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Databases Questions and Answers September 07, 2020

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how fo you do this python Write the class Point. This class takes 2 numeric values to store x and y Write the class Line that takes two Point objects and provides the distance and midpoint of the Line object. Both methods should behave like attributes when called in the interpreter, meaning they are property methods. Round the output of these
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Using Marie assembly language write a code using the JNS and JUMPI instructions, write a MARIE code that will take an input value from the user and cube it . Thank you
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10. What is the name of the GRUB2 configuration file that is generated on a UEFI system? a. /boot/efi/redhat/grub.cfg b. /boot/efi/EFl/redhat/grub.cfg c. /boot/EFl/grub.cfg d. /boot/EFI/efi/grub.cfg
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If the Snort IDS captures the IP packets off the LAN segment for examination, is this an example of promiscuous mode operation? Are these packets saved or logged?
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9 1 point Given that the ASCII codes for 'A' through 'Z' are x41 through x5A; and the codes for 'a' through 'z' are x61 through x7A: which of the following operations would force the character stored in RO to upper case - i.e. convert a character stored in RO from lower case into upper case, or preserve the case if it was upper case already (soa
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a. Give an example of any software development where you will prefer microservices to microkernel architecture. Explain your reasons and also make a comparative analysis between these two architectures. (CO1) [8] b. Think about the authentication page of any modern website. Choose any four golden rules of Schneiderman and explain how you can

C# program 1- Create a new C# console application project. 2- Create a class named grid that represents a cartesian plane. 3- Create a method within that class to check whether the points x and y that you want to plot are within range. 4- Create a method to check which quadrant the points x and y are in. a Points x and y are hardcoded integers. 5-
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C++, please! You're planning a weekend in the great outdoors! You realize you need to buy supplies, so you go to the store to get a price quote (as seen below): Sport Equipment Price Mountain Bike $500 Biking Road Bike $400 2-Person Tent $200 Camping 4-Person Tent $300 Summer Boots $100 Hiking Winter Boots $150 Bouldering Pad $100 Rock Climbing
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Which US university has the top engineering program?

The SHIPMENTS Table for a car part company captures the data about car part shipments. Each shipment has a unique Shipment ID and a Shipment Date. Each shipment is shipped on one truck. Each truck has a unique Truck ID and a Truck Type. Each shipment can ship multiple products. Each product has a unique Product ID and a Product Type. Each quantity

When we say we have an 8-way set associative cache this means that the number of sets is 8. Select one: O True O False
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Why does an enterprise need an enterprise frame work and how would they determine to use TOGAF, Zachman, Reynolds Enterprise Framework, SMART or another reference framework?

Write a functional C++ program to display the following output: Given a rod of length n inches and a table of prices p i for i = 1, 2, ...,n, determine the maximum revenue r n obtainable by cutting up the rod and selling the pieces. Note that if the price p n for a rod of length n is large enough, an optimal solution may require no cutting at all.
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The table below lists the maximum time required to complete all activity performed in each of the five stages within our MIPS pipeline: Pipeline Stage Time required Fetch 6.25 ns Decode 4.5 ns Execute 5.5 ns Memory 6.25 ns Write-back 2ns What is the maximum clock rate that can be used for this pipeline?

2 - D Area Using MATLAB Imagine that you are given a collection of k boxes on the ( x , y ) - plane, assumed to have their sides aligned with the axes; an example with k = 3 appears to the right. The goal for this problem is to compute the total area covered by the union of the boxes, without counting any overlap more than once. Write a program to
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-Task 4.3 Well that was pretty tedious. So let's simplify things a bit. We are going to combine all three robots into a single Robot class. The Robot class is already started for you. Do not change what is already there, just add what is missing; once again copy-paste is your friend. Some things to note: 1. In Robot.java , we want all of the
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Syntax for creation of user defined function is _ _ _ _ _ _ _ _ _ _ _ _ ( 1 Point ) CREATE FUNCTIONS CREATE FUNCTION CREATE FUNC All of the mentioned

