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Databases Questions and Answers January 14, 2021

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Question 2: In each of the following, highlight the only correct response. (3 marks) Which of the following stack operations can yield a stack underflow? I. a) IsEmptyO. b) MakeEmptyO. c) PopO d) IsEmpty and MakeEmpty O e) MakeEmptyO and PopO. 2. Comparing the donamic aray based version of the Stack ADT to the linked structure based version of the
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Suppose a CA is maliciously corrupt. What bad things could the CA accomplish? Be as specific as possible

IN JAVA: Ceniralink| Central Mic x Take Test: Lab 11- Mreyx ? Secure https://black oardcmich.edu webapps assessment take launch sp?course assessment id= 225858 18 course id= 14088/ 1&content id-56364 / 18 step-null p Home| Central Michi Zy Central Michigan Ui Y Fantasy Reatll 21 C Home | Chogg.com QUESTION 1 Create a new class named Array2D and
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- This is a group assignment worth 20% of the final grade. - Read each section carefully and provide answers. - The following are the expected deliverables: - Deliverable 1 - Final Presentation (10\%): This is a technical presentation; Therefore, it must be professionally presented with adequate technical details. You may use a suitable
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help me Consider the Turing Machine T given below. (a) Convert T into a summary table. (6) (b) Which language is accepted by T ? (3) (c) Does the code word of T belong to ALAN? (Motivate your answer). (3)
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Build Hamming Error Correction Code Directions: Build an error correcting code for encoding a set of 50 distinct symbols (i.e., a, b, c, d. . .). How many bits do you need to be able to efficiently represent them for storage in a computer? The error correcting code should be able to fix one error (use the Hamming ECC described in the 2nd part of

An attacker is trying to compromise a wireless network that has been secured using WPA 2 - PSK and AES. She first tried using AirSnort to capture packets, but found that she couldn't break the encryption. As an alternative, she used software to configure her laptop to function as an access point. She configured the fake access point with the same

What is a policy that allows employees to use their personal mobile devices and computers to access enterprise data and applications? cyberbullying fair information practices click - fraud bring your own device
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Write a C# GUI application named IS318_W3A1_ that meets the following requirements: a. Program must use at least three different types of controls b. Program must demonstrate the use of event handling for implementation of program logic c. Program must demonstrate data transfer between user controls and data structures using data binding or direct

The equation rs + 122.3-130 = 0 is known to have a real root near x = 2. Three iterative schemes are proposed to find this root: 5 (i) rk +1 = 1304"-12x-i (ii) xk (ili) Tk +,-/130/( + 12) (a) Which of these schemes could be used to solve this equation, and why? (b) Which scheme should be used, and why? (c) Derive an even better scheme, and explain
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The problem Write a program that inputs two integers n and k, where n>=k. Your program should calculate the number of different ways that k bishops could be placed on an nXn chessboard. Structure your program using the backtracking scheme that we have used for the eight queens problem. What needs to be modified is the OK function. Input Your main
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Let's dig into the 2017 breach of Equifax (Links to an external site.). How did it happen? How could it been prevented? What data was compromised? Did if affect you? Could it affect you in the future? Who was responsible (both internally and externally)? How did Equifax respond?

Derive the perceptron training rule and gradient descent training rule for a single unit with output , where = 0 + 1 1 + 1 1 2 + + + n 2 . What are the advantages of using gradient descent training rule for training neural networks over the perceptron training rule?

