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Databases Questions and Answers January 02, 2021

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What's that data type? Up until now, you have been determining what data type a variable is just by looks. There is actually a better way to check this. class ( my _ var ) This will return the data type ( or class ) of whatever variable you pass in . The variables a , b , and c have already been defined for you. You can type ) in the console at
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on Matlab In class we applied Ohm's and Kirchhoff's laws to a parallel electric circuit involving voltage sources and resistors to obtain the system of linear algebraic equations in matrix form Au=b as 30 -10 -8 --10-81 16 -6 -6 18 A00 Solve the system of equations for the three currents
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2 1 point Which of the following is an indication that an interhet website is a credible source? The website is operated by a well - known institution and an author is visible. The website contains an advertisement to sell you a product or service directly through the website. You cannot find the site's, nor the author's, contact information. The
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The getShortestPath ( ) function returns _ _ _ _ _ _ _ _ _ _ .

What is a primary key in a database? All of these A unique identifier for each record in a table A type of index used in a database A field that stores data in a table
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Please help follow the same step as it asks Thanks Grade Rubric: To earn full points (30) for this lab: . Read in the Credit Card number, from user input or a file: 2 pts Check the length of the number accurately: 5 pts Figure out the CC type accurately: 5 pts Run Luhn's Algorithm accurately: 15 pts Output the valid & invalid numbers as requested:
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Feed the randomly generated arrays into each method by calling them from your own program and record the time it takes for each sorting algorithm in python.

Write a program that prints out the Month, Day, and Day of the week for every day in the year 2018. The first day of the year was a Monday, so program output would be: January 1: Monday January 2: Tuesday January 3: Wednesday ... December 29: Saturday December 30: Sunday December 31: Monday USING C or C++.

Task: 2 Read the following tasks, understand and present your response in a document not more than 10 pages. AT&T being the largest telecommunication service provider in USA they had noticed a potential growth in the field of teleconmunication and wanted to start its operation i sultanate of Oan. You are being hired to evaluate the concerned
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Given the following instruction sequence, AND X10, X2, X3 SUB X20, X10, X5 (a) Without forwarding technique, how many bubbles need to be inserted to avoid data hazard? (b) With the forwarding technique, how many bubbles are needed? (c) Repeat the question in (b) for the following instruction sequence. LDUR X10, [X2, #800] ADD X20, X10, X11
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Q11 - Chapter 3 Problem Set 22 (7 points) Write a denotational semantics mapping function for the following statements: Java -do-while Java Boolean expressions Java for C switch
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Create a new query in Design View and select all of the fields from the Surveys table.Add criteria to select only those records with any date in June 2 0 2 1 . Change the query into a Delete query. Run the query, which should delete eight records from the Surveys table. Save the query with the name DeleteJune 2 0 2 1 and then close it . [ Hint:

Please show the screenshots of output. Your assignment is to write a small Windows Form Application as follows 1. Name the project FinalExam 2. Has a title bar with your name as the displayed text. 3. Has a text box, with a label next to it saying "Enter an integer:" 4. Has two buttons, one saying "DOUBLE" and one saying "HALF 5. Pressing the
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Write a program that reads the contents of each of these files into a vector. It should then display the contents of the Teams.txt file on the screen and prompt the user to enter the name of one of the teams. When the user enters a team name, the program should display the number of times that team has won the World Series in the time period from

What are Decision Trees used for in machine learning? Group of answer choices Regression tasks Linear Model Validation PreprocessingData Classification tasks

how i can correct this Introduction to Python [-/Pycharm ntroduction to Python] -lesson3/task10/string formatting.py [Introduction to Python Course - Introduction to Python 0/50 * *. ?? ? string,methods.py ?string-formatting.py X Task Description: name- "John" print("Hello, PyCharm ! My name is ?s!" name) # Note: %s is inside the string, is after
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ALCORITHM3 The Binary Search Algorithm. procedure binary search (x: integer, al.a2. . a. increasing integers) = 1[i is left endpoint of search interval} = n U is right endpoint of search interval) while i am then i := m + 1 else j := m lfx_a;then location := i else lo ation : 0 return locationllocation is the subscript i of the term equal to x, or
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TAS - Salalah - Elearning Question 2 Not yet antworod Convert the DECIMAL number 987 to BINARY, OCTAL and HEXA-DECIMAL number (3) marks) Marked out of 7 A B E 1 2 5 nog
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a) With suitable examples explain the types of consistency. b) with your own examples explain any five inference rules.(artificial intelligence)

