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Databases Questions and Answers February 22, 2021

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What is the name used for the data unit that is encapsulated within a data link frame?
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What is the name of the method that is used to avoid overfitting in training a classifier? Group of answer choices Regularization Stochastic Gradient Descent learning

Given list: ) Which list elements will be compared to key: 3 9 using binary search? ( comma between values ) 3 9 using linear search? 2 using binary search? 2 using linear search? Which search method is faster to find 3 9 ? Which search method is faster to find 2 ?
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Let's break down each of the pieces of the main ( ) method declaration: The main ( ) method is public, meaning it is accessible everywhere The main ( ) method is static, meaning it belongs to the class itself rather than to any instance of the class The main ( ) method has a void return type, meaning it doesn't return anything ( NEW ! ) The main (

D Question 11 1 pts What is the ordering obtained by the Depth First Search Algorithm when solving the topological sorting problem in the dag below? E SUA QUE A E->USA U-E-> Next Given the algorithm below, how many times the basic operation is executed? ALGORITHM Secret(arri, arra, Sire) W Input: Two arrays of non-negative integer numbers, and
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what is network address ip address for the following local area networks using the address 2 2 5 . 2 0 3 . 4 8 . 0 / 2 1 ?

llg. 12.3 compsalesbarpie.m % Reads sales figure fid = fopen ( ' compsales. dat ' ) ; if fid =--1 s and plots as a bar chart and a pie chart disp ('File open not successful') else % U se textscan to read the numbers and division codes % into separate elements in a cell array filecell = text scan (fid, '%f %s') ; % plot the bar chart with the
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The following code is in the C programming language. Sort the airports alphabetically by the string named LocID. Some airports LocID begin with numerical digits, there are also a few that contain two trailing digits, these airport LocIDs can be discarded. You may also discard any airport that does not contain three or four letters. The following
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Design a program and Pseudocode for the following Prog Definition. Late Assignments will not be accepted or marked! Visual Representation of Program: Merge two arrays of same size sorted in ascending order a [ 4 ] - I - D array with 4 elements b [ 4 ] - I - D array with 4 elements merge and sort in ascending order Q w 3 resaurce,com
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2 . T F Snort requires the use of at least one preprocessor to be able to analyze patterns in network traffic spanning multiple packets. Answer: _ _ _ _ _

. username@domain.suffix You are to write a python FUNCTION that will filter email based on username and domain. The FUNCTION should take one argument which you can assume to be a string like student@tamu.edu Your program should do the following: Determine if domain has a .edu suffix If it is from a tu (@utexas.edu), it should only display "Saw
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This type of mouse emits and senses light to detect mouse movement. Multiple Choice Mechanical Optical Cordless Wireless
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A new order filling system needs to be installed as soon as possible. The table on the next page lists that projects activities and their predecessors. Also provided is the cost information to reduce the standard activity times. (problem 7-32 in the textbook) (a) Construct a project network for this problem. Determine the EST, EFT, LST, LFT, and
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This is a MATLAB question based on Computational Methods and Applications. Please show clear code with clear explanation. Thanks. Will up vote. Down below is the given HW7p1.m Same code : ----------------------------------------------- close all; clear; clc; set(groot,'defaultAxesTickLabelInterpreter','latex');
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language is c++ ****below is the test program to test the class****** #include #include #include #include #include #include // uncomment the following lines to test your project #define testInstruct #define testStudent #define testJob #include "Instructor.hpp" #include "Student.hpp" using std::string, std::cout, std::endl, std::setw; void
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06) Suppose that int1 and int2 are int variables, dec is a double variable, and ch is a char variable. Suppose the input statement is: cin >> inti >> ch >> int2 >> What values, if any, are stored in int1, int2, dec, and ch if the input is: 13 24 16.2 45 $36 9.2 16 #.75 72
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Select all the statements below which are true: Any CS language is RE. There are languages which are not accepted by TMs. The language L = {a^nb^nC^n: n greatherthanorequalto 1} is CF. Any REC language is accepted by some Decider (a TM that halts for every input). The language L = {ww^R: w elementof {a, b}* } is DCF, CF, CS, REC, and RE. The
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Write code using the Microsoft Assembly Language MASM. Your program must be properly Include comment lines at the end of each line. A. Integer Expression Calculation Write a program that calculate the following expression, using registers: A (A +B) - (C - D) Assign integer values to the EAX, EBX, ECX, EDX registers. Provide a screenshot or copy
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A bar plot is appropriate for which of the following data. ( Mark all that apply ) Favorite social media platform ( TikTok , Twitter, Instagram, etc. ) Type of computer ( PC , Mac, Chromebook ) Cost of a boba drink Weight Eye color Distance from home to Costco

