Databases Questions and Answers February 14, 2021

c++ repl.it only Create a program that can read in a file of a student and their grades and give their weighted and unweighted GPA. For an unweighted GPA, an A will be worth 4 points, a B worth 3 points, a C worth 2 points, and a D worth 1 point....an F will be worth 0 points. For a weighted GPA, for passing grades, Honors classes will be given 1

Finish the MPCP example from 0326/slides.pdf (the simple twostate M and input w = aa on the first page). That is, write down the complete set of tiles needed by Sipsers reduction, and the complete match solution showing the computation where M accepts w. 20 pee we hane M and g0 Accept-???? a g 6,fc Example: M Ncte Hess are aey ecopt n He seime,

In recent years, the term drone, which is an unmanned aircraft that is remote controlled, has gained popularity among a variety of industries (e.g. agriculture, law enforcement). Speculate on the major ethical issues that may arise when drones fly over private property, pools, airports, etc. Next, suggest one (1) design safety feature that

Question 1 : Let s get to coding! The purpose of this problem is to remind you how coding works, get you comfortable with the atmosphere, and provide you with functions you can use later in your projects. You will recreate the tables in the Anderson appendices. You may choose to complete this assignment in Python or MATLAB. For a little extra

What are the testing issues regarding the boundary value testing? Name at least two major ones you can think of. How does the equivalent class testing help to solve the issues you mentioned previously?

Exercise 2 Given the function defined below, which calculates "taxicab metric" between two points on a grid: In [ ]: def cab_metric(point_a, point_b): "IIDetermines the distance traveled between two points on a grid ( like a cab in a city) Arguments point_a: 10 numpy array. xa, ya coordinates of the starting point. point_b: 1D numpy array. xb, yb

Solve the above recurrence (d) f(1)=1;f(n)=1n1(if(i)) (Hint: compute f(n+1)f(n) for n>1)

Analysis of Twitter language about the Public Figure (@TheEllenShow). In this section, we want to examine the language used in tweets. Use the rtweet package to download tweets. - Use the search_tweets function from the rtweet library to search for 1000 tweets about the person you selected. Save these tweets as tweets. - Construct a document-term

Exercise 1: Let the universe be the set U={1, 2, 3,..., 10}. Let A = {1, 5, 8, 9), B = {1, 2, 3, 4, 5, 6} and C = {3, 5, 6, 8}. List the elements of each set * BU (B - A) * (AUB) N (C - A) * B 1 (C U A)

Caesar wants to arrange a secret meeting with Marc Antony, either at the Tiber ( the river ) or at the Coliseum ( the arena ) . He sends the ciphertext EV IRE. However, Antony does not know the key, so he tries all possibilities. Where will he meet Caesar? ( Hint: This is a trick question. )

What can use HTTP headers to carry meta information in its message? Options are : web service, rest service or component Please explain choice.

Using multi-threaded programming, you are required to implement a hotel system, which provides a check-out with cash payment use case depicted in Fig. 1 and Fig. 2. Fig. 1 depicts the communication diagram for the check-out with cash payment use case and Fig. 2 depicts the simplified software architecture that consists of the Hotel Client and

Write a program in python that can play Tic-Tac-Toe effectively . ( Section 5.6 of the textbook Goodrich ) 1. First you will need to create a game tree T, which is a tree where each position corresponds to a game conguration , which is a representation of the Tic-Tac-Toe board. ( Section 8.4.2 Goodrich ) 2. The root corresponds to the initial

Application security groups can be used in inbound security rules and outbound security rules.

1. In addition to calculating regression coefficients in a linear regression, you should also create a scatterplot to.... Check that the relationship is actually linear None of these Both of these Check for outliers 2. R-squared in a multiple regression is: the proportion of the variability in the outcome variable that can be predicted by the

Write code for the LMC for the following tasks. ( 5 * 3 = 1 5 ) In addition to the commands INP, OUT, STA, LDA, ADD, SUB, DAT and HLT , you will also need to use the branching instructions such as BRZ , BRP and BRA commands. For each task below, you should submit annotated mnemonics, that is , submit the code together with comments explaining what

(12 points) How many 5-element DNA sequences (a) end with A ? (b) start with T and end with G ? (c) contain only A and T ? (d) do not contain C

H.W: (c){(-23 (a) { (d) {-(2) (b) (3) (e) (3) H.W: (c){(-23 (a) { (d) {-(2) (b) (3) (e) (3)

