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Databases Questions and Answers April 23, 2020

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Please help with C++ function. Need to solve it without allocating dynamic memory, and include a main method with test cases. Thank you. #include using namespace std; int current_size = 4; int resize_step = 4; //This functions add the value x at the last position in the array //The count of elements is indicated by the variable count //If the

In what way is an operating system like a government? It creates an environment within which other programs can do useful work. It seldom functions correctly. It performs most useful functions by itself. It is always concerned primarily with the individual's needs.
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In customer has the possession of requirement and software specifications. Generic Products Customized Products Both Generic & Customized Products Application Software

In the film The Sixth Sense, what does Cole say he is thinking before he leaves the living room? " I ' m glad your here." " No one can help." "They're going to get me . " None of these. "You're nice, but you're not going to be able to help me . "
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Write it in JAVA please Perhaps the most famous of all coding schemes is the Morse code, developed by Samuel Morse in 1832 for use with the telegraph system. The Morse code assigns a series of dots and dashes to each letter of the alphabet, each digit, and a few special characters (e.g., period, comma, colon, semicolon). In sound-oriented systems,
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Represent the following in single-precision IEEE floating point. Give your answers in hex. a. 2007.0 b. -4014.0 c.-2^-8 d. 2^24 - 1 e. 2^24 Convert the following single-precision floating point numbers (given in hex) to decimal. a. 3E800000 b. BEC00000 c. 46800000 d. C67FFC00 e. 48900200 Given these two single-precision IEEE floating-point numbers
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A sentence in propositional logic that can be either True or False is called...

python help Objective: Write a program that makes use of the topics covered in the course to solve a problem. Problem: Using python, write a program that will simulate a special physics demonstration. Imaging a number of wooden matches are arranged upright on a grid. The matches are positioned at the same level and at integer location (inches) on
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Lab: Token Scanner Classes Python 3 Purpose The purpose of this assessment is to design a program that converts infix expressions to postfix expressions. The program should display a given infix expression to the user and ask them to convert the expression to postfix expression. Define three classes named Token, Scanner, and IFToPFConverter . The

Just need Answer for 5, 6, 7, 8 For this assignment, use the table and data from the last page. 1. Write the SQL statement to show workers with names that have the letter i before the last character. 2. Write the SQL statement to show all staff where the 2nd letter of their last names is 'e' 3. Write the SQL statement to show all staff where the
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C++ I need to figure out how to code the last function in my code. I need to use Dijkstra's algorithm. Here is all of my code, but I need the last function and any explination to help understand it would be nice! I am pretty confident the rest of my code works, but any times would greatly be appreciated! Here are the directions for the function.

Need Help! Tic-tac-toe. Write a game of tic-tac-toe in a class called TicTacToe. An object of type TicTacToe is a single game. Store the game board as a single 2-D array (3x3) of base type char. Use good data encapsulation practices and provide a public interface for methods that: a. add a move b. display the board c. determine whose turn it is (X

How do I print out the 10th and 15th element from this fibonacci sequence written in Java? public class FibSequence { /** * @param args the command line arguments */ public static void main(String[] args) { int count = 16; int[] feb = new int[count]; feb[0] = 0; feb[1] = 1; for(int i = 2; i < count; i++) { feb[i] = feb[i-1] + feb[i-2]; } //include