For this assignment you will write several classes to simulate an online Market place. Make sure to follow the instructions below very closely. Note that in addition to the required methods, you are free to add as many other private methods as you want (no other additional method is allowed) [10 points] Write an abstract class MarketProduct which
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% Exercise 9 (Spatial resolution and interpolation methods) Repeat Ex2 using nearest neighbor, bilinear interpolation, and bicubic interpolation methods. Show the results and the original side by side. % Exercise 10 (Multiplication for masking) Read the grayscale image, cameraman.tif. Generate a new image of the same size in which a rectangular
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In a C + + program, statements that begin with the symbol # are called directives.
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Question 2: Reduce Write the recursive version of the functionreduce which takes reducer - a two-argument function that reduces elements to a single value s - a sequence of values base the starting value in the reduction. This is usually the identity of the reducer If you're feeling stuck, think about the parameters of reduce from operator import
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Remaining time: 96:05 Question 2 Imagine that you work in a courier company and you have six packages you need to deliver. You don't know the weights of packages and you are too tired to deliver them all, you want to postpone four of them The weight of packages are giver like following: 625, 12810,9) Design and implement a way of finding the
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in c please A teacher gave a quiz to their 10 students and now needs to determine the class average. Write a program that lets the user enter 10 scores, using an array. Assume the scores are whole numbers Then, complete the function called ComputeAverage such that it caiculates and returns the average (when printing, use 2 decimal places), Ensure
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example of a gradient descent

The table below has either the full IPv6 addresses on the left or the abbreviation on the right. Fill in the missing values. Table 1 Table with full IPv6 and Abbreviated IPv6 addresses + Full IPv6 Address Abbreviation 2340:0000:0010:0100:1000:ABCD:0101:1010 30AO:ABCD:EF12:3456:ABC:BOBO:9999:9009 2222:3333:4444:5555:0000:0000:6060:0707 3210::
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The Yankee Group reports that 6 6 percent of companies determine Web site success solely by measuring the amount of traffic. Unfortunately, large amounts of Web site traffic do not necessarily indicate large sales. Many Web sites with lots of traffic have minimal sales. The best way to measure a Web site s success is to measure such things as the

List all possible outputs of the following program: void doit(int n) { if (fork() > 0) { printf("%d ", n); } else { printf("%d\', n + 1); } return; } int main() { int pid; pid = fork(); waitpid(-1, 0, 0); doit(!pid); exit(0); }
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X754: Null Pointer Exception Practice 3 For the question below, assume the following implementation of a Person class: 1 public class Person { 2 2 private int age; 3 private String name; private String grade; 7 8 public Person(int a, String n, String gr) { age = a; namen; ; grade = gr; } 9 10 11 12 13 public int getAge() { return age; ; } 14 15 16
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Question 3 Implement an recursive algorithm that finds the smallest element in an array of a numbers. If you do not use recursion you will not get any credits Solve a recurrence relation for the number of key comparissons made by your algorithm Find the Big-O complexity. (Show clearly how you have found the complexity to get credits: Your answer
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Design a Management system, then answer the following questions . ? What are the entities in the system ? What are the attributes for each entity ? What are the relationships ? Examples of queries ? Examples of updates

c++ The concepts you need are simple input ( cin ) and output ( cout ), setting an output field width using setw(), using int variables, incrementing a variable, the assignment statement ( = ), how to compare variable values, repeating a group of statements using a for or a while loop, choosing between alternatives using an if-else statement.
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What do routers do ? Group of answer choices Allow computers to talk to each other Create algorithms Conduct an internet search Direct your packets around the internet

3. Use EBNF notation to describe the syntax of the following language constructs. (a) A Java return statement, which could be either a return keyword followed by a semicolon, or a return keyword followed an expression then followed by a semicolon. Assume the grammar for expression has been defined as expr-> (b) A Python return statement, either a
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show the entire procedure please Find a minimal dfa's for the following language: L={anb:n0}{bna:n1} Prove that the result is minimal
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ASSEMBLY LANGUAGE 35) If the content of the EBX register is 22 33 44 55 what will be the content of this register after executing the following instruction: push EBX A) 55 44 33 22 B) 00 55 44 33 C) 22 33 44 55 D) none of them 36) If the content of the ESP register is 00 63 FB 60, what will be the content of this register after executing the

(b) Let A and B be two sets such that A=B=n and AB=1. Find i. AB ii. P(AB) where n is a positive integer and P(S) represents the power set of a set S. Show your working
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write an arduino code with the schematics connection diagram for Arduino uno R3 which uses the DHT11 temperature and humidity sensor to control the motor fan speed using a micro servo 9G and also control LEDs and a passive buzzer. It should display the temperature and humidity values on a LCD display. If the temperature is above 20 degrees celcius