You plan to evaluate the security posture of your Azure VM deployments by using the Microsoft cloud security benchmark ( MCSB ) . You need to identify the Microsoft Defender for Cloud option for the evaluation. The solution must minimize costs. What Microsoft Defender for Cloud option should you use? Select only one answer. Defender CSPM Defender

Consider an Operating System that supports a virtual address space, for any process, of 5 1 2 Pages, where each Page holds 4 0 9 6 bytes. How many bits are there in a virtual address?

2 8 of 2 7 1 Figure P 3 . 1 c 3 . 2 A conical tank is shown in - 1 g u r e P 3 . 2 . n k i s f i l l e d w i t h w a t e r . U s i n g M A T L A B , d e t e r m i n e : 2 a . the volume of water in the tank b . the weight of the water in the tank.
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A. Action steps include:\ Research the opportunity in the segment Select appropriate product attributes - P Display the R&D worksheet. Enter the product attributes Note the R&D completion date Display the Production worksheet Order capacity and automation (optiona Display the Finance worksheet Fund the plant with stock and bond isst Save the
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Which pair shows the correct classification of the given data type? tuple, mutable sequence type string, immutable sequence type int, numeric floating - point type dict, immutable sequence type
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Exerdse 1. Write a regex to match any IP address. Update your regex to match only valid IP address. A valid IP address must be in the form of YOXWXxOx_xx, where yox is a number from 0-255. Exerdse 2. Write a search and replace regular expression to match only people with the name and sumame starting with the same letter, then rearrange these to
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Database design assignment For this assignment, you have to use a software tool to draw the ERM of the following problem.: The following links provide some ER drawing tools; hence you may investigate them and pick one of them that works for you. http://dia-installer.de/shapes/ER/index.html.en

Please write it in C#. Thank you so much Instructions 1. Create a Loan class . The Loan class should have fields for o Loan Amount o Years o Annual Interest Rate . The constructor for the class should set the interest rate to 5.0 . The Loan class should have a method that returns the Monthly Payment Monthly Payment: You will need the month
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QUESTION: Modify the program so that the user is asked at the end if they want to play again. Repeat until they say "no" or "NO" Please see java code of what i have completed. Please show results once program successfully runs. Thank you import java.util.Random; import java.util.Scanner; public class looping { /** * This is a method header. It is

How many times will the following loop repeat? for ( int i = 1 ; i < 1 0 ; i + + ) { MessageBox.Show ( i . ToString ( ) ) } Question 1 0 Answer a . 1 1 b . 9 c . 0 d . 1 0

In a problem where costs are non - negative, h ( n ) = 0 is an admissible heuristic. Group of answer choices

HFitness is a Gym facility that is working on upgrading its IT systems to support its operations. The proposed system will allow customers to register with the gym for an annual membership. There are three types of membership the company offers (1) a Basic membership for $100 a month, (2) Gold membership for $115 a month, and (3) Platinum

Digitally signing a document guarantees _ _ _ _ _ _ _ _ due to its use of hashing.