1. (1 point) Why is assembly language not usually used when writing large application programs? 2. (1 point) Assume that you have three 8-bit storages (registers) named A, B, and C to store binary numbers. Register A contains 11101011 and register B contains 10110110. Compute A+B and store the value in C register. What is the content of C register
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Which of the following is a requirement for turnbuckles? A . They must have more than three threads showing at either end of the barrel. B . They must all have the same barrel length. C . They must be wired or clipped. D . They must be lubricated.
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Let G = (V, E) be an undirected graph with n nodes. Recall that a subset of the nodes is called an independent set if no two of them are joined by an edge. Finding large independent sets is difficult in general; but here we'll see that it can be done efficiently if the graph is "simple" enough Call a graph (V,E) a path if its nodes can be written
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Many Indigenous languages had three pronoun types True False
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f)kS(5+jSj)=S={3,7,6,14,15}
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I need a quick answer Question 10 Not yet Result of the following binary operation is: 1's compliment of (1110)2 + 1's compliment (0011)2 answered Marked out of 1.00 P Flag question O (1101)2 O (1011)2 0 (01112 O (1110)2 Question 11 Not yet Result of the following binary operation is: (0010)2 + (0111)2 + (0100)2 answered Marked out of 1.00 P Flag
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At the end of the semester, the instructors for a Statics course compile their final grades into a single spreadsheet to determine the general performance of students for their course. These instructors are responsible for ten sections of the course in total. It is assumed that each section contains 49 students. The attached Excel spreadsheet
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1. The unique security issues and considerations of every system make it crucial to understand all of the following, except _____. A. security standards B. security skills of developers C. hardware and software security configurations D. data sensitivity E. the business of the organization 2. Risk analysis is an analytic process that estimates

Help with some Java methods, topic- Custom-built arraylists All questions are based on the following custom-built array-based list clas like the one we created in the lecture. class MyArrayList private int[ data; //items stored here private int nItems //tracker to determine current occupancy public MyArrayList) data = new int [10]; nItems-0 @param
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HELP NEEDED ASAP: Static objects exercise JAVA (please answer in java) CountObjects.java: ClassC: Exercise 4 Using Static Objects 1. Open and study class CountObjects.java. The main method in this class creates a random number of objects of the class ClassC. However, variable numObjects has value -1, which you must change so that when this program
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# YOUR SOLUTION GOES HERE "Check that statistics returns the correct datatype." assert type(statistics([1.3,5.2,3.7])) == tuple , "Return value should be a tuple." assert len(statistics([1.3,5.2,3.7])) == 7 , "Return value should be a tuple of length 7." print("Problem 4 Test 1: Success!") "Check that statistics returns the correct mean value."
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A system has four processes and five different types of resources. The current allocation and maximum needs are follows: value of x so that CDBA is a safe sequence? In order to get credits, you should show your work clearly!
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Research types of operating systems that are currently available and provide a scenario in which the operating system you chose would be appropriate to be used in this situation. Explain why you think the choice you made would be applicable here. Subject is Foundation of Information Technology ITS1101

Write a program in java that will implement the Huffman encoding compression algorithm. You do not need to read from a file or store to a file. Simply create the Huffman binary tree, encode, and decode the following sequences (there are 3): enqueue, cabbabbac , madam . i. Build a Huffman tree for each of the bolded words above ii. Encode

JAVA public class Pizza { private String Topping; private String Size; private double Price; public Pizza() { setTopping("cheese"); setSize("large"); setPrice(9.99); } public Pizza(String t, String s, double p) { setTopping(t); setSize(s); setPrice(p); } public String getTopping() { return Topping; } public void setTopping(String Topping) {

1. What happens if a Java interface specifies a particular method signature, and a class that implements the interface provides a different signature for that method? A.run time error B.exception is thrown C.syntax error D.unmatched arguments are null E.nothing Question 2 The following sequence of operations essentially leaves a stack unchanged.

Help with MATLAB questions 8:22
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I have to count the number of duplicate fractions from a text file. For example, if the text file contatins the fractions 6/3, 4/2, 2/1 and 5/7, the output should return 2/1 = 3 times, 5/7 = 1 time. I did write a program but it prints all the numbers the number of times it repeats. How do I fix it and make it only return once? CODE: public class

m1 public static double x( int n, int d) { double result = 100; for ( int i = 1; i < n; i++) { double pre = x (n - 1, d); result = pre + (d - Math. pow (pre, 3)) / (3 * Math. pow (pre, 2)); } return result; } public static int NCount( int d) { int n = 1; while ( true ) { if ( x (n, d) - x (n + 1, d) < 0.01) return n + 1; n++; } } public static

Compare Wi-Fi and high-speed cellular systems for accessing the Internet. What are the advantages and disadvantages of each?

