Databases Questions and Answers August 06, 2021

std::cout < < std::fixed < < std::setprecision ( 2 ) ; / / Set fixed - point notation and two decimal places std::cout < < "Amount in Japanese Yen: " < < yen < < std::endl; std::cout < < "Amount in Euros: " < < euros < < std::endl;

Check the network operation tools manual and options, and try to do some terminal exercises. Main tools include: ip , ifconfig, route, netstat, ping, nslookup, traceroute, wget, iwlist, iwconfig.

5. Amazon.com allows users the ability to create wish lists to track the items that they wish to purchase in the future or that they may share with others. This is an example of what? a. Customer Relationship Management b. Supply Chain Management c. Customer Managed Interaction d. Customer Service Life Cycle e. Customer Loyalty Program 6.

Algorithm A: Algorithm B: Algorithm C: long sum = 0; sum = 0; sum = n * (n + 1) / 2; for (long i = 1; i

Information Management Systems - Expert Systems An expert system is A a computer that can answer questions like a human expert B a group of scientists who design computer programs C a method of producing new words D a computer that can feel emotions

Python unit test Can anyone help me to add 2 unit test in the test web file for the any classes in the user file or form file? i appreicate it. User file """ User classes & helpers ~~~~~~~~~~~~~~~~~~~~~~ """ import os import json import binascii import hashlib from functools import wraps from flask import current_app from flask_login import

Question 3 What is the goal of mandatory IT security training for an organization? Check all that apply. 1 point To educate employees on how to stay secure To punish employees with poor security practices To build a culture that prioritizes security To avoid the need for a security team

1) Write an expression that whose value is the fifth character of the string name. Please use C++ and explain. Thank you. My answer was incorrect ----> name.charAt(4)

1 ) identify each one of the relationships that are present in the diagram, list all of them. 2 ) For each one of the relationships listed above describe what order they are ( binary, ternary, n - ary ) 3 ) For each one of the relationships listed above describe which ones are one to one, one to many and many to many 4 ) For each one of the

Please solve this for composite/decorator design pattern. Suppose you are a software designer for Connie's Pizza Parlour. Connie's Pizza Parlour has several menus (at this time: salad, pizza, wrap, appetizer, lunch, dinner, evening, dessert). Menus may be combined: for example, the lunch menu comprises the salad, pizza, and dessert menus (a menu

1. Factorial Program - Addons and Mix-ins The factorial program is fine-we all understand its construction - we walked thru it in class I'd like for you to design your own "add ons" to this program to .... o practice using vectors to manage inputs (so you can learn how to run experimental "cases") O run multiple cases (nested for loops) O pass

How much data does the receiver typically acknowledge in an ACK? Can youidentify cases where the receiver is ACKing every other received segment ( seeTable 3 . 2 on page 2 5 0 in the text ) .

In Disk scheduling, the seek time is the time for the disk arm to move the heads to the cylinder containing the desired sector. Consider the following disk access request queue: 9 5 , 1 8 0 , 3 4 , 1 1 9 , 1 1 , 1 2 3 , 6 2 , 6 4 with the Read - write head initially at the track 5 0 and the tail track being at 1 9 9 . Show the sequence and the

in the packet tracee do i need 3 routers in total or put router in each floor

Students will work in teams of 3 or 4 to produce a project report on a bioengineering topic of their choice. The names of the members in the teams should be sent to the instructor via e - mail. The topic must be approved / accepted by the instructor ( suggestions might be discussed in class, via e - mail or at instructors office ) . ( 1 ) Explain

Help with Java please: Create a new Class that "is an" Exception Call the base (super) constructor with the same message, but append " - my exception" to the text Create a main function in a driver class Inside a loop, call a function to prompt the user to input miles driven and gallons used If either number is negative, do not add the values to

2 . The syntax of the Dinosaur language is quite simple, but only True Dinosaurs can speak it without making mistakes. The alphabet of the language is { a , b , d , # } where # stands for a space. The grammar is - > | # - > | - > | | a | a - > a - > b | d Below are statements from a list of speakers. Which of the speakers are not a true Dinosaur ?