Provide the correct and plagiarism free solution What is the topology of Chord DHT? What is the consistent hashing of Chord? Chord search algorithm and performance Chord node joins and stabilisation Chord node failure
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Part 3 - Program Hash - Injective Hash Function Write a program that implements a one-to-one relationship hash function using an ADT List. Implement using an array, personArray. Write the one-to-one function that hashes the ' name ' into an unique array index. (Hint: # chars in a name ?) For each person, using their unique one-to-one

Study the following autonomous systems networks in Figure 4 . Answer the following questions: Figura 4 : Use for Q 4 . a . Write eBGP messages exchanged between all Autonomous systems advertising network x ? b . What is the NEXT _ HOP value attached to each advertisement message?
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IT infrastructures that can be accessed only by a single entity or by an exclusive group of related entities are called Public clouds Private clouds Hybrid clouds
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Q.No.2. (Marks 10) Implement following truth table on a PROM. Decide the order of PROM by yourself. Also provide the block diagram of the corresponding PROM. B F1 F2 F3 0 0 0 1 0 0 0 0 1 1 1 0 0 1 0 1 0 1 0 1 1 O 1 1 1 0 0 0 1 0 1 0 1 0 0 1 1 1 0 1 0 1 1 1 1 0 1 0
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Using Linux Command Terminal Scenario Your company recently changed directions and decided to terminate three products. All the necessary files have been backed up, archived, and deleted. Now you need to clean up your system by removing the directories that were used to hold the product files. In this lab, your task is to complete the following:
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THIS NEEDS TO BE ANSWERED IN MATLAB CODING ONLY! See problems under image below.... I KNOW HOW TO CALCULATE ALL OF THESE PROBLEMS ALREADY I DON'T KNOW HOW TO CODE. Please read problem below carefully! This needs to be completed using "ezplot" the code I put in is x = -5:.1:5 y = 2*(x.^2) - 8*x + 7 p19 = plot(x,y) print p19 this is wrong Math 206
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According to our lecture, which client operating system can also perorm some network server functions? Group of answer choices Unix Windows 1 1 Linux macOS

17. Rock, Paper, Scissors Game Write a program that lets the user play the game of Rock, Paper, Scissors a puter. The program should work as follows. 1. Wh gainst the com- en the program begins, a random number in the range of 1 through 3 is generated. If ber is 2, then the com- puter has chosen paper. If the number is 3, then the computer has
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Suppose that you have an algorithm X that runs in (n?) time. In terms of asymptotic running time, which of the following algorithms would be less efficient than algorithm X? Check all that apply. an algorithm that solves problems of size n by recursively solving 2 problems of size n/2 and then combining the solutions in linear (O(n)) time an
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Can binary search be used in a unsorted array? Group of answer choices True False

Create a class with the following details: Class name: BookDetails variables: bookId, bookName, price,netPrice methods: getData (), calculateTax () and showData () getData method allows to read input from the user. calculateTax () should calculate the tax and netprice on the book price. Netprice=price+tax NOTE: Tax is 0.5 rials Create a method

Question 14 0 / 1 pts Given the following code, how many times will the inner loop body execute? int x = 1; int y = 0; while (x
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Which type of broadband Internet access involves using cellular data networks? a . dial - up b . mobile c . portable d . fixed