Task 3: Understanding Association and describing Classes (8pt) Study the following UML model. Point Polygon Circle Point[] Vertices Point Center radius Style Color Is Filled LineStyle . 1. Assign an appropriate multiplicity to all the relationships --- both the source and the target ends --- in the above model. (2pt) 2. In this model, can a
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For each of the following tasks, write a single MATLAB command that will accomplish that goal. Place the text Where is mother's house into the variable Parts. Replace the word house in Parts with the word home and store the modified phrase in Drafts.Parts should remain unchanged. Combine the phrases in Parts and Drafts with the word and between

Draw the ER diagram to represent this scenario. The correct identification of entities and attributes. The correct identification of relationships between your entities. The identification of cardinality between entities. The NFL needs to develop a database to track its teams, players, and games. The NFL is comprised of a number of teams. For each

Consider the network shown below, and assume that each node initially knows the costs of to each of its neighbors. Consider the distance-vector algorithm and show the distance vector entries at node Y . Show your work. 3 2 2 4
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Which of the following is a common privilege elevation issue? answer There are too many user privileges. Caps Lock is on . File permissions are blocking access. There is an insufficient quota assignment.

1 . Calculate the memory address to store the value in x 9 . What addressing mode is used? sd x 9 , 8 0 ( x 2 2 ) # x 2 2 = 1 0 , 0 0 0 ten, base address of array A

[20] <2.1, 2.2, 2.3> A cache acts as a filter. For example, for every 1000 instructions of a program, an average of 20 memory accesses may exhibit low enough locality that they cannot be serviced by a 2 MB cache. The 2 MB cache is said to have an MPKI (misses per thousand instructions) of 20, and this will be largely true regardless of the smaller

If a string is stored at the memory address 8x20088800 and the string is "Cortex-M3", show the values in hex stored in the memory starting at 0x20088000. How many bytes does this string take in the memory? 9- 10- Identify key differences between Cortex-M3 and Cortex-M4 11- What does "ALIGN 8, 5" mean? Draw the data memory layout assuming that the
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C++ Write the definition for a class where you could be an object in the class. So your name would end up being a variable name if someone were to use this class. Your class must have at least 2 member variables and at least one member function with its corresponding definition. You don't need to actually write an executable program, just write a

I need a solution to this python question using object oriented programming - Thank you!! 1. Write a Python class to find validity of a string of parentheses, '(', '', 'f,V', '[' and ] These brackets must be close in the correct order, for example"(" and " but"[)", "()]" and "are invalid Test sample: are valid 1. 2. When he got home (it was
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This is a multi - part question. Once an answer is submitted, you will be unable to return to this part. Give a recursive definition of Ch 0 5 Sec 3 Ex 2 5 ( c ) - Recursive Definition the set of positive integers not divisible by 5 . Multiple Choice BASIS STEP: 1 in S RECURSIVE STEP: If x in S , then x 5 in S . BASIS STEP: 5 in S RECURSIVE STEP:

PLEASE I WANT TO CONVERT THIS MATLAB CODE TO R OR VBA % Script to generate matricies for the discrete approximation B to the % Black-Schole operator, in financial variables. The following variables % need to be defined: % boundary values 0

Please provide a non-deterministic FSM that accepts L = {w {a, b}* | there are no more than two (but there can be exactly two) as in a row and the number of bs is even}. Thus aabb is in, but baaaab and aba are not. Prove that your machine accepts exactly the language L. Now convert the non-deterministic machine to a deterministic one. Show your

