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Databases Questions and Answers October 06, 2018

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Display Floating-Point Binary in Assembly x86 Write a procedure that receives a single-precision floating-point binary value and displays it in the following format: sign: display + or - ; significand: binary floating-point, prefixed by 1.; exponent: display in decimal, unbiased, preceded by the letter E and the exponents sign. Sample: .data

Implement a LinkedList class that creates and manipulates a linked list of Items, defined as class Item { private: const char *l; int key; public: Item(int k, const char*s){ key = k; l = s; } int getKey(){ return key; }; const char * getl(){ return l; }; Item(const Item &other){ key = other.key; l = other.l; }; . Implement the class in a file

LAB #14 HAND IN LABORATORY TASK: Flow chart Translation Computing position and velocity over a Range of Time WRITE THE PROGRAM FROM THIS FLOW CHART on the left Not from the text Note: Use While loop . t-time(sec) x- position(m) v-velocity(m/s) . Vo = initial velocity, a=constant acceleration(m/s2) v-vo +at x Vo t +1/2at? (note at t-0,xo-0) .Output
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A clock cycle time of 475 picoseconds corresponds to a clock frequency of how many GHz? Express your answer rounded to two decimal places.

In Tableau which of the following functions operates across all the rows in the partition at once and performs the aggregation of the first level row in the tableau sheet?

Explain how the system handles the "job clocks," which keep track of the amount of time each job has run, and the "wait clocks," which keep track of how long each job in the waiting queue has to wait.
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The K-Means algorithm is simple but in the figure we see its limitations in this hypothetical circular dataset that evidently has two circular clusters. By analyzing its equations, explain why K-Means is unable to cluster the dataset properly by being constrained to identify clusters with linear cluster boundaries as shown in the figure (red and
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explain why the dynamic - set operation INSERT on a singly linked list can be implemented in O ( 1 ) time, but the worst - case time for DELETE is 0 ( n ) .

Reduce the following Boolean expression by using the theorems discussed in class. At every step, clearly mention the theorem used.F = XY + XZ + XZ + XYZ + XYZ

[ 2 5 points ] Lambda Calculus This first two sets of problems will require you to correctly interpret the precedence and associativity rules for Lambda calculus and also properly identify free and bound variables. For each of the fol - lowing expressions, rewrite the expression using parentheses to make the structure of the expression explicit (
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A reserved set of IP addresses in a DHCP scope is commonly assigned to which of the following network devices? ( Select Two ) .
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Need #3, #4 and #5 20 1 0 1 3 0 10 5 1 0 1 0 611 0 1 Table 1: Truth table for the AND-OR circuit 1. Determine the Sum of Minterms expression for the function 2. Using Boolean algebra, derive a simplified Sum of Products (SOP) expression for the function 3. Using Boolean algebra, rewrite the simplified SOP expression to use only 2-input AND and OR
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In a recent report, the top 5 most - visited English - language web sites were goog

Write a python program that will : Validate a password The program will have the user input a password Check to see if all requirements are met At least 6 characters long Must have at least one upper case letter Must have at least one lower case letter Must have at least one numeric digit You will have a function for validation. After the password

the advantages and disadvantages of Embedded SQL statements in C + + , Java, Python, and COBOL.

Using examples, discuss the pros and cons of copyright protections from a utilitarian perspective and how copyright relates to the chapter 1 koans. Explain the copyright debates of the early 2000's including Napster, secondary liability, digital rights management and the Digital Millenium Copyright Act.

otherwise dilike How linux works in scheduling algorithms? ( please i have presentation and i want slide on how linux works in scheduling algorithms in clear way and do it as points i don't want a lot of information, cuz i have to do the presentation publicly)
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II.2: Let L(u,v) be a predicate indicating "u likes v". Note that L is not in general symmetric. Translate the following statements into an equivalent Quantified Propositional Formulae: (a) "Some people are completely isolated - i.e., nobody likes them and they like nobody (b) "Everybody likes someone, but nobody likes everyone" (c) "Everybody is
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both codes have to be connected to each other how do I fix both codes. The Fraction class definition accurately reflects the UML diagram provided in the Project5 resource documents. The 20pts 0pts reduce( ) method is Full Marks called in the 5/20pts constructor so that Comments all Fraction objects many bigs are automatically reduced to their
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Give a DFA recognizing the language: L = {w | w starts with an y and ends with y} The alphabet is = {2,y}
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using matlab 2. Write a function that implements the following (-2)" 2n Il (20) - 1
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Will checksums detect all errors in the datagrams data explain. where will the checksums fail?