c program For a given 2D array Ary, complete the following code to calculate and print the average of odd numbers of Ary. int Arulalla)-{{3.4.5.1). (4.2.4.3.24, 2, 4, 3), (7,9,4,3} ); int sum, count. 1.): of
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In the context of a Data Warehouse, which of the following is a type of schema? A . Star B . Snowllakes C . Structured D . Both A and B
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Python function Create a function called encoder which expects two arguments. The first argument is a string representing a message to be translated into a coded message. The second argument is a list of lists serving as the key to be used to convert the original string to its coded equivalent. Each two-element list in the key represents a
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In Illustration 1 , Line 5 is has parenthesis with the word 'void' inside. What does the tern 'void' mean? the program is empty the argument was defined somewhere else no calling arguments used no debugger is used in this program
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Which of the following are characteristics of Qualitative data? Textual and visual Numerical The goal is to increase understanding
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Also, proof of correctness. Problem 3. You are given a collection of n integers a1,..., An with positive weights W1, ..., Wn. For any number ai, we define the bias of a; as: bias(ai) = w; wklj j:ajai k:akai i.e., the absolute value of the difference between the weights of elements smaller than di and the remaining ones. Design and analyze an
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An ACT test-prep center claims that their program increases students' scores by more than 2.5. points after taking their class. You collect data on four students before and after the program and find the following results: Garret Ken Kama Roman Test Score Before 15 30 22 15 After 30 34 28 17 The calculated Standard Deviation of the Differences or
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Packet switching allows a telephone user to dial a number to establish and maintain a private telephone connection. Group of answer choices True False

Describe how to perform the operation removeAllElements ( k ) in an ordered dictionary implemented with a binary search tree T , and show that this method runs in time O ( h + s ) , where h is the height of T and s is the size of the iterator returned.

Given S = { ( x i , y i ) } n i = 1 ( R d \ times { 0 , 1 } ) n , show that there exists a polynomial r S ( x ) : R d - > R such that h OF ( x ) = 1 if and only if r S ( x ) > = 0 . That is , even if you restrict yourself to learning only ( thresholded ) polynomials that describe the training data, you may end up overfitting. The other message of

Moving to another question will save this response. estion 9 Select the correct way to take the integer variable age as an input given by the user: age=input("Enter here your age as an integer: ")) age = int(input("Enter here your age: ")) age = str(input("Enter here your age: ")) age = float(input("Enter here your age: ")) hp
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Which Control Panel utility is used to configure help for users who need special assistance to use the device? Administrative Tools Ease of Access File Explorer Options System

Ransomware has the power to encrypt or otherwise restrict access to important files and systems, allowing hackers to demand large ransoms for their release. Permitting other people to use or download files to your computer could make you more vulnerable to encountering ransomware. If syncing your personal files at home doesn't cause your computer

The graphic display of an aperiodic sound is called a spectral envelope. True False
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was a fossil discovery in Great Britain that was later exposed as a hoax. One of the possible individuals responsible for this hoax was Sir Arthur Conan Doyle, who wrote the Sherlock Holmes novels. Laeotli Dmanisi Boxgrove Piltdown
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n this assignment you will write a simple while loop that simulates the rolling of 4 dice. The program will continue to roll the dice until all dice have the same value, that is , 4 of a kind occurs. Process the information from the rolls as specified in the specifications below.

Target is a gigantic company with 1 , 9 2 6 stores and 4 6 distribution centers. Information systems used at Target include: let people buy things, including point of sale, self check out and bar code systems systems that manage human resources accounting systems websites systems that aggregate sales data by region inventory systems that indicate
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Write in python.We will compute the PageRank of the articles of the Hawailan wikipedia, which is available at haw wikipedia org. Additional information of the Hawailan wiki can be found here. Hints: If you dont speak Hawailan, you might want to learn the wiki iogic from the English wikipedia, and translate your findings. Also, caching is
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In the hierarchy of data, a group of makes up a a . bytes, bit b . records, table c . fields, byte d . tables, record e . files, record
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C Language: Write a diagnostic code for the following code. And please tell me what it will check for. This code does the following: its using 2 7 Segment LEDs Hit Switch Count Up Hit Switch Display Time Hit Switch Count Down from 99 Hit Switch Display time Hit Switch Turn off display The diagonistic code should check: All segement of the LEDs and

Write a SQL query to find the ID and name of each instructor who has given an 'A' grade in any course that they have taught. Write a SQL query to find the I D and name of each instructor who has NEVER given an 'A' grade in any course that they have taught. (Instructors who have never taught a course trivially satisfy this condition and will appear

b ) A Cartesian Co - ordinateRobot moves along thefollowing axes:X axis = Lateral MotionY axis = Longitudinal MotionZ axis = Vertical MotionThe robots position atany point can berepresented by thematrix:

