S
  1. study help
  2. subject categories
  3. computer science
  4. databases
  5. february 2021
  6. 11

Databases Questions and Answers February 11, 2021

Expert-verified solutions to help you succeed

****GNU Octave**** Problem 4. (30%) This is an OCTAVE problem. Build an OCTAVE function that takes the data matrix X and a positive integer p as input arguments. Output the dissimilarity matrix D using the distance function of Minikowski distance with h = p. Problem 4. (30%) This is an OCTAVE problem. Build an OCTAVE function that takes the data
image text in transcribed

1. Which of the following items are shared across multiple threads belonging to the same process? A) code, data, files B) registers C) stack D) all of the above
image text in transcribed

2) Using the Arduino board design a home security system. The system shall have 4 Draw the necessary hardware with the Arduino pins it will be connected to. Use one LED for the following conditions: When the system is NOT enabled (armed) an LED should blink at a frequency of 0.2 Hz. When the system is enabled (armed) an LED should blink at a
image text in transcribed

Test plan: either a detailed list of test cases to execute, or a detailed description of your approach to testing your implementation DLLNode.JAVA package ddladt; public class DLLNode { private DLLNode next,back; private T info; public DLLNode(T info) { this.info = info; next = null; } public void setInfo(T info) { this.info = info; } public T

Consider the grammar: SSSTTTTUU(S)truefalse Prove that this grammar is ambiguous
image text in transcribed

1. (20 points) Construct a NFA for regular expression ab[ab]*ba. Convert the NFA to the DFA. 2. (30 points) Minimize the number of states of the DFA defined by the following transition graph. a 3. (50 points) Minimize the number of states of the DFA defined by the following transition table. The initial state is O and the final states are 3 and 8.
image text in transcribed

- Must be written in C# Programming Exercise 5 (pg. 538) Create a program named BookExceptionDemo for the Peterman Publishing Company Create a BookException class that is instantiated when a Book's price exceeds 10 cents per page and whose constructor requires three Create an error message that is passed to the Exception class constructor for the
image text in transcribed

C++ Siyazama High School Grade Management The Siyazama High School principal approached you for your C++ programming expertise. They want a software solution for their teachers who manage student marks. The teachers record the student's name and surname, the continuous assessment mark out of a 100 and the final term mark out of 100. They then
image text in transcribed

java nested loop 4 6 7 8 9 10 10 11 12 13 12 13 14 15 16 14 15 16 17 18 19 16 17 18 19 20 21 22

1 . Suppose problem X is in class NP , problem Y is in class P , and X is polynomially reducible to Y . Which must be true? Explain a . Problem X is in class P . b . Problem X is NP - complete. c . Both of the above. d . None of the above. 2 . Suppose problem X is in class NP , problem Y is NP - complete, and X is polynomially reducible to Y .

You have been contracted by a bookstore to create an application that will load a list of books received in a shipment and produce a report about the shipment. Write a program ( client ) that uses the class by creating a BooksReceived object and prompting the user for a file name. ( The file is of the type . txt ) Appropriate error checking is

asap Question 3 (20 points) (1) Use the R\&CM algorithm to form the cells and, if conflicts exist, propose alternative approaches for resolving the conflicts. ( 10 points) (2) Re-do the problem by using Rank Order Clustering algorithm. (10 points)
image text in transcribedimage text in transcribed

Title: Predicting Housing Prices Using Linear Regression and Gradient DescentDeadline: 1 1 th February 2 0 2 4 Objective:To develop a machine learning model using linear regression that predicts housing prices based on a setof features. You will implement the gradient descent algorithm to optimize the model's parameters.Assignment Details:Part 1 :

Question 5 of 1 0 If a medication administration error occurs, a staff member should immediately call 9 1 1 . True False
image text in transcribed

Hidden node problem 6. Consider a network of 5 nodes as shown below. The edges represent the range of transmission/reception for each node. Edges with no arrows implies both nodes are within transmission/reception of each other. An edge with an arrow implies the communication link is only one-directional. (3+3+3=9] a) For the nodes A, B, C and D:
image text in transcribed

