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Databases Questions and Answers August 25, 2018

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Amounts of yearly rainfall in Miami over the last 5 years are an example of which type of data?

The following definition invokes (calls) a default constructor in the Employee class: Employee* emps; true or false

To predict whether a liability customer will buy personal loans, to understand which customer attributes are most significant in driving purchases, and identify which segment of customers to target more.

Problem 4 ( 2 0 Points ) A page - based virtual memory is using a linear page table where its: Virtual address space size = 1 2 8 bytes Physical memory size = 1 0 2 4 bytes Page size = 1 6 bytes The leftmost bit in each PTE is the VALID bit. If this bit is 1 , the rest of the entry is the PFN . If the bit is 0 , the page is not valid. Assume the
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A memory module is labeled PC2-6400. Which two of the following statements are true? (Obj. 1.3)

1. What is the degree of vertex b in the graph below? b d a. 0 b. 1 d. 3 e. 4 2. How many edges are there in the spanning tree for the graph in problem 2 (above)? a. 1 b. 2 c. 3 d. 4
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Please use "class" in c++ to solve this maze problem. Class definition is done in an header file(.h) Class function is done in a .cpp file Finally a main program to execute the program . Thanks Messenger? 21:42 cdn.fbsbx.com ?73% HW4: Maze Representation Array representation of a maze - Store and print a maze which includes o Walls as 1 o
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What type of color scheme is used in this visualization

DDoS attack is a malicious attempt to disrupt the legitimate user traffic of a server by overwhelming it with a flood of random traffic. The main type of DDoS attack on blockchain is transaction flooding. As we know, most blockchains have a fixed capacity because blocks of a certain maximum size are created at regular intervals. So how does

write a recogn zor for this grammar in the "recursive descent" style. That is your solution should include a scanner function, as well as collection of boolean functions that recognize the various parts of the grammar, Refer to the attachment that contains the handout (we will walk through in class) if you need some design inspiration. Your
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For a bank system scenario with five software components, make a sequence diagram.

Katy and perry are comparing bank accounts. katy spends $5 each week and starts with $120 in her account. Perry starts with $140 in her account but spends $10 each week

Will something eventually displace USB? Why is it so difficult to design a good interface standard?

What three components does the scope baseline have

Design a class called Date that has integer data members to store month , day, and year. The class should have two constructors; a default constructor that accepts no parameters, and a three-parameter constructor that allows the date to be set by the programmer. If the user creates a Date object without passing any arguments, or if any of the

Having trouble completing this problem: Implement str_to_time Read the specification of the function str_to_time in the module funcs. Implement this function according to its specification. This function is very similar to one that you have implemented in the previous exercise. The difference is that there is now an optional argument to specify a

Hi i was wondering if someone could over look my code. Its in c++. I have attached my code and the instructions for this assignment The goal is to implement a hash table in C/C++ using open addressing. Part A : Hash Table Implementation Create your own hash table struct/class that uses open addressing . Do not use any library data structures for

Read Chapters 2 and 3 . 1 , please prove or disprove each of the following properties related to asymptotic notation. In each of the following, assume that f , 9 , and h are asymptotically nonnegative functions.

write one or more lines of code that displays the point parameter to the console in ( x , y ) form
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Only using the closure properties , prove that the following language is not regular: L = {w | w = 0 a 1 b where a 0, b 0 and a is not equal to b}

What are the four elements of a social networkonline or offline?

Activity 6.2: Write a Service Issue Response Plan Write an identification and response plan for services that an organization you are familiar with relies on. Your response plan should presume that a service issue or outage has been reported, but the cause is not known. Ensure that you cover key elements discussed in this chapter,including 1. How
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A database management system ( DBMS ) is a computer program that is used to

I need help on windows form Problem: when i click on the combo box 1 - 6, it says "(int)EnemyType.SelectedValue" is null private void cbEnemyType_SelectedIndexChanged(object sender, EventArgs e) { Container.Panel.Invalidate(); temp.Enemy = (int)EnemyType.SelectedValue; } Am i missing anything why would it be doing that

Let G be a graph with n vertices (labeled 1, 2, 3,..., n ) and m edges. Design an O(n+m) algorithm to arrange all lists in an adjacency list representation of G so that vertices occur in increasing order of vertex name on each list.