2. Jump conditions (10 pts). Write a sentence to explain each of the 5 test conditions jXX-jge, jz, jl, jn, jnz. For each one, tell what is in the value of R11 at the end of the program with each of the 5 test conditions. (see MSP430 x4xx Family Users Guide, section 4.6.2) .text clr.w mov.w R11 #3,R12 counter for ; loop? again: R11 increment the
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During your audit of Wilcoxon Sports, Inc., a retail chain of stores, you learn that a programmer made an unauthorized change to the sales application program even though no work on that application had been approved by IT management. In order for the sales application program to work, the programmer had to make modifications to the operating

Background In Geophysical Service Incorporated v Encana Corporation, 2016 ABQB 230 Madam Justice Eidsvik found that there was a copyright in seismic data in the facts of that case. The defendants argued that there was insufficient human involvement for a copyright to exist. Question See part III, B Can seismic data be considered a work?, Part 6

Make a program in assembly x86 running in dosbox that adds two numbers that the user inputs. The program should have an adding module (function) and be called to the main proc. The user input should also take more than 1 digit.

Operating systems may provide multiple file system types. True False
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Question 4 4 pts Dalton sends an email to Bianca and asks Bianca to click on a link, which will send Bianca to a fake website. When Bianca does this, her computer is infected by a virus Dalton embedded in the website. This is an example of hacking. malware. phishing. a denial - of - service attack.
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Which would you find in a Software Development Plan ( SDP )

Show the steps of quick sort 7, 39, 20, 11, 16, 5 pivot, swaps, resulting subarrays. For each step we choose the first element as the pivot. Which one will be the worst pivot?

need, Intelligent Monitoring system for a Hospital, pleaase help.

Last week, a company hired a software quality manager and a software quality officer. They release a statement to the media that the company is now has a quality process and produces a quality product. How much do you agree with this statement? Justify your answers.

2. With the MTSH parameters below, generate a split dose analog to the Elkind-Sutton experiment. Use a conditioning dose of 200 cGy and a recovery time of 10 h (maximum sublethal repair). Dose (cGy) Surviving fraction (i.e. S/S0) 0 1.00 50 0.85 100 0.52 150 0.33 200 0.16 250 0.064 300 0.024 400 0.0035 From your graph estimate Dq, D0, and the

algorithms please use c language Problem #3. Programming Collecting seeds Given a matrix n m, people put several seeds on each cell of the matrix. A mouse is at the cell (i,j) can only move to one of the three cells (i, j+1), 1,j+ 1), (i+ 1,j+ 1). On the moving path, the mouse collects all seeds at cells that he passed Task Find the biggest number
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TRUE OR FALSE 41. BitTorrent is an example of a P2P system 42. The IPv4 network layer guarantees all packets are delivered to their destination 43. In the datagram network layer, each packet carries the address of the destination host 44. Forwarding is the process of determining the path from sender to destination 45. In a traveling analogy,

Consider the increasing sequences on {1..7} of length >= 1. (a) How many are there? (b) Which is the Lex-First? (c) Which is the Lex-Last? (d) Which is the Lex-Next after (2, 3, 4, 6, 7)?

