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Databases Questions and Answers January 23, 2021

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All Java applications must have a method named _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ . a . method ( ) b . main ( ) c . java ( ) d . Hello ( )

What is the time complexity for the following algorithm? int i=0; while (i
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Description: Complete the following C programming exercises. Each program must include a comment header and line comments as described in class. 1. Program 4.9 (listed below) reverses the digits of an integer typed in from the terminal. However, this program does not function well if you type in a negative number. Find out what happens in such a
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c++ Write a program that finds and prints all of the prime numbers between 2 and N (N is input from the user). Your program should also print the amount of prime numbers between 2 and N. For example, if N = 10 your program should print something like follows: There are 4 prime numbers between 2 and 10: 2, 3, 5, 7 To solve this problem use a doubly
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Use the recursion tree to come up with a good guess for a bound g(n) on the recurrence T(n). You do not need to prove your guess correct. If n = 0 +2 if n>0
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Python - for loops only Design an algorithm that will draw a boz. Your algorithm should prompt the user for the width and height of the inside of the box that they would like to draw and then draw it. For example, Enter width: 13 Enter height: 4
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Which of the following is an example of an aggressive malware prevention strategy? A . Limiting web browser functionality B . Installing antivirus and anti - spyware software on all computers C . Updating signature databases and software daily D . Blocking outbound network connections that are not required for your applications

Using Matlab You run a small business selling knives. You can produce only 5,000 knives in a month. You hire door-to- door salespeople, and have created a system of pay to give the salespeople great incentives for excellent performance. In particular, the following chart shows how much each salesperson gets paid per sale, depending on how many
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Which of the following is the default numerical data type in MATLAB. decimal double real number integer
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Question.3 The following is a short microprogram routine for an unknown macro instruction. Mention the function of this macroinstruction and give it a symbolic name NOP READ INCDR DRTAC,ACTDRU DRTAC,ACTDRS WRITE CALL JMP JMP JMP JMP JMP JMP INDRCT NEXT NEXT NEXT OVER FETCH FETCH OVER: WRITE,INCPC U Question.3 The following is a short microprogram
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Which recommendation should be taken into consideration before upgrading firmware?

I need fast help in these questions. I have only 30 minutes . Please do it correctly and 100% Construct an NFSA with three states and four transitions for the language described by the regular expression 1(0011) NOTE: You must provide the formal definition of the NFSA, as well as its state transition diagram
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Write a file named hasqs . hs that contains a Haskell function named hasqs , which accepts a list of real values a 0 through an , and returns the sorted list with duplicate values retained. ( Note: Removal of duplicate values is trivial when using list comprehensions and thus not of interest here. But once you have completed this assignment you

use nested loops for this program no arrays or the string library This question is already twice ( now three times ) on chegg but the previous answers were not tested and the output is broken. Please test provided given code first. Code in C .
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please use Java Middle Three Given a string of odd length, return a string made of the middle three characters. The string length will be at least 3 . Example IOs middleThree ( " Candy " ) - > "and" middleThree ( " and " ) - > "and" middleThree ( " solving " ) - > "lvi" middleThree ( " xy " ) - > null

What is the output of the program? #include using name space std; int result ( int n ) { if ( n < = 1 0 ) return n; else { int a = n % 1 0 ; int b = n / 1 0 ; return a + result ( a + b ) ; } } int main ( ) { cout <

Joes Brokerage House currently has 25 standalone computers and five laser printers distributed evenly across two floors of a building. The laser printers all currently connect to a print-sharing device, but the computers dont connect to each other. Because of good profits, the network administrator plans expansions and upgrades. The company

A user receives an e - mail warning of a dangerous computer virus and instructing the user to delete file claims were put there by the virus. However, the files are actually critical system files. Which term des this scenario? Social Engineering Whaling Reverse Social Engineering Hoax Spear Phishing
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Consider a sequential system that takes in an input x(t) {a,b), and produces an output z(t) {0, 1, 2, 3, 4, 5}. Draw a finite state machine that outputs the number of b's seen so far in x(0,t). Note that on every 6th b, the count should reset back to 0. (a) (6 Points) Draw the state diagram as a Moore Machine (b) (6 Points) Draw the state diagram
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Given the list lst of positive integers, associate the largest duplicated element with the variable max_dup . If the list contains no duplicates, associate -1 with max_dup (The old answe in Chegg doesnt work)

