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Databases Questions and Answers August 20, 2018

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write in coral Write a for loop that iterates numDashes times. Each iteration: Put " - " to output. Ex: If input is 4 , then output is:

PLEASE DO THIS IN JAVA!! Exercise #2: Design and implement a JAVA program (name it Diamond) to print out the following shape using stars: * * * * * * * * * * * * * * * * Exercise #3: Design and implement a JAVA program (name it Rectangle) to calculate and display the area and perimeter of a rectangle with width = 4 and height = 8. Format the

USING C++ 2. (20 pts) Write a simple single thread CSC4420 she.e., no concurrent commands, to support at least the following built-in commands: prompt can set to any string you input, in addition to the current history event number, ie, %h as in csh; o url: list the course web site o hour: list class times o room: list classroom location o desp:
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Most of Wi - Fi standards utilize ALOHA principle Group of answer choices True False

Write a shell-like program that illustrates how UNIX spawns processes. This simple program will provide its own prompt to the user, read the command from the input and execute the command. It is sufficient to handle just "argument-less" commands, such as ls and date. " in C"

The time required to upload a file to the internet

Which term describes the ease with which users can learn and use a system? A . Accessibility B . Usability C . Flexibility D . Compatibility

Part I: The Design In this section, you are asked to finish the design of a computer program according to the information and instructions given below. A Registry is thought of as a store where you can remember objects. You can add a member to a registry, print the contents of the registry, and sort its members. Registry is a Java interface: it is
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When you realize that you can create a supertype with a set of entities, you are approaching the problem using a process known as Question 1 5 options: Overlapping Disjointness Specialization Generalization

In Boomi, Which of the following statements regarding Queues is true?The Atom Queue provides a simple, native solution for reliable asynchronous process execution,Atom Queue messages can be directly accessed from outside the Atom,Boomi processes cannot use third - party JMS - based message brokers and must utilize the Atom Queue,Atom Queues are

List potential steps you would take to analyze the windows registry to identify if a crucial software is deleted from a forensic standpoint?

who is primarily responsible for ensuring youth are safe during Scouts program activities

- Write Array of Bytes to a RandomAccessFile - close() Creating a RandomAccessFile Before you can work with the RandomAccessFile class you must instantiate it. Here is how that looks: RandomAccessfile file = new RandomAccessfile("c: \\ data \\ile.txt", "rw"); Notice the second input parameter to the constructor: "rw". This is the mode you want to
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using pic16f887 to control 2wh wheel car with Two 9V DC Motors and L293D motor driver Controled with IR Remote Control CCS C code the car should move forward, backward, right and left
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The expression 5 % 2 evaluates to
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Code in java using methods and classes. Use two files, one which holds the methods and class, and another which is the tester file containing the main Write a program that generates a sequence of 20 random die tosses in an array and that prints the die values, marking only the longest run, like this: 1 2 5 5 3 1 2 4 3 (2 2 2 2) 3 6 5 5 6 3 1 If

DISK SPACE: 0: 00 00 00 00 00 %% %% %% %% %% %% %% % 25: 00 00 0^ ^^ ^^ ^^ ^^ ^0 00 00 00 00 0 50: 00 00 00 00 00 00 00 00 && && && && & 75: && && && && && && && && && && && && 0 100: 00 00 00 00 00 00 00 00 00 00 00 00 0 125: 00 00 00 00 00 00 00 00 00 00 00 00 0 150: 00 00 00 00 00 00 00 00 00 00 00 00 0 175: 00 00 00 00 00 00 00 00 00 00 00 00
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IN C PROGRAMMING Q. ARRAY330 Given an array of ints, compute recursively if the array contains somewhere a value followed in the array by that value times 10. We'll use the convention of considering only the part of the array that begins at the given index. In this way, a recursive call can pass index+1 to move down the array. The initial call

Write, test, validate, and debug (if necessary) markup documents and JavaScript files for the following: 6.1 The document must have a paragraph of at least 10 lines of text that describe you. This paragraph must be centered on the page and have space for 20 characters per line only. A light-gray image of yourself must be superimposed over the