Consider the job schedule given in Figure 3. What is response time of the first job J 31 ? What is response time of the first job J 32 ? The response time of a job is defined as the length of time from the release time of job to the instant when it finishes. T1 (30, 100 T2 (60, 15) T3 (90, 20) 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160
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(1 point) Ken and Billy both live in the same neighborhood, and work at the university. Ken drives to work, Billy rides his bicycle. You - a budding statistician - have been asked to settle an argument. Ken believes that more often than not, his commuting time via his drive is less than Billy believes that this is not so, due to traffic volume and
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In a relational database, a table s design should be as simple as possible. true or false

USING C++ Programming #5C: A better birthday validation program We want to redo the leap year and date validation task in Program #3 by defining and calling functions for date validation and checking leap years. Compared with what you did in Program #3, it should make the program much more compact and easy to understand. See the suggested layout

solve by using python Problem 12 Part A (10 points) Write a function named stair() t hat takes two parameters: Input: t -- a turtle treadSize s tair () should draw a rectangle, the long sides of which are of length treadSize and the short sides are of length treadSize/4 (see illustration below). Part B (10 points) Write a function named stairs()

mass= 15 kg damping coefficient=100 Ns/m stiffness=1500 N/m THIS IS TO BE DONE MATLAB ONLY GIVE FIGURE AND CODE NO WRONG OUTPUT GENERATE ROOT LOCUS PLOT

Explicitly write the following LC3 code. Do not write in AVR assembly, write in LC3 assembly In this problem, you will write a LC-3 assembly code that removes blank spaces from a string. Assume that the string starts at memory location Ox5000, and is terminated by a 10 character (ASCII value 0). Your program should store the modified string in the
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Which statement is true after the execution of the following statements? DECLARE Integer x = 5, y = 9 SET x = y SET y = x x and y swapped their values y contains the value in x and x stayed the same None of these x and y contain their original values x contains the value in y and y stayed the same

What is the relation between artificial intelligence and human-computer interaction software? What universities and high-tech companies are at the forefront of AI and HCI?

An activation record will be popped off the function call stack whenever: Select one: a. A function returns control to its caller. b. A function calls another function. c. A function calls itself. d. A function declares a local variable
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Please answer the 4 multiple choice questions below: On multi CPU systems (systems that can run more than one thread in real time), atomic execution of a code path minimally requires: A spin lock O A barrier instruction A monitor A sequencer A binary semaphore Each thread in the system belongs to (is an attribute of) only one address space. Which
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artificial intelligence research Water jug problem with python code

Write a program that reads text from a file. Create a 2 - dimensional character array that is rows * columns. Fill the array as follows: - On even numbered rows, fill the row from the leftmost column to the rightmost. - On odd numbered rows, fill the row from the rightmost column to the leftmost. - Fill any unused spaces in the 2 D array with the

1. a semaphore with count value k implies that there are at most k processes waiting on this semaphore's queue. True or False? 2. Monitors are superior to semaphores in that they avoid programmers' errors in forgetting to signal a semaphore or signaling the wrong semaphore. True or False? 3. Compilers must understand the concept of Monitors to

1 . R programming: The first task is to write the code to implement the K - Nearest Neighbors, or KNN , model from scratch. We will do this in steps: Write a function called euclidean _ distance that calculates the Euclidean distance between two vectors. There are two input arguments for this function: vector 1 ( vec 1 ) , and vector 2 ( vec 2 ) .