Excel VPA 5. Excel's Mod function returns the remainder after a number is divided by a divisor. In VBA, the syntax is "a Mod b" where a is the number to be divided and b is the divisor. In Excel, the syntax is MOD(number, divisor). For example, 10 Mod 2-0and 10 Mod 3-1. Hand calculate the following and verify your answers using Excel or VBA: 23
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???? Circuit iwo Rt => V1 24V R1 2700 R2 >5400 R3 >8100 The General Equation for Circuit Two's Rt is: O R = R1 + R2 // R3 Rt - V1 //R1 //R2 // R3 RR1 R2 R3 Ram R1+R2 + R3
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Using the AES - ECB encryptor from the cryptography.io module, implement the AES mode in Figure 1 . You can instantiate an AES - ECB encryptor as follows: from cryptography.hazmat.primitives.ciphers import Cipher, algorithms, modes key = # SELECT AN APPROPRIATE KEY FOR AES cipher = Cipher ( algorithms . AES ( key ) , modes.ECB ( ) ) encryptor =

Using the Big O notation, estimate the time complexity of the code below. Briefly explain how you derive your answer. for (int i=0; i

5. 115 points] Build a min heap for the following list 41, 86, 38, 54, 62, 49, 30. 44,26,43,94,2-5 using the linear-time buildHeap algorithm. Show the intermediate steps and Jinal array .74, 16.7) representation of the min heap. (Note: You must use the linear-time buildHeap algorithm. That is, you first populate numbers into the heap level by
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What language is the following code? ASP HTML JScript PHP
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Given the following code in C#, what is the final value of X written to the console? Show how you arrived at the result (intermediate values of X within the program) as well. int N = 0, M = 0, I = 0, X; X = Convert.ToInt32(100.9 + (31.6 / Math.Pow(2, 3)) * Math.Ceiling(-3.2)); if ((X > 36) || (X > M + N) && (X == 12)) { do { X - = I; I += 30 ; }

This is the format in 5.19 Convertthefollowingbinaryandhexadecimalnumberstooatingpointformat. Assume a binary format consisting of a sign bit (negative = 1), a base 2, 8-bit, excess-128 exponent, and 23 bits of mantissa, with the implied binary point to the right of the rst bit of the mantissa 1. Convert the following to the floating point

Write code in C please. -------------------- floatStuff.c -------------------- #include #include #include #include #define NORM 0 #define DNORM 1 #define SPEC 2 #define BIAS 127 /* Declare a "typedef struct {} flt;" to contain data for a float The data should include: An integer for the sign (1 for positive, -1 for negative) An integer for the
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Write an Imperative program that assigns three variables, x, y, and z to values, 1, 2, and 3, respectively, and print out the square of the sum, e.g. (x+y+z)2 . (Hint: write a sequence of statements, then use seq to link them.)

Part 1 Use a two - stage transposition technique to encrypt the following message using the key "Decrypt". Ignore the comma and the period in the message. Message: "The Transposition cipher technique works by permuting the letters of the plaintext. It is not very secure , but it is great for learning about cryptography." Is it possible to decrypt

Can someone code this in java? Tipping Etiquette: It is customary in the United States to include a tip when purchasing a meal (or having one delivered). Recommendations for how much of a tip vary depending on who you ask, but the general range is somewhere between 10% on the low end and 20%. Since not everyone is great at calculating in their
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Python, I am working on the code down below but I want it to have the method do the counting and then have the counts return to the main() also I want the method to be either set or dictionary. Any help on this is appreciated! The pupose of the code it to have a function named numVowels that is passed a string containing letters, each of which may
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Question 6: Using Concurrent processing system create the operation table for the following expression. (22 Points) a) Assuming you have only one Processor with Sequential programming configuration (10 Points) A-7*(E-B)+2 W/(G+D+ (C-F) b) Assuming you have Three Processors with Concurrent programming configuration (12 Points) A=7.(E+B)+2
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Write a C program that has two functions named findMax and countOdd. Each function will take two arguments, an integer array and the number of elements in the array. findMax returns the largest element. countOdd returns the count of the number of odd elements in the array. The main function should call findMax and countOdd twice with different