Implement the following Boolean function, together with the dont-care conditions d , using two-level NOR gate circuits: F(A,B,C,D) = (2,4,10,11,12,14) d(A,B,C,D) = (0,1,5,8)

Your organization is implementing a security control framework to formalize its cybersecurity strategy. After considering multiple options, the CSO recommended COBIT because prospective clients in your industry value COBIT certifications. What principle is this decision based on ? Choose the best response. a . Downstream liability b . Regulatory

Write a Verilog model that instantiates four copies of this circuit and connects C1 and C0 of the first instance to 11, C1+ and C0+ of the first instance to C1 and C0 of the 2nd instance, C1+ and C0+ of the 2nd instance to C1 and C0 of the 3rd instance, and C1+ and C0+ of the 3rd instance to C1 and C0 of the 4th instance Consider the combinational
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How to use selenium xpath to find following element?

Project KJK Holdings Year 0, Costs 120,000, Discount Factor: 1, Benefits: 0 Year 1, Costs 50,000, Discount Factor: 0.95, Benefits: 120,000 Year 2, Costs 30,000, Discount Factor: 0.84, Benefits: 150,000 Year 3, Costs 20,000, Discount Factor: 0.82, Benefits: 250,000 The KJK project payback for Year 1 is.? Select one: a. RM -120,000 b. RM 47,900 c.

Q 2 ( 5 pt ) : Given the following relational schema ( attribute types are omitted for simplicity ) : NationalPark ( pid , name, state, year,rating, entry - fee ) BelongTo ( pid , tid ? ( ) , loc
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Cloud - based software products are more prevalent than ever, in particular software - as - a - service ( SaaS ) . SaaS iscommonly accessed through a web browser, with users logging into the system using a username and password. Insteadof each user having to install the software on their computer, the user can access the program via the Internet.

Please create the FSM diagram (please post the picture of the diagram): finite state machine (FSM) diagram for this code would have two main states: "Input State" and "Output State." In the "Input State," the program prompts the user to enter values for x, y, and z, and then checks if the input values are valid using the "checkInput" function. If

Question about SpamAssassin - Explain briefly what is added to a blacklist and what is add to a whitelist?

( Geometry: points in triangle? ) Suppose a right triangle is placed in a plane as shown below. The right-angle point is placed at (0, 0), and the other two points are placed at (200, 0), and (0, 100). Write a program that prompts the user to enter a point with x - and y -coordinates and determines whether the point is inside the triangle. The

Which of the following types of information can be stored as binary digits within a computer? a ) images b ) sound c ) numbers d ) letters and words e ) people
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a cpp program Specifications: You need to create two structs. The first struct is for the hunters ships. This struct needs to contain a numeric variable to keep track of the ships health. Another numeric variable to keep track of how many people are on the ships. The struct needs to also have a variable to keep track of if they have a captured
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If a cryptographic hash function uses 32 bit digest, How many digests needs to be created to find original message with probability of 0.5 or better? (The format of the answer should be in decimal and rounded. Neglect the digits after the decimal point. For example, 12345.) Given system can create 0.69 X 2^20 messages digest per second. What is

Draw the control flow graph ( CFG ) of this code. ( PLEASE I NEED IT IN EDGES AND NODES LIKE THE SECOND PICTURE NOT AS TEXTUAL! ) IN 5 NODES ONLY AS SHOWN IN FIRST PICTURE Show all images Show all images Show all images done loading
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Your boss wants to purchase a graphics design application to be distributed to approximately 40 users in the company. The problem is that although the company says it has broad OS support, he wants to be sure it will run on the five different OSs running on the companys user workstations. He wants you to verify compatibility by using evaluation

with out importing libraries can you draw this using python
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For us in the United States, the world wide web is meaning we do not need permission to access it or post content O centralized decentralized
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13.11 Caesar Cipher v3 (Encryption) Description A Caesar cipher is one of the first and most simple encryption methods. It works by shifting all letters in the original message (plaintext) by a certain fixed amount (the amounts represents the encryption key). The resulting encoded text is called ciphertext. Example Key (Shift): 3 Plaintext: Abc