One problem with using application blanks as part of the selection process is that: organizations rarely have the time to comb through information provided in the application blank. organizations use generic application blanks, which leaves them at risk for legal action. questions are often illegal. questions are often ambiguous and confusing to
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You can only use the built-in function for NetworkX for nodes and edges In this part of the lab, you will write a program to calculate the diameter of a network. You may only use the NetworkX edges0 and nodes) functions for calculating the average path length. You may use any of the functions you have implemented as part of this lab.
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identify a target users for a travel booking website

How many element movements does Quicksort do on the average? (Give a formula based on n, the size of the array -- an exact formula is not needed; you may use big-O notation for your answer).

Find out the total number of cross points (N) in a three-stage crossbar switch, if the number of total input lines (which is also the number of total output lines) are 20, the number of first and third stage switches are 4 and the number of second stage switches are 3. draw and show steps

Question 2 "timescale ins/ module mux (input 10, 11, sct, output out): vire slet wire out 11 wire out 2: not (slct_n, slot) and out_1, 10. sict_n); and (out_2, II, siet): or (out, out_. out_2); endmodule timescale ina / ips module testbench(): reg 10, 11, let: wire out? integer 1: mux dt (.10(10), 11(11), .slet (slet), out (out)); initial begin
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Game Features Create UI similar to the illustration Use fonts, color, images etc. to make the game look interesting The treasure field is 10 by 10 locationsEach location can be clicked to reveal A treasure, or Nothing Treasures Left shows the number of treasures left on the board starting with 20 Treasures Found shows the number of treasures the
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subject : Theory of Computing A .jff file as your answer to question 3 3. (40 points) ={a,b}, L={w: w starts with ab, ends with ba, #a(w)%2=0, and #)(w)%2=1}. For example, abbba e L; abababa e L; aba e L; W = baa & L both because w does not start with ab, and because w does not end with ba; w = abba & L because #)(w)%2=0; and w = ababba & L
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**NEVERMIND I FOUND THE ANSWER And my output is: Enter 5 numbers: Please enter a number: 5 Please enter a number: 2 Please enter a number: 6 Please enter a number: 7 Please enter a number: 2 The total value of your numbers is: 22.0 The average of your numbers is: 4.4 The minimum value is: 2.0 The maximum value is: 7.0 The interest value for 2.0 is

Which of the following is true in the context of hypertext transfer protocol ( HTTP ) ?

java language Complete Programming Project #6 on page 479 of the textbook: Create a class called Vehicle that has: the manufacturer's name (type String) number of cylinders in the engine (type int) and owner (type Person- see below) Then, create a class called Truck that is derived from Vehicle and has the following additional properties: the load
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Estimate how much memory and how much computational power would be required to predict the weather, given two scenarios. a) Predict the weather for the next day. the size of Ontario at a resolution of 1km in two directions but at only 1km in height. Updates are to happen every minute, for a whole day. b) Predict the weather for an area the size of

On Linux systems, files are named in a manner similar to other systems such as Windows, which of the following are some of the important differences? Group of answer choices Filenames and commands in Linux, like Unix, are case sensitive . The filenames File 1 and file 1 refer to different files. Files in Linux begin with an ' f ' , while

My Sum of the row and column is not working so please fix my code and make it run all the things I need for it to be complete. I don't know how to finish it up. HERE IS MY CODE SO FAR........ #include #include int max(int *arr, int rows, int columns); int rowSum(int rowNumber, int *arr); int columnSum(int colNumber); void isSquare(int rows, int
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The acess view in which you can make changes to a form or report while the objects is running the data from the underlying data source displays

*Okay, so I'm doing this program, can't seem to run it properly... Tried several runs and changes.. Still getting used to packages. (I have three files , Box.java , Runner.java , and packages.txt ) *Im currently doing this program with Java language on NotePad++ , help will be GREATLY appreciated! :) *Also, could I get a tip on whats another good
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Write a C or C++ program that performs runs of the following process scheduling algorithms: *Shortest remaining time (SRT) [preemptive] *Round robin (RR) [preemptive] Run each scheduling algorithm for 100 quanta (time slices), labeled 0 through 99. Before each run of an algorithm, create 20 simulated processes. Each simulated process is simply a

You're creating a web page for a coffee shop. Christians Coffee Shop is a one stop shop for millenials to relax with their friends while sipping on the worlds finest coffee creations from lattes to fraps to just plain coffee with cream and sugar. Themed to look like a rustic industrial building, you should expect a welcoming environment to catch

Explain the concept of multicast routing.