Splunk is tool use for SIEM soultion? true

The sequential search examined all values in an array until it finds a match or until it reaches the end A binary search is generally more efficient than sequential searchesA binary search generally takes more comparisons than binary search A binary search is always faster then a sequential search

An Excel worksheet is being used to record employee data for a small company. The mailing address for each employee will be entered into the first five cells of each row beginningin column A . The range A 1 :E 2 5 has been highlighted. Which of the following is the most appropriate command to use for this project? Merge Cells Merge & Center Merge

It is recommended that programmers avoid using _ _ _ _ _ _ _ _ variables in a program whenever possible. Question 4 8 options: A ) string B ) keyword C ) global D ) local

Answer the question with C++ OBJECT ORIENTED PROGRAMMING. (don't copy the code already present on chegg ,I need a unique code it's for semester project) QUESTION 1: "Audio Players" are defined as a media player explicitly designed to play audio files, with limited or no support for video playback. An In-car audio player is an audio player among

1 . Go to land1.com to find out what it would cost for a domain name and a basic website. When asked for a desired web address, give a made-up name (not one you might want to buy later on) and see what it would cost to register the name for the different top-level domains (.com, .net biz, etc). Also price the business websites to see what is

I need to write a program based on two finished programs (listm.py and setunion.py) to implement the intersection operation between two sets of list. The program should not use the Python built-in list and set related functions and operations. here is listm.py here is setunion.py I'm trying to finish it like this(modify setunion.py and open a new

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Which Automaton can t accept palindromes? * 1 None of the mentioned 2 Finite Automaton 3 Pushdown Automaton 4 Turing Machine

Part II: Using either the method of truth tables or the method of truth trees, determine whether the following argument forms are deductively valid or invalid. Be sure to include all of your justifications when you use truth trees - failure to include you justifications (i.e. rule and lines rule as applied to) will result in no points for the

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Advanced level school Python programming. need helps 4 In a computer game, a player ("") moves around a maze measuring 10 metres by 11 metres to collect a prize (" P "). The prize is placed at a random position within the maze. The prize position is not where a wall ("X") appears in the maze. An empty position is indicated with a full-stop (".").

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Which of the machine learning algorithms accuracy can be calculated by just looking at the counts in each class? a ) J 4 8 b ) OneR c ) ZeroR d ) Linear Regression e ) Support Vector Machine

A struct is a q , data type. a . primitive b . simple c . structured d . parameterized

Write the code by c++ and use pointers as well * design an Animal class, the class name is Animal Here are the requirements: In this class, it has 2 private variables. o myVoice o animalName In this class, it has 3 public functions o The 1st one is the constructor This is how it looks like: Animal(string, string); Since the Animal constructor

19. Consider the following ER diagram: ghi jkl def mno Betas Gamma abcAlpha of relational schemas and hod accurately portrays the re would result from applying the specified translation method to the diagram above? a) Alpha(abc,def) - Betas(abc.jkl,ghi) - Gammakl,mno)- using stable translation b) Alphaltedef-Betasabermno)-Gammadnojkl)-using

Which of the following statements is the BEST example of clear writing that avoids language confusing to readers? a ) Ping me when you're done herding cats. b ) Shoot me an email with your take on this when you have a chance. c ) Contact me when you're done giving instructions to your employees.

question related to system development life cycle 15. An offithe-shelf application that integrates the user GUl code with business logic is naid to be in violation of what design prisciple? a. Object responsibility b. Indirection c. Protection from variations d. Coupling

Write the SQL code to find the minimum and maximum Charge _ Hours from the Assignment table.

Question 4 Recommender System Consider a table with 4 user ratings on 8 items as shown below. userID / game WatchDog GTAV PUBG StarCraft CallOfDuty FIFA WOW MineCraft firechicken 3 3 4 4 2 3 mike 0 7 0 2 3 5 4 3 3 4 zephyros 4 5 2 1 dadvador 2 4 4 4 5 Treating the utility matrix as boolean ( buy or not buy ) , compute the Cosine distance between

Discuss a plan for a smart phone application. Describe what the application will do and tell why you would like to create the application. Will your application run multiple threads and what will each thread do in the application?