In the following code what will be printed? String s1= "cat"; String s2= "cat"; if(s1 == s2) \{ System.out.println(s1 +" is the same string as " +s2); \} else if (s1.equals(s2))\{ System.out.println(s1+" is the same word as " +s2); \} else \{ System.out.println("The two strings are different"); \} A. cat is the same string as cat B. cat is the
image text in transcribedimage text in transcribed

O b j e c t i v e s Using File input/output Practice with loops and conditionals This project is based on the DNA Analysis homework in Michael Ernst's CSE 140 class at UW. I n t r o d u c t i o n You will use, modify, and extend a program to compute the GC content of DNA data. The GC content of DNA is the percentage of nucleotides that are either
image text in transcribedimage text in transcribedimage text in transcribed

The main difference between network and transport layer is: A. Network layer provides logical communication between processes while Transport layer provides logical communication between hosts B. Network layer provides either connection-oriented or connectionless service while transport layer provides only connection-oriented service C. Transport

May you optimise my code and make it faster . You may want use some advance sat solve tecnique . Take your time , I am not in a rush for the answer , but please give me a faster and more importantly a correct version of my code . My code : def update _ clauses ( clauses , literal ) : updated _ clauses = [ ] for clause in clauses: if literal in

1.1) & 1.2) Pick any ONE of the scenarios below. For that scenario identify all of the possible entity types which could be stored in a database. Then indicate those that probably wouldn't be actually used, and explain why. A) A database for a local garage is needed. The database contains data items for Customer's name, Customer's address,
image text in transcribed

What problems do you expect to arise if the following program is implemented on a computer? ( Hint: Remember the problem of round - off errors associated with floating - point arithmetic. )

What is the interaction between the home agent and the foreign agent in support of Mobile IP hosts?

Show each step of adding and rebalancing Draw the AVL tree that would result if the following numbers were added in this order to an initially empty tree: 20,45, 90,70,10,40,35, 30,99,60, 50,80
image text in transcribed

Which of the following kays creates a default column chart sheet for selected data?
image text in transcribed

4.10.8*: Suppose that E is an event in a space that is partitioned into k regions Ri, R2 R. Show that 12...., Rk. Show that PROB(Ri)PROB(E/Rj) = =1 PROD(Ri) PROB(E/A) PROB(R/E) PROB(R) PROB(E/R) This formula is called Bayes Rule. It gives a value for the probability of Rj given
image text in transcribedimage text in transcribed

Matlab Problem How to modify the following matlab script of the move computer, which makes it impossible to win the computer (the computer never loses). This is tic tac toe game, thanks! The 1- 2 pic are the main script of the game: The following pics are the CompMove script function [P1move_index]=MyMove(board) turn=(board~=0); x1=(board==2)*-1;
image text in transcribedimage text in transcribedimage text in transcribed

Write a program that computes the area of a rectangle. The following pseudocode should help you get started. get the length of the rectangle from the user get the width of the rectangle from the user calculate the area area = length * width display area Hint: There is a nextDouble() method in the Scanner class. Please submit your .java file for

Please write this program using c++ Requirements Create a function for each of the gate operations Use an enumeration to specify the type of gates Each gate may have up to 8 user-inputs. An input value is either 0 or 1. Value 0 implies false and value 1 implies true For demonstration, your program tests each operation and shows all inputs and
image text in transcribed

(you may copy anything you want from if Write a new program need be). particle.cpp 3d-space.cpp The program should declare a new struct Particle , which stores position and velocity of the particle, and provides the following programming interface: dynamically allocate memory for a particle and initialize it Particle createParticle(double x,
image text in transcribedimage text in transcribedimage text in transcribed

Create a C# program Add a new class called Employee in Emplovee.cs FIELDS Create the following fields firstname ( string ) lastname ( string ) id ( string ) age ( integer ) address ( string ) Phonenumber ( string ) title ( string ) yearlysalary ( double ) employmentstatus ( string ) CONSTRUCTORS Create a constructor with no parameters ( default
image text in transcribed

please solve both the Question given above because both are compulsory to Answer. Please run the program written in python and make sure to give me Confirm Answer of the above question both. Code will be in Python language. Please answer as soon as possible. Only attempt if you are confident about the answers otherwise Don't try to attempt..
image text in transcribedimage text in transcribed

1 . In context of the Merkle - Damgard Transform ( module 6 . 1 , slide 7 ) let n = 5 1 2 bits, l = 6 4 bits and n = 1 0 2 4 bits.

