Databases Questions and Answers August 09, 2021

The purpose, features and uses of internal componentsMobile devices

2. (15 points) Create a spectral clustering algorithm spectral.clustering(L, t, k) that uses the eigenvectors and eigenvalues of e-tL to embed the nodes into a 3-dimensional Euclidean space and then uses the k-means algorithm with the given k to identify k clusters (i.e., communities). I suggest using the kmeans function in the Python package

Recursive method for recognizing a palindrome in java. Your program should do the following by modifying the below code: mport java.util.Scanner; public class Lab6{ public static void main(String[] args){ /******************************************************** Palindrome */ if (!isaPalindrome("satanoscillatemymetallicsonatas"))

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Select the right statement to delete all rows in a table without deleting the table (structure, attributes, and indexes). Select one: A.DELETE FROM table_name; B.DROP FROM table_name; C.DROP TABLE table_name; D.DELETE TABLE table_name

2. For expression f((n) = 1+ (5+32) find a g(n) such that f(n) = (g(n))

In the contract-and conquer algorithm for MSA, if there is no 0-SA we contract a 0-circuit. Argue briefly that instead of contract a 0-circuit, we can instead identify and contract a strong component of (V;A0) not reachable from the root. Give example and explain.

Where is a GPT stored? a . In a folder with the same name as the GPO in the SYSVOL share b . In a folder with the same name as the GUID of the GPO in Active Directory c . In a folder with the same name as the GUID of the GPO in the SYSVOL share d . In a folder with the same name as the GPO in Active Directory

Question 4 7 Given the following query: SELECT PRODNR, AVG ( QUANTITY AS AVG _ QUANTITY FROM PO _ LINE GROUP BY PRODNR HAVING SUM ( QUANTITY < 1 5 What is the result? 1 - The query returns the PRODNR and average QUANTITY of each purchase order that has less than 1 5 purchase order lines. 2 - The query returns the PRODNR and average QUANTITY of

(a) Single Precision. Convert the following single-precision floating-point register into a decimal number: 1 10010111 11010010000000000000000 (b) Double Precision. Convert the following IEEE 754 double-precision floating-point register into a decimal number: 1 10000010011 1010000100000000000000000000000000000000000000000000

Please give exact answer Example 7. Let be the formula =((p(qr))(q)(r)p) Find a CNF for . Example 7. Let be the formula =((p(qr))(q)(r)p) Find a CNF for

You are given class C IP address 1 9 2 . 1 4 8 . 1 0 . XX ( replace XX with your last 2 digits of your MITID ) accompanied by a custom subnet mask of 2 5 5 . 2 5 5 . 2 5 5 . 2 4 0 Find the following: ( 1 + 1 + 2 + 2 = 6 Marks ) i ) How many subnets can be created? ii ) How many hosts in each subnet can be created? iii ) Write the range of useable

please explain every step (please do not use handwrting) please incdue a clear design drwining ( okay if in handwriting) Imagine that you will design a simple scheduler for multi-processing system. For simplicity, this computing environments consisting of four single-core processers, each of these processors has a local scheduler for managing the

need to have program know whne there is a tie between babies

Write a program that reads an integer from imput and outputs that integer multiplied by 5 EX: if the input is 7 then the output is: 3 5

please urgent i) For the Boolean expression shown below, draw its logic diagram and show output of each logic gate. (2 Marks) F(X,Y,Z) = (x Y) (x + 2) + (y + 2) X ii) Simplify the below given Boolean expression using Boolean algebra. (2 Marks) F(A,B,C,D) = AC + AC + BC + AD + ABC + ABC

Kindly help reword the following objectives to be more speific in relation to the study title "Predicting TB Infection pre - COVID - 1 9 ( 2 0 1 5 2 0 1 9 ) : A Supervised Classification - Based Machine Learning Approach" Objective 1 : To contribute to understanding TB infection dynamics by making temporal trends in TB incidence over time, within

C++ Question: Rewrite each of the following C++ statements using a combined assignment operator. A. x = x + y; B. cartons = cartons + numItems / 20; C. inventory = inventory (sales returns); D. population = population * (1 + growthRate); E. value = value % 12;

Q8) -Which code snippet will alter the table LOCATIONS and add a column named Address, with datatype VARCHAR2 (100)? AALTER TABLE locations ADD (address varchar2 (100)) B -ALTER TABLE location5 ADD COLUMN {addre varchar2(100)); C-MODIFY TABLE location ADD COLUMN (addre53 varchar2 (100)) D- None of the above 09)-Which of the following is true about

According to Holzer and Schwester ( 2 0 2 0 ) , a logic model is organized in terms of program inputs, activities, outputs, and outcomes. comparable to program evaluations. an impact to identify measurable outcomes. refer to the services that a program provides.