Problem #1(20 points) Programming Uniform Universes In 2030, humans have a marvelous progress in exploring the universe. They get shock when they realize that there is not only one universe in which the earth is. The fact is that there are many universes outside and our universe is not alone!!The interesting thing is all universes contain the same
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4. Wind tunnels are extensively used in airplane and spacecraft design to assess drag, which is the force generated by an object when moving through a fluid such as air. Inside a wind tunnel an object (e.g., model of a plane) is held stationary and air flows through the tunnel at different speeds. The object is instrumented to collect data. Drag
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c++ Design and implement a structured program for manipulating arrays data structures, as follow: 1. Use two dimensional string array data structure of five rows and six columns to store the data of five students, each student is identified by (stid, fname, and four final marks). 2. Then, split the above array into two other two dimensional
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Discuss the role of DHCP ( Dynamic Host Configuration Protocol ) .

Which of the following is true for the above 2 verilog codes? Gate design level is used in the code. 2x1 Multiplexer is designed in the code. All nets in the codes must be defined in the testbench section. Your answer: A. I,II,III B. I,II C. I,III D. II,III 'timescale lns / Ips module mux (input Io, il, slct, output out); wire slct_n; wire out_1;
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5. (State reduction) Derive the minimal flow table that specifies the same functi the flow table below if the following state table contains any states which are equivalent.1 machine minimal? Explain. s this Present Next State State Output z aty Numher) 4 7 Lit
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Write a Java program that has the following methods: A method called displayDecreasing that takes as parameters two integers, and displays the numbers in decreasing order between the maximum and minimum of the two integers. The main method asks the user to enter two integers and prints the result by invoking the method displayDecreasing. The
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label the IP address and/or subnet mask for each of the network components Network Component IP addresses and/or subnet mask A IP Address B Subnet Mask C Default Gateway D Subnet Mask E Default Gateway F Default Gateway G IP Address H Subnet Mask I Default Gateway J Subnet Mask K Default Gateway L IP Address M Subnet Mask N Default Gateway O
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Using Python format! Activity 1: Duplicates For this activity, you are to write a function called has duplicates(Ist) Given a list Ist, this function returns whether or not Ist contains any duplicates (True if there are duplicates and False if there are not any repeats) def has duplicates(Ist "Returns whether or not the Ist contains duplicates."
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Page 5, Question 3 3. Given the wff: W-(^^ (A-, D) (-B (a) (2 points) Write out the first three lines of the truth table, where A, B, C, D, E have the values o o 0 -, E) ^ (D - E) ^ (-C-, E))-BA C 000000 1,00010 A, B, C.D,E 00001 00010 (b) (1 point) How many rows would the complete truth table have (c) (6 points) Use Quine's method to determine if
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What is the meaning of the Z = 1 when unsigned binary code numbers are added?
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A quiz has 4 questions with 3 choices for each answer. If you guess every answer, in how many different ways can you complete this test? How many students must take this test to guarantee that at least 3 identical answer sheets are submitted?

Suppose you've written a large C++ program that makes heavy use of templates, and that those templates are all written in header files. What effect would you expect this tendency to have on how long it takes to compile this large program, relative to an equivalent program that made no use of templates? Why?

In an empty singly linked list, the head (first) pointer A points to itself. B. is null OC points to the first node. D. points to an empty node. @ E. receives a medal for being first. Reset Selection Mark for Review What's This? Question 45 of 107 When a function is called, the is created and pushed into a system stack. A function name. B. return
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Show step by step Explore web client tools like curl (minimum one) to understand different http request and response messages. 1
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1 . Draw a structured flowchart or write a structured pseudocode describing the steps a retail store employee should follow to process a customer purchase. Include at least two decisions.