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Assuming you are developing a banking account portion of the application that deals with handling money for a large bank, discuss whether you would use SQL or NoSQL DBMS and discuss why. If NoSQL, discuss which type of NoSQL.

The operating system is used to manage the software applications used in business activities. Question 5 options: True False

in 45 minutes please Select the Correct Answer When a word of data is Input from the 1/0 address AAAAH, the state of the control signal which occur in this cycle are: BHE#=1, AO=0, M/IO#=0, DT/R#=1, RD#=0, WR#=1, DEN#=0. BHE#=0, A0=0, M/IO#=0, DT/R#=0, RD#=0, WR#=1, DEN#=0. BHE#=0, AO=0, M/10#=1, DT/R#=0, RD#=0, WR#=1, DEN#=0. BHE#=0, A0=1,
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Question 3 : Adversarial search The game tree for a two - player game is shown below. MIN and MAX layers are labelled to indicate the two players, with MAX playing first. ( a ) Perform a minimax search on this game tree. The utility values are shown in RED next to the leaf nodes. Write down the backed - up utility values for nodes E , F , and G .
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3. Figure 1 shows a uniform beam subjected to a linearly increasing load. The deflection of the beam, y(m), is depicted in Fig. 2.26b and can be computed from the equation y=120EILw0(x5+2L2x3L4x) where E= modulus of elasticity (N/m2) and I= moment of inertia (m4). Employ this equation and calculus to generate Python pylab plots of the following
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Which is the best to declare a named constant for a fixed interest rate?

Assignment 1 - Q3 Marks: 10 Submission Guidelines Complete the following program in Python. Ensure that the program is well documented with comments. Use meaningful variable names. Ensure that the program is without errors and gives the required results. Submit the program (1 python file + screenshot), with A1-Q3 - Name.py, to BlackBoard Complete
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( Refers to Lesson # 3 ) The decision to escalate incidents to law enforcement is an area fraught with conflict. Discuss the pros and cons of law enforcement involvement in security incidents.

Description: Complete the following C programming exercises. Each program must include a comment header and line comments as described in class. 4. (bonus, optional) Write a program that takes an integer (between 0 and 10000) keyed in from the terminal and extracts and displays each digit of the integer in English. So, if the user types in 932,
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Define a Trivia class that contains information about a single trivia question. The question and answer should be defined as two private instance variables of type String. Create accessor (getter) and mutator (setter) methods. In your main method create two Trivia objects with questions and answers of your choice using their setter methods. Then

Customers are faced with evaluating SLAs from cloud providers define reliability using different terms ( uptime , resilience, or availability ) , cover different resources ( servers , HVAC systems, data storage, customer support ) , cov different periods ( hours , days, years ) , and use different guarantees ( response time versus resolution time
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What is ? What the does quadrant enclose the actions the user takes. From the research, what doe the user physically do ? How does the user go about doing it surrounding technology?

