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Databases Questions and Answers February 09, 2021

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Suppose you are given the following code written in a hybrid language whose squareroots are traced to Algol-family of languages, such as Pascal, C, and Ada83. integer function caller() {integer i = 2; procedure someProc(integer x; integer y) {y++; x = x * i; } integer a[1..3]; for(integer j in 1..3) a[j] = j; someProc(a[i],i); print(i, a[1], a[2],
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Is there a another SQL statement for the question "Write a SQL statement to produce a list of only those authors who were born in the 1 8 0 0 s . Show all columns in your results. Recall that author birth and death dates are stored as plain numbers, not text or date / time types."
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Select all the correct statements ( there could be more than one ) Cocktail sort is a recursive algorithm that merges and sorts subarrays Cocktail sort tries to eliminate turtles ( slow elements ) Cocktail sort tries to eliminate rabbits ( slow elements ) Cocktail sort is an optimization of Insertion Sort Cocktail sort is an optimization of Bubble

loss function with closed form solution example

Time 24 hour:int minute:int Time24(int=0,int=0) Normalize Time():void AddTime(int):void ReadTime():void Write Time():void GetHour():int GetMinute():int operator++():void operator--():void Time 24 operator+(Time 24 ):Time 24 O . NormalizeTime() method should covert hour and minute to standardized format. o hour - The first output hour will always
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Consider the phrase"zow rou rou your boats (note the four spaces) Assuming that spaces come before letters in the alphabet (look at the order in the ASCII table), build a Huffman tree based on that phrase What is the optimal encoding of the phrase in binary? What is space savings achieved by using this encoding instead of 16-bit Unicode? Give your
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Provide a list of programming languages for the development of an online food ordering and delivery system

Given a connected edge-weighted graph G and a specified set of edges S (having no cycles), describe a way to find a minimum-weight spanning tree of G that contains all the edges in S.

solve with explanation Question 17 4 pts Consider the following theorem: If x is an odd integer, then x + 2 is odd. Give a proof by contraposition of this theorem. Edit View Insert Format Tools Table 12pt v Paragraph v Question 18 4 pts Consider the following theorem: If x is an odd integer, then x + 2 is odd. Give a proof by contradiction of this
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What is the most important process of web develpment

4. Consider your watch (digital) as a system and set the time 2 minutes case S ahead - describe the use me recording all actions and reactions required. Use the template given. achieve this. (18 points) Note: Your watch system shall allow you to set the hour and minutes by having 2 buttons to
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In how many ways you can go from (4,10) to (11,17) considering you can only move one unit to the or , staying below or on the line y=x+6
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Can you please explain how to use substitution method to solve this problem? I got until but I don't understand how to reduce it Problem 1 (2 points) Solving Recurrence Relations Draw the recursion tree for T(n) = 3T (Ln/2.) + cn, where c is a constant, and provide a tight asymptotic bound on its solution. Verify your bound using the substitution
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What is the difference between the types of prototyping?

Testing out of bound values Modify the example addressArithmetic3.c by creating an array of 5 values before numbers and a second array after numbers. Fill each with distinct values. Use #include to include the declaration of your datatype from Part I. Display values from numbers using subscripts from 6 to 9. From which array (if either) do these

Select a search query term or phrase, a product you plan to purchase, or some area of personal interest. Use the query at each of the following search engines: a. Google.com b. Bing.com c. Yahoo.com d. Hakia.com For each site, make the following observations: a. How relevant or useful are the websites listed on the first two pages of search

Task 1 trace the flow of bits for each labeled line in the single cycle CPU diagram. You may assume a minimum number of lines to carry the information. The instruction to trace is: addi x 5 , x 1 0 , 1 2 . Assume register x 1 0 contains the value 8 . For numbered lines, you only need to fill in those relevant to the instruction. You should fill in
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Agile software development describes several methods of software development that decreases the implementation time and reduces the number of defects. True or False