Select the correct usage of in - text citation in APA style. Question 2 3 options: Barks and Watts ( 2 0 0 1 ) provide an excellent outline of interactive classroom activities for addressing plagiarism in a cross - cultural setting. Debbie Barks and Patricia Watts ( 2 0 0 1 ) provide an excellent outline of interactive classroom activities for

List the six steps in estimating a cost function on the basis of an analysis of a past cost relationship in the correct order. Which step is typically the most difficult for the cost analyst? 1. 2. 3. 4. 5. 6

Which of the following statements is TRUE about workgroup information systems? Select one: A . They support 1 , 0 0 0 + users. B . They support 1 0 0 to 1 0 0 0 users. C . Data duplication among departments might exists. D . They are easy to change. E . They can be operated without training.

Based an the program above answer the questions: ( a ) A is an abstract class ( true / false ) ? ( b ) B is an concrete class ( true / false ) ? ( c ) C is an abstract class ( true / false ) ?

( a ) Represent the common form of each argument using letters to stand for component sentences. Original Argument Common Form If all computer programs contain errors, then this program contains an error. This program does not contain an error. Therefore, it is not the case that all computer programs contain errors. \ table [ [ If p , then q . . .

*Write in C programming language* Descriptiorn In this assignment, is similar to a core unix utility named seq. This program prints out a sequence of numbers, based on the configuration given as input. you will be creating a program that Details Your program's input will be given through the standard input, which means you can read the input with

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We use end - point authentication to determine with certainty the [ Select ] of a message. Authentication is needed because it is [ Select ] to hand - craft a packet with an arbitrary source / destination address and port number. This ability is known as [ Select ]

In Northwind database 2019: If the question states to use a subquery and a subquery is not used no credit will be given for the question. 4. List the OrderID, CustomerID, OrderDate, and Freight from the orders table for all orders where the freight cost is greater than the average freight cost. Use a subquery in the WHERE clause. 5. List the

Calculate the waiting time for each process and the average waiting time of the scheduling algorithm (Priority Scheduling w/ Round-Robin) All processes have an arrival time of 0 5.3.5 Priority Scheduling (cont.) Priority Scheduling w/ Round-Robin - Run the process with the highest priority. Processes with the same priority run round-robin -

Case Study: Online Bookstore Application Background: An online bookstore application allows users to browse, search for, and purchase books. The application features user account creation and management, a search engine for books, a shopping cart, and a checkout system with payment processing. Scenario: The development team has recently introduced

A program with the instruction mix given in the table below is executed on a computer. \ table [ [ Instruction class,Clock Cycles per Instruction,Number of Instructions ] , [ Branch , 3 , 1 8 %

Create an audit report that includes the following: A one - page summary of the general model performance information. From your summary, identify communities most needing public assistance for the COMPAS dataset.

Question 3 ( 6 points ) : Purpose: To reflect on the work of programming for Question 2 . Degree of Difficulty: Easy. Textbook: Chapter 3 Restrictions: This question is homework assigned to students and will be graded. This question shall not be distributed to any person except by the instructors of CMPT 1 4 5 . Solutions will be made available to

Suppose a 1 X computer can run n instructions in time t . A 2 X computer can run 2 n instructions in time t , etc. How much time would a logarithmic complexity algorithm run on a 1 X computer for a problem size n ?

What does the acronym 'CIA' stand for in cybersecurity? A . Confidentiality, Integrity, Availability B . Confidentiality, Integrity, Authentication C . Confidentiality, Information, Access D . Confidentiality, Internet, Availability

Please help me with the following question, i will upvote, thank you!! 1.For a standard array (non-C++ specific) containing 100 elements , what is the number of steps it would take to complete an : 1a. INSERTION operation at the beginning of the array 2b. DELETION operation at the beginning of the array 3c. DELETION operation at the end of the

(30 pts) Write a MATLAB function to implement Cramer's Rule for a system of 3 linear equations. Function receives matrix of coefficients A and right hand side vector b and returns vector of unknowns x. You are allowed to use det MATLAB function. Test your function using the 1st and 4th problems. Print your function and the output