Any help with these questions is greatly appreciated: R code or handwritten Exercise 1. Consider a Normal random sample X1,,XniidN(0,e) where n=10 and the parameter of interest is R. A realisation of the random sample gives: {x}={7.13,8.64,1.33,5.52,7.38,22.15,7.68,3.36,3.46,11.2} The mean of the squared values of x is: x=n1i=1nxi2=91.05 1 (a)
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Record your answers using a different color font . Upload as a .doc or .docx format. Remember to save your document before you begin. Step A Programs their purposes and Package Mgt. On your Pi or in your VM, [Raspbian OS] Drag your mouse pointer down the Launcher panel icons, resting on each icon until its name appears, to determine what office

C PROGRAMMING LANGUAGE why is it telling me this and how do I get passed this error? please? Payments\t $ %.21f", fees + 0); 50 51 52 53 } break; case 1: ./main QX Here is a list of all courses offered at Vale nce Community College: CRN Course Prefix CREDIT HOURS 4587 MAT 236 4599 COP 220 8997 GOL 124 1 9696 COP 100 3 54 4 3 55 wew 56 57 58
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Create a Hangman code using Java Use arrays, methods to create a hangman program that accesses a list of 10 words, and chooses one from random. The user gets 5 tries to get the word right, the code should display the letters that were guessed correctly in their place in the word as well as the letters that were incorrect. With each wrong guess,

Banks that operate excludively online without traditional physical branch networks sre called

QUESTION 16 5 points Save Answer Your colleague has written a line of text in vi and now wants to delete the line, but save its contents in a buffer in case he decides to bring back the line he deletes. What do you recommend to type in command mode? o : delete ite Blonde ooth t the perfect ing a cup creamy. : cut ff QUESTION 17 5 points Save
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the result displayed was 6.93E^(21) for one computation

E 2 0 \ table [ [ , A , B , C ] , [ 1 , , COST CENTER FOR NON ] , [ 2 , , Annual cost, % Cost of Total ] , [ 3 , Building maintenance,$ 5 5 , 0 0 0 . 0 0 , ] , [ 4 , Salaries,$ 2 5 0 , 0 0 0 . 0 0 , ] , [ 5 , Office Supplies,$ 1 9 , 0 0 0 . 0 0 , ] , [ 6 , Furniture,$ 1 0 , 0 0 0 . 0 0 , ] , [ 7 , Medical Charts,$ 5 , 0 0 0 . 0 0 , ] , [ 8 ,
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Discuss the advantage and disadvantage of A* search algorithm in 8 puzzle game

use python to solve please 4. Derive the gradients for below expressions: > 2 vector x= matrix A= A1, A2 A3, A4 for the quadratic function f(x) = 0.5 * x* Ax, prove that the gr adient of the function Vf(x) = Ax. Note that A=AT for a symmetric matrix. 4. Derive the gradients for below expressions: > 2 vector x= matrix A= A1, A2 A3, A4 for the
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Can you help me with answering this question for philosophy please? Using the Natural Deduction Technique of section 1.3., show how and why the following arguments are valid. tilde P P or Q/Therefore Q P & Q P Congruent R Q Congruent S Therefore R & S tilde P or Q Q superset R Therefore P superset R
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Which of the following acts is an example of social engineering? Multiple Choice using crowdsourcing to obtain valuable information and populate new databases constructing networks that are open to the public and secured against criminal use manipulating people in order to obtain and misuse their personal information designing secure social
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Create Class Institute Create Variables String instName Department[] departments (Array of departments) Create respective getter and setter methods Create Display Function that shows Institute Name and its Departments Create Class Department Create Variables String departmentName Student[] students (Array of Students); Create respective getter and

Question(4) Match (A) with right sentences in B): ) (B) A A. Inheritance B. cons B 1. user-defined types 2. re-defining the base class member functions within the derived classes 3. increases a programs reliability 4. preprocessor commands C. iostream D. Virtual E.Functions F. Comments G. while H. private 1. Overriding J. for K. Encapsulation L.
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Write a class Basket which has the following private field: . An array of MarketProducts. The class must also have the following public methods . A constructor that takes no inputs and initialize the field with an empty array. . A getProducts) method which takes no inputs and returns a shallow copy of the array (NOT a copy of the reference!) of
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This is in JavaScript on Google Scripts. How do I get this to work? It says I have an error when I am trying to replace; this is basically a simple mail merge program I wanted to try out. function myFunction() { var sheet = SpreadSheetApp.getActiveSheet(); //getting the active sheet that you are on var data = sheet.getDataRange().getValues();

Which of the following refers to the complexity and content of a message? A ) richness B ) reach C ) information density D ) interactivity
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Choose one of the following tasks and, using the WBS process, break it down into the smallest manageable task: Changing a car tire. Baking a cake. Painting a room.