I need help with this assignment, I will leave the code Player and WorldModel bellow and also the instructions of the assignment, thank you for the help in advance. 1 . Define a IWorldView interface. An IWorldView should implement a display method ( not the same as display function ) that takes a WorldModel as an input and returns nothing ( void )

which term does the osi model use that differnt from the tcp / ip model

Below is java code that must be used, below is questions that I have to do with this code. // highArray.java // demonstrates array class with high-level interface // to run this program: C>java HighArrayApp //////////////////////////////////////////////////////////////// class HighArray { private long[] a; // ref to array a private int nElems; //

\begin{tabular}{|c|c||c|c|} \hline Plaintext & Ciphertext & Plaintext & Ciphertext \\ \hline 0 & a & 8 & e \\ \hline 1 & c & 9 & d \\ \hline 2 & f & a & 0 \\ \hline 3 & 6 & b & 7 \\ \hline 4 & 3 & c & 5 \\ \hline 5 & 8 & d & b \\ \hline 6 & 4 & e & 9 \\ \hline 7 & 2 & f & 1 \\ \hline \end{tabular} ( 6 pts) For this question, you will perform

If the 3 - digit security code on the back of a credit card using the digits 0 - 9 has no repeating digits, what is the probability that the code does not contain any numbers less than 5 ?

Background I have a music player on my phone. I can buy songs, add them to playlists and play them. Obviously it would be redundant to store each song in each playlist; each playlist is just a list of pointers to the songs. For this lab you will simulate this behavior. Your program will need to have options to: Add songs to the system library (you

Write a Matlab script that converts colour pictures into greyscale without using rgb2gray function. Please show comments Your file will contain a function called color2gray(input_dir, output_dir). You may choose any colour images as input. Your function will perform the following: 1. Read images from argument input_dir 2. Convert each image to

What will happen to a message that is sent using a personal tag that is configured to permanently delete after 1 8 0 days?

NO helper functions are allowed for this assignment Do NOT use recursion or abstract list functions (map and filter). All repetition must be performed using iteration (while and for loops only). Solutions using recursion will receive a grade of 0

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Given the following linked list, what is the output after implementing the doSomething function void doSomething() Node current int x0 for (currenthead.next current.nextnull currentcurrent.next) x x (int) current.element System.out.println(x) The function is called with the list containing the integers 10, 4, 12, 14, 1, 8, 3 in the given order.

PLEASE SOLVE IT IN PYTHON IN A SIMPLE WAY Implement the design of the BFC and Customer classes so that the following code generates the output below: print(f"It's been a wonderful day! Today, we have already served {BFC.order_id} customers. Few more to go before we close for today.") print("**************************************************")

Fill in the blank: The authentication server is to authentication as the ticket granting service is to integrity identification authorization verification Consider the following scenario: A network admin wants to use a Remote Authentication Dial - In User Service ( RADIUS ) protocol to allow 5 user accounts to connect company laptops to an access

Write a java program to implement a circular doubly linked list.

Please do not spam answer me like other chegg people have. the question is not complicated but does require you to read the SQL table which I have created and supplied to answer the question. (provided below the question) IF you are NOT capable of answering please do not answer it, leave it for someone who can actually help me and not use up 1 of

Which of the following classes is not used to connect an output stream to a file?

1. Determine the number of iterations needed by the Bisection algorithm to find the root of an equation with a tolerance of 10-5 using an initial interval from 2 to 4

Screen that can detect contacts at multiple points simultaneously a. Detective b.Resistive c. Inductive d.Capacitive

Evaluate the following postfix expressions using stack operation. a) 234/5 b) 6342+5

Objective : The objective of this programming assignment is to implement in your preferred* language an algorithm A to compute the sum i=1 n x i where x is a real number ( 0x1 ). We are interested in exploring the relationship between the time complexity and the real time (wall time). For this exploration, you will collect the execution time T(n)

I need help working out this Homework Problem. The section Problem describes what I am asking: What I did was I created a project that had all three of the files in it as you see below. But what I am confused about is the part about "build the load module Problem1.exe then execute". I am not sure what a .exe file is. Am I suppose to create another

Computer Networking Please provide the correct answer " m u as servers and PCs 3, Any transport layer header including TCP and UDP) must include (Choose all that applies) a. The IP address of the source host b. The IP address of the destination host c. The Port number of the source host d.-The Port number of the destination host

