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Databases Questions and Answers June 29, 2020

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Suppose that K is a red node with a red parent in the following tree, and that outside of this one violation the rest of the following tree conforms to all Red - Black Tree properties ( the colors are just omitted from this diagram ) . Which of the following nodes would you need to know the color of to determine the appropriate case and algorithm

please ASAP choose one answer Given the following code segment for Stack. What is the value at the top of the stack? 1. Stack color = new Stack(5); 2. color.push("blue"); 3. color.push("red"); 4. color.push(color.top(); 5. color.push("green"); 6. color.push(color.pop(); a) blue b )stack underflow c )green d )red Which of the following represent

This is for computer architecture assembly language RISC-V rars. SW 3 - Control Flow Learning Objectives: . To practice writing flowcharts to describe the steps of a program. To practice writing assembly language programs that make use of control flow Assignment: First, create a flowchart that will perform the following behavior. Then implement
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Question 2. Given the following finite automaton M, produce a regular expression R with L(R)-L(M) using the algorithm used in the proof of the theorem that says that the class of regular languages is equivalent to the class of languages described by regular expressions. Show your work 1, 0 0
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Carlos is a millionaire who manages several successful companies. He ustally interacts with people of sinillar status. Given this information. Carlos and the people he frequents are part of a family sacial class popilar cuilture reference group
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Given a table : a) What are the register values at each step of the following code given that s0 starts at 0xAABBCCDD? Write all values in hex. b) What operation does the previous question complete? so s1 s2 add s1, so, zero add s2, so, zero srli so, so, 24 slli s1, s1,8 srli s1, s1, 24 slli s1, s1,8 or so, so, s1 add s1, s2, zero slli s1, s1, 16
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I have this question for my Operating Systems class: During a design break out session, designer X states that all kernel design must follow a modular approach. Designer Y listens to designer X's points and then replies that the monolithic kernel is the only viable solution. Provide a discussion (and back up your claims) that takes both points of

An analyst is designing a visualization support real state agents to keep control of contents of houses they rent. She has built a fake data set to test alternatives. The following text describes the data: The house has two sections: upstairs and downstairs. Upstairs has two bedrooms, one office and one bathroom. Downstairs has kitchen, living

S Q En O R Refer to the figure SR with enable latch when En is high S=1 and R=1, what is the output state a Reset O bundetermined cset d. No change
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The goal for this assignment is to implement Stack ADT using arraylist or linkedlist implementation. develop program (another Class) to use MyStack class to solve practical problem. Part 1: (10 points) Develop a new class, called MyStackYourname, to implement, among others, key stack operations [push(e), pop(), peek(), size(), isEmpty(),

Since, hconf(X) s r(X), we can eliminate cross support patterns by finding patterns with h-confidence
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Please fast because i need answer before 16:00 QUESTION 4 The OS peripheral devices are categorized into 3: Dedicated, Shared, and Virtual. Explain the differences among them and provide an example of devices for each category. (6 marks) The queue has the following requests with cylinder numbers as follows: 98, 183, 37, 122, 14, 124, 65, 67 Assume

Fault tolerance is an important concept for organizations and security professionals to thoroughly understand. Describe each of the following terms, and explain how they relate to fault tolerance. Refer back to the unit's assigned readings as needed. Single point of failure Redundancy Redundant array of independent disks ( RAID ) Load balancing

in java language 1. (15 marks) Design an algorithm for the following operations for a binary tree BT, and show the worst-case running times for each implementation: preorderNext (x): return the node visited after node x in a pre-order traversal of BT postorderNext (x): return the node visited after node x in a post-order traversal of BT
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Q- Given the abstract data type (ADT) for static stack template in Stack.h below template class Stack { private: T *stackArray; int stackSize; int top; public: Stack(int); Stack(const Stack&); ~Stack(); void push(T); void pop(T &); bool isFull(); bool isEmpty(); }; Construct a simple C++ program that creates a stack of strings so that the