Reported Title IX / Sexual Misconduct information can be shared with the following: The student's parent or legal guardian The student's spouse The student's doctor None of the above
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Complete all "TODO" functions. Code is written in C . Function description is written right before each function.

( 2 0 pts ) implement the following Boolean function, F ( x , y , z ) = x z + x ' y + y ' z ' a ) Using a low cost decoder and external gates. b ) Using a proper multiplexer and external gates.
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What kind of service portal does a cloud consumer need to use to provision IT resources (computing, storage, etc.) on the cloud? If a cloud consumer prefers to create his/her own web portal to send service requests to provision IT resources on the cloud, how could an own web portal be communicated with a cloud infrastructure?

Explains how a check digit is found for an International Bank Account Number (IBAN) ? and what types of errors that can be found using this check ?? please provide some sources with your answer!

What is the difference between a traditional If/Else If/Else structure and a Case structure? Give an example of where a case structure is a better choice than an if structure. List three advantages and three disadvantages of using case structures to program multiple alternative decisions.

Just need Questions #3 C and D answered, please 3. Practical application 2: Context-free language recognizer. (a) Design an algorithm that recognizes (accepts) strings of the following context-free language: L = {0"1" : where n > 1). That is, strings that contain a number of zeros followed by the same number of ones. Examples of strings in the
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Movies that appear to have visual depth, commonly called " 3 D movies," are created by filming footage from all angles simultaneously with multiple video cameras. True False
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The code import javax.swing.*; import java.awt.*; import java.awt.event.*; import java.io.File; import java.awt.image.PixelGrabber; import java.awt.image.MemoryImageSource; class IMP implements MouseListener{ JFrame frame; JPanel mp; JButton start; JScrollPane scroll; JMenuItem openItem, exitItem, resetItem; Toolkit toolkit; File pic; ImageIcon
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Which option below is an important feature of Linux. Group of answer choices Linux supports X 8 6 hardware architecture only. Linux's kernel is completely open - sourced. Linux only supports a single user. Linux must run user applications one by one.

Encryption - If John encrypts a message with his private key and sends it to Mary, what is the only key that can unencrypt this message Mary's Public Key Mary's Private Key John's Symmetric Key John's Public Key John's Private Key

A transmitter transmits an AM/DSB single tone modulating signal given by 6 cos (211 x 10^3t) volt with a carrier signal given by 8 cos (2T X 10^6 t) volt find: (1) Modulation index. (2) Efficiency of transmissie *
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The diagram underneath represents a graph where the task is to reach the goal state K from the start state A by following the lowest-cost path between the two states. For each state in the diagram, a heuristic estimate of the distance from that state to K is indicated above the state in italics. For each arc connecting two states, the actual cost
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This lab is for practicing the object oriented programming, and you need to implement a Student Class and implement a simple system to modify and view user information. Use the following Coding Guidelines: When declaring a variable, you usually want to initialize it. Use white space to make your program more readable. Use comments after the ending

Write a class called Book that has two private member variables called page (integer) and topic (string). It also has a static private member variable called count (integer). This class has only one constructor with default argument for page and topic. Write this constructor. Also overload the addition operator for this class such that it will add