Question 6 of 5 0 What is the primary purpose of the Asset Inventory in ISO 2 7 0 0 1 ? To track employee attendance To maintain a list of company shareholders To catalog and manage information assets To create a marketing budget

Write a relational algebra expression that return the name of members that borrowed all the books available in the library Staff Reservation sID sName Joan S1 blo mld sld Quantity numberOfDays Status b1 M2 si 1 1 Closed 2 PassDue M1 53 | s2 b2 M3 S1 Pam Greg In S3 b2 2 Closed Member Book mID M1 mName Sam IM2 Paul blDbTittle

p130 segment 4.2 Let's translate these algorithms into Java code. If we use long integers, we could write the following statements (see attached program). Run the program for n = 10000. The sum should be 50005000. How quick did each algorithm run? Run the program for n = 100000 (one hundred thousand). The sum should be 5000050000. Keep adding

An organization wants to separate permissions for individuals who perform system changes from individuals who perform auditing of those system changes. Which of the following access control approaches is BEST suited for this? A. Assign administrator and auditors t different groups and restrict permissions on system log files to read-only for the

Python code 3.5 or earlier please. Also please use recursion. 6. Pascal's Triangle The triangular array of numbers in Fig. 6.33 is called Pascal's triangle, in honor of the seventeenth century mathematician Blaise Pascal. The n" row of the triangle gives the coefficients of the terms in the expansion of x)". For instance, the 5th row tells us that

Define MovieData Structure The program uses a structure named MovieData to store the following information about a movie: Movie Title Director (name stored in the format: Lastname, Firstname) Year Released (stored in the format: YYYY) Running Time (in minutes) Cost of Production Revenue Generated Profit or Loss (calculated field) Define this

(a) Describe in a few English sentences a Turing machine that accepts the language {anb3nc2nn1} Explain the use of any needed auxiliary symbols

Determine the number s printed by the following python program: = 1 A = {1,2,3} 2 B = {2,3,4} 3 s=0 4 for j in A | B: 5 for k in A: 6 S=S+1 7 print(s) 8. 9 # Hint A | B denote union of A and B

Do all of this and explain it well step by step pleaseProve each of the following statements using the proof technique named. [ Direct Proof ] If x is an odd integer then x 2 + x is even. [ Contrapositive ] If x is a real number such that x 3 + 2 x 0 , then x 0 . [ Contradiction ] For all even integers n , n 2 is a multiple of 4 . [ Cases ] For

Workplace attrition is a key issue in organizations. Propose a data mining classification technique that could help gain greater insight into workplace attrition. What input variables would you use and why? Provide at least two sources to support your discussion.

Number representation . Convert 20010 to binary and hexadecimal. ii. Convert 10101101102 to decimal and hexadecimal. iii. Convert ABC16 to 12-bit unsigned binary. Now, treating the binary as a 12-bit twos- complement number, find the corresponding (negative) number in decimal iv. Use a substitution trick to convert 1100111103 to base-9. (Hint 24 =

What would be in the variable x after the following if statement was executed? X-7 if x > 7: x = x 2 else: x = x // 2 3 7 3.5 14

This assignment is a short assignment and it does not involve any programming. With this assignment, you will deepen your understanding on how Algorithms 1 and 4 (discussed in lecture on pp. 61 in the textbook) go about solving the "maximal subsequence sum" problem. You will be asked to communicate your understanding in your own words. Study both

The factory method should return a CelestialBody object. This object should be able to do the following things: print ( my _ planet.name ) will return Earth print ( my _ planet.distance ) will return 1 4 9 6 0 0 0 0 0 print ( my _ planet.diameter ) will return 1 2 7 5 6 . 3 print ( my _ planet.moons ) will return 1

1. A complete binary tree is defined inductively as follows. A complete binary tree of height 0 consists of 1 node which is the root. A complete binary tree of height h+1 consists of two complete binary trees of height h whose roots are connected to a new root. Let T be a complete binary tree of height h. Prove that the number of leaves of the

three types of processor scheduling.

. Describe how the countermeasure can help protect against reconnaissance efforts by malicious hackers

Practical Approach Of Operating system Please answer all questions thanks QUESTION 5 a) What is an authentication? (2 marks) b) Describe how user profile-based authentication mechanism is implemented. Give TWO (2) examples (4 marks) c) Memory and CPU protection are very important in a multiprogramming environment. Discuss the security protection

Explain how each fundamental design principle is integral to process improvement within the logistics and distribution industry.

