chores". This will require you to create a 2nd table in your database called

Identify concepts and procedures for creating, viewing and managing disks, directories and files.

1) Field names are plural because there are several records in the database. -True Or False 2) Field names are plural because there are several records in the database. - True or False 3) It is recommended that fields not store a calculation. However some databases today allow you to store calculations and they automatically recalculate when data

Draw an FST that will use as input pronunciation representations, one symbol at a time, and produce the corresponding words as output. The input alphabet should be the set of phonemes in the CMU dictionary page (i.e. ? = {AA, AE, AH, AO, AW, B, CH, D, DH, ...}), and the output alphabet should be exactly ? = {language, languages, student,

Integer num _ vals is read from input representing the number of values to be read next. The remaining values are read from input into val _ list. Use a loop to output all values in val _ list on the same line, and surround each value with angle brackets. End with a newline. Click here for example Ex: If the input is: 2
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Observe the Happy Insurance database below: CLIENT ClientID ClientName AgentID Client SpouseName ClientIncome CHI Tom 47 Jenny 102,000 C222 Karin 4 Bill 105,000 C333 Cole 42 Amy 80,000 C444 Dorothy 42 90,000 C555 Andy 43 70,000 C666 Tina Mall 180,000 C777 Christina AS Mike 200,000 AGENT AgentID AgentName AgentArea Agent Rating Agent Year Ofire
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Use the Pseudocode Summary Chart ( attached below) , to help you with the pseudocode needed to write the following algorithm solutions. (The chart is the same handout that was posted in the Week 2 folder and basically corresponds to Fig 2.9 on page 59 in Chapter 2 of the Invitation to Comp. Sci. textbook). Design the following algorithms ( using

Which of the following is a primary benefit of using artificial intelligence ( AI ) in digital transformation efforts?

I need help in fixing the error that is showing When done developing your program, press the Submit for gra submit your program for auto-grading. Coding trail of your work 2/27M000000,0300,0,0,3,0,0,0min:1 Latest submission - 11:23 PM MST on 02/27/23 Only show failing tests 1:Compare output Output is nearly correct, but whitespace differs. See
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Find the average days taken to deliver by month after creating a new variable Days to Deliver . Show this view only for delivered orders and not for pending / canceled or any other ordered statuses. The orders must be placed and delivered in the same month ( i . e . , if there is an order placed in the month of January, then the order must be

Please write a Scheme function in the DrRacket IDE which returns a string containing only the number characters in the given string. For example, if the given string is "12dffggb4@#$%5d" , then the return string is "1245" . You are required to use a loop or recursion to find the number characters in a character-by-character analysis; provide an

write a c++ program using array to ask the user to enter the student ID and three test scores also find the average of each student and the a average of the class. there is 10 student in the class. use dev c++ bloodshed compiler and also the output should be in a table form with a heading and displaying all the students ID grades and average.

In this lab, you will draw a sequence of small squares that are positioned randomly on the screen and maintained in a vertex buffer object. The provided shaders will rotate the squares by a specified angle. This is a modification of the provided example, which is drawing static points. You will be drawing a sequence of small squares; each square

Write a pseudocode for a subset of 'n' numbers such that the running average computed by accepting the (n+1)th number, adding that to the previous set of numbers but eliminating the first, and recalculating the average (20 pts.) Example: For the numbers (2,5, 3, 7, 2,5, 3, 7, 1, 8, 4, 9, 2,5, 3, 9, 6) having a set of 4 to be averaged, the running
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Python - In a function, write a program that asks the user to enter a series of single-digit numbers with nothing separating them. The program should display the sum of all the single digit numbers in the string. For example if the user enters 2514, the method should return 12, which is the sum of 2, 5, 1, and 4. Then in another function, ask the

A company stores Power Platform customizations in source control. You need to review the changes made to individual components. Which tool should you use? Select only one answer. - Plug-in Registration - Configuration Migration - Package Deployer - Solution Packager

What is the difference between class - based and function - based views in Django? Question 3 options: 1 ) A class - based view provides more flexibility and code reusability, while a function - based view is simpler and easier to use 2 ) A class - based view is written in Python, while a function - based view is written in JavaScript 3 ) There is

Consider an instance of the stable marriage problem for n = 5, with the men as M = {m_1, m_2, m_3, m_4} and the women as W = {w_1, w_2, w_3, w_4}. Consider the following preferences (each list is ranked from first to last choice): What is the matching produced by the Gale-Shapley algorithm? For each man/woman, also designate their partner's
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Given the following segment of the program, a. Stack color = new Stack(5); b. Queue shape = new Queue(5); String x, y; d. S.push("blue"); S.push("orange"); f. Q.enqueue("green"); Q.enqueue("red"); h. x= S.peekTop(); i. Q.enqueue(x); j. System.out.println("Popped: "+S.pop(); k. y=Q.dequeue(); 1. System.out.println("Removed: "+y); m. S.push(y);
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Part II. Data Flow Diagram Create Context Diagram and Level-0 DFD based on the following business scenario. The pharmacy at Mercy Hospital fills medical prescriptions for all hospital patients and distributes these medications to the nurse stations responsible for the patients care. Below is their prescription process: 1.) Prescriptions are

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Using C+t Create a class name Dog with a string field for the Dog's name. Create a class Cat with a string field for the Cat's name. Write a program that declares one Dog and one Cat, and assign names to them. - Declare a member function speak() for each of the class with different implementation such as cout
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studdeen_th.LT ahl budes ranfus perexrenster auh ecHS ames table a printer bor a perronal empedex
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12. The output produced by the statement x = &y; cout
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How does encapsulation allow you to change the internal implementation of a class?