Question 2 (Asymptotic Comparisons, 20 points). Sort the following functions of n in terms of their asymptotic grouth rates. In particular, ones should go later in the list if they are larger when sufficiently large values of n are used as inuts. Which of these functions have polynomial growth rates? Remember to justify your answers. a(n)20.o b(n)
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Draw the DFD (Context and Level 0) of the warehouse ordering system. The customer sends the order, the system receives the order and then can generate an invoice or reject the order. When the system accepts the order, it sends the packing list to the warehouse. The warehouse then arranges the shipment and sends a confirmation to the system.

1. Code is already written please show all outputs and comment on function of code. 2. These are Python 3 programs. Please show outpouts and comment on fuctions. Note: this is a bit of a backwards exercise we show you code, you figure out what it does. As a result, not much to submit dont worry about it youll have a chance to use these in other

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Can you help me answer Part A, B and C 3.2.9 Exercises for Section 3.2 Exercise 3.2.1: Consider a relation with schema R(A, B,C, D) and FD's AB C. C D, and D A. a) What are all the nontrivial FD's that follow from the given FD's? You should restrict yourself to FD's with single attributes on the right side. b) What are all the keys of R? c) What
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Please HELP with Credit Card Simulator coding using C++ My coding is below the instructions, Below is what I would like the calculator to do: The program should be constructed using classes. Account operations include opening the account with an established limit, posting charges and payments, requesting a limit increase, and displaying account

please help me in java to do this. Must use 4 Pillars of OOP * Must create and use at least 3 Constructors * Must have at least 4 methods * Must include a section to get responses from User * Must contain a switch statement * Must handle at least 1 exception * Project must include at least 3 Classes * Must use one of the Collections structures. *

The following code implements an equals method for the Triangle class. The Triangle class includes both a base and a height field of type double. public _ _ _ _ _ _ _ _ _ _ _ equals ( Object obj ) { if ( obj _ _ _ _ _ _ _ _ _ _ Triangle ) return this.base = = ( ( _ _ _ _ _ _ _ _ _ ) obj ) . base && this.height = = ( ( _ _ _ _ _ _ _ _ _ ) obj ) .

c++ Design a struct personalInfo with components id, and name of type string. Design a class student with private data member's person (struct variable of type personalInfo), numberOfCourses (of type integer), average (of type float), and marks[] an array of student's marks of type integer. The class also has the member functions wer). getPerson(
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User Consider ChaCha 2 0 - new - and - improved, a variant of ChaCha 2 0 where the instruction Output S S ' is replaced with the instruction Output S . Show that ChaCha 2 0 - new - and - improved is totally insecure under a known - plaintext attack.

Heyy, please help me on this coding question. The infinite series from Problem 1 is not a great way to calculate a accurate to many decimal places because of its very slow convergence. To obtain the first eight digits of a would require more than 10,000,000 terms of the series. A much better convergence can be obtained from the following alorithm
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Which of the following apply to models? They're used to predict the future state of a system. All of the above are correct. They're a simulation of a real system. They can be graphical, physical, conceptual, or numerical. They require data for guiding model building, testing, and verification of output.
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Convert 45.861 to binary What is the sign bit A Question 2 (1 point) Convert 45.861 to binary What is the mantissa? 10 bits no spaces Convert 45.861 to binary What is the exponent? 5 bits no spaces A Question 4 (1 point) Convert 0.025 to binary What is the exponent? 5 bits no spaces Convert 0.025 to binary What is the mantissa? 10 bits no spaces A
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Some economists believe the United States does not have a productivity problem but rather a measurement problem. Explain what is meant by this statement. Do you believe this is a valid statement?