In the Customers table, which field would be ideal for creating an index?

A security kernel is responsible for enforcing security mechanisms for the entire operating system. Which of the following is NOT a good design reason for isolating functions in a security kernel? Select one: a . Compactness b . Separation c . Mediation d . Unity

c. What is the height of a bunny hop on a bike that weighs 21.5 pounds

A is an example of a user environment.

Please answer the following question in visual studio 2017. Think and write any arithmetic expression that uses the following 5 basic operations in C at least once: +, -, * /, and % . The expression may or may not have parentheses. Evaluate the operations and produce a final result for the expression following the C order of precedence for

Question-1: Take two lists from the user (elements of the lists separated by space) of the same size. The first list will contain some names and the second list will contain roll numbers. Your job is to assign each name a roll number from the list containing numbers following the criteria given below. Find the sum of the ASCII value of each name

Although you always wanted to be an artist, you ended up being an expert on databases because you love to cook data and you somehow confused database with data paste . Your old love is still there, however, so you set up a database company, ArtBase, that builds a product for art galleries. The core of this product is a database with a schema that

Need help in c++ asap. The moon's gravity is about 17 percent that of Earth's. Write a C++ program that displays a table that shows Earth pounds and their equivalent moon weight. Have the table run from 1 to 100 pounds. Output a newline every 25 pounds. W.0.17 WM Weight on the moon W, Weight on Earth WM

a) Draw the class diagram of a restaurant system. Your analysis should include at least the following concepts: Waiter, Food, Restaurant, Cook, Client, Table. *b)Draw the collaboration diagram of the use-case called ServeFood. Let the object handling the usecase be a Waiter. Give as much detail as possible.

Write a function that groups nodes with the same value in a linked list. The code you will write will rearrange all duplicate values in the list sequentially side by side. should be regulated. For example, let's say the number " 3 " repeats four times in the list. In this case first Other repeating numbers " 3 " should appear right next to the

1.0 Overview Madame Pince, the head librarian at Hogwarts has expressed an interest in the new "Computational Magic" to Professor Dumbledore and has asked if it would be possible to obtain a program which would catalog and store information on all of the books in the Hogwarts Library. Professor Dumbledore has requested just such a utility program

Can you create a NAIVE BAYES MODEL for the "Carseats" data set in the "ISLR" package using R Studio and show the PERFORMANCE RESULTS in the CODE FILE? please change categorical variables and all codes will be running

Version 4.0 Default.aspx This page should contain a header, footer and content areas. The header should contain links to important pages the customer should see, a link to manage/create their account, and a shopping cart link to view the contents of the shopping cart * The footer should contain a copyright, company address, and phone number The

what CPU is compatible with ASUS Z 7 9 0 - P ATX Motherboard with WiFi 6 , PCIe 5 . 0 , DDR 5 , 1 4 + 1 Power Stages, 3 X M . 2 , Thunderbolt 4 , 2 . 5 Gb LAN

1. What are some considerations for selecting a specific architectural framework? 2. Why are quality attributes ("ilities") important when defining an architecture and why isn't it a good idea to "bolt" these on at a later date? 3. Please provide 2-3 considerations for evaluating an architecture.

An IDS may use which of the following techniques? (select all that apply) traffic below an established threshold deep analysis of encrypted data learned traffic patterns pre-defined malware signatures

g expression, writing your answer with only positive (3^(-5))/((3^(2)y^(-4)z^(-2))^(-4))

(javascript) Have the function StringChallenge( num ) take the num parameter being passed and return all the numbers from 1 to num separated by spaces, but replace every number that is divisible by 3 with the word "Fizz", replace every number that is divisible by 5 with the word "Buzz", and every number that is divisible by both 3 and 5 with the

Homework Assignment 8 This homework addresses class and interface design and how different designs can support dynamic binding in an array of objects. You need to unzip file exampleOfClassInterfaceDesign.zip , and study the java source code and document versionComparison.docx, before start working on this homework. Step 1: create superclass

Answer in C++ Using TWO for loops, output the following triangle made from asterisks: **+*******

Which of the following was NOT given in the textbook as a good reason to disaggregate?