Can someone help me? I don't know how to do this third test Modify secondVerse to play "The Name Game" (a.k.a. "The Banana Song", see Wikipedia.org), by replacing "(Name)" with userName but without the first letter. Ex: if userName = "Katie", the program prints: Banana-fana fo-fatie! #include #include using namespace std; int main() {string
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Before attempting this project, be sure you have completed all of the reading assignments, nongraded exercises, discussions, and assignments to date. Write a Java program which displays a menu to allow user the following functionality: 1. Load employees data - prompts user for the number of employees to be loaded and then prompts for each employee

A computer spends 30% of its time accessing memory, 20% performing multiplications and 50% executing other instructions. As a computer architect you have to choose between improving the memory system, multiplication hardware or execution of non multiplication instructions. There is space on chip for only one improvement. Each of the improvement

A problem H comprises two subproblems, Ill and H 2 , which are solved by programs and P 2 , respectively. The program p 1 would run 1 0 0 0 s on the computer C 1 and 2 0 0 0 s on the computer C 2 , while P 2 would require 2 0 0 0 s and 3 0 0 0 s on C 1 and C 2 , respectively. The computers are connected by a 1 0 0 0 - km long optical fiber link

JAVA question Implement the following three classes with all of the listed functionality: ratings.Song - In the ratings package, create a class named SongThis class will have a constructor that takes 3 parameters in this order: A String representing the title of the Song A String representing the artist of the Song A String representing the Songs

Please answer question in In C++, Node class represents a single element of the linked list. class Node { public: string key; Node* next; }; Write a Function to add a New Node with key value from parameter string 'item' to the head of a list: Node* InsertItem(Node* List, string item); Write a Function to print items in linked list: void

Multiple Select Question Select all that apply The president ( s ) who supported a more active role for the government are: Barack Obama George W . Bush Bill Clinton Joe Biden Donald Trump
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Matlab Project Calculate S I D u s i n g R e g u i a F a l s i 3 SID NUMMBER = 5 0 3 2 0 9 0 0 S I D 3 7 = x x 3 7 - SID = f ( x ) = x 3 7 - N What woold you like to do is to find the rout f ( x ) = 0 : x 3 7 - N = 0 Falsi will give an approximation Find x within an accuracy of l o n = 0 . 0 0 0 1 Print: The 1 s t three row and the last three rows
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Use the Loan worksheet to complete the loan amortization table. In cell F 2 , insert the IPMT function to calculate the interest for the first payment. Copy the function to the range F 3 :F 2 5 . ( The results will update after you complete the other functions and formulas. ) 5 1 6 In cell G 2 , insert the PPMT function to calculate the principal
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Write a program that prompts the user to input an integer and then outputsboth the individual digits of the number and the sum of the digits. For example, the program should: output the individual digits of 3456 as 3456 and the sum as 18 , output the individual digits of 8030 as 8030 and thesum as 11 , output the individual digits of 2345526 as

use matlab image processing tool and include actual code Q4. Use the checkerboard function in Matlab to create an checkerboard image, F, where the side of every square is 50 pixels in length. Then implement the following: 1. Using an affine transformation matrix T, rotate the image by angle =/6 in the counter-clockwise direction. 2. Then, scale
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What is the expected effect of using a netmask to subdivide a Class B network address? a ) Increased network security b ) Increased network congestion c ) Decreased network security d ) Decreased network congestion

3. Write a C++ program that allows the user to enter non-negative numbers (pressing the Return key after each number is entered). A negative number entered by the user indicates the end of the list of numbers. Output the total and average of the numbers the user entered excluding the negative number. 4. Write a C++ program that asks a user to
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Convert from C++ to C language. Following is the requirement of program I am trying to create!! Its a C program and needes to be coded in C Language and not C++. I have posted it several times and everyone gives me a C++ code which is totally unnecessary for me. Also, I have included a C++ version solution for the following program so, can someone

Simply give your opinion on what makes a " good " program .

a- Explain the command rm [^f]* b- Write a Linux command that resets the permission of group and others for a file called file1.txt c- Explain the command cat > larger.in