Scala Programming Question Problem 2 [35 Points]. Define a polymorphic Tree data type, where a Tree is either a Node with a left subtree, a value, and a right subtree; or it is Null. Also define a companion object for the Tree data type, with the following functions: (a) [15 Points]. Three polymorphic functions -- inOrder, preOrder, and postOrder

What are resumes and cover letter letters used for in microsoft office

consider the following network graph to max flow problem, where x / y on each edge means x units

According to Scott Steinberg, what should you do when youre finished with a social network session? Change your password. Refresh your browser Log out of it. Repost on other networks.

Manually trace insertion sort, selection sort, bubble sort, merge sort and radix sort when n = 10.

Hardware Architectural Design for web based application

Consider the following database. Employee has a unique eid, name, age and salary. Department has a unique did, name and an employee as a manager. A department may or may not have a manager assigned. An employee can work for multiple departments. The pct_time in Works table is the percentage of time an employee works for a department. The salary of

6. (This is a slight re-wording of problem 8-5 on page 207 of CLRS 3rd edition.) Suppose that, instead of sorting an array, we just require that the elements increase on average. More precisely, we call an n-element array A[1.n] k-sorted if for all i in the range 1 sisn-k, the following holds: ;*-?A[j] ++. A[j] a. What does it mean for an array to

1. A memory cache using a 33-bits address with 15 bits for index and 11 bits for offset. How big is the data portion of the cache in bytes? * Please provide steps.

@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ Please answer in python 1. Calculate the CRC of Ox58 by hand, where a divisor x4 +x3 +x2 +1 (11101) is adopt. 2. Use Python programming to calculate the above CRC

JWD Consulting wrote a business case before officially initiating the project management intranet site project. Review the contents of this document in Table 3.2 of the text and find two articles that describe the need to justify investing in IT projects. In addition, describe whether you think most projects should include a business case before

Q 2 ) Write a method which takes a Red Black tree as parameter with root head, then balancing the tree from the two sides for a new root ( elements at right side equals that in left side of the root.

Place the items in the correct order if you were to use a KO command to insert a column into a worksheet. Tap the C key. Tap the ALT key. Tap the H key. Tap the I key

FileVault is a MacOS utility included by default on Macintosh computers that automatically encrypts data sored locad True False

The process of database design to minimize redundancy and awkward many - to - many relationships is called:

I need explanation of the float activity below Activity description Activity ID A B D E F G H Immediate Predecessor None B B Collect requirements Analyze processes Analyze data Design processes Design data Design screens Design reports Program Test and document Install Duration In weeks 2 3 3 7 6 1 5 4 8 2 C D DE F,G G HI J A) O A 2 2 B 5 5c 8 17

- Give examples of the basic snort commands used in the three modes in which snort can be configured. - Snort Rules are divided into how many logical sections? What are these sections? - Write a snort rule to detect a DNS packet using the following details: Source IP address: 192.168.23.128 Destination IP address: 192.168.23.130 - Write a snort

A.) Revise your assign05.m by adding the exist() function to print a message only if the data file is not available. The output should be the same as with assign05.m. B.) REMOVE UNNECESSARY STATEMENTS FROM PREVIOUS PROGRAMS. INCLUDE APPROPRIATE COMMENTS. Check the file ID to determine if the file is available. Only print message if file is not

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c++ Problem 2 | Implement Adjacency Matrix The following list of edges are given to you by using this edge list show the adjacency matrix and count that how many edges each node has. [0,1], [0,6), (0,8], [1,4], (1,6], (1,9), (2,4), (2,6], [3,4], (3,5), (3,8], [4,5], [4,9], [7,8], [7,9]

Either a message queue management system. A message is characterized by an ID (integer), a priority (integer), and the message itself (string). Write and implement a message scheduler based on a multi-list structure. The multilist structure will contain an ordered list of priority categories implemented statically (with table), and each category

Design a logic circuit that will convert an Excess-3 code into a BCD (NBCD) code: (a) Using NAND gates only. (b) Using NOR gates only 1

Please help me code this program using C++ Programming Language: A Gateway communicates with node (Sensors and switches) by sending requests to the nodes, to which they react accordingly. It refers to: the query of the state This involves querying the status and The Set of the state setting the status. There are the following nodes: thermometer.