in Java please NEED IT ASAP and post input screen !! The current selected programming language is Java. We emphasize the submission of a fully working code over partially correct but efficient code. Once submitted, you cannot review this problem again. You can use System.out.println() to debug your code. The System.out.println()may not work in
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Here is the game description: Here is the sample game: Goal: Your goal in this assignment is to write a Java program that simulates this card game and prints the sequence of played cards and the winner at the end, as shown above. Use Dealer.java, GeneralPlayer.java, Main.java, Card.java, Table.java, and Deck.java, complete CardPlayer.java and
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Be sure to complete the final stepclick on the Send for Marking button to notify your tutor. Prerequisite: Read what an API is in the textbook Introduction to Programming Using Java by David J. Eck on pages 142?143. When solving the problems in this assignment, you must follow the application programming interface (API) expected in each problem.

We want to sort n 0 distinct real numbers in ascending order. Assume that these numbers are given in an array A of size n. We are also given a function double- partition(i.j) which takes as input two indices 1 i
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5. (15 points) Prove by induction that the number of nodes in a binary tree of height h is at most 2h+1
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In UNIX / Linux systen, what is the difference between a plain file and a plain file that is a hard link? Explain.

q 2L DATA: P=16kN q=10kN/m L=2m A=0.20m^2 1=1.0E-04m^4 E=210Gpa 4. Requested: 1. form the equivalent system (10 points) 2. discretize the model (10 points) 3. connectivity table (10 points) boundary conditions (15 points) 5. the global stiffness matrix for the structure (10 points) 6. displacements and rotations at nodes (15 points) 7. the
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Create a class called Peach as follows. Set up two private member variables for ID ( char ) and price ( double ) . Create a public accessor and a public mutator for each member variable. Create a non - member function outside of the class Peach that takes in an array of Peach objects ( Peach ) and the size of the array as parameters and returns a
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Please help me fill out the blank and answer the question please? Problem 3A. (10 points) Based on theoretical analysis of the complexity of the serial algorithm and the parallel algorithm for matrix-vector multiplication, you have derived the following expected serial runtime (Tserial) and parallel runtime (Tparallel) for the multiplication on a
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P3 - Sin(x) sin(x) can be approximately calculated using the following formula, where n! is factorial(n) - for example 3l-3*2*1 6 (the function in previous problem). 2n+1 3for all z The more terms we use in the series, the higher will be accuracy of the calculations. By using infinite terms in the series we will have the exact value Hint 1: For n!
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Which of the following are valid variable names in MATLAB? Mark all correct answers. 3 mass Mass 5 mass 5 in kg 5 - Mass mass 5

i need help to wtite a new way of writing the pow function in c programming MyPow Function ASSIGNMENT: Write a program to re-create the pow () function. Your function should work just like the pow() function-you should pass 2 numbers to the function: a double for the number to raise to a power, and an integer for the power to raise the number to
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Under which of the following requirements would it be more appropriate to use Hadoop over a data warehouse? Question 8 options: A ) analysis of provisional data B ) offline archives alternative to tape C ) unrestricted, ungoverned sandbox explorations D ) ANSI 2 0 0 3 SQL compliance is required

Using Java, write and test a copy constructor for the Binary Search Tree class. A copy constructor takes a reference to a BST and creates a copy. Note that you cannot just copy the root reference. You must go through the original tree and create copies of all the nodes. This is easiest to do with a recursive function that takes a parameter that is

4 Problem 4 (30 points) Let A be some array of n integers (possibly negative), with no duplicated elements, and recall that Rank(x) = k if r is the kth smallest element of A. Now define InverseRank(2) = n + 1 - Rank(x). It is easy to see that if InverseRank(I) = k, then x is the kth largest element of A. Now, let us define a number r in A to be
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This is using MATLAB Problem 1 Sort an array and rearrange it from largest to smallest selement. Given A=[[2,4,1,13,16,3,1] Implement the following sort routine algorithm. s.tep 1: Create an outer loop which will loop index i a number from 1 to m=size(A) times. Step 2: create an inner loop which will loop an index j from i to m times. Within this
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When is it convenient to use semilogx,or semilogy, or loglog on matlab? Question 14 Correct Mark 4 out of 4 P Flag question The following script generates a figure with four subplots: The transistor density (the number of transistors that fi t per square inch) on a semiconductor integrated circuit double s every two years. Transistor density was
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HERE IS WHAT I HAVE SO FAR: Ive tried getting help from my professor but the answer i keep getting is i have two transitions out of my NEXT_WHOLE state at the bottom left? I cant wrap my head around how i can get rid of that? Like if i had "5e5f" i would transition to the floating-suffix state with an "f" however if it was "5e5L" i would have to
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python is a popluar programming language

1. Management is an art, science or both explain with illustration. 2. How would you define social responsibility of business. 3. Discuss the steps in method to study the management

The government maintains a data file on all cars and trucks. The file contains a lot of information for vehicle including the make and model, the vehicle type, the type of fuel, and the city and highway miles per gallon. The information in the file is stored in CSV format where the all the information for each vehicle is stored on a single line (

signed binary addition overflow

Select the description that characterizes the Boolean expression: x b a r ( y ) z Neither CNF nor DNF CNF and DNF
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SISTIC Vs Ticketmaster Vs Ticketek Your assessment should describe the design of the website and explain the entire task flow to meet your intended objective of using the website for your selected booking transaction. While your evaluation should largely be based on usability and human - computer interaction, you can also discuss your points based
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