(a) Let x = bP2 . . . bto be an integer writte" in binary (or example, when = 1011, we have .-1, b2-0, b3 = 1, b-i-1). Let y and n be integers. Perform the following procedure (a) Let x = bP2 . . . bto be an integer writte" in binary (or example, when = 1011, we have .-1, b2-0, b3 = 1, b-i-1). Let y and n be integers. Perform the following
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9. Suppose that round key for round 7 of AES key expansion algorithm is: 7321 B5 8D BA D2 31 2B F5 60 7F 8D 29 2F EA D2 Find first four bytes of the round key for round 8
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I Percentage of Users Giving Specific App User Rating Scores, By Month Which month had the highest number of 'Unsatisfied' users?
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(All Code in JAVA please) : Create a Point class. The class should contain 2 fields (integers called x and y, for the x and y coordinates, positive values) and the following methods: -Default and alternate constructors. -Two getters (accessors) to return the x and y coordinates -A method named set to set the coordinates to the parameters passed?

* Required Consider the following description and the Sequence Diagram below (Total 14 Points) The following objects and its description are identified during the use case report emergency ManageEmergency. This object creates an Incident Form when the Report Emergency object submits Emergency Report Object to it. This object is created by the
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help make this in html and css
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What will be the output of the following PHP code? f1 $n = array ("Sam", "jack", "3"); echo ($n[3]); on Select one: O a. sam O b. 0 O c. 3 O d. jack
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python Nested lists A list that contains lists is sometimes called nested. We define the nesting depth of a list as follows A list that does not contain any list has a nesting depth of zero A list that contains lists has a nesting depth equal to the maximum nesting depth of the lists it contains plus one. Note that "a list that contains lists" can
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Write a program that achieves the following requirements: 1) The program should prompt the user to enter: The number of students they wish to register. The student ID for each student. Student IDs are 5-digit integers, i.e. 45234. 2) Students should be stored in their own array. 3) The program then should prompt the user to enter: The number of

Use symbols to write the logical form of each argument. If the argument is valid, identify the rule of inference that guarantees its validity. Otherwise, state whether the converse or the inverse error is made. If this computer program is correct, then it produces the correct output when run with the test data my teacher gave me. This computer

Use matlab for these, please include the coding aspect as well. A simply supported beam of length L is subjected to a distributed load of w over a Sr Sa+b where a > 0 and a +b
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Which algorithm description is not a good candidate for using conditions or decisions? a . operating a furnace or air conditioner based on room temperature b . deciding who is eligible to vote based on age and citizenship c . assigning the same letter grade to all students quiz results d . offering free shipping based on the amount purchased or

Question 7 (10 points) Assume we want to design a sequential circuit that toggles its msb state variable (MN) on an input of x=1. Draw the state diagram and corresponding state table. For an input of x=0, the state should increment by 1. (Note, you do not need to know what type of flip flops are being used.)
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Question 2 Excel worksheet W 3 Q 2 contains a set of baseball statistics for different players and an indicator if they hit more than 2 2 home runs that season. Additionally, there are new 5 players listed with an unknown total of home runs. Perform k - Nearest Neighbor classification analysis on this data for all of the included data columns to

iven the following sort roid sortRec(vector & A, int n) { if(n==1) return; sortRec(A, n - 1); int i; int tmp = A[n - 1); i = n-1; while (>0 && A[i-1] >tmp) { A[] = A[i-1]; } A[i] = tmp: } Modify the function so the number of comparisons are counted Write a program that will Generate 3 vectors for an inputted size o One vector for the best case o
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A ( n ) network is often used so that remote users have a secure connection to an organization's network. a . biometric security b . terminal resource c . virtual private d . intrusion detection
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Question 26 What parameter passing mechanisms are supported in Scheme's higher-order functions? O Passing a value into a procedure O Passing the reference of a name into a procedure O Passing the address of a name into a procedure O Passing a procedure name into another procedure
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Suppose you have two algorithms, blarg and wibble, with time complexity (n log n) and (n) respectively. blarg modifies the input, while wibble just checks something about the input and returns True or False. You write a new algorithm: For i = 1 to n If wibble blarg End-if End-for Assume all calls to blarg and wibble occur on an input of size n.