Assume that the voltage of the battery is 9 V and that the three resistors are identical. What is the potential difference across each resistor You can respond once 1 2 V 0 V 3 V 4 V
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Which tool is used to monitor the free space in the vCenter Server database?A . esxtopB. dfC . vimtopD. vmstat

C# Please. Source Code Included Concept Summary: 1. Object Oriented Programming Concepts 2. Abstract classes 3. Polymorphism Objective: Consider the scenario at a high school football ticket stand. Tickets for the games are sold at various times and have different prices depending on how early the ticket is purchased. In this programming
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A program contains 4 types of instructions - addition, subtraction, multiplication, and division. Addition takes 5 clock cycles, subtraction also takes 8 clock cycles, multiplication takes 1 0 clock cycles, and division takes 1 5 clock cycles. In this program, 2 0 % of the instructions are addition, 2 5 % of the instructions are subtraction, 2 5 %

4. After the data is taken for the students, we need to be prompted for display options. The display must list the students for their first name, then last name, then ID, and their GPAs. Here, assume tht each course has the same amount of credits, say 3 . You need to present the data nicely according to formatted strings. 5. While listing the
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Can you draw this ER map on the computer with Corel Draw program? The shape of the ER map should be like the example below Customer -Purchase- Product Made by Customer Phone Country L_name district city street_name street_code pincode F_name ProductD type product_price product_details product_name H made by t Payment + -payment For Paymenti
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Example: Fix errors new student->set major( "Computer Engineering"); #include #include iostream cout get major) -"Computer Engineering") cout
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A stereo compact disc typically requires the bandwidth for each channel to be: O 300 Hz 3,400 Hz 8,000 Hz 20,000 Hz
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Declare a vector named listOfSandwiches that stores 3 items of type SandwichIngredients.

Consider a 3-bit register with data inputs d2, d1, d0, clock input and clk and outputs q2q1q0. Let d2d1d0 =101, q2q1q0=110 What is the q2q1q0 when the clock rises?

Problem 1: a) Use the method of iterative substitution to find the exact solution of following recurrence. if n=1 2T(n-1)+4 if n > 1 b) Use induction to prove that your exact solution is correct. T(n) = {Brice
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assuming you are researching on the topic design and implementation of an automative framework to optimize prometheus efficiency. and on the course of your research, you decided to integrate ansible playbooks for the automation of metrics to be scrape by prometheus and grafana for visualisation. and you installed the following exporters; node

Below is a brief program listing. Create the control flow diagram, determine its Cyclomatic Complexity, choose a set of basis paths, and determine the necessary values for the conditions to sensitize each path. if (c1) { while (c2) { if (c3) { s1; s2; if (c5) s5; else s6; break; // Skip to end of while else if (c4) { } else { s3; s4; break;} } //

please help me write in C Q2. (20 pts) Write a program to create a 2D array of 4x4, which takes random values with in the range [-10... 10), th en sort the rows in increasing order of the sum of elements on each row. Example: 4 -8 -4 4 (sum= -4) -6 4. 2-10 4. -2 0 -1 (sum= 1) Result: 4 -8 -4 4 -6 4 2-10 (sum=-10) 4 -2 0 -1 -7 -4 5 8 (sum=2) -7 -4
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Which of the following statements is incorrect in relation to multiple access protocols: pure ALOHA algorithm lets users transmit whenever they have data to be sent, and allows for collisions to happen; if a frame was destroyed, then the sender just waits a random amount of time and sends it again slotted ALOHA system divides time into discrete

When using an abstract data type in a C + + client, which of the following should be used

Using C language Write an application to display the ATM transaction. The types of ATM transaction are as follows Balance checking Cash withdrawal Cash deposition. You are allowed to include additional features such as saving customer record in text file. 1. Provide the details of -coding -test data -output screen