Create a Recursion Class that will implement the following recursive algorithms: Implement a recursive algorithm to compute the n th Harmonic number defined as: H n = k=1 n 1 k where k is a natural number, i.e. an integer greater than 0. The user needs to enter the value for n. Your program should check to insure that the value entered by the user

QUESTION 18 A tuple can be a dictionary key. True False QUESTION 19 Dictionaries are not sequences. True False QUESTION 20 Sets store their elements in an unordered fashion. True False QUESTION 21 The following statement creates an empty dictionary: dict = {} True False

Consider the entity relationship between customer and loan, linked by relationship borrower. Relationships with directed lines ( ) from borrower to loan are either a . 1 - N , M - N b . 1 - 1 , 1 - N c . M - N , N - 1 d . M - N , 1 - 1

Vulnerability 1 : CVSS: 3 . 1 / AV:P / AC:L / PR:L / UI:R / S:U / C:L / I:L / A:L The customer determines one of these vulnerabilities is a web application attack utilizing a phishing email. Which vulnerability are they referring to ? The customer is concerned that one of these vulnerabilities was exploited as they saw a man connecting his laptop

Figures 4.6 and 4.18 for reference: ========================================= 4.47 In our example Y86 programs, such as the Sum function shown in Figure 4.6, we encounter many cases (e.g., lines 12 and 13 and lines 14 and 15) in which we want to add a constant value to a register. This requires first using an irmovl instruction to set a register

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INTRODUCTION A mumicipal water tank has a shape as shown to the right There is a loat inside the tank that can transmit the water levels to the city office. The height data collected for one T week from the float has been placed in an imput file called tank The city needs an automated system that will alert city officials when the water level is

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The H ndel Aria studied is about q , a . the heroine's loss of her father. b . the heroine's thoughts prior to her execution. c . the heroine's loss of her freedom. d . the heroine's loss of her lover. e . the heroine's loss of her son.

Which of the following is not the example of an advanced search? a ) Truncation search b ) Wild card search c ) Keyword search d ) AND operator

Give the asymptotic running time of each of the following functions in \ Theta notation. Justify your answer ( write all details ) . What is the asymptotic worst case running time? What's the asymptotic expected running time? Random ( n ) : generates a random number between 1 and n with uniform distribution. CoinFlip ( ) : returns heads or tails

Which YANG tool did Cisco develop? goyang Yangson YANG Suite Pyang

Hi, I need someone to solve this question: If the key with parity bit (64 bits) is 0123 ABCD 2562 1456, find the first round key. Best regards,

In comparing the first five IT infrastructure evolution stages, which stage is the first one where organizations began to connect personal computers to LANs? Select answer from the options below mainframe and dumb terminals enterprise computing client / server computing cloud computing stage

Help ollow ing program, explain the specifics of what is being done int fact(int n) f (n

Mind machine Interface: Vinge never proposed a scenario where human intelligence could merge with computing to augment their intelligence , leading to superhuman intelligence . true false

Write a Python code to draw a scatter plot of a random data in X and Y.

What is the network ID of the IP address 1 7 2 . 1 9 . 4 8 . 1 6 with subnet mask 2 5 5 . 2 5 5 . 2 4 0 . 0 ? Group of answer choices 1 7 2 . 1 9 . 0 . 0 1 7 2 . 1 9 . 3 2 . 0 1 7 2 . 1 9 . 4 8 . 0 1 7 2 . 1 9 . 2 4 0 . 0

Write a Java application that prompts the user for three first names and concatenates them in every possible two-name combination so that new parents can easily compare them to find the most pleasing baby name. Save the file as BabyNameComparison.java.

Use resolution to show that the entailment { p - > ( q - > r ) , ( s - > ( s - > r ) ) - > p } | = ( p - > q ) - > r holds. Show the steps to convert the formulas to their necessary clausal forms, as well as the application of resolution.

b) Describe any three differences between an abstract Class and an Interface in JAVA. 6 marks) c) Show with the aid of a simple example how a Class can implement any number of interfaces at a time 6 marks) d) Explain what is meant by a static method in java and show with an example how such a method is called (10 marks) e) Define a Class which

code class = "asciimath" > _ ( _ _ _ _ _ enables a user to generate a key from password and then use that key to encrypt files. It is also a popular email encryption method. Question 5 4 options: AES PGP 3 DES RSA DSS )

Question 2 of 3 How does specifying more details in the prompt affect the outcome when generating images with DALL - E ? It limits the model's creative output. It leads to better quality generations. It increases the processing time without improving quality. It has no effect on the outcome.

