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Databases Questions and Answers July 03, 2018

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Consider the low order four bits of the adder/subtractor circuit shown below. Label all wires (inputs, outputs) in the circuit by their value (0 or 1), assuming the circuit is computing A ? B where A = 98 and B = ?25. [Do not draw the entire circuit. Only consider the four lowest order bits for this question.] What are the binary values of the
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why the typical application for OFB operation is satellite communications ?

MUST USE C++ PROGRAMMING INCLUDE EXPLANATION Write a function search() that receives an array of char type, its size and another character, finds the location (the subscript value) of the character in the array that matches the received character and returns this location number.

Freytech Industries has hired you and your team at Winslow Networks to help with an important network project. They want to block HTTP traffic from network 170.55.0.0 to their Web server at 164.106.105.3. Lisa suggests the following list: access-list 10 deny 170.55.0.0 access list 10 permit any What will Lisa's list do? Modify the list so that it

What is the minimum category of unshielded twisted pair ( UTP ) cable that can be used for 1 0 GBASE - T networks that must sepon 1 0 0 me cade lang tha a . Category 6 a

Student Name: Student Id: Question: Design a combinational circuit that converts 4 - bit gray code to binary code.
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Describe all of the different options you have for the Where clause.(i.e. Like, In, etc)

how would i modify this code to read in information from a file and then output into a file #include #include #include int main() { char ch; float voltage , current , resistance , result, R1, R2; printf("Choose from 1 to 6 from the following: "); printf("1.Ohm's Law To Find the voltage. "); printf("2.Ohm's Law To Find the current. ");

Q-3 Being Credit Manager of AKBL, one of your customers has asked for the extension in loan payment due to Covid-19 situation. Write a reply regretting his request
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Hi I wanna write a java program which is Edit distance. I have been searching for algorithm through the Internet but I was confused when I given two strings. Users would be given two strings and have to print output look like this results with grid, table what should I do to make it following codes below? public int minDistance(String word1,
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a) What is the binary representation of the following hexadecimal numbers? Show the conversion in details. 457898A0 b) What is the 16-bit hexadecimal representation of the following signed decimal integer? Show all the steps of conversion in details. -39

1- Restaurant.Address address = Restaurant.new Address(); is used to construct a new object of the class Address which is an inner class to the class Restaurant. Select one: True False 2- All methods in a final class are automatically final. Select one: True False 3- method overloading is not possible in Java if a method if declared as abstract.

Which one of the following is true about conditions? Group of answer choices A a condition is used to pass data across pages B a condition is a type of variable C a condition must be met for the actions in the case to be performed D a condition is used to store a value Question 2 0.05 pts If you have two cases, what happens by default if the

Write a C program for the following: Create a doubly linked list. The elements will be entered till the user enters -999. -999 will not be taken as the input to the list, just to end the entering. Make sure one of the entered elements is 35.. Insert a new element after the existing linked list element 35. If there are more than one occurrence of

13. SELECT FName,LName FROM DANCES WHERE Dance='Bachata' AND Dance='Salsa' query returns which one of the following a) First and Last names of People who can dance " Bachata". b) First and Last names of People who can dance " Salsa". c) First and Last names of People who can dance " Bachata" or " Salsa". d) First and Last names of People who can

Numbers of year in existence of IEEE

The popularity and variety of mobile devices such as phones, smartphones, tablets, PDAs, and others has complicated the computer forensics arena. Many mobile devices can use proprietary software systems which make retrieving and accessing information more challenging. 1. What are some challenges in working with mobile devices as it pertains to

1. Prove or disprove the following statement using a truth table [(A B) C] [(A C) B]

please answer questions 9 and 10. thank you ..1 T-Mobile 1:24 AM 28% 62 .read Build-DB-SaleCo- ver1.sql LINE MIEH CUSTOMER ENCODE LENOVO ONLINE WR LINE UN PODE GS BACODE CUS CUSCODE LEICE GUS SALE UPON OS ME # F.CODE VENDOR P_DISCOUNT OR VAME VRHOME H VOR V STAR DESCRIPTION HOME Submit Assignment Previous Next BED Dashboard Calendar To Do
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how to creates own software in C++ programming. also mention the code. the code should not be less than 100 line. the setup used must be Dev C++. the software will be a car game

What type of file is / etc / motd ?