CLEAR HANDWRITING PLEASE 3. Practice exercise 6.2 from the textbook. Given following schemas EMPLOYEE(PERSONNAME, STREET, CITY), WORKS(PERSONNAME, COMPANYNAME, SALARY), COMPANY(COMPANYNAME, CITY), and MANAGES(PERSONNAME, MANAGERNAME), write relational algebra expressions for the following queries. a) Find the names of all employees who live in the
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Can you Answer 3.4 Prepare 3 Generate test design 3.1 Task Generate test design 0 Activities Check existing test designs for each data mining goal separately. Decide on necessary steps (number of iterations, number of folds etc.). Prepare data required for test. (You can use 66% of records for model Building and rest for Testing) 3.2 Build model
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4. For the following event tree and fault trees represent a complex system logic, Success Failure Failure Failure a) Find the cut sets of the three sequences leading to "failure" b) If Pr(a) - Pr(b) -Pr(c) - Pr(d) Pr(e)-0.1, find the probability of failure of this system 4. For the following event tree and fault trees represent a complex system
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Use the Design Recipe to write a function common_keys that takes a list of dictionaries and returns a set of keys that are in common in all of the dictionaries. Hints: You can get a set of keys from a dictionary by calling its keys() method: d.keys() You can compute the common keys between two dictionaries using the & operator: d1.keys() &
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2. TCP Data Flow Below is a Telnet session in which Host A transmits "ED" to Host B. numbers indicate the NEXT expected sequence number a. Remember that TCP ACK Host A Host B SN 20, dataE User types 'E Host ACKs receipt of 'E User types D Fill in the missing ACK and Sequence Number b. TCP connections are full-duplex. This means that the two
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Just nice and simple please and to the requirements asked, comments would be appreciated but you don't have to :) ORJFCTIVE Design, debug and test a Java progran that perforims arithmetic operations on comple ubers. Complex numbers are represented in the form (r, i), where ris the real part of the number and i is the imaginary part of the number
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Touchstone 4 : Formal Report ASSIGNMENT: Now it s time to put all the thought and effort from the five Touchstone Tasks together to create your final project in this course. Imagine that you have been asked by Greenfield Properties to provide guidance and advice about how they should set up the IT network in their new building. Review the scenario
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QUE: 1 Identify 5 main differences between Transactional System and Business Data Warehouse. QUE: 2 Identify the TRANSACTIONAL systems from the below list: (A)Inventory System at Retail. (B)Healthcare Claim Analytics. (C) system to issue tickets at a local railway station. (D)Reporting system to identify late appointments at doctors office.
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Conduct a search online about USB 3 . 0 interface. a . Find out the voltage levels for data lines D + and 1 D - ( providing the URL of the information source ) . b . Is the signal single - ended or differential?
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NEED TO DO GEOMETRIC PRORAMING Exercise 3 (30 points) -R8 -2x45 R6 18 040- 050 026 AN 2x45 20 100 Exercise 3 (30 points) -R8 -2x45 R6 18 040- 050 026 AN 2x45 20 100
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Objective: To develop a script to create and populate PROJ database Your need to do the following tasks: 1 . Using the Lucid chart and data dictioanry provided, create the data moel for Proj DB 2 . Using the data dictioanry provided, develop the CREATE TABLE script for Proj DB 3 . Data for Proj DB tables are provided in the worksheets of the Proj

Write an assembly language program to input a string from the user, count and display the number of times each word occur in the user input string. For example if the user types in: "Hello there how are you, there you are Hello Hello you" Your output should be: Hello 3 there 2 how 1 are 2 you 3. Kip Irvine assembly language please!!

Identify the DoS / DDoS attack technique in which the attacker spoofs the source IP address with the victim s IP address and sends a large number of ICMP ECHO request packets to an IP broadcast network.