You are required to create a function with name mycircle that can generate a plot of circle. Radius of circle shall be the input to this function (i.e. mycircle(3) ). As an extra step, you can include a check in function, that can discard negative values of radius and displays a message Please enter a positive value for radius. solve using MATLAB

Find a SQL query that computes a set difference and returns false positive(s) over a database with null values. You may show the correctness of your answer using an example.

2. What is a dynamic cast? What is the purpose of this operation?

Engineer Myla, a professional engineer, performs fire investigations and forensic engineering services as an employee of Homesafe. Myla investigates homeowner fire damage claims and other accident claims made by homeowners on their homeowner's insurance policies. Homesafe is owned by a significant national property and casualty insurance company
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I have a java question. I am given public static Object[] grow(Object[] a, int newLength) throws Exception { Object[] newArray = new Object[newLength]; for (int i = 0; i < Math.min(a.length, newLength); i++) newArray[i] = a[i]; return newArray; } I need to replace new Object{newLength] with a call to (Object[]) Array.newInstance(...). How would I

Question 1 (1 points): A first-come first-served scheduler will often be better than a round-robin scheduler at providing which of the following? Select all that apply A high portion of compute time used for application computations B. low variance in the wait times experienced by each of the threads being scheduled
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You are given a gate that applies convolution on an input matrix X of dimensions nxnx using a kernel W of dimensions nknk. You are also given the upstream gradient dz of dimensions nznz. Write the expression of the downstream dW when we have neither strides ( s=1) or padding (p=0). PS: If this helps, feel free to write the requested calculation
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Write a program that generate an array of 365 random numbers (temperatures). Calculate the Min, Max , and Average of the array. Then ask the user to input a day to return the temperature on that day until they input a negative number. ( this is a in class lab project and the language is Java )

Question 1 ) ( 7 . 5 Points ) There is a piece of C ( and its equivalent Matlab ) code that we want to convert to RISC - V . We expect to see a snapshot of your OUT window like the one below. Follow the steps: A . ( 0 . 5 Points ) Print to the OUT Window in RVS the following string "Student's number:" followed by your student number. If your
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8 What does it mean that a CFG is ambiguous? Consider the following CFG: Op1Op1+Op2|Op1-Op2|Op2;Op2Op2*Expr|Op2/Op2|Expr;Expr(Op1)id, where the terminals are {(),,+,,,, id } and Op1 is the starting symbol. This grammar defines well-bracketed mathematical expressions that have addition, subtraction, multiplication, and division as operations. For
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How did National cybersecurity policy 2 0 2 3 come about.

Python! Create a class Person with the following attributes: age (int) - age of the person height (int) - height of the person in inches weight (int) - weight of the person in inches sex (male/female, str) - the sex of the person (male/female or m/f) hobbies (lst[str]) - list of a persons hobbies With the following methods: __init__(age, height,

Jack determines a grade for each of his students then calculates the class average. Each student grade is a . Knowledge b . Wisdom c . Data d . Information e . Stored
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. The processor 8 0 3 8 6 has q , bits address bus : 2 0 . a 3 2 * b 2 4 . C 4 0 . d
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On a disk with 1000 cylinders (0 to 999) find the number of tracks, the disk arm must move to satisfy all the requests in the disk queue. Assume the last request service was at track 345 and the head is moving toward track 0. The queue in FIFO order contains requests for the following tracks: 123, 874, 692, 475, 105, 376 Perform the composition

What is the primary purpose of the All - Different Constraint in CSPs ? Select one: Ensures that all variables in a specified set must take unique values. Ensures that all variables within a specified set take on the same values. Ensures that no two variables in a specified set are assigned consecutive numerical values. Ensures that all variables