Newsletters like Natural Hazards Observer and Disaster Research are both published by the Disaster Research Center ( DRC ) . These newsletters provide reader - friendly information about developments in the field of disaster science True False
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Write a for loop that will iterate from 0 to 10. For each iteration of the for loop, it will multiply the number by 9 and log the result (e.g. "2 * 9 = 18") Bonus: Use a nested for loop to show the tables for every multiplier from 1 to 10 (100 results total). Write the above code in javascript in the html code

I need the code in Java. please answer all parts and questions. Thanks in advance! PART 1 Type the answers of following questions in a word document named SP2018LAB7 PART1 vourLastName.docx Look at the following array definition int [ ] values 2, 5, 6, 4, 71; 1. What is the output of the following lines? System.out.println(values[2]); x values1] 2
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c++ The data.txt text file contains a number on the first line, n, followed by n lines with three nan each line as shown below: Linda Adam do Mina Bobelive John Xavier Dana Tim Emily Katie Write a program to do the following: Open the file Read the number on the first line into variablen If nis Oor negative o display an error message of your
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C++ programming C++ programming C++ programming Instruction 1, Homework-6 is going to be done based on a previous assignment(homework 5), and I uploaded the assignment and its answer. 2, Follow the previous assignment(homework 5) and its answer and the instructions on homework6 --> to do the question on the homework-6. 3, Feel free to make any
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What would be output by the following statements? x = 6 if x > 0: print('First test is true') if x % 2 0: print('second test is true') Second test is true First test is true Second test is true First test is true No output
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(a) Find out the total numbers of clock cycles used for each code sequence. (b) Find out the average CPI for each code sequence. (c) Find out the execution time considering that the CPU is a 400 MHz machine. (Assume all the CPU time is dedicated to executing these instructions) Which code will give better performance? A designer has to optimize
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Boolean expression for the two - input parity circuit: Circuit diagram for the two - input parity circuit:
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Please answer all !! Class work: Chapter 7 1. Suppose that the following instructions are found at the given locations in memory 20 LDA 50 21 ADD 51 50 724 51 006 a. Show the contents of IR, the PC, The MAR, the MDR and A at the conclusion of instruction 20 b. Show the contents of each register as each step of the fetch-execute cycle for
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Kyle is looking for healthy snack options for his daughter with Type 1 diabetes. He conducts a Google search for Diabetes safe snacks and sees that Good Measure products were recommended by a trusted nutrition expert. What type of search has he conducted? Alternative search Internal search External search Data search

Match the term with its description. Outer join Left join Returns all records from the first table, and the matched records from the second table Returns records that have matching values in both tables Returns all records from the second table, and the matched records from the first table
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write a program in c++ .. if n points are given. Implement an O(n)-time algorithm to find out if the first point is a vertex of the convex hull of the points. The algorithm must verify if the dual of the first point is on the upper or lower envelopes in the dual plane. The input starts with the number of points and then their coordinates. If the

(3 points) Consider a problem with four variables, {A,B,C,D}. Each variable has domain {1,2,3}. The constraints on the problem are that A > B, B < C, A = D, C != D. Perform variable elimination to remove variable B. Consider a problem with four variables, {A,B,C,D}, each with domain {1,2,3,4}. The constraints are: |A-B| >= 1 B > C C != A |A-D| D

Here we will create a method to find the smallest value in an array: We provided the code for you to start, Main is done, you need to create minFinder function, o First do it with loops Create another function minFinder_recursive, and use recursive function to create the code to find the min value (you may add more functions/methods as needed)