language uses here is C not C++ Translate The amount of points you can obtain will be reduced by 20% of the total for every 5 incorrect submissions you make. Make sure that you run and check your code before you mark it We know the tr command allows you to replace or translate characters in of a stream. It takes in two arguments a set of
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Which of the following is an INVALID variable name? 2 a b c a b c xx a a
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Problem Statement:Being a project manager in your company, you have been consulted by your team of software developers who are having problems recognizing the best approach to complete a software development project that your company received this week ( list of projects are provided ) . As a software engineer, you are required to advise your

What are the components of the operator - machine system? Provide an example of a work activity using this system.
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what protocol is used to find the MAC address of a given IP address?

C++ please Read/run the following code and see whether you can interpret/understand the results. Demo how to use debugger to see the result. int a = 5; //assume that a is located at 1000. as pointer is located at 5000 int &b = a; a = 10; cout <

3.1Learning Objective: To write a recursive method. Instructions: See the instructions in 1.1 for what to submit for grading. This is not a complete program. Name your class Hw3_31 and save it in a file named Hw3_31.java. When you are done, copy Hw3_31.java to your asuriteid folder, i.e., to the same folder as the PDF. Problem: The sum of the

STM32F4DISCOVERY Board (look at resources about the board) 1. List at least 3 vendors (including Digi-Key) where the F4 Discovery board can be purchased, along with their part numbers and listed price. 2. Name two ways to power the F4 Discovery board. 3. What voltage is required for powering the F4 4. What are the two push buttons (identify by
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pls make the code simple and for python DNA Sequencing This assignment deals with DNA sequencing. A DNA sequence is a series of nucleotides: adenine (A). guanine (G), cytosine (C) and thymine (T). These sequences can be represented as strings of their first e.g., GCACTAG. Within these DNA sequences, researchers are interested in finding specific
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Write a program that draws a chess board as shown below. Assume that the size of the window is 400 by 400 pixels. Each square in the checkerboard is 50 by 50 pixels. The checkerboard contains 8 rows of squares and 8 columns. The squares are red and black. Here is a tricky way to determine whether a given square is red or black: If the row number
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Question 3 (15 pts) Consider the following values representing the age of group of 10 adults: 31, 35, 33, 31, 29, 34, 29, 30, 29, and 28. Without using any software, compute the mean and standard deviation for these data. Show all your work. I need help getting the standard deviation only.

What did you think of the Wurzler framework for risk management in INFOSEC? If you like it or you didnt, support your assertion with some reasons.

Largest independent set of a circuit of length n

prove that Every tournament has at least one Hamiltonian path

in c ppease 8. Given values of a and b in decimal form as follows: a = 2315, b = 137 please do the following: 8.1. Find binary representations of a, and b. 8.2. Find a b, and a & bin binary form. 8.3. Convert the values of ab, and a & b from binary to decimal form. You should give explanations and / or provide detailed computations in binary form
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HELP with mysql workbench a) Find the lowest, across all departments, of the per-department maximum salary computed by the preceding query. b)Find the name(s) of the department that has the most instructors. c)Find the unique names of the students that took all the classes taken by the student with id "1018" d)Find the titles of the 4-credit
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#3 only. Please help me! Thanks very much The text gives a recursive algorithm (Algorithm 2) for calculating a^n for real values of a and nonnegative values of n. This algorithm takes Theta(n) time. Devise a faster algorithm that calculates a^n/2 and then squares this value to get a^n. Note that you will need a to figure out how to deal with odd
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6. (15 points) Suppose that you are given a directed graph G = (V, E) along with weights on the edges (you can assume that they are all positive). You are also given a vertex s and a tree T connecting the graph G that is claimed to be the tree of shortest paths from s that you would get using Dijkstra's algorithm. Can you check that T is correct
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Consider the following sequential circuit. Determine its state table and state diagram. X 10 B Cp ol
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Below is the detailed pseudocode from the example, but without the calculation part. You need to fill in lines that tell in English what the calculation part of Pay.java is doing. Display How many hours did you work?. Input hours. Display How much are you paid per hour?. Input rate. Display the value in the pay variable. import java.util.Scanner;

Language: Scala create a Scala class named PhysicsVector with the following: A constructor that takes 3 variables of type Double named x, y, and z. A method named multiplyByConstant that takes a Double and returns Unit. This method multiplies x, y, and z by the input. Be sure to update the state variables of the object when this method is called.