1. Precise English that describes what a program does is known as. a.) Reference b.) Binary c.) Pseudocode d.) Functions 2. is this answer true or false? The number of bits that a particular computer uses to represent an int depends on the design of the CPU. 3. is this answer true or false? Python does not know how many times a definite loop will

I need help with number 14 given the cake2 height and radius'. The cake is composed between 3 cylinders. Given R1, R2, and R3, How can I calculate the surface area of the entire cake. URGENT we know that the bottom layer of the cake is 25% larger than the middle layer, and the middle layer is 20% larger than the top layer. we also know that the
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Discrete Math A language is defined by using a BNF( back naur form) notation as follows: A ::= 1 | 0 B ::= 1 | 0 | 0 C ::= 1 | 0 | 1 (i) Draw the simplest finite state machine based on the BNF notation. (ii) Write the simplest regular esxpression as defined by the machine above. (iii) Write the simplest phrase structure grammer, G={V,T,S,P} as

When trying to use the "Select / Filter " process in Excel, you should sort your data by the variable of interest first. True False
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Read and critically analyze the story at this link. Based on the knowledge you have gained in this CMPS185 course write a comprehensive report on the techniques that were used by the attacker. For each attack techniques you identify, explain why you think the attacker chose this technique - what makes the technique suitable in this scenario?
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Complete the following main program to calculate and print the sum of elements in the first three rows of the array arr ( Assume that arr is already filled with integers so DO NOT fill it up ) (note: also assume that R > 5 and C > 5 are defined as constants at the top of the program) int main() { int arr[R][C]; // only fill the code needed here

I need help with the following Final. If you can provide the commands so I can enter them into the bash environment. I want to enter them myself so I can become more familiar. Getting Your Bearings: In this section of the final project, you will demonstrate your ability to execute commands to verify and confirm the status of the directory, files,
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Translate the ER diagram into relational database tables (i.e. give the SQL DDL statements). Make sure that the translation captures key constraints (primary keys and foreign keys if applicable) and participation constraints in the ER diagram. Identify constraints, if any, that you are not able to capture. Branch num Staff num Name ContractExt num
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c++ loop Question 6(15pt): Print an alphabetical triangle Write a program that takes the height of the triangle, then it prints the triangle like below. Expected output 1 (bold is user input) Enter the height: abcd efg hi Expected output 2 (bold is user input) Enter the height: 10 abcdefghij klmnopqrs tuvwxyza bcdefgh ijklmn opqrs tuvw xyz ab
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use Python # Returns an arbitrary primitive degree-th root of unity modulo mod. # totient must be a multiple of degree. If mod is prime, an answer must exist. # Hint: function find_generator() is required. def find_primitive_root (degree, totient, mod): print ('degree, totient, mod', degree, totient, mod) nt.check_int (degree)
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Which of the following token is used to separate two sentences, when passed as a combined input to the BERT model? [ CLS ] [ PAD ] [ SEP ] [ END ]

[9 marks Order Notation. In this question we consider algorithms A, B with runtime functions a(n),b(n). For each of the following three scenarios, indicate whether the claim is true or false, and give an informal argument to support your answer. a. [3 marks If a(n) = 2nVn and b(n) = n2.5, then a(n) (6(n)). b. [3 marks If a(n) = 3n2 + 5n and b(n) =
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TRUE OR FALSE: 1. a) Supposed that a packet travels over the path of (host1, router1, router2, router3, host2) . When host2 receives the packet, the source MAC address of the packet is the MAC address of host1. b) Supposed that a packet travels over the path of (host1, router1, router2, router3, host2) . When router3 forwards the packet to the

Syntax for declaring pointers in c programming

Prescriptive analytics is considered to be a step further ahead of predictive analysis and substantially different from it. Provide an example of each and outline their differences.