Consider the quadratically constrained quadratic optimization problem

Which of the following are true statements regarding vulnerability scans and penetration testing? Group of answer choices It is best if the person running a vulnerability scan has the mindset of a threat actor. Ultimately both a vulnerability scan and a penetration test will provide similar results. A vulnerability scan is an offensive assessment

2 Which of the followings is not correct? O 109m2 = 0 (n2) O10-23.0001 = 0 (3) 25n2 = 0 (na) 100n 1.9999 = 0 (n2
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Consider that a TCP sender, Host A, wants to send 40,000 bytes to Host B. The maximum segment size (MSS) is 1460 bytes, the initial congestion window is 1460 bytes (1 MSS), and the initial slow-start threshold is 500 MB. How many TCP segments will it take to send the 40,000 bytes? How many RTT rounds will it take to send the 40,000 bytes, ignoring

Algorithm 6: The division algorithm Input: Integers a 0 and b > 0 Output: Integers q and r for which a = qb + r and 0 r < b begin q := 0 while a b do a := a b q := q +1 end r := a output r end Q: Rewrite the division algorithm as a recursive procedure Div. It should take as input two numbers a,b and return an ordered pair (q, r), where a = qb + r

write a java or c++ code that if i enter pre order and post order in binary tree ,, the code print the in order

USE MATLAB ICA 3: A.mat data file called Z.mat is available on eCampus. It is a digital elevation file; the values represent meters above sea-level for 30-meter grid cells. A plot using color to represent height is shown below: 500 450 400 350 300 250 200 150 100 50 0 1800 1600 1400 1200 1000 800 600 400 0 50 100 150 200 250 300 350 (This plot
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5. (10 points) Factor the following expression to obtain a product-of-sums. F(A,B,C,D,E)=AB+ACD+ADE
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which protocols is used by Azure Service Bus for message delivery?

Java Write a program which prints the following diamond shape using nested for loops
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Identify the names of the five layers of the Internet protocol stack ( in top down sequence ) .

i. Update the page title and heading Modify tma02_admin.php to update the main page title and heading. Mike wants this development version to be clearly identified so he knows who is working on it. To clearly identify the page, change the existing text so that it shows your OUCU, followed by a dash and the text Erehwon Guest House. For example,
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Instantiate a new DecisionTreeClassifier object, and use the best _ params _ attribute of the grid _ search _ cv object to specify the best max _ depth, max _ leaf _ nodes and min _ samples _ split values calculated from the grid search along with a random _ state of 4 2 . Retrain the "optimal" ( for the few parameters that we swept ) decision

1 7 . Given a heap with n nodes, if we know that there are 7 4 leaves in this heap, what are the possible values you can take for n ?

4.(10 pts.) Draw a bus configuration diagram, showing control for a system with A 16x6 RAM unit with addresses 110000 to 111111 .Output device Dout, at address 100000
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However, I'd like you to disregard what the textbook instructions indicate about "eliminating the DD_STATUS table". Instead, when the function receives a status ID value, it should reference the DD_STATUS table to determine the description to return . This still allows SELECT statements to be executed without using a JOIN statement. When
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In the entity relationship model, a table row corresponds to an entity instance. Group of answer choices True False

5.7 Learning Objective: To demonstrate that the student understands how the binary search algorithm works and to implement an algorithm that is similar to binary search. Instructions: See the instructions in 1.1 for what to submit for grading. This is not a complete program. Name your class H03_57 and save it in a file named H03_57.java. When you

How would I make a truth tree, step by step, for the following argument? ( x ) ( y ) ( z ) ( B ( x ) B ( y ) B ( z ) - > ( x = y ) ( x = z ) ( y = z ) ) ) ( x ) ( y ) ( z ) ( w ) ( B ( x ) B ( y ) B ( z ) B ( w ) - > ( ( x = y ) ( x = z ) ( x = w ) ( y = z ) ( y = w ) ( z = w ) ) )

node Create a ReSTFul Web Services

SCHEME 6 Recall from highachool trigonometry the sin function: HT in n right triangle whowe hypotenuse ha kngth 1 and interior angles x and n/2-xnx) denotes the length of che edge opposite co the angle x (here x is measured in radhana) You won't need any fancy trigonometry to solve this problem sinx angle x cos Fgure 1: A righe triangle lt is a
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Let A[1 ..n] be an integer array where n 2 1. Also let A[i] = i for 1 sisn. Does A represent a min-heap? Prove that it does, or that it does not
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Two analysts working on the same data set up identical neural network structures. Each analyst ran the JMP neural net program on a separate computer. The analysts were surprised to find that they each obtained different estimates for the network parameters. This is most likely due to: The random starting values in JMP. Errors in the JMP program.