Which two statements characterize the YANG Suite tool? ( Choose two. ) YANG Suite autogenerates RESTCONF - only request objects for a given model. YANG Suite offers a detailed GUI. YANG Suite autogenerates NETCONF - only request objects for a given model. YANG Suite offers only a CLI. YANG Suite autogenerates NETCONF and RESTCONF request objects

Consider the confusion matrix below predicted 0 predicted 1 actual 0 TN = 1 3 0 FP = actual 1 FN = 2 0 TP = 9 0 If the model's precision is 0 . 9 , what is the value for FP ?

Write a MATLAB script to simulate rolling 3 dice simultaneously for 100 times. The show how to check 1. if there was a case that all dice landed 6. 2. how many times at least one of the dice landed 6 3 how many times all 3 dice landed the same. Report the results using fprint

Which of the following statement places the word "hello" at the bottom left corner of a screen? Assume that "cv" is the canvas handler and "ct" is the context handler. Select one: Oct.fillText("Hello" 500,0); Ocv.fillText("Hello",0,500); Oct.fillText("Hello",0,500); Ocv.fillText("Hello",500,0); In order to generate a number ranged from 9 to 23,

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6-4,6-5, 6-6 Read Chapter Extensions 1 and 2 if you have not already done so. Meet with your team and build a collaboration IS that uses tools like Google Docs, Dropbox, SharePoint, or other collaboration tools. Do not forget the need for procedures and team training. Now, using that IS, answer the questions below 6-5. Suppose your team owns and

Excel help; I'm having problems with trying to get a working formula 2. The switch in the RC circuit in the figure below represents the shutter button of a digital camera. When the shutter is pressed at t=0, the capacitor releases its energy to the flash, represented by the resistor R, to generate a short but intense light. For the flash to

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which of the following pairs would be most closeyy related in terms of having the most shared evolutinaryy history in the tree of life

An app developer wants user to select an input file for the app while limiting the possible selections to input files that exists in a certain directory and contain " 2 0 2 0 " in the title. Which tool can be used to achieve this?

Give the breadth - first and depth - first traversal of the following graph beginning at vertex Aa ) Create a binary search tree for the following numbers. The numbers are read in sequence from left to right. 1 7 , 5 2 , 3 8 , 1 6 , 1 4 , 1 8 , 8 , 1 6 , 1 9 , 2 5

Which of the following BEST describes the role of the Application layer ( layer 7 ) in the OSI model? The Application layer is responsible for setting up and maintaining the data link connections. The Application layer provides an interface for software programs to exchange data over a network. The Application layer manages the segmentation and

I need help in this question Assume BX=324A,BP=2500,AX=36C1,DS=5000,SS=7000,SI=2000,DI=4000, For each Instruction in the table: (1.1) Give the addressing mode; (1.2) Calculate the physical address of the memory where the data is stored; (1.3) Write the contents of the memory location in each addressing mode

In the case of single-task system, what is the preferred memory allocation scheme? Continuous memory allocation with no partitioning Partitioning with fixed block size Partitioning with variable block size Demand paging None of the above Modern operating system (e.g., Windows) is using ___ Dedicated memory allocation. Single tasking memory

What are the various common project management stagesA. Initiating - Planning - Executing - TestingB. Initiating - Budgeting - Planning - ExecutingC. Initiating - Budgeting - Executing - TestingD. Initiating - Planning - Executing - Closing

Write a JavaScript program that does the following: Ask user to enter five grades using prompt. Find how many students failed and how many students passed the exam. Grade less than 50 is fail. Print each Grade as h2. Print the result of how many students failed or passed as hl Change the color of hl. The result like the following: - gnment:h.html

Which of the following best describes the differences between full, incremental, and differential backups? Group of answer choices A differential backup takes longer to restore than an incremental and removes the archive attribute. A full backup removes the archive attribute and must be restored before an incremental or differential backup. An

7 . Describe the following technology terms, functionality, and cloud services associated with the Google cloud platform. a ) Google file system ( GFS ) b ) BigTable c ) MapReduce d ) Hadoop Distributed File System ( HDFS ) 8 . Provide an example of a distributed computation that would be difficult to implement in MapReduce, giving full reasons

Create a class called InfixExpressionEvaluator in Java. Methods must pass test cases. Thanks! import static org.junit.Assert.*; import org.junit.FixMethodorder; import org.junit.Test; import org.junit.runners.MethodSorters; @FixHethodOrder (MethodSorters.NAME_ASCENDING) public class InfixExpressionEvaluatorTest f @Test public void aSimpleAddTest)