For the diprotic weak acid H_(2)A,K_(al)=3.5\\\\times 10^(-6) and K_(a2)=8.3\\\\times 10^(-9) . What is the pH of a 0.0500M solution of H_(2)A ?\ pH= 3.37\ What are the equilibrium concentrations of H_(2)A and A^(2-) in this solution?\ [H_(2)(A)]= 4.9 *10^(-2) For the diprotic weak acid H2A,Ka1=3.5106 and Ka2=8.3109. What is the pH of a 0.0500M
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Consider the linked list: front - > 2 - > 5 - > 6 - > 1 - > null

Assume we want to train the parameters of linear regression using gradient descent. Assume the training data has two attributes x1,x2 and one target variable y. The data is given as (x1,x2,y). Find the updated parameters after one step of gradient descent with a learning rate of 0.01. Initial parameters are w1=0.5,w2=0.5, and b=0. Traning data is
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Some new techs at your office are confused by the difference between a NICs frame and a routers datagram. Describe the relationship between the frame and the datagram. Be sure to reference the OSI layer and addressing for each type of packet. please Summarize the answer"

Evaluate the following polynomial at x = 3.17 y = x^3 - 5x^2 + 4x - 0.15 (b) Repeat (a) using 3-digit arithmetic with rounding after each mathematical operation. Consider raising to a power to be one operation. Evaluate the true percent relative error. Refer to the text for the definition of true percent relative error. (c) An alternate expression
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netbeans why wont my code disinclude the smallest value public class example { private int[] labScores; private int[] examScores; private String firstname; private String lastname; public final int Lab = 3; public void setFirstName(String myFirstName) { firstname = myFirstName; } public String toString() { return "Student " + firstname + " " +

In sequential execution, statements are executed in random order. executed repeatedly. executed one after another. only if clause statements are executed. O
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Write a C++ program that prompts the user for a time in military format and return the equivalent time in standard English format. Thank you in advance

Assignment 10 In this assignment, we will work with linked list and operator overloading. Define a class LinkedList and making 2 linked lists. Combine the two linked list to make the third linked list. For each node of the linked list, it will contain 2 data type, a string for student name, and a four-digit integer for the RUID (random number).
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Which of the following terms is used to describe that a IP address has been manually assigned? Static assignment ARP assignment Dynamic assignment DHCP assignment
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Data Structure Suppose you are given an implementation of a stack of integers. The operations that can be performed on the stack are: i. isEmpty (s) - returns true if the stack is empty, false otherwise. ii. delete (s) - deletes the element at the top of the stack and returns its value. iii. insert (s, i) inserts the integer i at the top of the
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....... 1. Remind the learners that they are living in the 21" Century, where people are dependent on technology 2. As the leamers to imagine waking up one day to find no Internet, libraries, and cell phones. Newspapers, magazines, radio stations and TV channels have also disappeared. 3. Call on learners to answer the following questions: . How
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Sublist 3 r is written in Java true or false

What kind of rootkit replace the boot loader with one controlled by the hacker?

The next 3 questions use the following boolean expression: T = ((NOT A ) AND (((NOT B ) AND C ) OR ( B AND C ))) OR ( A AND (((NOT B ) AND C ) OR ( B AND C ))) 1. Complete the truth table for the circuit. You may copy this table to fill out. A B C T 0 0 0 0 0 1 0 1 0 0 1 1 1 0 0 1 0 1 1 1 0 1 1 1 2. Given a computer with 10-bit addressability and

Computing and other electrical equipment used in areas where water can accumulate must be uniquely grounded using _ _ _ _ _ _ _ _ _ _ equipment.

what story can i tell in Visualizing & Analyzing Data with R with the following dataset. this is the assignment i need the story for: he United States has resettled more than 6 0 0 , 0 0 0 refugees from 6 0 different countries since 2 0 0 6 . In this assignment, you will use R , ggplot to explore where these refugees have come from. Feel free to
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10 points 2) For the list shown below, demonstrate the following sort: 5, 2, 4, 5, 7, 8, 8, 7, 4, 2, 5 Bucket sort (as slide 57)
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The main purpose of adding a second level cache is to decrease the miss rate of the upper level cache. Select one: O True O False When executing a store word instruction the word is written in cache and main memory at the same time when
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Phone numbers and PIN codes can be easier to remember when you find words that spell out the number on a standard phone pad. For example, instead of remembering the combination 5282, you can just think of JAVA. Write a recursive method that given a number, yields all possible spellings (which may or may not be real words). Please use the file