Rewrite the gcd function based on the following observations (arrange so that a>b ): a. gcd(a,b)=2gcd(a/2,b/2) if a and b are both even. b. gcd(a,b)=gcd(a/2,b) if a is even and b is odd." c. gcd(a,b)=gcd(a,b/2) if a is odd and b is even. d. scd(a,b)=gcd((a+b)/2,(ab)/2) if a and b are both odd. Write a main function to test your gcd function.
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What is the purpose of a cryptographic key? 2 a . To compress data b . To perform mathematical operations c . To create hash values d . None of these e . To encrypt and decrypt data

show binary heap tree resulting from inserting a random list of integers as parameters to build heap method in python, show both list and tree form

Implement a class called Student. Each student has a name, count of number of quizzes taken, and a total quiz score. Supply a constructor and the following methods: getName() addQuiz(int score) getTotalScore() getAverageScore() Test your Student class in main method and write a separate Main class that utilizes Student class. Submit .java and

The component design transforms structural elements of the software architecture into a procedural description of software components. Group of answer choices True False

I need help with this C++ Data Structures Program. PLEASE FOLLOW ALL THE INSTRUCTIONS LISTED BELOW. I will rate your answer if it works! Thank you, in advance. Five friends decided to play slot machine, each one has a different amount of money unknown by the others. There is only one machine, to be fair the casino manager decided to give them
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Which one of the following is NOT true regarding IP addressing? Group of answer choices An IP address consists of a network ID and a host ID . An IPv 4 address is a 3 2 - bit dotted decimal address and divided into 4 separate sections called Octets. An IP address is assigned to every network device to allow it to be found while on the Internet. IP

1. Identify to scenario for taking a doctor appointment and then draw the related sequence diagram.(using UML). 2. Draw an Activity Diagram to model the purchasing of goods using ATM card via Point Of Sale.(using UML). Computer science, Software Engineering.

What does Fittss Law predict? A . The time required to move to a target area B . The optimal size of a button on a screen C . The user satisfaction with an interface D . The error rate of users in an interface

########################################################### # Lab 3 # Name: # Date: # # Description: # Write main and one subprogram read_values. # # main should have two static variables sum_var, count_var, and also a static array # of 10 integers (array_var), all have initial value of 0. It will load address of # that static variable and pass it

Susan has discovered that an incident took place on her network almost six months ago. As she prepares to identify useful data for the incident, which common policy is most likely to cause her difficulties during her investigation? Group of answer choices A . Configuration standards B . Communication policies C . Incident response policies D .

Review the following skeleton of a very simple linked list node for storing integers. Add the two lines of code needed to complete it. public class LinearIntNode { //TODO: need to store int. //TODO: need to store next node. }

Create the three classes shown below in figure 1 : 1 . PhoneDetails class, this to provide the phoneNum, with set and get functions 2 . Person class, to provide information as user name with set and get functions 3 . ServiceProvider class, to provide the name of the service provider name ( i . e . Vodafone, BT , etc. ) with set and get functions.

Computer Organization and Design MIPS Edition: The Hardware / Software Interface ( The Morgan Kaufmann Series in Computer Architecture and Design ) 6 th Edition

Which of the following methods are applicable to Business Intelligence Question 9 options: a ) Convert information into knowledge b ) Convert data into information c ) Depends upon skills, experience and expertise coupled with information. d ) Presents data in a meaningful and actionable way. e ) Collect and structure data

Pierre has entered marks obtained by the students in all the classes he teaches in a spreadsheet. Now he wants to highlight some data according to his specifications. Which spreadsheet feature should he use? What - if analysis Run macros Sorting and filtering Conditional formatting
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Implement Dijkstra in the following complexities in python: a) Implement Dijkstra with complexity O (V ^ 2)) b) Implement Dijkstra with complexity O (E log V)) c) Implement Kruskal with complexity O (E log V))

What is the purpose of the 'definition phase' in the software development lifecycle? A ) To create the software architecture B ) To gather and specify requirements C ) To develop and test code D ) To deploy the software

Consider the situation faced by Golden Beverages, a producer of two major products Old Fashioned and Foamy Delite root beers. Golden Beverages operates as a continuous flow factory and must plan future production for a demand forecast that fluctuates quite a bit over the year, with seasonal peaks in the summer and winter holiday season. How should
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Write a piece of MIPS assembly code that counts number of 1s in the binary representation of the value stored in $t0 and saves the result in $t1.