Could anyone help add to my python code? I now need to calculate the mean and median. In this programming assignment you are to extend the program you wrote for Number Stats to determine the median and mode of the numbers read from the file. You are to create a program called numstat2.py that reads a series of integer numbers from a file and

Given the memory shown below and esp = 0x 12F458. What is value of eax after executing eax" instruction? What is esp after executing the pop instruction? 0012F454 FE CA B0 CA AD BE CE D1 eax = _______ esp =__________ Given that [ebp + 0x 14] refers to a parameter named "tmpi" = 0x9FEC5, ebp = esp = C Briefly describe the difference between the
image text in transcribed

5 - [ 2 0 pts ] Write a MATLAB script and use and if / else statement to calculate f ( t ) : f ( t ) = { 2 t , i f 0 t 0 . 5 4 , i f t = 0 . 5 t 2 + 2 , f o r a l l o t h e r t Test your code with different values of t .
image text in transcribed

In Dart, you can override many operators such as + , - , and = = . The only catch is that if you override the = = operator, then you should also override the class's _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ getter.

Using tkinter(GUI); Im trying to spawn an image with a button on python. However, when i press the "caesar" button im getting a "_tkinter.TclError: cannot use geometry manager grid inside . which already has slaves managed by pack" error. How do I fix this? Below is my code: from tkinter import * #main widgets we'll use are: Radiobutton, Label,
image text in transcribedimage text in transcribed

Documenti - Word O Search Layout References Mailings Review View Help Nitro Pro = = = == = !T AaBbCcDc AaBbCcDc AaBb C AaBbcc 1 Normal 1 No Spac... Heading 1 Heading 2 > RA Paragraph UUTUUS Styles 4. Little endian order is when the least significant byte is storeda. A). At the first memory address allocated for datab, B). At the last memory
image text in transcribedimage text in transcribed

Question 2 25 Points A start-up company specialized in digital software, needs resources to develop its products. Which electronic entrepreneurship model should the company apply and why? Develop your argument
image text in transcribed

Forensic images are useful in forensic because: It is a copy of ALL the data It provides a verifiable way to allow more than one analyst to work on the same evidence It provides a snapshot of the state of the data at a particular time Bad things sometimes happen, its better if it happens to a copy not the original evidence All of these

I need help changing my class in the following ways. I must refactor the BloodData class to utilize enums for blood_type{O, A, B, or AB} and RhFactor{+, -} instead of strings and chars. I am new to enums so I am not sure how to do it. I will provide the class and the main . The class needs to be edited but the main must not be changed and is

Write a java method to display a pattern as follows: 1 2 1 3 2 1 ... n n-1 ... 3 2 1

Compare the list, stack and queue. Compare the array-based linked list and reference-based linked list Iam going to execute this code with THREE pushes and ONE pop: IntStack s = new IntStack(); s. push(1); s. push(2); s. push(3); System. out. println (s. pop()); Suppose that s is represented by an array. Draw the state of s after the above code
image text in transcribed

Perform the following conversions. Make sure your answer has the correct number of significant digits and show all of your work for full credit.\ a) 0.20m to mm \ b) 2.23ks to s \ c) 3.22Gg to kg \ d) 1.2g to \\\\mu g \ e) 10.0cm to in\ f) 78.9mg to g 1. Perform the following conversions. Make sure your answer has the correct number of significant
image text in transcribed

Identify the correct binary to decimal conversion. Binary number 0 0 1 1 is represented as 5 in decimal Binary number 1 1 1 0 is represented as 1 3 in decimal Binary number 1 1 0 0 is represented as 1 2 in decimal Binary number 0 1 0 1 is represented as 3 in decimal
image text in transcribed

for the highliter part how do u know the acknowledged sequence num and acknowlegeded data
image text in transcribed

Lab 7 Chapter 11: Structures (50 Points) In this lab you will work with processing an array of structs containing cell phone data. First define a struct called CellPhone . It should have 2 fields - a string to hold the model name of the phone, and a numeric value to hold the amount of data used. Next define a second struct called Family . It

please solve all parts of this question. thank you Let the universal set be U={a,c,e,g,h,m,n},S={a,c,e},T={a,g,h}. Find: 1) Draw the Venn diagram for: i) (ST) ii) (ST) iii) S iv) T 2) Result set for S 3) Result set for T 4) Result set for (ST) 5) Cardinality of Set S i.e S
image text in transcribedimage text in transcribed