What are the Big-Oh and Omega orders of the following code fragment? What is Tilde approximation? The fragment is prameterized on the variable n. Assume that you are measuring the number of swap calls. for(int j=0;j

The International Telecommunications Union ( ITU ) specifies that a telephone number must consist of a country code with between 1 and 3 digits, except that the code 0 is not available for use as a country code, followed by a number with at most 1 5 digits. How many available possible telephone numbers are there that satisfy these restrictions?

Model the following fragment of a business process for assessing loan applications ( loan origination process ) . Once a loan application has been approved by the loan provider, an acceptance pack is prepared and sent to the customer. The acceptance pack includes a repayment schedule which the customer needs to agree upon by sending the signed
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The scope of HIS include: ( Select all that apply ) all computer systems networks the data those systems create social networks
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you will discuss the use of DBMS and its benefits. Next, provide a comparison matrix between MySQL, MSSQL, Oracle, SQLite based on current version, operating system, cost, written in, licensing, graphical management tools, and maximum number of records.

Can u give me an example of a learning map

stion 1 0 In which of the following ways has the Internet changed society? I. It has provided people with the ability to explore possible problems - whether they are physical, mental, sexual, or social. II . It enables people to have social contact with others with considerable autonomy. III. It can offer persons the chance to explore interests
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The ColorDisplay Class Call and write methods with parameters and return values. Use the DrawingPanel, Graphics, and Color classes. Use if statements to validate input and control assignments. Introduction The goal of this project is to display a variety of colors in a window. Here is one example. A drawing panel of size 550x550 will be divided
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Question 1 Not yet answered Marked out of 1.00 P Flag question Which of the following is a disadvantage of purchasing a software over building one? a. If a company is trying to differentiate itself based on a business process that is in that purchased software, it will have a hard time doing so if its competitors use the same software. O b. It is
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Practice Question 2: Passing a Function as a Variable Write a function, stats(f, 1), that returns what you would get if you call f(1).That is, f is a function that computes a given statistic on a set of data, and 1 is a list of data points To test, use the functions bound, span, and mean from the previous lab. In [ ]: # Write your answer here. In
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Using the basic identities of Boolean algebra, show that: x(x'+y)=xy

Following the given requirements, write a python code that outputs a binary tree similar to the one shown. The number of nodes should reflect any email address, can use you123.drexeledu as an example. PYTHON PROGRAM REQUIREMENTS 1. Your program must define a binary Tree class with the following specifications: 2 (a) Your binaryTree class must have
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In a form or subform, records are sorted by the _ _ _ _ _ _ _ _ .

Shuffle a full deck of 5 2 cards. After that, separate the top 2 6 cards from the bottom 2 6 , so you have two stacks A and B . Draw the top card from stack A , observe its value, and put it into stack B . Now shuffle stack B with the added card, draw the top card from the result, and observe its value. What is the probability that the two values

Use pencil and double space your lines of code so that you may easily edit your work. You may use pen, but anything other than small scratch outs should prompt you to. rewrite an
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please need asap State TRUE or FALSE: During diagnostics, press the ESC key to enter interactive mode. O True False
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C++ Object Oriented Programming - You will be creating a singly-linked list class template. I've been given a "skeleton" of the header of singly-linked list class template. I'm also allowed to add any helper functions to the class, but everything in the header is required. The list will also be expected to hold Money objects, all of the code for

XYZ company consists of ten people, including nine employees and one owner ( Craig ) . The owner is not considered as an employee. All ten people share these three attributes: name, age, and title, but the employees also have a salary attribute. Non - sharable attributes can be added freely. For the nine employees, John and Mary are managers, Jane

topics:- Applications and mobile platform security A vital aspect of developing the Dissertation is knowing ahead of time what steps you must take from start to finish on your Doctoral Journey. This project is intended for you to prepare a paper with at least a 20-step process that begins where you are now to the final step of completing the

Implement 2 Java classes: Student: firstName, lastName, departmentIn, yearGraduation, an array of UAClass this student is taking, an array of integers corresponding to the grades received for these classes UAClass: teacherFirstName, teacherLastName, semesterOffered, numCredits The list above provides data members of these two classes. You can

double [][] grid = /* has been initialized */. Write the code to print grid with one row per line and a tab between each element. You may use a for loop or for each loop.