Documents in detail the work that must be completed for a particular project. A. SOW B. MOU C. RFP D. ROU periomm four functions (a) Connect aissimilar necwecks, ow wo perilicest trathic if a primary poih is down but another path is avallable. ithutar What are the three types of changes to existing software? A. Patch, Upgrade, Rollback B. Hotfix,
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please answer quickly - Filling in the blanks ( 1 point per blank, 30 points totally) 1) There are the two great families of data types in C : and 2) The modern computer is consists of and 3) Everything stored in a computer is stored as 4) CPU consists of and 5) Computer programs ultimately have to be expressed in. 6) The seven steps of
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Are expert answers made public? I can't seem to find an answer to this question on Chegg's Help.

use the interface and tester provided For this assignment you are to use NetBeans to implement the interface named ListOfString_Interface provided with this assignment. Below are additional details for this assignment. Details 1. Your class must be named SLinked_ListOfString. 2. It must implement the interface ListOfString_Interface. 3. The class
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Give regular expression and NFA for the following grammar 3-) a A A-> bA la B - BalaBl BA
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Which statements regarding simplex, half - duplex and duplex transmission are FALSE ( More than one statement applies ) ?

Which of the following is true of a Linux thread? Exactly one programming thread makes up a process. A thread is essentially a whole program. A thread can execute the program code currently run by another thread. The threads of a process can execute a specific part of a programs' code.

Which of the following data structures is used in the implementation of a depth - first search algorithm? a ) Queue b ) Stack c ) Array d ) Linked List

" 5 . long _ word ( ) QM 0 5 . "

Vertex Distance from start z y x w v u t a) Find the shortest paths and distances between each vertex and "Start" using Dijkstra's algorithm. On the graph above, mark the separations (between vertices) and highlight the used edges. b) What is the order in which the edges are selected using Dijkstras algorithm? 1st: _______ 2nd: _______ 3rd:
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According to the lectures, of the devices that are used for connecting computers with each other, a _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ is the one which is distinguished by the fact that any information that is sent through it is available to all of the computers on the network

for JAVA -- Write a method named repeat that accepts a String and a number of repetitions as parameters and returns the String concatenated that many times. For example, the call of repeat("hello", 3) returns "hellohellohello". If the number of repetitions is 0 or less, return an empty string.

For this assignment you are to use NetBeans to implement the interface named ListOfString_Interface provided with this assignment. Below are additional details for this assignment. Details 1. Your class must be named SLinked_ListOfString. 2. It must implement the interface ListOfString_Interface. 3. The class for the singly linked list nodes must
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Blink light code

1. Find an example of an intensity image, an indexed image and an RBG image on the internet. Import them to MatLab and display them. 2. Follow example 14.1 to create a fractal image of your own choosing. You will need to do some research to find the recursive function that will create the fractal. There are some on page 592, and there are millions

What information would you find in the header of a Transport layer PDU?Group of answer choicesdestination IP addresscyclic redundancy checksource MAC addresswindow size

PLEASE COMPLETE FULLY FOR THUMBS UP!! Problem 1 Create a responsive web page about introduction to yourself (which displays well in various browse viewport sizes), and the web page should satisfy the following conditions: (30%) It is a single column design when the browser viewports minimum width is 600 pixel or less. (30%) It uses a two-column

I want you to add sell relationship in this er diagram, and add specific keys for sell. So in general this will be car showroom er diagram which includes sell and rent realtionship. Other keys can stay as they seem. And according to new er diagram we need these: Relational Schema Data Dictionary and Mapped of ER diagram please send as a drawn image
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Write a system program in C that outputs the number of words in all files in the current working directory in sorted order (minimum to maximum). Also, report the file name which has the most number of words.

Consider the recent intrusions around the world of large and important databases. Is here a safe place anymore for companies to store their data? Discuss how companies today are trying to overcome the cyberthreats of today. Don't forget the people element in all this.