***** Assembly Language 80X86 **** The following design will input numbers into an array of doublewords, using the sentinel value -9999 to terminate input. nbrElts := 0 get address of array prompt for and input number while number != -9999 loop add 1 to nbrElts store number at address add 4 to address prompt for and input number end while

Explain which elements of the physical layer can help to adapt the data rate and transmission reliability to the transmission environment in a maximum of 100 words)
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[Biel]: I can't write in the student answer space, so use this format (You do NOT need to draw the lines): 91. 92. 43. q4. (List all seven numbers in the order they would be in the array at the end. Don't have to write the lines.) Line 1. int x[] = {2, 13,5, 17, 8, 6, 15}, "ptr = &x[3]; Line 2. ptr =* ptr + 4; Line 3. "(ptr+2) = x[0]; Questions:
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how can i switch from exact form to decimal form

Two documents are sent to an external entity. 7 Data on source documents are keyed to an offline disk. Does not match any Programmed edits are performed on key input, the data entry clerk investigates exceptions and keys in corrections, and then data on the disk are updated. 8 Inputs stored on two magnetic disks are merged. 5 The computer prepares

Im trying to figure out parity bits in an assignment in mips, to calculate the parity bits ive been given the equation (p 1 +d 1 +d 2 +d 4 )%2=0. How would i find p 1 , some mips code would be nice but not needed as i have the code running as it should other than this.

How do I create a flowchart with this? Please help! In this project, we shall create an app that determines the price of a movie ticket based on a user's age. There are 3 different prices as below: Juniors - $6.50 (ages 6 and below) Seniors - 7.50 (ages 60 and above) All Others - $10.50 These prices are fixed and it is only displayed to the user

Find the length of the input string using x86 assembly language and show screenshot of output after coding

which of the following is changed by Router in TCP IP packet

There was a previous answer to this question, but it wasent exactly answering the question and gave me errors in Java I didnt understand. I have to finish this within the next few hours so anyone who can help me get this done on point will get massive props. Remember that only the paragraph below is what needs to be changed. No user input is

Select a type of computer hardware that interests you and write a one - page report on three possible choices of it . Examples include monitors, USB drives, external hard drives, or computer tablets. Your report should include a table similar to the one shown here that includes: ( 1 ) embedded pictures of your choices, ( 2 ) major specifications (

What are the hexadecimal equivalents of the following bit sequences? 1 0 1 0 0 0 0 0 1 0 1 1 0 0 1 0 1 1 0 0 0 0 1 1 1 1 1 0 0 1 0 1 1 1 1 1 1 0 1 0 1 0 1 0 0 0 0 1 0 1 0 1 0 1 1 1 1 1 1 0 1 0 0 0
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A pawn starts on the lower left corner square of an nxn chess board (n > 1). At each step, it can only move a single square to the right or a single square up. In how many different paths can it reach the upper right corner square
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Im struggling. 1. Write a complete C++ program that reads data into an integer array named tastals (size will be determined from input). The program includes two functions named alsaxa)and calc_variance ). The sals.aua function calculates and returns the average of the values stored in array tastxals Function calc_variance on the other hand,
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5. Solve the following recurrence relations. a. x(n) = x(n-1) + 5 for n > 1, x(1) = 0 b. x(n) = 3x(n-1) for n > 1, x(1) = 4 c. x(n) = x(n-1) + n for n > 0, x(0) = 0

The signature of a method includes: Question options: Only the method name The method name and the return type of the method The method name and order / type of the method attributes The method name, return type, and order / type of the method attributes

QUESTION 27 Which of the following is not a built-in Access data type? Byte Double String Boolean Irrational number QUESTION 28 The rows in some particular table must all have the same columns True False QUESTION 29 In a database the tables are the means of storing the persistent data W are comprised of one or more columns and all the columns must
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Question 19 Not yet answered Marked out of 4.00 Prove using mathematical induction that, 1+ 21 S 31, for all ni (n>=1). (a) What is the basis step? (b) What is the inductive hypothesis? () What is the inductive step. Provide your solution? P Flag question 7 A BIFT:- !!! III 22
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Recursion requires a _ _ _ _ _ as well as a defined recursive process. model function solution base case