convert to matlab code! #include using namespace std; int main int imax 0, n 30; double error, y, x 0.5, h 1, emax 0; for (int i 1;emax) ( emax = error; imax i printf("max error index: %d, value: %fin", imax, emax); return 0
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GOOD LUCK! CHEATING IS A MAJOR OFFENSE. COMPARING QUESTIONNAIRES IS CONSIDERED CHEATING. Question 1 The figure below shows the possible routes from city A to city M as well as the cost (in dollars) of a trip between each pair of cities. A traveler wishes to find the lowest cost option to travel from city A to city M. Formulate the problem in
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For an operation on a vector of data, CPE is defined as: Total clock time / # elements in vector Total # clock cycles / size of data type Average # clock cycles / # elements in vector Total # clock cycles / size of data type Total # clock cycles / # elements in vector
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What is the - R option used for in the chmod command?

Programming Fundamentals Briefly define (one to two sentences) each of the following ten terms. Assignment Class Method Syntax Comment Operator

Answer the following using c++ 1) (8 points) Write the class Point. This class represents a (x, y) point in two dimensions. It should have x and y as integer instance variables, and it should have a constructor that initializes those variables and a destructor. You should also overload the following operators . operator+ takes another Point
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18) Which of the following statements about aggregate planning is true?: a) Aggregate planning is short-range planning b) Aggregate planning is intermediate-range planning c) Aggregate planning is long-range planning d) None of the above 19) It is the cost of switching a production line from making one product to making a different product a
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it is all one question, meg Create a folder on your desktop and give it the name your student sumber 345667) Open a spreadsheet and save it in the folder you have created above as 'Teymur Key the data in the table below in short of the spreadsheet Payroll and answer the questions that follow. (Note: You are at liberty to use font sizes and styles
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Write a Python program which calculates the Wiebull distribution as it varies with either the scale or shape parameter; i.e. if varying in scale, use a fixed value for the shape parameter and vice versa. Your script should also plot the distribution as shown in the figure at the end. Wiebull Distribution The Wiebull distribution can be used in
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Can someone help me write a matlab code that finds probability of full house of a poker hand this is what I have function FullHouse clear all clc % Below is a matrix modeling a Deck of Cards. Deck=['AH';'2H';'3H';'4H';'5H';'6H';'7H';'8H';'9H';'TH';'JH';'KH';'QH';.... 'AS';'2S';'3S';'4S';'5S';'6S';'7S';'8S';'9S';'TS';'JS';'KS';'QS';....

python please help I need help trying to convert this code into a GUI-based program. code to copy class item: def __init__(self,name,wholesale,retail,no_of_times): self.name=name self.wholesale=wholesale self.retail=retail self.no_of_times=no_of_times def __str__(self): return f"{self.name} {self.wholesale} {self.retail} {self.no_of_times}"

What is orphan process in C

I need this in C++ I need to create an employee class with the following specification: public: Employee(char[],char[],float); //Constructor float CalculatePay(float,int); //Procedure float getGrossPay(float,int); //Procedure float getNetPay(float); //Procedure void toString(); //Procedure int setHoursWorked(int); //Procedure float

Consider the rdt 3.0 protocol. Draw a diagram showing that if the network connection between the sender and receiver can reorder messages (that is, that two messages propagating in the medium between the sender and receiver can be reordered), then the alternating-bit protocol will not work correctly (make sure you clearly identify the sense in
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Consider a Multilevel Feedback queue scheduler with three queues, numbered from 0 to 2. Show how to schedule the following processes. Qo - RR Scheduling, Quantum =15 Q.- RR Scheduling, Quantum =25 Q2 - FCFS Process Burst Time Arrival P 45 0 P2 18 0 P3 60 0 P4 30 0
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You can compare elements of different types like ArrayList and LinkedList using the Comparator interface True False
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This program is a java program where the main point is to build a little on-line food shop. Try to use methods to complete functions. Program requirements: A food market store invites you to help them build an on-line food order program. Customers can use this program to order food on-line. The program should include at least 4 functionalities: 1)
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Hello, I'm in need of some help. I have a program almost done and I could use some help to finish part of the requirement. I already have the first one done, its the second one I don't have done. Pretty much the program takes in numbers from the users, allows us to save the list made, and able to load the list back up. But it is also supposed to

1. a) Write a program in MATLab to generate N-pairs (ui, vi), 1 i N uniformly distributed in the range [0, 1). Plot these N pairs on a unit square where the ith point has coordinates (ui, vi), where 1 i N and N= 103 . Please Provide Matlab source code and the figures it produces. Thank you!