Given the following Java program, public class PassPrimitiveByValue { public static void passMethod(int p) { p = 10; } public static void main(String[] args) { int x = 3; passMethod(x); System.out.println("After invoking passMethod, x = " + x); } } What will be the output? Select one: a) After invoking passMethod, x = 3 b) After invoking

A number of managements are integrated into different fields of knowledge and functions to make a particular project successful.Explain this topic.

Complete the following program with appropriate C++ statements. This program stores the information of 40 students using structures. Declare a structure to represent mark with two (2) members of type float ; carry marks and f i n a l e x a m. Then, create a structure named Student with three (3) members. The members include ID of type char array

2. Find the complex Fourier series of the following periodic signal with A-2 and To = 21 (5 marks] f(t) ALLE F Answer 27 47

What principle could be potentially violated if an instance variable of a Java object was set to publicSelected Answer:Correct Answer:Information HidingInformation Hiding

FOR VISUAL BASICS 2012 Write a ForNext loop using the Length command that computes the sum of an array named decMaySales. After the loop, display the average in a Label object named lblAverage with the currency format. Use Length in the formula that computes the average.

Write 3 distinct JUnit tests for Java Strings compareToIgnoreCase() function. By distinct, use the equivalence classes approach. Please post your screenshot, thank you.

Let A be an n x n matrix of integers such that each row is strictly increasing from left to right and each column is strictly increasing from top to bottom. Give an O(n)-time algorithm for finding whether a given number is an element of A, i.e., whether x=A(i,j) for some i,j.

creating a simple statistical calculator using kotlin (Android studio) - allow the user to enter up to 10 integers and store the integers in an array. Note you need to keep track of how many numbers have been entered - you will need this later. - display the numbers that have been entered so far. - have a clear button to remove all the integers

a table that lists booleon expressions and shows all possible true and false outcomes from compound combonations of the connected boolean expressions is called a(n) ______

answer with the step please now it is clear 3) Comende 3) 10 Dec Cat3th Ocalary Centre Convert 010100100110011 Binary to Octal Question 2: Perform the following operations (show all steps) 110010000101011110 10010110 1000011-10 Question 3: Write your first name in ASC Question 4 a) Represent 951 in 1CD b) Find the decimal number toptat in

why does unix need remote access to execute some of the commands ? and what kind of commands are those ?

Prove x^2 (1/(x^1/2) - 1/(x+1)^(1/2)) is big O (x^1/2)

I want simple solution for this question, its urgent! Write a SPIM program that computes exp(x) by using a Taylor series: exp(x) = 1 + x + x2/2 + x3/3! + x4/4! + ...The user enters x and n. exp(x) is ex, where e is the base of the natural logarithms, 2.718281828... You don't need to worry about the math behind this. Just compute a sum of terms.

Field Value _ id PnqbQo 0 BU - qlxAgMJ _ tM _ index . ds - filebeat - 8 . 1 1 . 4 - 2 0 2 4 . 0 1 . 1 5 - 0 0 0 0 0 1 _ score - @timestamp Jan 2 5 , 2 0 2 4 @ 2 2 : 5 1 : 1 9 . 0 0 0 agent.ephemeral _ id ef 4 8 9 1 8 e - 0 8 7 0 - 4 7 ea - 9 1 6 9 - 8 bba 3 2 2 4 5 f 4 e agent.hostname firewall agent.id bc 3 8 ef 4 a - 0 e 5 7 - 4 2 d 7 - b 1 5 1

please answer the following in C++ Write a C++class named Cone that consists of TWO float attributes, radius and slantHeight, by answering the following questions: a) Implement the following constructors: - An empty and parameter-less constructor. ( 2 marks) - A constructor that accepts as parameters the radius and slantHeight attributes. (3

What are some of the differences between holistic enterprise architecture (EA) and a systems-level planning approach? Choose a real-world large-sized enterprise and determine the following. Be sure to cite sources. Do NOT select a company that is technology-focused (e.g. Amazon, Apple, Google, IBM, etc.). Is information technology seen as a

Which of the following are reasons why database design is important? a . Good applications can't overcome bad database designs. b . Ultimately, the end user and the designer decide what data will be stored in the database.

true or false: unix is the grandfather of apple, GNU/LINUX, and android

What will be the value of totalInteger after execution of this statement? Assume that valueInteger = 2. totalInteger = ((valueInteger + 2) * (valueInteger + 4)) / valueInteger + 1 a)13 b)8 c)12 d)None of these

Java software is designed to run on specific microprocessors and operating systems true or false