Using C # objects and classes INSTRUCTIONS Complete the requirements of this assignmen-on your own. When you have finished, write your name on the board to get your instructor to mark your assignment. You are encouraged to create a flowchart; without a flowchart your instructor may not provide any assistance. Step 1: Create a program named
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class Bird 1 private: string name; int speed; public: Bird (string, int); virtual void sing(); virtual void fly(); string getName() const; 1 class Birdof Prey : public Bird { protected: bool hungry: public: Birdof Prey (string, int, bool = true); virtual void kill Prey(); bool isHungry(); }; class Eagle : public Birdof Prey { public: Eagle
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In Android apps, _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ are conceptually screens in the apps with which you interact. Select the right answer: Question 1 7 options: Activities Contents Provider Services Broadcast Receivers

Metabolic Power Program are concerned with computing the metabolic power of mammals and reptiles. For Biologists example, a hibernating ground squirrel is contained in an air tight chamber. The mass of the squirrel is 30 grams. The ambient temperature inside the chamber is 5 degrees Celsius. The chamber pressure is 756 mmHG. The concentration of
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1.An Ethernet frame is carrying an ARP request in its data field. What is the destination physical address in the Ethernet frame in hexadecimal? (Hint: recall that an ARP request is broadcast.) 2 pts 2.Consider the diagram below, which uses unrealistic IP and MAC addresses to simplify the problem: 4 pts Source Host: IP Address is 1.1.1.1 MAC

The prompt 'Switch# ' indicates you are in global configuration mode for that switch. Select one: True False
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What are the most common techniques for reuse at architectural design. What are the mechanisms to reuse functionalities in Object Oriented systems? Explain the pros and cons of each one.

Please help animate this mechanism using matlab programming. Please provide matlab code. 20 200 mm
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I just need the SQL statements for these problems. 1.)Make the distance for the Pontook Reservoir Tour trip equal to an unknown number. 2.)Add to the PADDLING table a new character column named DIFFICULTY_LEVEL that is three characters in length. Then set the default difficulty level value for all rows to the value MOD. 3.)Change the
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Copyright laws were established A. to allow authors to distribute their work while maintaining certain ownership rights. B. to allow authors to maintain ownership of their ideas. C. to restrict access to publications to certain groups within society. D. to allow ideas to be traced back to their origins. Which of the following describes only the
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( 1 point ) In this problem we will crack RSA. Suppose the parameters for an instance of the RSA cryptosystem are N = 4 6 6 1 , e = 5 . We have obtained some ciphertext y = 1 0 4 6 . a ) Factor N = 4 6 6 1 into its constituent primes p and q . min ( p , q ) = max ( p , q ) = b ) Compute ( N ) . ( 4 6 6 1 ) = c ) Compute d , the decryption
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For the following, How to make the class, function and the text files. Would Appreciate some explaination The Language is visual basic A company has hired you to create an application that functions as an online store. The application will contain a list box that shows all of the items that can be purchased, a shopping car list box that shows

Please do parts a and b in java language. Where it asks please use the input file fortunes.txt. It's not important what is in the file but please use file input and outputs as needed. Geniegotchi! Part a: Write a class called Geniegotchi with: 1. Private data fields: name (of String type, initialized to "Bob"), endurance (of int type, initialized
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Hello, can someone please tell me how to use FreeRTOS with Putty? and if u show pic it will be so helpful. Thank you!!