Describe the following Relational Model Constraints: ( a) Domain Constraint, b) Key Constraint, c) Entity Integrity Constraint

what is the output? public class Test1{ public static void main(String[] args) { String[] a = {"TRUE", "FALSE"); swap(a); System.out.println("a[0] = " + a[0] + " a[1] = " + a[1]); public static void swap(String [] a) { String temp = a[0]; a[0] = a[1]; a[1] = temp
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Answer 1 and 2: 1. Find the maximum item. We have an array of numbers and we are looking for the maximum item in the array. We have some additional information about the content of the array: The numbers are increasing and at some point they started to decrease. For example: 1,3,4,5,8,10,12,15,13,12,9,8,7,5,3,2 (the maximum value is 15)

Evaluate the integral 23 cos xsin dx. Let y = cos x, du = -sin x dx. 0 3 23 Jcos x sin xdx - 0/3 L
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Help in C++ In this project, you will design a simple word processor. Your word processor will take a line of input and align it left, right, or centered. It will also report word count and average word length. To have an idea of what the end result will be, an example execution is shown below. The first four lines are prompts for input, the other

what is the result of ! ( false | | true && false ) ?

What does the operator () stand for A/B in HDL? Intersection Complement Union Concatenation
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is a page limit of 1 0 pages in Word and 6 worksheets in excel. 2 . 3 . Assess Shop Thursdays' internal strengths and weaknesses. Assess the external environment that Shop Thursdays was operating in . Outline the qualitative pros and cons of maintaining the Exchange Tower location or increasing the focus on Thursdays' online shop. 4 . Calculate

The FROM clause identify's the relation ( s ) to be used for query execution. True or False?

Write a function stats() that takes one input argument: the name of a text file. The ;function should print, on the screen, the number of lines, words, and characters in the file .your function should open the file only once stats(example.txt) >>> line count: 3 word count: 20 character count: 98

Using R programing do the following DATASET Number of Stories in Tall Buildings The number of stories in two selected samples of tall buildings in Atlanta and Philadelphia is shown below. Source: The World Almanac and Book of Facts. Create both datasets in R by using the concatenate a vector method, i.e. c(). You may use the variable name "data_A"
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Processor Compatibility and Recommendations List up to 1 0 processors supported by your motherboard, as per the motherboard documentation or website. In the scenario where your current processor ( e . g . , Core i 5 - 8 6 0 0 K ) fails, recommend a replacement processor. Justify your choice with respect to performance and cost considerations.

"Consider the following EER diagram and answer the following questions: [10 marks] *Answer with true or false: 10) ( ) E1 has a relationship A with E3 11) ( ) E3 is a subclass of the superclass E 12) Map the EER diagram above to relational schema
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Which of the following is not a socket type: Group of answer choices TCP UDP IPv 6 MVP 4

Unit 2 momilay, Moy 6 + h 2 0 , 2 4 abjective: Practice the use of Post continuores tense the chibbrenwesploy hide and reek in the park ( play ) they uuresego to the movies ( go ) I uupreas the book you gave me on my ( not read ) the book you garve birtholoy Winnie druss wear her neu dress ( uear ) the dogs q , ( bark all Night? Rom ( clean ) q ,

A customer can send and receive one or more orders. He must provide his name and location. The order when received, it will be confirmed and then closed. The order has a date and a number. There are two types of orders: Special and Normal. Special order can be dispatched faster. Normal order is handled in different way once received.

Give a turing machine that decides L = {a n b n | n 0}.

A user downloaded and installed a new driver for her video card on her Windows 10 computer. Now, the user complains that the monitor occasionally flickers and goes black for a few seconds. The system has restarted twice. What should be done to solve this problem?

Study the truth table shown below used to define the requirements for a 2 -bit ASR/noS circuit (circuit not shown). Now, complete the truth table for and then develop a SDL circuit definition for the 3 -bit ASR/noS circuit . Draw your circuit before starting to code SDL. Use the driver program you find on Blackboard to test your circuit design.

1. It is possible for a Simple Reflex Agent to be perfectly rational in this task environment? 2.Is the agent described there rational for this task environment? 3. If you answered yes to 2 explain why, if you answered no explain why not A vacuum-cleaner world with just two locations. Each location can be clean or dirty, and the agent can move
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Is it possible for an application to enjoy reliable data transfer even when the application runs over UDP? If so, how?