The U . S . Supreme Court ruled that not requiring content filters on public library computers was unconstitutional. Group of answer choices True False

Graph the step response of a 3 r d order system with a finite zero. G ( s ) = W n 2 * * a ( s + a ) ( s 2 + 2 * * * * W n * * s + W n 2 ) ( s + ) What happens when you change. W n a a Create a matlab code.
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Please use MATLAB to reolve this. Also o write a single MatLab script to solve the problem
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A virus in computer memory is less dangerous than a virus in hand disk because if it is in the memory it cannot be on hard disk, and memory is volatile so this virus will disappear as soon as the computer is switched off. is more dangerous than a virus in hard disk because if it is in the memory then it is already running on your computer and
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Q5. Write down the order of nodes visited during preorder, inorder and postorder traversals for the following tree: [20] 32 26 74 12 29 60 10 .15 31 -3 9 65 30 -12
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import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner stan = new Scanner( System.in ); System.out.println("Enter a string"); String str = stan.nextLine(); System.out.println("How many rows and columns? "); int numR = stan.nextInt(); int numC = stan.nextInt(); // call the create method // print out the
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write a code to implement the state diagram. The state diagram is floating point literals. plez write it in java. thanks Return float_code digit Fraction digit Exponent other digit digit digit 8 other or Whole Number digit other other other other Terror Return integer_code
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What is the name for the type of software that generates revenue by generating annoying pop - ups? adware pop - ups trackers spyware
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A network technician is setting up Cat 7 cabling in the organization's environment. The technician can terminate the cabling with what type of connector? ( Select all that apply. ) Group of answer choices RJ 4 5 TERA GC 4 5 Horizontal Connectors

A router functions in the _ _ _ _ _ layer? _ _ _ Physical _ _ _ Data link _ _ _ Network _ _ _ Any of the above

Database conceptual design is about "how" to represent data entities in a database "what" should be included in the database Software requirements Hardware requirements
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TEACHING ASSISTANT TA ID NAME TA1 SMITH TA2 ZHANG TA3 LIU DEPT_NO D1 D2 D1 UCSB DEPARTMENT DEPT NO D1 D2 NAME SOCIOLOGY GEOGRAPHY OFFICE TA ID TA1 TA2 TA3 OFFICE SH 01 SH 02 SH 01 PHONE EXT 345 454 345 Database Description TEACHING ASSISTANT TA ID: a unique identifier is assigned to cach teaching assistant (TA) NAME: TA's name DEPT_NO: a unique
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What is a difference between a list and a dictionary? One compares values and the other creates dataframes The dictionary has a key, the list does not The list has a key, the dictionary does not Python requires a description of a list
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The subject is Advanced algorithm. Please make algorithm and flowchart for disjoint set implementation 1. Array -Find operation - - Union operation 2. Linked List - Find operation - Union operation Notes: I wanted to learn from you, so please give me explanation for each algorithm & flowchart. Thank you very much
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4. Show what is written by the following segments of code, given that element1, element 2 , and element 3 are int variables, and q is an object that fits the abstract description of a queue as given in Section 4.2, "The Queue Interface." Assume you can store and retrieve values of type int in q. a. element 1=1; element 2=0; element 3=4; q. enqueue
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During an online shopping festival, e - commerce website bestwebsiteandproducts.com expects a significant increase in traffic and transactions. To protect customer data and ensure secure transactions, bestwebsiteandproducts.com should primarily use: Social media logins for user authentication Cloud storage backups to save transaction data Open Wi
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Consider a database for a Library Management System that stores the data in five tables named Member, Book, Publisher, Loan and Reservation. Prepare a security model for this database by filling the given table. You can include database operations such as Insert, Update, Delete, Query, Modify structure, Grant and Revoke etc. to complete this
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You have created accounts for five people on a Windows 10 computer. They are able to sign in, work on files, and save them; however, they are not able to install new software on the computer. Which of the following groups do these accounts belong to? a. Users b. Administrators c. Power Users d. Device Owners You use your domain account to sign in