Question 1 9 Which of the following is a value that can be stored in a Bit? & 9 A 0
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Which is not an authentication factor used in multifactor authentication? username iris scan password PIN
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Elimination of data redundancy is the major goal and benefit of using data normalization techniques. True False

mutexes in both programs. - You need a flag variable shared among the writer and readers to indicate if the writer is waiting. Call it the writer_waiting flag. - You need a private variable in the reader process, call it i_kept_writer_waiting, so that a reader can remember when starting its next iteration that the writer was waiting when it was
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Java project 1. Write a program to simulate the WaitLine for customers waiting for their turn to speak with a representative in a customer care department. 2. Write a program to simulate a train route. A train route consists of a number of stations, starting and ending with a terminal station. The time that the train needs to travel between a pair
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I need to do a merge sort of pipes and forks and it works but I ls | grep .c with grep command it is not working.. can you check what is wrong with this? also .. can you guys help with this working with three pipe? Unix script!!!!!!!!!!!!!!!!!!!!!!!!!!!! #include #include #include #include #include #include #include #include #include static char*

Question 1 1 pts The number 12347 in base 10 is O 202 194 302 O 466 Question 2 1 pts The number 201010 in base 7 is O 7612 none of the answers 31020 O 5601 Question 3 1 pts Convert 8210 to 8-bit two's complement representation. 01010010 010101110 O 01001001 11010010 Question 4 1 pts Convert OXABBA to binary. 1010101110111010 1010101100111010
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Question 19 1 Point Organizations need to make software effort and cost estimates. There are two types of technique that can be used to do this: distribution of system, size estimate B experience-based techniques, algorithmic cost modeling C) empirical model techniques, project experience
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Java using IntelliJ Loan Payments Problem I am trying to solve: Write a program that calculates the monthly payments you would have to make over a given number of years to pay off a loan at a given interest rate compounded continuously, taking the number of years t, the principal P, and the annual interest rate r as command-line arguments. The

Write the Guess Game Program in python In this game the user tries to guess a mystery number ( randomly generated ) . The computer tells whether the guess was too high or too low. The user continues guessing until she gets it right. Once you have this coded, make the computer lie 1 0 % of the time! ( But when the guess is correct, the computer

EXERCISE 2 List all strings of length 3 or less in each of the following languages: a. {a)" b. a, b* lxyxe al* and y e lbl
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Hey I need help with the reset of these questions its due at midnight please help I have posted the questions first then all my code afterward its in python: Q1: Q1countinued: Q2: Classes first: A1 Code: Section 7: Reading Student Result Data (5 marks) You are required to complete the read_student_result(lab, class_list) function which takes an
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1 A four - state finite state machine has the following behaviour as shown in the table below where some of the entries are missing. The states are labelled 0 0 , 0 1 , 1 0 , 1 1 and the output of esch stateZ or 1
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hello, please, I need to create the MARS algorithm Multivariate Adaptive Regression Splines (MARS) using machine learning with more than one column for time series, find the r2 score and split the data to train and test. and R2 for test data using python please