CA4E4 (4 points-C++ Program Exclude any existing source code files that may already be in your IDE project and add two new ones naming C1A4E4 main.cpp in any other file but you must include CIA4E4 MaxOf.h in any file that needs its contents them C1A4E4-MaxOf.h and C1A4E4-main.cpp You may not include (#include) File C1A4E4 MaxOf.h must contain a

(b) Consider the following usability objective. Theatre booking clerks with low motivation, no computing experience and no previous training, working in a small and hectic box office, are able to learn to reserve or book seats within a one hour period. What measures could be taken and which techniques would you consider appropriate to test whether

1 Problem Description Instructions. You are provided one skeleton program named Graph2.java. The source ?les are available on Canvas in a folder named HW8. Please modify the skeleton code to solve the following tasks. Task 1 (100 pts). Implement the prim(int r) function as discussed in Lecture 18. Note: You should return an integer that indicates

2 5 At which OSI layer is a destination port number added to a PDU during the encapsulation process? data link layer application layer network layer transport layer

Use an IF function in cell H 1 8 to calculate the commission rate for the total sale for order 1 . The commission rate is 2 % for all sales that total more than $ 1 0 and 1 % for all sales that total more than $ 5 . No commission is paid on sales that total $ 5 or less. Reference the threshold levels ( cells F 1 3 and F 1 4 ) in your logical tests

A company interviewed 700 people and ranked them based on their qualifications. The highest score given is 3000 and lowest score is 500. The company is planning to hire 200 of these people with the highest scores. Write a pseudo code/ algorithm that is the most efficient in terms of complexity.

A program with the instruction mix given in the table below is executed on a computer. \ table [ [ Instruction class,Clock Cycles per Instruction,Number of Instructions ] , [ Branch , 3 , 1 8 %

Task 3: Random number sorting Algorithm Use the random python library to generate 100 pseudo random values from 20 to O and save it to a list. Use the following code to sort out this list from lowest to est. Remember that there is a random.randint(x,y+1) function where you can use. Yet there is something important to use as well besides this

i. Given a new data point x=(1.4,1.6) as a query, rank the data points based on i) Euclidean distance ii) cosine similarity a. Be sure to give the equations for Euclidean Distance and Cosine Similarity. Comment on the ranking. i. Normalize the data set to make the norm of each data point equal to 1 . Use the Euclidean distance on the transformed

Write a JAVA program to the code, by adding an option 'f' to your menu program. If this option is chosen, the program should ask the user to enter 10 integers. The program should store each integer into an array (as each one is entered). Once the array contains the 10 integers, the program should output: The average of the 10 numbers entered; The

You are designing a wearable device that is expected to monitor some of the wearer s physiological parameters ( e . g . blood content, heart rate, respiration ) to alert them to any abnormalities and offer them health advice ( e . g . diet, exercise, activity ) . Providing specific examples in this case, discuss three distinct reasons why

Write the code in C++. kindly use the given details Q6: Consider the following structure definitions: struct Employee struct Address char city [20]; int postcode; char email_id [20] : char name [20]; int scale; Salary YearlySalary [3] : Tax YearlyTax[3] : Address addr; Employee* next; i struct Tax struct Salary int Year; float gross_salary: int

Examine this package specification: CREATE OR REPLACE PACKAGE theater _ pck IS PROCEDURE find _ seats _ sold ( v _ movie _ id IN NUMBER, v _ theater _ id IN NUMBER ) ; END theater _ pck; You want to take advantage of package overloading. Which procedure header fails the rules of overloading? a . PROCEDURE find _ seats _ sold; b . PROCEDURE find _

Please answer the list questions above with explanation. Thank you LOAD-STORE PROGRAM EXAMPLE Write an Assembly program to add two 8-bit numbers. C A+B lds r16, A lds rl7, B : 1. Load variables add E16, :172 Do something 2. Do something sts C, r16 : 3. Store answer Identify the operation, source operand, destination operand in the first Data

Write a statement that takes a variable named f that contains a file object and reads the next 2 1 characters into a variable named author.