PLEASE PROVIDE ANSWER FROM D TO H IN JFLAP IMAGES SUCH AS THIS (60 pt., 7.5 pt. each) Construct a regular expression in JFLAP (version 7.1) that generates each of the following languages. For each language, you must submit one JFLAP file clearly labeled (e.g., 1a.jff). Make sure that you test your regular expressions in JFLAP before submitting.
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Computation ability in IoT devices is: Question 5 options: simple Powerful Not exist

Q1. You are asked to work as database designer to consider the following problem description (Note that X and Y are specific to every student): A medical institute hires medical doctors to work in hospitals. A medical doctor may work in more than one hospital. Each hospital has a director (who is a medical doctor), a location and administrators
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Find a topological ordering for the graph below
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True or False, In Excel, a comment is a text box that is in adjacent cell containing data.

Which of the following is a web app? Yahoo! Microsoft Edge Flipboard Google Docs
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What factor significantly influences the characteristics of terrestrial radio channels? Question 4 1 options: The depth of the optical fiber underground The proximity to satellite radio channels The type of physical wire used The propagation environment and distance The frequency of optical pulses in fiber optics The use of repeaters and

Need help on the first and third one!! Question 3 3.33 / 10 pts Write the binary encoding for the following instructions. Indicate the different fields in the encoding by placing a space between them. ADD X3,X2,X5: ADD X3, X2, #40: 10010001000 SUB X3,X5, X3: Answer 1: (You left this blank) Answer 2: 1001000100 000000101000 00010 00011 Answer 3:
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Considering the following (k+1, k) systematic linear block code with the parity-check digit c k+1 given by c k+1 = d 1 +d 2 + +d k (a) Construct the appropriate generator matrix for this code. (b) Construct the code generated by this matrix for k = 3. (c) Determine the error detecting or correcting capabilities of this code. (d) show that cH T = 0

A surrogate key is a primary key that consists of a column that uniquely identifies an entity. True False

Question 2 [8 Marks]: Design a circuit diagram for the following comparator system that takes three 3-bit binary numbers [A, B and C] as inputs and outputs in the following fashion: Output=1; if A-5>2B Output=0; otherwise NB1: You need to show a gate level diagram for the comparator, meaning you cannot use block diagram of magnitude comparator.

Show truth tables for each of the following. * a . There are four inputs and three outputs. The inputs, w , x , y , z , are codes for the grade that may be received: \ table [ [ 0 0 0 0 A , 0 1 0 0 B - , 1 0 0 0 D + , 1 1 0 0 Incomplete ] , [ 0 0 0 1 A - , 0 1 0 1 C + , 1 0 0 1 D , 1 1 0 1 Satisfactory ] , [ 0 0 1 0 B + , 0 1 1 0 C , 1 0 1 0 D - ,
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The alphabet is ={b,c} Give a regular expression for the below language B. That is, you should define B using alphabet symbols, empty string and the operations union, concatenation and closure. B is the set of all strings over {b,c} that do not have bbbb as a substring
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For the purpose of this question, consider a "vertex rearranging function" for a graph G = ( V , E ) is a function \ phi : V - > V that rearranges the vertices of G while preserving the graph's structure. This means that if there is an edge between vertices u and v in G , then there must also be an edge between \ phi ( u ) and \ phi ( v ) in G ,

Because a computer cannot show empathy, emotional intelligence, or interact using social skills, the term STEM ( science , technology, engineering, math ) has progressed to which of the following? STEAM ( arts is added ) STERM ( reading is added ) STELM ( literature is added ) STESM ( speech is added )
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Description: You are asked to develop a replicator (client) that distributes a large job over a number of computers (a server group) on a single switched LAN (our Linux lab). In this assignment, a large (simulation) job can be divided into a number of small jobs, each of which can be assigned to one machine from the server group for execution. The