Assignment 1 1 - Write a C program that use the fork system call to parallelize the task of finding the sum of a given range of numbers. Assume the range of numbers start from 1 to 1 0 0 and the program divides this range into two half's and creates a child process to find the sum of the first half while the parent process finds the sum of the
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Problem 2. Fractal Tree (5 points) A tree fractal is usually the first fractal to be learned. It is generated by recursively dividing a stem into two branches right and left and recursively drawing them. Complete the function draw_tree( t, branch, angle, n ) shown below, where t is a turtle object, branch is the length of a branch, angle is an
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Research and discuss how we control the flow of logic in a program. What are the selection statements used in Python? Describe the operation of each. What is an iterative statement? Discuss the formats and operations of the two iterative statements discussed in the unit. When would each be used? What is an off by one error? How may it be

Problem Specification Develop an application in Python to determine the distance between two real world objects in different measures of distance. You are to write a Python program that will compute distance and between two coordinates based on longitude and latitude angles in three contexts geometric and unit of distance contexts. Three versions

Write a java program to cracked lottery code

Imagine that you are starting a dating Web site to help match compatible couples. Give your site a name and answer the following questions about the site: What sort of personal data might you need to gather, and why? What measures might need to be taken to protect this sensitive data? Explain. What key statements might potential users wish to see

Given a database consisting of one first normal form relation FIRST with attributes (A, B, C, D, E, F, G, H, I J and the functional dependencies as well as the dependency diagram as follows: Functional Dependencies {AB ? C, BD ? EF, AD ? GH, A?1, H ? J]. Dependency Diagram What is the key for FIRST? Normalize FIRST into second normal form by
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spidera re considered to be software programs to create we documents true or false

For the students that are currently studying in UK or USA display the following information: Student_id, student_name, last_name and the total amount of scholarships that student receives STUDENT(student id, name, father_name, last_name, gender, bth_date, birth_place, highschool_code, leaving_date, graduation_year) NOTE: Specifications for
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Need help with corrections #include #include using namespace std; int main() { bool hasDigit; string passCode; hasDigit = false; cin >> passCode; passCode="abc"; for(int i=0;i

(20 pts) Consider the following strategy for choosing a pivot element for the Partition subroutine of QuickSort, applied to an array A Let n be the number of elements of the arrav A If n
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Representation of signed numbers 1. In an 8-bit system, find out the binary representation for -47 using sign-and-magnitude, ones complement, and twos complement, respectively. 2. In a 4-bit system, find out the binary representation for -4 using sign-and-magnitude, ones complement, and twos complement, respectively

What are the basic methods of attacking locks and some ways to circumvent locks if they cannot be opened? answer must be 3 to 4 lines

What type of cipher isa Caesar cipher

java ceaser key encryption question I need to encrypt this password: R2D2c3po using the key: 101010 and the result for the above test case must be kK]K|L*) i must utlize the following formula (mainpulated as needed) C = (charValue + key)mod(alpLength) the alphabet will be between 32(space) to 126

Question 18 Where were graphical user interfaces (GUIs) first practically developed? O Apple O IBM O XEROX PARC O Microsoft
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Which algorithm is typically used for shortest path routing in networks? a ) Kruskal's Algorithm b ) Bellman - Ford Algorithm c ) Dijkstra's Algorithm d ) Prim's Algorithm

Solve using MATLAB or Python 6.13 Using a library routine or one of your own design, find least squares solutions to the equations: 2, (x1-2)2+x = 2, sin2( cos2(T2) 0, = 0
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Assume that the nodal processing delay is negligible. Also, assume that the link between A and the router is 10,000 meters long and the link between B and the router is 20,000 meters long. If the propagation speed in both links is 200,000,000 m/sec, answer the following question: Assume that B sends a 2GB (2 34 bits) file to A after chunking it to

for each of the problems listed below write the c++ program while using WHILE loop structures 1. A program will display each term in the following sequence 1 1/2 1/3 1/4 ... 1/100 2. A program will calculate and display the final sum 1^2 + 2^2 + 3^2 + ..... + 10^2

design a 2bit UP DOWN counter using a JK flip flop that counts up when input is zero and counts down when input is 1

This is an x m l of lg r thms for m ut ng n r t of a qu dr t qu t n presented by natural language Input a Input b Input c Compute z = b Compute y = - b * b Compute w = 8 a Compute v = wc Compute u = y - v Compute Compute s = z + t Compute r = 2 a Compute x = s / r . Group of answer choices True False

Please do all parts and attach source code and document. Explain how you did it. Credit:15 points Objective: This program assignment is given to the Operating Systems course to allow the students to figure out how a single process (parent process) creates a child process and how they work on Unix/Linux/Mac OS X/Windows) environment. Additionally,
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/* * Find the first element in A that is * not also in B. */ 01: int firstNotIn (int* A, int* B, int nA, int nB) 02: { 03: int pos = 0; 04: bool found = false; 05: while (pos < nA && !found) 06: { 07: if (find(B, B+nB, A[pos]) != B+nB) 08: found = true; 09: else 10: ++pos; 11: } 12: if (!found) 13: { 14: pos = -1; 15: } 16: return pos; 17: }

Briefly describe each of the eight levels of precedence.