What does HCI stand for? A . Human - Controlled Interface B . Human - Computer Interaction C . Human - Computer Integration D . Human - Centric Interface

Introduce 1 0 0 0 0 0 ( N ) integers / floats randomly and save them in a vector / array . Find the 1 0 0 smallest elements using the following implementations.Record the execution time among 6 different number rages ( ex: numbers ranges fit into int, long int, long long int. float. double, long double ) 1 . Implement a Priority Queue implemented

Pts ) a . The bandwidth required in the link - state routing protocol is more than distance - vector protocol and the link - state requires a global view of the network. b . Link state converges slower than distance - vector algorithm because of the larger table size of the link - state algorithm. c . Open Shortest Path First ( OSPF ) is the best

Many - to - many relationships between strong entities are typically represented in database design by creating an intersection table.

What is the basic syntax to write an attribute? Attribute _ name: Object _ name ( parameter ) Object _ name : Attribute _ name ( parameter ) Object _ name' attribute _ name ( parameter ) Attribute _ name' Object _ name ( parameter )
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C++ Create a program to calculate how many months it will take to pay off a credit card given current credit card balance, annual percentage rate, the monthly payment amount. Add 10% to the monthly payment and recalculate the number of months. Report the results in a table. Input: Prompt for the clients name the current credit card balance the

Write a C + + class called 'library' which contain the following members: 1 . Private member variables for book Title, author name, and is available. is available to check if the book available in the library or not. 2 . Parametrized Constructor to initialize all data members. 3 . lendBook ( ) - member function to lend available book. Display

In object - oriented programming, which of the following concepts means exposing only necessary information to the outside world and hiding implementation details? a ) Inheritance b ) Encapsulation c ) Polymorphism d ) Abstraction

) Compute each of these double sums: i) (2i + 3) ii) ii) 1-0 = 1 O o]
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ANSWER IN C LANGUAGE: Output all combinations of character variables a, b, and c, in the order shown below. After the final output, end with a newline. If a = 'x', b = 'y', and c = 'z', then the output is: xyz xzy yxz yzx zxy zyx Your code will be tested in three different programs, with a, b, c assigned with 'x', 'y', 'z', then with '#', '$',

If a data value eneterd for an attribute is larger than the size declared by VARCHAR, the value will be truncated and stored. True or Flase?

A function is called from the main function and then it calls itself five times. The depth of recursion is _ _ _ _ _ _ _ _ .

In 1985, Lucky Clover Shoe Company was started by John Kingsley as a small custom shoe store in Nowhere, SD. Innovation and determination evolved the single employee shoe store into a regional brand. For years, Lucky Clover Shoe Company has thrived without an online presence. Based on a recent market analysis by Marketing Manager Reginald Jones,

Conduct research on semidefinite and second order cone programming concepts; a) explain the basic terminology, and, b) develop a total of two-page summary of relevant three applications from research publications (with only complete citation details) within the last one-year period.

The language is python 3. Please help. Lab 6: Student Database Due: Friday, Mar 15th at 11:59 PM Effectively use loops, list comprehension, dictionaries, and trylexcept blocks to implement a simple student grade database Anyone who ever served as a teaching assistant before learming management systems became prevalent would remember the massive
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If you are referencing cell ( C 2 ) in Excel and want to be able to copy the formula and keep using the data in cell C 2 in every place you copy it to , how do you reference the cell, you don't need to include the = ? Answer format: Text
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Please help with the first cipher, the substitution cipher which must be done by completing the TODO parts in the code. Here are the requirements that must be fulfilled: 3. Substitution cipher (implemented in cipher.h and cipher.cc) class has already been defined (but not implemented) for you. The other cipher classes MUST a) inherit from the

You oversee the data center that supports the corporations web server. What would a risk management plan look like for that webserver? Include Threats, Scope, and Responsibilities.

hittos: / 1 postgres.sophia.orgl Which type of backup would result in the largest storage space? Incremental backup Nightly backup Full backup Differential backup
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4 . 5 % complete Question An organization has identified that its website is being flooded with login credentials. Which of the following BEST describes the observed cyber attack?

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