Consider the following simple graph, represented by its adjacency matrix. (a) Draw the graph. (b) Run the DFS algorithm starting from vertex a, and draw the final DFS tree. (c) Run the BFS algorithm starting from vertex a, and draw the final BFS tree
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JAVA In this boolean method I want to detect if the input from command line args are pure letters and two symbols "," and "." For output below, the command line args: (abc "" def) and (Hello.World) are both detected as true but it should be false. I suppose the period should add a space after it or it will return false, and for "" I have no idea
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Professors have an SSN , a name, an age, a rank, and a research specialty.

occupancy rate = Number of rooms occupied / Total number of rooms. Write a python program that caculates the occupancy for each floor of the hotel. The program should start by asking for the number of floors in the hotel. a loop should then iterate once for each floor. During each iteration, the loop should ask the user for the number of rooms on

How can Harvestor be used ethically and responsibly from a security standpoint? ( Select all that apply. ) Question 6 Answer a . By using Harvestor to launch cyber attacks or compromise systems for malicious purposes. b . By obtaining proper consent and following privacy regulations when collecting and using harvested data. c . By conducting

HELP ME the program language is java. and it needs to print out 10 skydive rounds Your assignment is as follows: A skydiving competition is comprised of the following: Each team has 5 members (4 point skydivers and a cameraman) Each meet has a maximum of 10 skydives Each skydive has a maximum of 5 maneuvers to perform in repetition in 35 seconds,
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what is civil law, and what does it accomplish

Need help building following weighted graph in java class for NCCitiesRoads (see bolded area): import java.util.*; /** The NC Routes Project: Lesson 10 Start * The NCCitiesRoads class creates a graph * from city and road information */ public class NCCitiesRoads { /** * For this program: * 1. Create the City and Road ArrayLists * 2. Add 6 City

SECTION A COMPULSORY QUESTION (15 marks) QUESTION ONE (15 marks) CASE SCENARIO The pharmacy at a hospital fills medical prescriptions for all patients and distributes these medications to the nurse stations responsible for the patients care. Medical prescriptions are written by doctors and sent to the pharmacy. A pharmacy technician reviews the

When referring to the following circuit, which statement is most correct? Group 1 499 510 R2 R 800 3702 7502 1 LEM w w Ro RE 4522 Group 2 The effective resistance of group 2 is greater than the effective resistance of group 1 because the added resistance is in series. The effective resistance of group 2 is greater than the effective resistance of
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Which of the following is the fourth subnet address in the series of networks starting 192.168.55.0/26? O . 192.168.55.192 b. 192.168.55.128 o 192.168.55.4 od 192.168.55.64 in which of the following scenarios, the packet will be forwarded directly to the destination host without using the default gateway address? all the source and destination
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8 What is industry best practices to secure system? A) Update system regularly with secure patch/update B) Don't allow end users access the system at night or weekend C) Replace system with new one every 5 years. D) Don't connect the system with Internet. 9 and its relationship with The T.J. Maxx case is significant for the study of other
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The ZipCode Class the attributes String fiveDigit String plus4 The App class create 2 ZipCode objects called z1 and z2. z1 data fiveDigit - "90210" plus4 - "" (blank, no spaces) z2 data fiveDigit - 16802 plus4 - 1503 display all the data from each object if the second attribute, plus4 , is blank, display only the first attribute fivedigit for

Consider the following data and corresponding weights. $\begin{array}{cc}x_{i} & \text { Weight }\left(w_{i} ight) \\ 3.6 & 6 2.0 & 3 \\ 1.5 & 2 2.0 & 9\end{array}$ a. Compute the weighted mean (to 3 decimals). b. Compute the sample mean of the four data values without weighting (to 3 decimals). SP.AS410
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The execution time is a bigger problem than the memory requirement for breadth - first search. true or false?