OPERATING SYSTEM SHELL SCRIPTING IN LINUX QUESTION No. 03 (18) Fig 2 shows the basic hierarchy of the files. Input (read) the name of the Main Directory In the Main Directory there are multiple directories Dir_1, Dir_2, ....... Dir_N. In each subdirectory there are multiple files with different extensions. Now insert a loop that takes a string
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Operating System c) Consider a system where the memory page size is 2KB (2048 bytes), and main memory consists of 4 page frames. Now consider a process which requires 8 pages of storage. At some point during its execution, the page table is as shown below: Frame Number Page Number Present Bit 0 0 1 0 2 1 1 3 0 4 1 3 5 0 6 1 0 7 1 2 i) List the
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Define a function read _ data that accepts a single argument corresponding to the filename, and returns a list of lists. You can find an example file to work within the Brightspace and the startercode section of the Vocareum Each line in the data file follows this format: [ Name ] , num 1 , num 2 , num 3 . . . . Ben, - 1 , 2 . 3 , 4 . 1 , 5 . 2 5

I'm stuck in creating this windows form. Any help in creating the appropriate conversions would be helpful. I'm not sure how to code in order to link my forms together as shown below. In this exercise, youll add a second form to an Invoice Total application that lets the user change the sales tax percent. Open the project and change the name of
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Task 1 : Distributed Database Design ( 3 0 % ) Happy Cruise Lines is a cruise company with several ships and a variety of cruise itineraries, each involving several ports of call. The company headquarters is in New York and has regional offices in the cruise port cities of Miami, Houston, and Los Angeles. The company maintains information on

0. Introduction. This assignment asks you to write two recursive Python functions that take other Python functions as their arguments. 1. Implementation. Define and test these two Python functions. You must use recursion to define them: you are not allowed to use loops or variables. Also you are not allowed to change list elements. Both these

Please help me with these two SQL queries 1. Give a list of Manufacturer names and IDs for manufacturers which only provide products valued over $30, i.e. whose cheapest product's list price is over $30. (Hint: Use a correlated subquery) 2. Give a list of customers (IDs and Names) whose purchases during the month of January 2014 were always the
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switch statement for a sale. - The cost of the items being purchased is stored in subTotal, a variable of type double. - A variable customertype, of type char, has the value ' N ' for normal or ' G ' for government. Customers of type ' G ' do not pay sales tax. - The sales tax rate is stored in a constant named TAX_RATE
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I need this in C++ language please Suppose a string variable fullName contains last name of a person, followed by a comma, space, and first name Write to the screen a line containing a greeting Hello !, where is the first name taken from the fullName variable. So, if fullName contains Doe, John, you should print Hello John!.

I need help with this code. I am trying to do strict alternation but instead of doing it that it just print 10 for thread 1 and 10 for thread 0. Here is my code #include #include #include int count; int turn = 0; void* myFunction(void* arg) { int actual_arg = *((int*) arg); for(unsigned int i = 0; i // HINT: It is not necessary to make any changes
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Wireshark Lab: UDP v8.1 Supplement to Computer Networking: A Top-Down Approach, 806 ed., J.F. Kurose and K. W. Ross "Tell me and I fonget. Show me and I remember tholve me' and / undersierd. "Chirese proverb C 2005-2021, J.F Kurose and K. W. Ross, All Rights Reserved In this lab, we'll take a quick look at the UDP transport protocol. As we saw in
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The _ _ _ _ _ _ _ _ of a node is the minimum number of steps required to reach a node from the root. Layer Depth Density Leaf

3. What layers of the Internet protocol stack do routers have? to Draw show. diagram (4 points) 4. Suppose Host A and Host B each sends a TCP segment to Host C with destination port number 5001. Will both of these segments be directed to the same process at Host C? Explain why. (4 points)
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Create a stroop experiment demo using Psychtoolbox / MATLAB At the end of the script, write code to analyze the reaction time and percent correct for each condition. Create a variable called meanRT with 2 rows (congruent and incongruent) and 6 columns (for each of the 6 words), storing the mean reaction time for each condition averaged across the

Perl Scripting Using Linux Ubuntu Terminal: 1. Write a script to create the following directory structure in a directory of users choice. The user can supply this input asanargument; if not, prompt the user to enter onefrom the command line. Take two screenshots: a)Display the source code in an editor b)Execute your script in the terminal, and
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