Produce an ADA program to perform Producer-Consumer problem using tasking and message passing. The program shall have a main program that declares the task buffer, task producer and task consumer. Use entry statements and accept statements in declaring the buffer's taskspecification and buffer's task-body respectively. For the task producer, you
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If someone could just even provide code for the layout of each page to help get me started that would be a great step in the right direction. Someone commented on a previous post of this and said it would be too hard to make the full app in time, but i never specified a time period. I have been struggling with mobile application development and
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Automata and Complexity, Non Regular and Context Free Languages 1 . ( 8 points ) Let L be a regular language. Define L = { x a y i n * * | x y i n L , a i n } . We take the strings in L , and add exactly one symbol anywhere in the string for anywhere it could be placed, even possibly at the beginning or end. Prove that if L is regular, then so is
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Q2/ What are the steps of design Cone with three points (3P), puts the numbers for each point with simple design
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the following system completely state controllable and completely observable? X 1 0 1 0 X 1 0 0 X 2 X 3 0 0 1 + u X 2 - 6 - 1 1 - 6 X 3 1 = X 1 y = [ 2 0 9 1 ] X 2 X 3

Read the following statements about AWS Elastic Load Balancing and choose the correct option: I. ALBs, NLBs , and CLBs support health checks, CloudWatch metrics, and AZ failover. II . NLBs can support AWS Lambda functions as targets. III. CLBs can only be used with EC 2 - classic implementations. A . Only I is correct. B . I and II are correct. C
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Point out incorrect statement. Question 2 0 options: Embedded SQLuses same SQL language commands as interactive SQL statements. All DBMS also have graphic user interface ( GUI ) . All DBMS provide command interface or command prompt for running interactive SQL commands. None of the above.

What is the acronym for the famous symmetric key encryption method that is often implemented in processor hardware?

The jobshop.xlsx files gives the start time and date for several jobs and the time required to complete each job. determine the completion time for each job

list any two two sequences of elements corresponding to the inorder sequence and the preorder sequence in data structures

Hello I need help making these two functions in Python. Thank you. A recursive function named num_of_ones that takes a single integer parameter and returns the number of ones in the binary representation of the number. A function named index_list that takes two parameters: a list and an integer with default value of 2. The function will return a

you can use python please solve correctly and completely There are 10 students in a class, and students get grades in math and physics. Take students' math and physics notes from the user and store them in a multidimensional array. Calculations: - Calculate the physics and mathematics course grade point average. - Write down the physics lesson
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Computer Architecture: Which component of a CPU is responsible for performing arithmetic and logic operations? a ) ALU ( Arithmetic Logic Unit ) b ) Control Unit c ) Cache Memory d ) Registers

With examples, explain cryptography

In python please 3. Create a word jumble game. The computer picks a random word and then "jumbles" it. The player has to guess the original word
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a. What will the following code print? b. For what values of the variable will the following code print Hello world? 5:- a. Plot the following using plot function: y(t)=12etsin(2t35)0t10 b. Write the code that make the following plot
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bAutorecovery is different from other database systems. Question 2 5 options: True FalsAutorecovery is different from other database systems. Question 2 5 options: True False

language is in C++ Design and implement a class representing a circular doubly linked list. The class must have the following requirements: 1. The linked list and the nodes must be implemented as C++ templates 2. It must include a constructor, a destructor, a copy constructor and an operator= 3. It must include functions to : -delete a given item
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Given the previous part, state the values that are not allowable replacements for a in the expression (1)/(2a^(2)+15a+18) Enter your next step here

True or False. All Linux installations use exactly the same kernel code.

Which aspect of modern computer architectures make buffer overflows highly exploitable?

I need some PYTHON help! If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples is 23. Complete the following function, which finds the sum of all the multiples of 3 or 5 below the argument n.

Question 1 5 The following code is an example of what kind of loop? int count = 0 ; while ( count 1 0 ) { count + + ; } q , a sentinel controlled loop an infinite loop a non - executing loop a counter controlled loop
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Computer Sciences Department frequent fliers have been complaining to Dane County Airport officials about the poor organization at the airport. As a result, the officials decided that all information related to the airport should be organized using a DBMS , and you have been hired to design the database. Your first task is to organize the

What is the recurrence relation for Merge Sort runtime?