Q2. Cache Suppose we have a processor that has a 4-way set-associative L1 cache with 256 blocks in total. Each block contains 16 bytes. The cache also stores 22 bits as tag and 4 check bits for each block. The hit time to the L1 cache is 1 cycle and the LRU policy is used for replacing cache blocks. The processor also has 8-way set-associative 4MB
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Discuss why websites may require you to have certain types of characters ( uppercase , lowercase, numbers, special symbols, etc. ) .

While government plays a significant role in innovation, industry provides the majority of R&D funds that are ultimately applied to technological innovation. true or false

Using MATLAB and proceeding as in the example of ( 2 . 6 ) - ( 2 . 7 ) , find the binary double precision IEEE floating - point expressions for the following numbers: ( a ) 8 ( b ) 1 2 ( c ) 1 . 5 ( d ) 0 . 5 ( e ) 1 . 2 5
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Industry Print Fxercise 9 - 1 Refer to the print PR 9 - 1 and answer the questions below. How many angular dimensions are shown on this print? How many reference dimensions are shown on this print? Did the creator of this print follow the cylinder rule for the Does this print use the aligned system or the unidirectional How many local notes with
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Prove the validity of the following statement using the laws of Boolean Algebra. For each step of the proof, identify which law was used.
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which of the following is not true about scrum?

In Cortex-M4 processors, memory is byte-addressable and by default little endian. True False Question 29 (2 points) C is the carry flag Op=1 is addition Op=0 is subtraction A is the first operand, B is the 2nd operand. Select a Boolean expression that could accurately describe the logic in which the carry flag is set to 1, according to the correct
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java 1. [3 mark] Define a class for: o "Engine" with two private variables: maker (String) and cylinder (int). Write a constructor with two parameters. The first parameter should initialize the maker variable and the second parameter should initialize the cylinder variable. The cylinder value must be an even number between 2 and 12. o Write the
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Please help with C++. Binary trees. when I compile , I get an exception Thread 1: EXC_BAD_ACCESS (code=1, address=0x0). How do you fix it. Thanks //Removing a node from the tree void BinTree ::remove (RecType rec ) { rremove (root, rec); } void BinTree ::rremove (NodePtr & nodep, RecType rec) { //the error is coming from here if (rec.id <

Kindly answer the questions below P.25 An author knows that a certain number of typographical errors (0, 1, 2, 3, ...) are on each book page. Define the random variable T equaling the number of errors per page. Suppose that I has a Poisson distribution (Appendix B.3.3), with pdf,f(t) = ' exp(-1)/t!, where ! denotes the factorial operation, and h =
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Mr. Y wants to cross a wide street, which is flooded. Having the latest pair of Jordan on, Mr. Y does not want to get it wet. He notices that there a few strategically laid bricks on the street in a straight line, such that from any brick he can always jump to the next and he can even sometimes jump over a few. His strategy to cross is at any

Implement FUNCTIONS the following scenarios. NOT COMPLETE PROGRAME .Your implementation should be complete in all aspects. N=068 ONLY IMPLEMENT FUNCTION C++ . Suppose you have been provided 3 course lists containing N registered students (name and reg numbers) in each course. The maximum number of students that can be registered in a course (value

1. (a) Use Kleens Theorem part 1 to create an NFA that accepts the language defined by the regular expression (ab)(a + b). (b) Show that the word a is accepted by your NFA in Part (a). (c) Consider the NFA M = (Q, , q0, A, ) with no -transitions where Q ={q0,q1,q2}, = {a,b}, A = {q2} and a b q0 {q1} {q0} q1 {q2} {q1} q2 {q2} Use the subset

A minority gate produces a TRUE output if and only if fewer than half of its inputs are TRUE.Otherwise it produces FALSE output. Sketch a transistor-level circuit for three input CMOS minority gate. Use minimum number of transistors.

ANSWER IS Y ( 1 + adT )

(Java) If-Else (Saffir-Simpson Hurricane Wind Scale Calculator) The Saffir-Simpson Hurricane Wind Scale is a 1 to 5 rating based on a hurricane's sustained wind speed. This scale estimates potential property damage. Hurricanes reaching Category 3 and higher are considered major hurricanes because of their potential for significant loss of life and

GitHub script automaticaly provides the context variable that references the context of the workflow run

Please write this in Java An abstract method named deposit that deposits a specified amount to the account and add a transaction to the transactions array list.