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What is Secondary Use? Group of answer choices Collection of personal information about a user without the user s knowledge. Searching and analyzing masses of data to find patterns and develop new information or knowledge. Users being aware of what information is collected and how it is used. Use of personal information for a purpose other than

Use any data visualization tool the group prefers: Excel, Power BI or Tableau. Once you have created the charts, paste them into a PowerPoint presentation in the order that suits best. Submit the data visualizations to meet the ask from the client detailed in the company background section. Submit no more than 3 key data visualizations, one each

Graphics are covered by fair use laws that apply to students, allowing free educational use. Group of answer choices True False

Answer the following questions in complete sentences. Your answer for each question should be about 1 5 0 words. ( 6 0 marks total ) Describe a typical instruction execution cycle as executed on a system with von Neumann architecture. ( 5 marks ) Explain the concept of device driver. Describe how the device driver utilizes the interrupt mechanism

#include using namespace std; int main ( ) { char letterToQuit; int numPresses; cin > > letterToQuit; cin > > numPresses; / * Your solution goes here * / return 0 ; }

q , software assists in creating, maintaining, and manipulating databases. Metadata Keynote Database application system Database Management System ( DBMS )

Mr.Steve, a local businessman and real estate owner, has decided to expand business into paintings. He decides to register it as an Internet business, called Masterpieces Limited. It aims to lease the paintings to private individuals and commercial companies owned by masterpieces, as well as different painters or artists. He has been looking for

Design a computer program in C language that simulates the control of electrical energy consumed and the temperature of an intelligent building The building has 2 floors and ground floor, which detects the ambient temperature and the temperature generated by people or things that enter and leave each floor. Additionally, it has an electric power

The CPU cecution time can be das Select one: ca. Cu execution time for a program b. CPU wcution time for a program C. CPU esecution time for a pro d. CPU execution time for a prog y agrodemel decide for de me IP dock de for pramoderne dock de program /Cedecyde med A compiler designer is t o decide between tweede designers have led the following

C++ Write a void function with prototype called averageFourTemperatures() as part of a larger program that accepts 4 integers in the parameter list, computes the average and prints the average to the console. In the main function prompt the user for and save 4 temperatures in separate appropriately named variables. Call the function from the

Complete the Java program to create a Horse table, insert one row, and display the row. The main program calls four methods: createConnection ( ) creates a connection to the database. createTable ( ) creates the Horse table. insertHorse ( ) inserts one row into Horse. selectAllHorses ( ) outputs all Horse rows. Complete all four methods. Method

Data visualization allows people to ( select all that apply ) :interact with data. analyze data. see and understand data. collect and manage data.

This question is about assembly instructions and operand modes. For each of the following descriptions, give a single x86-64 assembly instruction and operands to implement the described semantics. Example: Copy the low-order 4 bytes of register %rdi into the low-order 4 bytes of register %rdx . movl %edi, %edx a. Load 8 bytes from memory beginning

Which method can be used to find the length of a standard java array? * getSize ( ) getLength ( ) length ( ) size ( ) size None of the other options

(Game: play a tic-tac-toe game) In a game of tic-tac-toe, two players take turns marking an available cell in a grid with their respective tokens (either X or O). When one player has placed three tokens in a horizontal, vertical, or diagonal row on the grid, the game is over and that player has won. A draw (no winner) occurs when all the cells in

Using c++ write the code for the matrices for each problem. 4 questions. Attached is the .txt file for matrix 1 & 2. Write a C++ program to find the product matrix, the transpose matrix and sum of each column of two matrices. Here are the steps: 1. Read two 4*4 matrices 'matrix1' and 'matrix2' from two tab delimited text files named 'matrix1'.txt

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is the amount of time required for a messaye to travel from one device to another Answer:

Python programming problem Assignment 1 Part 1 Assume that an imaginary supermarket sells items that are identified by a unique item number which is an integer in range 100 to 499 inclusive. The items are classified in four different categories based on their numbers, and each category defines a different sales tax rate. These four categories

Which routing information is carried in the Integrated IS - IS updates? only CLNS only IP both IP and CLNS TCP and UDP only

Which of the following is NOT a method that you could have used to add the new slide before the first Testimonial slide in the My Events.pptx presentation? Group of answer choices Right - click the presentation and click New Slide from the shortcut menu. Select the Home tab, click the Layout button drop - down arrow, and choose a layout. Select

What is a work breakdown structure? What are the inputs and tools used for creating one?