Question 5 15 pts Select the best answer. The objective is to prove that when this program ends, x + y = a. Check the best loop invariant before each iteration to use in order to achieve my objective. while (x 0) x+y=a y
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The underlying concept in ____ is one of resource allocation as required, on demand. a. Hybrid Computing b. On-Demand computing c. Cloud Computing d. Grid Computing e. Analytical Computing

a. Write a recursive algorithm (in pseudocode) which takes as input an an array L of integers and returns the number of positive entries in L. Give a big-theta expression for the runtime of this algorithm, and explain why this is correct. b. Also write an algorithm that solves the same problem using a for loop. Give a big-theta expression for the

Common Data for Questions ( 2 8 and 2 9 ) : A counter is shown below: Q . 2 8 The counter shown is ( a ) Mod - 1 2 ( b ) Mod - 9 ( c ) Mod - 1 4 ( d ) None of these Q . 2 9 Frequency of output Q D for 1 M H z clock is ( a ) 6 3 . 3 k H z ( b ) 8 3 . 3 k H Z ( c ) 7 3 . 3 k H z ( d ) None of these
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Which of the following is a major environmental concern associated with petroleum refining? A . Emission of greenhouse gases B . Depletion of water resources C . Soil erosion D . Loss of biodiversity

Select all the option which is not an entity in a database? UniversityID SSN Product Employee Order

build max heap for 37, 23, 19, 104 67 show work

Purpose: This experiment is designed to develop confidence with structs. Readings: The experiment focuses upon the material on structs covered in the text and in the module. Instructions: You have been tasked with writing a C + + program to generate a quarterly sales report for your company. The data is in the "sales.txt " file ( A zipped file
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concentration of insulin in the body is described by the following equation C Co e-401/M 0 Co- 85 Wite code that will calculate the insulin concentration of two people with weighs 60 Kg and 100 Simulate the insulin concentration for 4 minutes in steps of 0.1 minute a) b) Plot the insulin concentration of the two people on the same graph. For the
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write the code in c programming language and please show the code on screen to see the right indentations : An integer is divisible by 9 if the sum of its digits is divisible |Example output by 9. Develop a program which will call UDF: int get input(); to prompt the user for an integer and return this user input to main() Call UDF: void
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Suppose there are 12 courses: C12, C16, C23, C31, C33, C34, C35, C42, C43, C45, C52, C51, which you have to take to finish your prestigous A) In a min-heap consisting of n elements implemented as an array. What is the worst-case time taken to find the maximum element? Justify yolur answer. B) We learnt binary heaps in the class. A 3-ary heap is a
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code class = "asciimath" > y ^ ( ' ) = ( 2 x + y ) / ( 3 + 3 y ^ ( 2 ) - x ) not exact. Select one: True False
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Please, No Plagiarism. Please Explain Data adjustments: Framing, Navigating, Animating, Sequencing, and Contributing. (300 Words)

3. Given the following circult: 2. On the arraph tye of filter & determine the cue off frequency (ft). is ptr) 4. Plot a label the "Gewr" (V0/Nin) w frecuency". b. Label the "dB" axis (3 pti) 3. Wetermine the neak amplifuste of Vo at the cut eff frimanana (7 per)
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Using HTML, CSS, and JavaScript, Input a user-specified text file (i.e., one with suffix .txt) and display it in a scrollable textbox. Allow the user to toggle a checkbox for case sensitivity; when case-sensitivity is on, the text is displayed in its original format, but when case sensitivity is off, the text is displayed completely in lower-case.

Answer the following questions. What is the purpose of RAID system? Briefly describe the principle of RAID 0. In RAID 0, if one of the disks breaks down, could we recover the data? How does RAID 1 work? How many check disks needed if the system has n data disks? How does RAID 3 work? Whats the ratio of data disks and check disks in RAID 3? What

Language/Type: C++ collections vector STL Write the output produced by the following function when passed each of the following vectors. Assume that a vector would print in the format {1,2,3}
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