Java Write a method that takes two file name strings as parameters, inputFileName and outputFileName , analyzes the sequence of integers stored in the first file and stores results of analysis in the second file. The following statistics of the data in inputFileName must be calculated and written into the outputFileName file: the number of

The length of the 3 2 bit x 8 6 EFLAGS register is _ _ _ _ _ _ Question 2 5 options: 1 Byte 4 Bytes 3 1 Bytes 3 2 Bytes

What is a notable characteristic of the free verse style in Louise Bogan's poem "The Dragonfly"? The absence of a fixed rhyme scheme and meter The incorporation of elaborate similes and metaphors The use of structured stanzas and regular meter The strict adherence to a consistent rhyme scheme
image text in transcribed

Database policies should be created and implemented by all organizations, regardless of the of the organization. Multiple Choice size database strength security
image text in transcribed

What role does the concept of "edge computing" play in the context of AI and digital transformation?

Commands to configure and troubleshoot routing protocols: -Static -Dynamic -Distance Vector Routing Protocol - RIP -Path Vector Routing Protocol - BGP -Link-State Routing Protocol - OSPF

Write a program in Matlab which takes a .BMP image and performs 8x8 DCT transform on it. Then try the following operations: a. Leave only the DC values. Delete all AC values. b. Leave the DC value and 5 AC values (in the zig-zag order) in each block. c. Quantize the DCT coefficients using the standard JPEG quantization table After each of the

Need help as soon as possible on these SQL statements as. I have provided the tables containing all of the data from the entire database below the questions. I'm using mySQL Workbench as shown below. Example 1 Using IN Operator to create a subquery from two tables From your last assignment you should have a subquery that use the IN operator. Place
image text in transcribedimage text in transcribedimage text in transcribed

create a html website that does the following: Controls the app connected to it website is strictly for admins daily status regarding reports status and feedback should be available to add delete and suspend accounts etc.

Need help with algorithms(in detail) on JavaScript please 1 Divide and Conquer Sum In the lectures, we've covered merge sort, which uses a divide-and-conquer ap- proach to sort an array of values. There are many more algorithms that take such an approach. Implement a function that computes the sum of an array of integers using divide and conquer.
image text in transcribedimage text in transcribed

C++ Program: The following program reads one character from the keyboard and will display the character in uppercase if it is lowercase and does the opposite when the character is in uppercase. If the character is a digit, it displays a message with the digit. // This program reads one character from the keyboard and will // convert it to

The number of bits needed to represent each pixel in a black and white ( i . e . two colors only ) image is

Implement a recursive reverseString in C + + function like the one in the pdf ' s videos, but with a twist. You are no longer allowed to print out the last character in s . You are, however, allowed to print out the first character in s , i . e . s [ 0 ] . First, make one change to the function so that it prints out the first character in s , s [

Problem 3. TeamLeader Class In a particular factory, a team leader is an hourly paid production worker that leads a small team. In addition to hourly pay, team leaders earn a fixed monthly bonus. Team leaders are required to attend a minimum number of hours of training per year. Design a TeamLeader class that extends the ProductionWorker class you

Exercise 9 Define a helper filtering function to copy all the numbers with a provided interval [low, high) from a list of numbers. In other words, given a list of values and the extent boundaries -- low and high, you will create a list keeping the val items in the list where val >= low and val
image text in transcribedimage text in transcribed

How is artificial intelligence ( Al ) currently being used? In financial trading, to prevent excessive loss In hotels, to replace the need for maid service In spaceships, to travel across galaxies In satellites, to control the weather
image text in transcribed

Examples of company - wide applications, called legacy applications, include order processing systems, payroll systems, and company communications networks. Group of answer choices True False

function [h,n] = bpw(wl, wu, len, win); % [h] = bpw(wl, wu, len, win); % % Creates a causal FIR bandpass impulse response using the windowing method % % wl Lower Cutoff (Radians): wl = [0,pi] % wu Upper Cutoff (Radians): wh = [0,pi], wh>wl % len Length of h (should be odd) % win 'bart', 'blac', 'hamm' 'hann' or 'rect' % ==> (Bartlett, Blackman,
image text in transcribedimage text in transcribed

mobily 1:08 PM 1 42% Back CO-Assignment#4.pdf R+ Computer Organization (CE-313) Assignment # 4 Last date of submission: 30-NOV-2017) QUESTION NO.1 Write the program to evaluate the arithmetic statement A + B-C"(D-E*F) X = (a) Using general register organization with three addresses (b) Using general register organization with two addresses (c)
image text in transcribed