9. One can easily design a recursive method that calculates x raised to the power n. For instance, method pow(int x, int n) below will calculate 2? by calling pow(2.7), which returns 128. public static int pow(int x, int n) { if(n
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Part II: Sleeping In (20 points) Karen loves palindromes, and she believes that it is good luck to wake up when the time is a palindrome. Given the current time, the function sleep minutes ) computes and returns the number of minutes she should sleep such that, when she wakes up, the time is a palindrome. Remember that a palindrome is a string
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USING MATLAB Define a function in a file named average.m that accepts an input vector, calculates the average of the values, and returns a single result. Test the function using 10 random numbers between 20 and 40 6
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In JAVA please, thank you! Firtree Secondary is launching a new "Bring Your Own Device" initiative (or BYOD) in which every student is expected to bring their own electronic device to school for educational purposes. The administration wants to make sure that every device is accounted for in order to do this, they are willing to create a new
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Design a direct mapping and 2 way set associative mapping structure with 1 2 8 KB cache and 1 2 8 MB memory size.Write the address limits of main memory, line numbers of cache, set numbers and number of bits. Explain the structureand write the advantages, drawback of the method

Please answer the question ( network ) PROBLEM 1 Give the description (i.e., definition) of the following terminologies: a) layering, b) encapsulation, c) protocol stack. +Mention the advantages and disadvantages of both the circuit switching and packet switching + List the services that are offered by a link layer protocol
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we will modify the Elgamal Digital signature scheme. For convenience, here is the signature generation flow (All variables have their usual meaning unless otherwise stated): Signature parameter is modified as = 1 ( ) ( 1) . For signature verification if we use = . What is the value of in terms of r ? Is the security of the digital signature
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please help with question 5. its a php script Question 5 (6 marks) Write a PHP script that accepts HTTP GET and POST requests. When sent a GET request. your script should generate HTML markup containing a simple form with a text input box like that shown below. XML Page 3 of 6 The user is allowed to enter simple XML into the text box to perform an
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What will the following Code segment print on the screen? String LName = "FamilyName"; String FName = "GivenName"; System.out.print("Dear Mr " + LName); System.out.print(" We would like to call you " + FName);

Describe the type ( s ) of relationship ( s ) between EMPLOYEE and STORE. ( Hint: Each store employs many employees, one of whom manages the store. )

The logical view Select one: a . shows how data are organized and structured on the storage media. b . presents an entry screen to the user. c . allows the creation of supplementary reports. d . presents data as they would be perceived by end users.

C++ Virtual Class / Pointers Modify the program below to fit the requirements. Rating best/helpful solution a thumbs up! The code is posted below. Requirements: The Program : Description: A program that can handle car sales and manage revenue. It can add/sell cars. It can set and get values that are private members through functions. #include
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Which keyword is used to define methods in Python? function any of the mentioned def method
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The pro a nd con for recursion and for tail recursion

Use an IP calculator, such as the one available at http:lliodies.delipcalc to complete the following exercises. Note: There are many online IP calculators. Some good, some bad. YMMV The one at the link above has been around a long time and has the functionality needed to complete the problems included below. If you use a different one, you are on
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Which literal represents the character 1 ?

Q.No.8. (Marks: 10) Write (JOGL) method to draw octahedral dice. Octahedral dice has eight faces, six vertices and twelve edges. Each face has unique number etched in range of 1 to 8. Note: Each face must have surface, so select any OpenGL primitive which can generate surface shape for the required shape. Vertices and shape are shown in Figure 5
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HTML Discussion When it comes to CSS, there are a number of rules defined by the W3C (World Wide Web Consortium), but there are also best practices, as established by seasoned web programmers. Research and describe at least three CSS best practices and provide the URL(s) you've used in your research. In your response post, search the Internet and

Separate the test and training set. Design a 2 and 3 layer network. Change the number of neurons in the hidden layers. Interpret how the system is affected when the number of layers changes (2-3), the learning factor changes, the number of iterations changes, and the number of neurons changes. Interpret standard backprobagation and try momentum