For the average case of Insertion Sort we assumed that because a list can have at minimum 0 inversions and at maximum C ( n , 2 ) inversions then we can conclude that an average list has C ( n , 2 ) / 2 inversions. This is a somewhat hasty conclusion with weak evidence. Let s investigate this in more detail. In what follows assume a list of length

1. Suppose the key sequence is {2,1,4,5,9,3,6,7} (a) [6 points] Following the above order, please insert each key and build an AVL tree (Hint: You can keep some important intermediate results to get some points if the final result is wrong) (b) [4 points] Draw the AVL tree after removing key 4
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A control system is measuring its feedback quantity at the rate of 100 s. Based on the measurement, a control command is computed by a heuristic algorithm that uses complex decision making. The new command becomes available 27 54 s (rather evenly distributed) after each sampling moment. This considerable jitter introduces harmful distortion to the

(IN C++) Make a program that can write and read advice to a file. Your program should not require a data file to be present when it is run. If a file needs to be created, your program should do so. According to ANSI standards, all compilers should operate the same way. Naturally they do not. David Busch one of my Spring 2011 students, managed to

Traditional Symmetric Key Ciphers For each part below, use the following plaintext message and show your work. Plaintext = Hello World What is the corresponding ciphertext if a Playfair cipher with the following key is used?

Draw the circuit diagram of the following expression: W(X + Y + Z) + XYZ
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Home Uptions - Chun. Dashboards E-Library - ITU CareerHub Support > CSC 5221 Coursework question 4 out of 10 time remaining 01:11:0 New: Please select ALL of the true statements To create a new line using Markdown, end the previous line with two spaces. To create a new page with LaTeX use the following command: ewpage Select all correct answers
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ALGORITHMS QUESTION: You have nine books all of the same weight except one book is lighter than the others. You have one balance scale and are allowed only two weighings. Develop a divide and conquer method for finding the lighter book.

In this question, well figure out how to find the greatest common divisor of three integers. (a) Prove: for any positive integers a, b, d, if d | a and d | b, then d | GCD(a, b). (b) Given positive integers a, b, c, we define GCD(a, b, c) to be the positive integer d such that: i. d | a and d | b and d | c ii. for any positive integer e, if e | a

What are the causes of database and index disorganization?

1.Create a windows application to display the the vb mail order customer table from the vbmail.mdf databse from the student data folder on the text web site. Use the navigtion bar to move from record to record. 2. Create a web application to display the customer table in a grid on a web form. Hint: Use a datalist control for the grid. The customer

17 . Using the concept of runtime polymorphism write a program with following specification a) Create two classes base and derived b) Class base has public access modifier and function called show which is virtual and displays "Base Class" c) Derived class also has public access modifier and function show which displays "Derived class" d) Create
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Statement of Work: Implement a generic stack container. Implement a program that converts infix expression to postfix expression and implement a program that evaluates postfix expression using the stack container you developed. Project Description: A stack is a type of data container/data structure that implements the LAST-IN-FIRST-OUT (LIFO)

Hangman game: Develop a GUI - based Hangman game application. The game should allow players to guess letters to complete the name of a country. The GUI should feature a visually appealing interface displaying the progress of the country name as dashes, reveal correctly guessed letters, and track the number of incorrect guesses. Describe the

In this lab you are going to implement basic login and logout operations using the Servlet Session Tracking API. 1 . Create a Java class User that represents a user. In particular, the User class should have at least three properties: name, username, and password. You may add additional properties like id if you want. 2 . Create a servlet Login as

a = 5 b = 1 c = 9 d = 1 5 Part 1 Exercises 1 A ) Open a new script ( top left button in Home menu ) and type your name and student ID number as comments in the top two lines of the script, as designated below. Comments in MATLAB start with a percent sign, MATLAB won't read anything after them, and these will be displayed as green text. % First
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7) Assume that the congestion window of a TCP flow was 20 segments long when a timeout occurred. Assume that there are no segments or acknowledgments of this flow that were in transit when the timeout occurred. The round trip delay for the flow, i.e., the time from the completion of a segment transmission until the corresponding ACK is fully
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The exclusive tight to display a symbol of product identification is a:

C++ please! Jump to level 1 Potential energy is given by objectMass planetGravity objectHeight. Write a program that reads double variables objectMass, planetGravity, and objectHeight from the input, respectively, and computes potentialEnergy using the formula. Then, outputs "Potential energy is " followed by the value of potentialEnergy to five
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Describe the technologies Web servers use to tailor customized Web pages that respond to users' request. Include a comparison of client-side and server-side approaches and note at least one advantage of each.

what terms refers to a person who breaks into systems to steal or destroy data

Program in python programming language Exponentially Distributed RVs The goal is to simulate an exponentially distributed R.V. (T), given by the following PDF: 2exp(-2/), 20 0, t
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Write a Matlab code that applies the region growing algorithm to segment a tumor in a medical image ? I want the photo that show the grow for tumor as areault for the code ?
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Name and describe the three steps of database performance management.

In this question, we will use java to implement the algorithms mentioned in this question: https://www.chegg.com/homework-help/questions-and-answers/course-algorithms-data-structure-based-question-answer-https-wwwcheggcom-homework-help-que-q107659115 Course: algorithms of data structure Send a picture of the code and write with it a comment
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An interpretation _ _ _ _ _ _ _ _ _ _ a wff if the wff is TRUE under that interpretation. a . predicts b . contradicts c . satisfies d . infuriates

Design the following expressions using PLA: F = Sigma (m_1 + m_3 +m_5 +m_9 +m_13) F = pi (M_1. M_2. M_8. M_10)
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I know the correct answer. I marked the correct answers with the box. Could you explain in detail why it is the correct answer? I would also appreciate it if you could tell me what subject I should study for such questions. The name of the course is microprocessors. If you don't know, please don't answer, my question is going away. What are the
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* * Which requirement type specifies what the system should do and how it should perform? * * A ) Business requirements B ) Functional requirements - C ) Non - functional requirements - D ) User requirements
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package fp; import java.math.BigDecimal; import java.util.ArrayList; import java.util.Comparator; import java.util.Map; import java.util.function. * ; import java.util.stream.Collectors; import java.util.List; class ExerciseNotCompletedException extends RuntimeException { public ExerciseNotCompletedException ( ) { super ( " Exercise is not

Compute the weakest precondition for each of the following assignment statements with their given postconditions. (a) a = 2 * (b 1) 1 {a > 0} (b) a = a + 2 * b 1 {a > 1}

Please following the "Demo Video for Simple Calculator" in the blackboard to create the same project and get familiar with the basic Event driving program. At the your program, add another button to calculate the square root, Use may use IntellJ IDEA or Eclipse or any IDE to develop your code. Debug and test run the program correctly. You need
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Write a function int_shifts_are_arithmetic() in the C language that yields 1 when run on a machine that uses arithmetic right shits for data type int and yields 0 otherwise.

How is triple-Des backward compatible?

Draw sequence diagram with explanation. OOP design JAVA ASAP Country[] countries = new Country[] { new Country("Uruguay", 176220), new Country("Thailand", 514000), new Country("Belgium", 30510) }; largest(countries); -> sequence diagram of this method call public static Comparable largest(Comparable[] values) Comparable result = null; for (int i =
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Find the cipher text using Columnar Cipher if the key is zebras and the plaintext is we have discovered. Consider the spaces between the words.

DimDate table should have IsMartinLutherKing (BOOLEAN data type),IsThanksGiving (BOOLEAN datatype) Need detailed steps to do this boolean statement in SSIS

PL/SQL need some help writing this out in PL/SQL 1) Write a query to return the department number and the total number of employees (in the associated department) whose makes more than $3,000. 2) Repeat step 1, and filter the results so that returns only department number with more than 2 employees who earns more than $3,000. 3) Repeat step 2 and
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Please provide a short description of each Each question is worth 4 marks. 1. What is Hypertext Markup Language (HTML) and what does it describe? 2. How many ways Cascading Style Sheets (CSS) can be inserted into a web page? (Briefly explain each). 3. What is the difference between a website and a web application? 4. What is the most common use of
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