Please consider the following segment of an assembly language program. Manually execute one instruction at a time and write the new resulting contents of conditions codes N Z ? ? V C , Registers R 5 / R 6 , and any possible new Memory Contents. Write the contents without any prefix or suffix, just the hex contents. \ table [ [ - - CC - ] , [ NZVC ]

please help me out with this R program to get exact answer 1. Create a vector named cVec that stores the values of the following function: f(x)=0.1excosx+2lnxiph? at x=3,3.1,3.2,,6. Find its summation and print it. The output of the print function must look like: The sum of this vector is: 256.6346 " Plot the vector using plot () function and add

Slove by standard ML programming language Exercise 5 Design and implement Prolog function that check whether a given integer number is prime. Example: 2- is prime(7). Yes Exercise6 Design and implement Prolog function that calculate the greatest common divisor of two positive integer numbers. Use Euclid's algorithm. Example: ? ged(36,63,G) G=9

Question 2 (1 point) Referring to the Fraction class of fraction.py of Lab 12: Given A fraction.Fraction(1, 2) B fraction.Fraction(2, 3) What Fraction method is called when the expression A

What is the output of the following functions? Justify your answer by drawing the tree of the divide and conquer technique: ( 6 marks ) Hint: start - 0 and end = 6 a [ 7 ] = { 4 , 5 , 8 , 1 0 , 1 , 1 3 , 1 1 ) int fun ( int a [ ] , int start,int end ) if ( start end ) return a [ start ] ; int mid ( start + end ) / 2 ; return max ( fun ( a , start,

Recommender System Consider a table with 4 user ratings on 8 items as shown below. userID / game WatchDog GTAV PUBG StarCraft CallOfDuty FIFA WOW MineCraft firechicken 3 3 4 4 2 3 mike 0 7 0 2 3 5 4 3 3 4 zephyros 4 5 2 1 dadvador 2 4 4 4 5 Treating the utility matrix as boolean ( buy or not buy ) , compute the Jaccard distance between zephyros

An access interface cannot process VLAN - tagged data frames, and immediately discards them upon receipt. True False

Implement Library management where students can borrow as well as donate books. Books table: id INTEGER PRIMARY KEY name TEXT total _ count INTEGER a ) Insert values to the table 3 4 , king, 5 1 2 3 , Harry Potter, 3 b ) Update the table based on user inputs: based on book id I ) BORROW II ) RETURN

Part A:StepsSteps 1 . Go to the PathSim 5 Jar file and double click it to run it , you need Java 8 installed for it to run. 2 . Select and copy the snippet of assembly code appearing in the box below and paste it into the Instruction Input box in PathSim. The Instruction Input box is a text box and, therefore, you can do some text - editing within

Make sure the following requirements are met. Program must compile and run. Create an ADT character string as a class (LinkedChar is name I am using) that uses a linked list of each character. Do not use any STL container for the internal data structure. The LinkedChar class minimally has the methods in the UML diagram below. You can add more

Given: + 2 ae-30: 10 on a unit square with nxz11, ny-21, Use the standard 3 point centered approximation for the second derivative and backwards approximation for the first derivative. The square has boundary conditions that alternate between +1 and -1 (the node (0, 0) has a value of +1, node (1, 0) has a value of -1 etc.) Write out enough of the

MAtlab code ! Matlab code . Developed a Matlab code . Please dont write the analytical . Matlab code . I put this is computer science to get a code for Matlab 1- Temperature distribution in a part of a heat exchanger in the steady state condition should be determined. The part is shown in Figure-1 has a thermal conductivity of k 25W/m.K and

Which of the following are recommended ways you should perform string interpolation in Python 3 ? Select all that apply. Using + or commas Using % Using the format method Using f - stringsb

Analyze the following code: Analyze the following code: public dlass Test public static void main(String0 args) int n 10000 10000 10000; System.out printnnis".n) O The program displays n is 1000000000000. O The result of 10000 10000 10000 is too large to be stored in an int variable n. This causes an overflow and the program is aborted. O The

How does a user interact with the computer hardware? ( the layout )

( 3 4 pts . ) Consider a user registration module of a web application that requires the following fields to be correctly submitted. A username value that has at least 4 , at most 1 6 characters must be provided. A password value that has at least 8 at most 3 2 characters must be provided. Eirst name and last name values must be provided with at

The following method is tail recursive. public int fun ( int y ) { if ( y < = 1 ) return 1 ; else return fun ( y - 2 ) ; } Question 1 7 options: True False

1. Given Hexadecimal number (2B)16, what is the corresponding binary number? a. (1010111111)2 b. (101011)2 c. (1111)2 d. (000001111)2 e. (110001111)2 2. Which of following representation is incorrect? a. (ABC.F1)16 b. (345.61)6 c. (34.00)5 d. (0001.00)2 e. (777)8 3. Which of following Boolean operation is incorrect? a. X+0=X b. X+X=0 c. X1=X d.