System Design and Development Systems Design and Development Set up an account request/reports using the following charts and diagrams displayed below. Requirement Matrix Chart Dataflow Diagram Entity Relations Diagram
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2. Write a function named allEven which takes as input a single integer and returns a new list consisting of all positive even numbers that are less than or equal to the integer. Eg >>>allEven (9) [2, 4,6, 8]
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Given the following method: public static int f ( String input ) { Stack stack = new Stack ( ) ; int n = 0 ; for ( int i = 0 ; i < input.length ( ) ; i + + ) { if ( input . charAt ( i ) = = ' d ' ) stack.push ( ' d ' ) ; else if ( input . charAt ( i ) = = ' b ' ) { if ( ! stack.empty ( ) && stack.pop ( ) = = ' d ' ) n + + ; } } return n; }

Question 3 int pin 1 = 1 2 ; int pin 2 = 1 1 void etup ( ) { pinMode ( pini , OUTPUT ) : 1 pinMode ( pin 2 , INPUT ) ; Serial, begin ( 9 6 0 0 ) ; } What is the output of "pin 1 " if "pin 2 " is sent " 1 0 1 1 " where 1 is 5 V and 0 is OV ? 8 . void 1 0 0 p ( ) { 9 . if ( digitalRead ( pin 2 ) = = 1 ) { 1 0 . digitalWrite ( pin 1 , LOW ) ; 1 1 . }
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just to be safe Question 15 True/False A theorem is a statement that can be proven to be true. True False
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Question 1 please. For the following problems, use the definition of Big-Oh, as given on pg. 17 of the text, and in class, and the definition of Big-Omega, on pg. 18 of the text, to support the following statements. If the statement can't be supported by the definition, show this. 1. Let T(n)=3n3+5n2n+17nn+12n a. Show that T(n)O(n3) b. Show that
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The built - in Object class _ _ _ _ _ . Question 2 4 options:is the base class for most, but not all, classesdefines multiple methods including toString ( ) and equals ( ) is derived from class Superdefines toString ( ) and no additional methods

****JAVA HELP***Implement a recursive method to generate a pattern of stars such as the following.[USING A RECURSIVE METHOD] * ** *** **** ***** ****** ****** ***** **** *** ** *

Construct a system architectural design diagram using a diagramming technique of your coin operated car wash with detailed block diagram.

Windows Event Logs and Significance from an Investigation Standpoint

This type of file is used to update a master file: Roster Files Training files Master files Transaction files Integrated files

Task 2 : Take 1 0 integer inputs as an array from the user and perform the following operations: Sort elements of an array in ascending order. Sort elements of an array in descending order.
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During a site survey interview it is determined that a particular area of the building and, although a relatively small area, will have a great number of users connecting wirelessly at the same time. This area may require which two of the following for sectorized coverage?

Whats NOT the Python operator for Division calculation?

Given a singly linked list contains six nodes and simply show as 6 - > 5 - > 4 - > 3 - > 2 - > 1 , where the head reference refers to the first node ( contains 6 as its item ) . Assume the following code applied on the list, what is the item you can find in the second node in the end? curr = head.next; curr = curr.next; head.next = curr.next;

Suppose you are responsible for the design and development of a computer system to control an amusement park ride. Sensors in the seats will determine which seats are occupied, so the software can consider weight and balance. The system will control the speed and duration of the ride. the amusement park wants a system where, once the ride starts,

write a program that sorts an array using various sorting algorithms and utilizing 4 different data types and prints the number of comparisions, number of movements and the execution time. sorting algorithms are provided, Insertion sort, selection sort, quick sort, merge sort, heap sort, radix sort. Should look like the provided GUI (The Gui is
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There is almost no substantive programming in a maximum security prison. Question 1 4 options: True False

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