USING Java Ex 1: Create a class and call it ArrayMethods, and create each one of the following methods and test it in the main. 1. Method equal(int a[ ], int b[ ]) which receives two integer arrays and returns true if they have the same elements in the same positions, otherwise it returns false; 2. Method sameElements(int a[ ],int b[ ]) which

In this practical you are implementing a research publication system, based on Java s LinkedList. Implement classes Review, Paper and PublicationSystem that provide the following functionality: Class Review: Stores id , reviewer, score ( number: 1 - 1 0 ) , confidence ( number: 1 - 5 ) and summary ( text ) Creates a human friendly representation

What is SmartArt is used for? Eliminating unwanted portions of an image Adding special effects to WordArt Creating a visual representation of information Applying borders and other formatting to pictures
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Suppose we are given a weighted connected undirected graph G where every vertex is colored either red or black, and we want to find a spanning tree where no edge is between two vertices of the same color (we call such an edge monochromatic). Describe an algorithm which either finds such a tree of least total weight or determines that none exists
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Write a Python program that takes a student's score as input and prints their corresponding grade based on the following grading scale: A: 9 0 - 1 0 0 B: 8 0 - 8 9 C: 7 0 - 7 9 D: 6 0 - 6 9 F: Below 6 0 Expected Output: Enter the student's score: 8 5 Grade:B Do not use loops or functions for this

How many cards from a deck of 5 2 do you have to draw to ensure you have 2 of the same number / face ? Please explain in the language of functions.
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please make the sample output identical to the one given in the question thank you! 1. Write a program for the following information: Year has 365 days. You create array for temperature of each day in a year. Assign random temp values range of 30-110. Using a function Search in the array do you have 100 degree and what days. Print how many days
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If Quicksort is executed on the array A = [ 1 0 , 2 3 , 5 , 1 8 , 1 2 , 2 0 , 1 3 , 1 5 ] , how many times will partition be called?

Suppose the caravan travels 1 7 5 km , beginning in front of one tollbooth, passing through a second tollbooth, and finishing just after a third tollbooth. What is the end - to - end delay

Observe the given diagram and identify the type of traffic. a. Duplex b. Simplex c. Egress d. Ingress 777 Traffic
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Methods and File Output and Exceptions Java Program Program Specifications: You to write a menu driven program. The program will use a switch statement. The cases will be as follows: Get the users first name and echo it back out 20 times. Get the Store users age and double it and display the age and the doubled age. Using the age from #2 output

Given the following tree, show the contents of the run-time stack when Insert(Tree, 14) is executed. In the Return column, use RO, R1, or R2. RO is the initial, non-recursive call; R1 is the call to Insert(tree> left); R2 is the call to Insert(tree->right). Use the notation 10 to represent the node whose value is 1 10 15 12 17 What is put on the
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Problem 2. (25 points) Suppose an algorithm is a secure pseudorandom generator (with bit strings as inputs and outputs). Let be the following algorithm. on input seed s, run G(s) to get w, then negate every bit of w to get w (i.e., for bit i, w-1w), and output the result. Prove that G is also a secure pseudorandom generator
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" 5 5 0 5 . 1 . 1 0 resolver.adr.recipientnot found; recipient user 1 @contoso.com not found by smtp address lookup." what are possible causes of the NDR ?

1. Consider the mode of operation in which block by block encryption is described by the following equation: XOR for i = 1, , k and is a secret Initialization Vector (IV) a. How would decryption under this mode of operation be accomplished? b. Assuming that an attacker can carry out a Man-in-the-Middle attack in which the attacker can intercept
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