Two data sets with the same range and standard deviation, but different means. Data Set 1: -3,5,2,10,8 Data Set 2: - 11,9,6,4,3 Mean : - Data Set 1: 6.6 - Data Set 2: 5.6 Range : - Data Set 1: 8 - Data Set 2: 8 Standard deviation: - Data Set 1: 3.361547263 - Data Set 2: 3.361547263

alysis, and Implementation 1 (CSIS 4001) Please answer only 4 questions: 1. What are the five phases of the SDLC? 2. What are the steps in a preliminary investigation (system planning)? 3. What is the objective of each phase of the SDLC? Describe each objective briefly s and nonfunctional What is the difference between functional requiremen

The Turing test a is used to decide whether a computer can be considered and intelligent B is conducted by presenting a 5 0 question multiple - choice exam C is used to measure automation, software efficiency. D measures the delay before an automated system response.

Question 7 ( 3 . 5 points ) Listen In the MOVIE, how does Anderton discover the possibility of a 'minority report'? From Ms . Hineman, who discovered the precogs and was trying to help them. From Ed Witwer, after he has been arrested. From his ex - wife Page 7 of 3 0

Code fragment A runs as fast as code fragment B .

A tree is a non - linear data structure, which is used to represent the hierarchical relationship between a parent node and a child node.

Use an IF function in cell H 1 8 to calculate the commission rate for the total sale for order 1 . The commission rate is 2 % for all sales that total more than $ 1 0 and 1 % for all sales that total more than $ 5 . No commission is paid on sales that total $ 5 or less. Reference the threshold levels ( cells F 1 3 and F 1 4 ) in your logical tests

Create a static Web page that includes the basic structure of a valid HTML (not XHTML) document and a CSS file. Make sure to include the language attribute of the html element and the character set attribute of the metadata element. Name the Web page Unit3.html Link to the Unit3.css file used to style and layout the Web page. Assign Unit 3 IP to

Can someone write a Java code in Eclipse using three classes, Client, Server and ClientThread to obtain the image below? This is to implement a chat room application. Chatting Client Chatting Climt Chatting Cient Ciant Name are Connected is connected l is connected Paul is connected ou to Mary Hals Chatting Server 2 Clents Connectnd Chatting

We divide the points in such a way that only consecutive points ( along the line ) may fall into the same group. Design an efficient algorithm for this problem. You should: ( the following is described in terms of the design of a dynamic programming algorithm, since you almost certainly should use it ) In plain English or using some mathematical

2- Write a MatiLab program to read the moon.tf" image and do the following: a- Smooth the given image by applying a linear spatial fiter b- Experiment with applying three different linear spatial filters to enhance the original image and the blurred image of part (a). c- Add Gaussian noise to the original image and apply linear and nonlinear

An illustration of a network diagram. Wrk 1 connected to RouterA IP Address 1 9 2 . 1 6 8 . 1 2 . 3 4 / 2 8 . RouterA connected to the Internet IP address 1 6 6 . 1 1 . 1 9 9 . 7 7 / 2 2 . The Internet connected to DNS 1 IP address 1 9 8 . 1 6 2 . 1 . 2 2 . You have a small network with a single subnet connected to the internet, as shown in the

You will need to program a 2-3 tree as seen in the online videos posted, and discussed in 23 trees. You will need a Tree class, with a Tree constructor which takes no parameters. Once again, use the default package (no package statement). Tree will need an insert(int x) method, which will insert the value x into your tree. For this tree, duplicate

Which of the following is the best function on a presentation software toolbar for importing graphics into a presentation?EditInsertDesignAnimations