Class Activity 1 - Primitive Dance 5 pts Hi Class! This activity involves creating a group movement sequence utilizing the primitive dance categories of life - span celebrations, war and weapon dances, medicine and healing dances, supernatural and religious dances. Utilize elements of dance design including formations in re - creating a primitive
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this is a subjective question, hence you have to write your answer in the Text-Field given below. a) Consider a banking application that requires to process the data pertaining to the credit card line of business and housing loans data. The bank requires the processing application to schedule the payments of the loans, processing and repayment
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CS 210: Programming Fundamentals College Football Overtime Simulator Due Wednesday, March 3 at 6:00pm 38 points In this example, you will simulate a single possession of a college football overtime. In overtime, you take possession of the ball at the 25 yard line, and you try to score. In our simulation, we will assume that your kicker is awful,
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The Fibonacci sequence is given by 1, 1, 2, 3, 5, 8, 13, 21, . The first two numbers are 1, and subsequent numbers are the sum of the previous two. If Fib(k) represents the kth number in the sequence, then we have Fib(1) = Fib(2) = 1, and Fib(k) = Fib(k-1) + Fib(k-2) for k > 2. a) Consider the Fib and main functions below. int Fib(int k) { if (k

For your assignment you are to develop a java class named MatchBox. Your class MatchBox must extend the class Box and in addition to the attributes width, height, and depth that are defined in the class Box, MatchBox must add a new attribute weight. The eetvolume method must both report the values of width, height, depth, and weight, but must also
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C++: Objectives: Use loops. Read from a file. Calculate the mean and find the maximum value in a file. Tasks: 1. Read precipitation measured between 1/1/2018 and 2/21/2018 at the two NWS instruments nearest Mount Laurel, NJ. The values are contained in the file precip.txt. Each file line consists of a date and a precipitation value, e.g. 2/11/2018

Problem 2: Consider the graph shown below. The numbers on the edges are the edge costs and the numbers next to the states are heuristic estimates. Let S be the start state and G be the goal state. Assume 4 2 0 G H 1 that the nodes are expanded in alphabetical order when no other order is specified by the search. Please simulate depth first search
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How would I make a decision table for an apartment management system. I can not figure out what possible items to put in it. if you answer the question please do a table with the data. Dont tell me how to do the table I already know how to do that I just do not know what to put in the table my mind is blank.

1- Water is heated to for . How much would be the temperature if = . and the surrounding temperature is ? 2- write matlab code by forward differentiation method 3-Reference the true value of the temperature the analyically solution 4- plot the analytical solution , numerical solution ( N = 10 ) , and ( N = 50 ) numerical solution in the same

couse name : organization leadership and decision making ques ; Review chapter 20 in the course text. In your own words, discuss the various ways to improve system development productivity.

For c++: Suppose a string is declared as string s = "abcd". What is s.length()? 4 0 2 3 1

Given the following stream of references to pages by an application, calculate the number of page faults the application would cause. Assume that 3 physical pages ( frames ) are available and that they all are initially free. Reference Stream: 3 2 1 0 3 2 4 3 2 1 4 2 3 2 Using FIFO Page Replacement. a . 8 b . 7 c . 1 0 d . 9 e . 1 1
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Which of the following calculates where a particular value falls relative to all the other values?

QUESTION 1 3 Which protocol replaces the Secure Sockets Layer ( SSL ) protocol on modern networks? DVI HTTPS TLS SFTP

Which keyword is used in the UPDATE statement to specify the corrected field and set the new value?

using matlab !! 9. Find the integral 2x4-3x+2 dx 0
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When describing the relationship between TEACHER and the classes they teach, which line, from the choices below, BEST describes how these entities are related to one another? A B C D E F

please help me with this in python You need to write an Employee class that maintains the information about the university employees. You need to write your code in the given Employee class. It must contain the following: 1. There will be one static class variables emID (int). emID will be used to maintain the incremental employee id (initialized
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Experts answer please. just answer two questions Please list out the SQL queries to perform the following. (for each question, please list the question, the SQL query together with screenshot ( first 5 rows , or simply result in text mode) Write a query that finds, for each customer X, another customer Y who has rented at least one movie in common
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Modify the code in python thank you. # Activity 2 . 2 #This program determines whether a bank customer # qualifies for a loan. MIN _ SALARY = 3 0 0 0 0 . 0 # The minimum annual salary MIN _ YEARS = 2 , # The minimum years on the job CREDIT _ SCORE = 6 0 0 # Get the customer's annual salary. salary = float ( input ( ' Enter your annual salary: ' )
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Simplify the following expressions using DeMorgans Theorem and Boolean Algebra. Implement the expression with nand gates only