Q1. Consider the interrupt mechanism discussed in class with the following modification. On occurrence of the interrupt, the hardware will load only the new PC value (from the interrupt vector), and not the PSW value. A special machine instruction is provided, which would load the new PSW value (corresponding to the most recent interrupt that has
image text in transcribed

What factors determine whether a database can contain duplicate records without negative effects, and what are some examples of contexts in which having duplicate records could be a problem?

1. Write the integer 1245090 in standard factored form. Include the binary tree
image text in transcribed

Good morning! I am working this morning on a python assignment that is dealing with exception handling. I have written a program that works for the good data file (numbers.txt in program) but throws a syntax error about non-numeric data(numbersBadData.txt) instead of the exception handler working. The program correctly sums and averages the

Design DFA For languages over { 0 , 1 } , strings representing binary numbers divisible by 7 . Like 0 0 0 , 1 1 1 , 1 1 1 0 etc.
image text in transcribed

Write the Name and their IEEE Standard Code for the two most widely used wireless technologies available for wireless networking.
image text in transcribed

C++ write a program that lets the user enter a charge account number. The program should determine if the number is valid by checking for it in the following list: 5658845 4520125 7895122 8777541 8456732 Initialize a one-detentions array with these values. Then use a binary search to locate the number entered by the user. If the user enters a

Several languages are spoken in India; let L be the set of all such languages, and let U be the set of all residents of India. Explain why the proposed function f : U L defined by f ( u ) = the language that u speaks is not well defined.
image text in transcribed

true or false, Early coding consisted of programs that followed a logical sequence.

How can i build this code with python? The file assignment3.txt will contain the following inputs: Line 1: An elementary function f(x) of the variable x, in the form of a string that can be converted to a SymPy expression. Line 2: An interval of the form [a,b] that contains exactly one root of f(x), where a and b are floating point numbers. Line

Lab 03 This lab gives you exercises with using two dimensional arrays of Java and practices with using methods that return arrays. What you should do is to download and complete the instructors program lab03.java: 1. Implement print2D(A) so that it prints out its 2D array argument A in the matrix form. 2. Implement add2Ds(A,B) so that it creates

Your task This "project" is more like one of the accompanying homeworks. There are five problems. In the problems that ask you to change code, make the few changes necessary to fix the code without changing its overall approach. For example, don't fix the program in problem 1a by changing it to int main() { cout < < "1000 100 10 1" < < endl; }

QUESTION 1 1 point Questions 1 - 10 uses the following Class Diagram: IL Der ng Det @A Couple - 1 - C- Ang . CouponFor Pizza data fields are preceded by tildes get Area method for Shape class is in italics. Which of the following would be the class declaration for Shape? 3. public class Shape (...) public abstract Shape CouponFor Pizza data fields
image text in transcribedimage text in transcribedimage text in transcribed

Khalid likes prime numbers. However, there is one thing he loves even more. Of course, it's semiprimes! A semi-prime number is an integer which can be expressed as a product of two distinct primes. For example, 15=3515=35 is a semi-prime number, but 11, 9=339=33 and 55 are not. Khalid is wondering how to check if an integer can be expressed as a

Which of the following is the default numerical data type in MATLAB. Group of answer choices decimal real number integer double

Please answer asap Using the information in the table below, assuming that the project team will work a standard working week (5 working days in 1 week) and that all tasks will start as soon as possible. Draw the project network diagram. What is the planned duration of the project in weeks? Identify the critical path of the project
image text in transcribed

Qs1 Develop ha window form based application using c# that utilizes one of the com object and display its complete functioning to the user form example window media player if you include this in ur project your project this object should be able to upload the file nave-gates the file and play different type of file?? Qs1 Develop ha window form
image text in transcribed