C programming Define a structure called Student that has an id of type integer, gpa of type double and gender of type character. Declare an array of 10 Students. Declare two variables of type Student. Declare two pointers of type Student. Write the addresses of the two variables in each of the pointers. Use the pointers and read values from the
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create a relational schema Exercise #7: (23 points) FestName BusiD CustID LastName BusName Country ofOrigin HOTEL TOURIST booked for books BOOKING Price DatootBooking booked via Checkinute Checkout Date TRAVEL AGENCY Agency AgencyBusName 2
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in the following javascript code follow the direction below /* JavaScript 6th Edition Chapter 10 Hands-on Project 10-1 Author: Nick Date: july 27 Filename: script.js */ "use strict"; // global variables var loc = []; var origin; var onTop; // perform setup tasks when page first loads function setUpPage() { var puzzlePieces =
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Which of the following statements is correct? a . Static IP a dresses offer higher security than dynamic IP addresses. b . Dynamic IP addresses are more expensive than static IP addresses. c . Static IP addresses are the same thing as dynamic IP addresses. People use the two terms interchangeably. d . Static IP addresses offer more reliable
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Data used in Problems 1 and 2 X1 train and X2train are training data points in Class 1 and 2, respectively. Xtest are testing data points to be classified into Class 1 and 2 . In the following expression, two-dimensional data points are represented in columns:
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a ) Convert KB into Conjunctive Normal Form ( CNF ) . b ) Using your answer in part a , prove the sentence = notA by contradiction. Use only the inference rules of propositional logic.
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need help! 5. What is hazard? What are the types of hazard? For the following instructions how many hazards may appear? How can you solve them? After solving the hazards how long does it take to solve the following instructions. Assure each stage takes 1-cycle. 15 ADD Sso, Sto, $t1 SUB $s2, Sto, St1 ADDI Ss1, Sso, 50 SW $81, 8(St2) MUL $s3, $81,
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IT-Sucess Company (ITS) is planning to reduce its labor costs by automating their core business activities that are currently performed manually. The automation requires reengineering a number of business processes and developing related applications. This automation can reduce annual labor cost. Two proposed projects aiming to implement ITS
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Please write a full program that comppiles and runs according to the instructions and also the files INSTRUCTIONS OVERVIEW According to Wikipedia "In cryptography, a substitution cipher is a method of encoding by which units of plaintext are replaced with ciphertext, according to a fixed system; the "units" may be single letters (the most common),

Write a MIPS program that will handle calculating minifloat addition for two numbers using the rules discussed in class and storing each of the parts as a binary integer. 4 To do this, each 'minifloat' number will need to be represented (I suggest hard coded) as one register for the sign, one for the exponent part, one for the 'significand(which
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Note :In C++ programming please. Details This time around, your program will not be so chatty. The program will just wait for you to type an integer, and then print a 0 or 1 to indicate whether or not that integer was prime. Here's some sample output of an interactive session (assuming primetest is the name of the executable!). $ ./primetest 1
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In javascript please The task In a 5 by 5 square test plot laid out in the IRL, Professor Smith of the biology department is watching two manatees, Hugh Manatee and Manfred Manatee. They are lazily eating the seagrass and for some reason never stray from the plot. The test plot is laid out in 5x5 grid with (1,1) being the location of the
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Which of the following are subtractions from taxable income in computing current E&P ?
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Name: Page 1 5 4 . Look at the rdt 2 . 1 sender diagram below. Mention the actions taken on the missing areas A , B , and C . Mention one difference of rdt 2 . 2 and 3 . 0 .
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