Problem 4. Consider the following statement: If a is an integer, then+5x 1 is odd. Answer the following questions about this statement. 4(a) Provide the predicate for the starting assumption for a direct proof of the given statement. 4(b) State the cases that you want to consider in your direct proof. 4(c) Prove the statement is true using a
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----------JAVA ONLY--------- Imagine that you are a super rich person and you want to buy a house to your two best friends. You want them to be your neighbours. Yet, of course, just because you are rich doesn't mean you have unlimited money. There is a set of prices of houses you can find with similar qualifications like following: {3200000,
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SQLAlchemy connectable objects are not the only objects that the conn argument of the pandas.read _ sql ( ) function can accept. is it true?

Could someone help me with my code in C? The basic problem is to design and implement a basic shell interface that supports the execution of other programs and a series of built-in functions. I am having trouble with this part - Once the shell understands what commands to execute it is time to implement the execution of simple commands. Since the

homework-2 No packages published Publish your first package Homework on dynamic memory allocation, due Feb 13 11:59 PM. Languages Context C 100.0% For this assignment you will be creating a user-defined array. This user-defined array will be a structure and it will look like this: struct _float_array { Float data; int size; }; typedef struct
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What layer is in the internet protocols

Show that the CBC MAC we studied is not UF - CMA secure if the domain contains messages of arbitrary length ( but multiple of n bits ) , where n is the underlying blockcipher s block length.

compiler design question (a) Given the following augmented grammar: Saz ZN aMa MbaRb bRa M.Sc RNC Answer the following questions: (3+2+3+2) i. Construct the LR(1) automaton. ii. Construct the corresponding LR(1) parsing table. iii. Show the stack contents, the input and the rules used during parsing for the input string W = acas iv. Justify if the
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you must write an article: Dynamic activity recognition using sparse representation and dictionary learning.

Need help with java program, please explain it. I'm having a hard time doing it You're on a slightly dysfunctional software team, with two teammates who constantly argue about the best way of doing things. This arguing has led to a miscommunication about which way a big pile of input data should be read, the result of which is that now you have a
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Among all employees, who was the youngest employee ever hired? That is , which employee is the oldest on their hire date? List all fields describing the employee

Consider the following two high level programs that are executed concurrently. Some system level events occurred during the execution of each. Follow the example for process state transitions, add the events that occur during execution (in addition to the ones that are given). Instruction: Fill in the events with your answer which are followed by

/ / Remove the minimum in the sorted array / / / / As our array is sorted in the increasing order, to remove the / / minimum, we just remove the first element in the array. It is like / / shifting the array to the left by one element. / / Because we are doing shifting, in each iteration, we use two / / values, one at index i , the other at index i

3 LT1 = ? = s3
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Cockburn s Use Case Template USE CASE # the name is the goal as a short active verb phrase > Goal in Context Scope & Level Preconditions Success End Condition Failed End Condition Primary, Secondary Actors . Trigger DESCRIPTION Step Action 1 2 . . . > 3 EXTENSIONS Step Branching Action 1 a : RELATED INFORMATION Priority: Performance Frequency
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1 . Create a simple app name: Eat Local for food ordering apps. 2 . Design the main screen of the app, incorporating text, image, and button widgets. 3 . Similar app: Grab Food, Food Panda, etc. - By using kotlin Java. - Send the source code Please. - add images and logo . - Make it Simple not necessary like the picture. - I tried AI and doesn't
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How many bits does this hexadecimal number have? ( 0 x 0 0 0 0 FF 1 1 )
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Assignment Instructions Problem : Let's start by practicing using logical operators and being careful about the order of execution when we use multiple of them in the same expression Recall that Boolean expressions use conditional operations to implement basic logic If all three operators appear in the same expression, Java will evaluate fin, then
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set associative cache byte - addressable

For Pseudocode 3 , what is wrong with the following solution? Provide an example output, explain why this happens, and provide the working code.. guess = 0 while guess ! = 4 2 : guess = int ( input ( " Guess my favorite number > " ) ) if guess > 4 2 : print ( " Lower ! " ) else: print ( " Higher ! " ) print ( " You got it ! " )

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