In Linux terminal please. CSCI 38000-Linux System.Administration Spring 2018 Use the following long listing to answer questions 22-25. Assume user zappaf is a nm the group cool and marst is not part of the group cool. -rwxr-r. 1 foxr foxr 183 Jul 23 2014 filel.txt -rw-rw-rw-.1 foxr foxr 577 Jul 28 2014 file2.txt -rwxrw.1 foxr cool 4183 Aug 5 2014
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COMPILER DESIGN GIVE ANSWER ACCORDING TO QUESTION Construct L L ( 1 ) parsing table of the given grammar A % B # | k | B A C C # A C | | Draw LL ( 1 ) parsing table of the given grammar ? S W W Z x Y x Y Y c lon Z a d x x b lon
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Implement a function anagrams() that computes anagrams of a given word. An anagram of word A is word B that can be formed by rearranging the letters of A. For example, the word top is an anagram of the word pot. Your function will take as input the name of a file of words and as well as a word, and print all the words in the file that are anagrams

1. This is an example of a database. Come up with your own database. This appendix describes the users' requirements specification for the Branch and Staff user views of the DreamHome views, the "Data Requirements" section describes the data used and the "Data Transactions" section provides examples of how the data is used database system. For
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1/Construct a regular expression defining each of the following languages: 1) LI = (a c ab cb abb cbb abbb cbbb abbbb cbbbb...) 2) L2 = {aaa aab aba abb baa bab bba bbb
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Using the data below, what is the 2 period moving average forecast for the 3rd week? Week Actuals/Time Series Value 1 20.00 2 19.00 3 10.00 15.00 Submit Answer formar: Number: Round fo. 1 decimal places Using the data below, what is the value of the absolute percent error for week 3? Week Time Series Value Forecast 1 7 6.00 2 5 6.00 3 4 5.00 4 3
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public static void main(String[] args) { Scanner keybd = new Scanner(System.in); String filepath; System.out.print("Please enter transactions file name: "); filepath = keybd.nextLine().trim(); Processing sp = new Processing(filepath); try { sp.loadFile(); sp.processTransactions(); } catch (FileNotFoundException e) { e.printStackTrace();

im just trying to find the square root and i jeep getting this error. here is my code A homework1.c:25:13: warning: format specifies type 'float *' but the argument has type 'double [-Wformat] scanf("%1f",&x); %11f homework1.c:71:2: error: use of undeclared identifier 'square_root' square_root = sqrt(x); homework1.c:72:37: error: use of undeclared
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23: State whether the following statements are True or False: (5). i. Advertising Revenue Model is based on pay-for-performance concept. ii. Business model is developed keeping in mind the revenue earned over the previous years. iii. A revenue model is a part of the business model that essentially explains different mechanisms of income generation
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Fill in the formatting strings for producing the display in the third column Number Format Display 125 125 125 125 - 125 -125 -125 -125 Activity 2: Slide 6 (3 mins) Fill in the formatting strings for producing the display in the third column Format Number 3.14159 Display 3.14 3.14159 3.141 -0.003 -0.003000 -0.003 -0.003 3.14159 3.1 -0.006 -0.01
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If a host IP address is 172.16.112.1/25, what would be the valid subnet address of the hosts connected to this port
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(50 points) Answer the following questions. There is no need to provide intermediate steps. 1.1. What is the name of the protocol that maps IP addresses to Ethernet addresses? 1.2. What is the name of the protocol that maps Ethernet addresses to IP addresses? 1.3. Assuming odd parity is used, and the frame to be transmitted is 1001010, what is the

Which three of the following devices are computers?

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