Develop a program to calculate the frequencies of different words in a text file, and submit a lab report before the next lecture Preview the fullu
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What does parametric mean in the term "parametric modeling"? Group of answer choices There are two metrics in the modeling process. The geometric dimensions can be varied at any time. You have to enter dimensions as variables or parameters. The unit system is set to the SI system. The designer incorporates design intent when constructing the model.

x=4 y=5 Suppose we a convolutional neural network. Inputs to convolutions are properly padded so that convolutions do not reduce the size. The kernel dimension (depth) matches the size of the previous layers output. Bias term is added convolution outputs. The layers and descriptions are given below. Calculate the number of parameters at each
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Use the excel if function to determine when students are cold. If the temperature is less than that given in the cold if less than cell then output the string cold . If greater than output the string warm . (note: do not hard code the cold if less than, use a reference) Give the top cell the correct relative and absolute references so that the
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Error burst occur what percent of the time

Beyond the hype: Big data concepts, methods, and analytics Amir Gandomi , Murtaza Haider Ted Rogers School of Management, Ryerson University, Toronto, Ontario M5B 2K3, Canada This is article based on i need answers. Question:-The authors gave the 3 Vs of Big Data. What are they? Using scholarly evidences and concepts learned in class explain these

Please carefully read the question: A car-rental company maintains a vehicle database for all vehicles in its current fleet. For all vehicles, it includes the vehicle identification number, license number, manufacturer, model, date of purchase, and color. Special data are included for certain types of vehicles: Trucks: cargo capacity Sports cars:

You are designing a new langauge with fixed-point numbers. Every fixed-point number should have a unique representation. This means, no leading or trailing 0's are allowed, and every number must have a "point". Examples: Allowed: 0.0, 10.0, 45000.007, 0.888 Not allowed: 0, 10, 10., 10.00, 045000.007, .888 1. Write a regular expression for

Write this in ASSEMBLY, IRVINE x86 Write a program that generates a random number. Ask the user to guess the number. If their guess is too high, tell them "too high" If it is too low tell them "too low" If it is correct tell them "Yayyy you did it. It only took you X tries" Where X is the number of tries it took.

in the data duplication process what does the filter driver component do .

Q 2 ( c ) [ 1 2 Marks ] Suppose we wish to implement a DiffServ Architecture as follows. There are three classes of traffic The first class should be allocated at least 8 0 % of available bandwidth The second class should be allocated at least 1 5 % of the available bandwidth The third class should receive the rest. Additionally, streams for the
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This standard set of model constructs, notations and symbols have been developed specifically for software systems analysis and design documentation. Question 8 options: OOA UP UML OOD

Steps: 1. Create a new Java project in Eclipse named CalculateTotal 2. Create a new Java source file named CalculateTotal.java 3. Paste the code below into your newly created file 4. Fix the bugs 5. Submit your corrected Java file. Code: import java.text.DecimalFormat; /This program calculates a total based on merchandise total, shipping amount,

Observe the sample Matlab script message_passing.m. This script generates a character string, converts the string to ASCII values, converts the ASCII values into an array of bits, turns the bits back into ASCII values, and finally converts the ASCII values back into a message string. In part I of the project, create two functions based on the

Consider the following expression BNF: ::= + | - | ::= * | / | ::= | ( ) ::= 0|1|2|3|4|5|6|7|8|9 Using recursive descent, and only recursive descent , scan expressions that adhere to this BNF to build their expression tree; write an integer valued function that scans the tree to evaluate the expression represented by the tree. There are plenty of

True or falsel The following Scala function is tail-recursive: dettatch ((s : L 1 st [X), ys:List [X]) : List(X] { . case Nil => ys True False
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What are the digital values ( 0 / 1 ) of the nodes I, J , K , L , and M when the following input values are used: A = 1 B = 1 C = 0 D = 0 E = 0 F = 1 G = 1 H = 1 X = 0 Y = 0 Z = 0

What is the proper code to input in the module/button that will specifically prompt the user to "SaveAs" , "Close" the (.xlsm) file, and open the same "New" sheet again? I want to create an excel micro-enabled file .xlsm that will have a button called, "Save&New". The module/button will SaveAs, close the current file and open the same file again.
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Please answe the following question using the appropriate notations Please keep it readable Thanks 17. The tail of a language is defined as the set of all suffixes of its strings, that is, tail (L)={y : zy E L for some z *) Show that if L is regular, so is tail(L)
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a . How many IP addresses would be required for the diagram below? Briefly explain why.

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