Identity management on a blockchain refers to managing the identity of individuals and also
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Language-1: Over the = {a,b}, a language that accepts all strings in which a cannot occurs in a clump of four. Language-2: Over the = {a,b}, a language that accepts all strings in which b cannot occur in triplets Find in both languages Construct a Union DFA of the given two languages. Construct Turing Machine for the given languages. Construct

Solve using Matlab . Please no handwritten. (a) Find the shortest distance from the point (4,2,0) to the cone 2 2+y2 (b) Find the dimensions of the rectangular box with largest volume if the total surface area is given as 64cm2 (c) Use Lagrange Multipliers, find max and min :: f(x,y) = y2-2, (d) Use Lagrange Multipliers, find max and min :: f(x,
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(operating system ) Please solve by expert and make it quick as soon as possible Answer the following questions based on Figure 2 Process Image Memory Process 1 Devices Y Files Z Processes Primary Process Table Process 1 Process 2 Process Image Process 3 Process n Process n Figure 2: Operating System Control Tables (C3, coi, Poi) Based on Figure 2
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The following defines which concept? D a none of these answers are correct progres5 d critical section mutual exclusion f. lock synchronization
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Jumping in the Mega Millions fever, your lab is to write a program that simulates the Mega Millions lottery draw. Your program must have an array of five integers named winning Numbers, with a randomly generated number in the range of 0 through 9 for each element in the array. Your program should ask the user to enter five numbers and should store
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Consider the CFG G given in problem 1 . Suppose the pumping length for G is 5 . Which of the following represents a valid way to break s = 0 0 0 1 1 1 0 0 1 1 into u , v , x , y , z according the the pumping lemma? In other words, if the v and y are "pumped", then the resulting string will always be in L ( G ) . The choices do not need to be based

Write code to control the colour sequence of 3 leds, Red, Yellow, Green on 3 pins of your choice. Use a two dimension array 4 rows by 3 columns to sequence the LEDs. Each column holds the on/ off state of the LED, and each row is the next step in the sequence 1 second apart. Also use Serial.Event to change the state of the LEDs from the Serialport

According to the social penetration theory, a person's age, sex, race, or ethnicity is represented by the central layer innermost layer peripheral layer outer layer intermediate layer
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Task 4. Creating Two Methods to Move the Window Create the following two methods and place a comment above each method. Write a void method (with a comment above it) called snapToTop that moves the window to the top of the screen, but does not change it's horizontal location. If you remember how to do this, do so and move to the next method, if

I need the answer in C CODE Please A program may execute the same computations repeatedly. The program below repeatedly asks the user to enter an annual salary, stopping when the user enters 0 or less. For each annual salary, the program determines the tax rate and computes the tax to pay. Run the program below with annual salaries of 40000,

In our flying system we want to develop a simple game to our passengers. The game works as follows. The program is taking text from the passenger, once the passenger enters text, two other components (Listeners) of the program are informed that the text has been changed. The first Listener will display the text in reverse and the other will

10 Activity for $2. 1. Use the elimination method to reduce each system to an upper triangular one. For each step of the algorithm, write the notation for the step you are performing (e.g., R2 +3R1 + R2). Then, use back-solving to find a unique solution, or to show the system has infinitely many solutions or no solutions. 2x - 3y = 5 (a) -4x+6y=8
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Please if you can provide the formulas but also briefly explain it so I understand. (Also not too sure if I did number 12 correctly, please let me know if it's not correct). I can't seem to uplad the excel file or I would. 12 In the Loan sheet, insert formulas in the range E2:E4 to calculate the loan amount, the number of payment periods, and the
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4) Consider the following function with don't cares: g(x,y,z) =m (5,6) +d (1,2,3) Determine if any of the following expressions can be used as a solution for g? Explain your answers. a) z' + xy'z b) x (y' + z') c) yz' + y'z 5) Draw the diagram of the following expressions using only NAND gates. Assume all inputs are available both uncomplemented
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