Which of the following statements are TRUE? Check all that apply Group of answer choices Methods are NOT considered process abstraction because they are used in object - oriented languages Abstract data types are called parameterized, if the operations defined for that type involve parameter passing A user - defined abstract data type should hide

1.0 1 0.8 0.6 0.4 0.2 0.0ooooooo^t 0 20 40 60 80 100 3. If Rb, 1 and are known, figure out the value of N check google for latex math symbols.. 4. For above given parameters, to keep the same -0.1s, use Python to plot the curves of versus N where N varies from 100:1000. Explain the curve you plot. In [ 1: 1.0 1 0.8 0.6 0.4 0.2 0.0ooooooo^t 0 20 40
image text in transcribed

Please HELP! Data Structures JAVA Assignment: Create a Queue of type Vector2D to manage the movement animation Populate the first Queue (vecs1): Provide the code in the start() method. The purpose of the start method is to set up data before the game loop begins. Inside of this method, set up your coordinates for the vector Queue. You can use a
image text in transcribedimage text in transcribed

using c++ Define class Sales that has the following: private members: 1. int* sold_items: points to an array of integers. Each element in the array represents the number of sold items in a day. The default value of any element in the array is 3. 2. int sales size: it is the size of the sold items array, it represents the number of days on which
image text in transcribedimage text in transcribedimage text in transcribed

In the CFG below, show common expressions that may be shared. Label them the common subexpression can be LVN value numbering with the common subexpression can be super-local (EBB) value ected with the common subexpression can be value ected with the common subexpression can be e expressions (DFA) detected with y-m+n g=c+d a-y+z q-g+h -e+f b-g+h
image text in transcribed

C language Question Completion Status: 9 11 12 Save AU 3 6 7 100 SCHICK SUDmit to complete this assessment 86 Question 12 of 12 Question 12 8 points Write a program that computes the average temperature of jeddah over one week. The user must be prompted to enter the temperature of seven days, one at time If an entered temperature value is less
image text in transcribed

Which of the following statements about function declarations and function expressions is NOT true? The JavaScript interpreter hoists all function declarations to the top of the scope that calls them. Function declarations cannot return a value. Function declarations can be coded after the statements that call them. Function expressions must be
image text in transcribed

Select ONE regular expression from the list of items given that describes each of the following languages Hint: Every one of these questions has an answer in the list of choices. Sometimes the answer is not totally simplified so you might have to think about them for a little bit. Example: a } {a,aa,aaa, aaa,}
image text in transcribed

The program currently accepts a celsius temperature from the user and converts it to the Fahrenheit equivalent. It then asks the user whether or not they would like to enter another temperature or terminate the program. I want you to modify the program to include the following features: (1) Ensure that the user is only allowed to enter a celsius

The function header and the calling statement must contain the name and data type for all of the arguments. true false

Lab 3 . C More Addressing Modes DESCRIPTION The goal of this experiment is to continue the study of memory partitions and addressing modes. This is accomplished in the same manner as Closed Lab 2 by creating specific items in memory and then executing instructions which operate on those items. The following information represents memory setup and

QUESTION 4 This can be shared between scripts or programs, begins with $ , and is usually represented in UPPER CASE only Share Condition Variable Environment variable None of the above are correct
image text in transcribed

Please Show all the steps and explain. C++ OR Java Please do not provide the answer that's already in chegg. Qn4 (12 points, 2 points each) How many times will each of the following loops execute? What is the output in each case? (a) x = 5; y = 50; do x = x + 10; while (x = y); System.out.println(x + + y); (d) x = 5; y = 35; while (x y) x = x + 2;
image text in transcribed

Call the script command to log all your activities Find out the system date and the time of day. Determine how many people are currently logged onto the system. Show what shell is running Type cnt d to exit the script command Send the type script file to the printer using the lpr command logoff the system Put your name and lab number 1 on the

What is SAP Graph used for in the context of the SAP One Domain Model? O To monitor the SAP Cloud Platform Master Data Integration service To change existing API specifications O To understand how ODM-based APIs expose resulting data sets To build new domain models
image text in transcribed

Q2.Imagine you are presenting your ideas for a diary tool on a smartphone to a small team of developers from the smartphone manufacturer. What type of Prototypes would you use?

Showing 1400 - 1500 of 1503
  • 15 / 16