Write a simple protocol that allows a client to privately retrieve the i th record of the database. Now, assume that one of the servers is malicious and can tamper with the database. Would the above protocol still work? Why / Why not? Now, Modify the above protocol so that we can detect any foul play from the malicious database holder. ( Hint:

True or False: seals have been connected to the Internet of Things

QUESTION 2 Decode 1100101 based on the huffman coding tree below: 306 120 186 79 107 37 42 42 65 32 9 24 2
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Let = { 0 , 1 } . True or false:For all languages X * : ( XX ) * = ( X * ) ( X * ) FalseTrue

Compute the weakest precondition, given the postcondition while x 1 do x = x / 3 {x = 1}

Match the code to the definition Prompt 1 Dictionary Answer for prompt 1 Dictionary Prompt 2 List Answer for prompt 2 List Prompt 3 Set Answer for prompt 3 Set Prompt 4 Tuple

Below is a list of 32-bit memory address references, given as word addresses. 3, 180, 43, 2, 191, 88, 190, 14, 181, 44, 186, 253 a. For each of these references, identify the binary address, the tag, and the index given a direct-mapped cache with 16 one-word blocks. Also list if each reference is a hit or a miss, assuming the cache is initially

Represent the decimal value -243.1 in IEEE 754-1985 double precision. Show your final answer in hex.

Dashboards and scorecards are visual interfaces

(15 points) Write a program that converts kilograms to pounds, and vice versa. Your program should ask the user to input one of the following: a number followed by k a number followed by l The k and l represent kilograms and pounds, respectively. Your program reads the number in one unit, converts it to the other unit, and outputs the result. Note

Where am I going wrong here? //Class Time Public Class Time Breakdown { /** * * @param args */ public, static void main (String [] args) { // T0D0 Auto-generated method stub // Console input and output //declare variables int seconds = 2693793: int minutes = 0, hours = 0, days = 0: System.out.prinln("A time of "+ second +" seconds is equivalent
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A . Which of the following is a secure area that contains systems that need to be publicly accessible without being granted access to the internal network? A Screenedsubnet B , SMB C QoS PAN
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F G H 9 1 BA 3100 - MENU FOOD COSTING NAME 2 3 Assignment: 4 The goal of this assignment is to learn how to cost out a menu item. 5 The chef has given you the recipe and you want to keep your food cost at 28%. 6 The information provided below will help you determine what price to sell your Penne Pasta with Chicken 7 Use the spreadsheet below to
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please solve all partsI. For each of the following languages over the alphabet = { 0 , 1 } , either prove that the language is regular ( by constructing a DFA or regular expression ) or prove that the language is not regular ( using fooling sets ) . Recall that + denotes the set of all nonempty strings over . ( a ) L 2 a = { 0 n 1 n w | w i n * *
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6.18 LAB: Calculate Volume The volume of a sphere of radius r is 4 V Trr: The code template contains a statement that calls a function sphere_volume ( ) that accepts the radius as an argument and returns the volume of a sphere with that radius. Complete this program by defining the function sphere_volume()
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Draw an NPDA for the following languages L= {a2nbn, n0}

Question 1 4 / 1 5 Based on the values in Cells A 5 1 :A 5 5 , what formula can you copy and paste into Cells B 5 1 :B 5 5 to return the values shown? \ table [ [ , A , B ] , [ 5 1 , Red,Yes ] , [ 5 2 , Red,Yes ] , [ 5 3 , Red,Yes ] , [ 5 4 , Blue,No ] , [ 5 5 , Red,Yes ] ]
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C201/I210 Computer Programming II Java L-17: Course Class Complete the following lab steps : Create a new Java project using NetBeans, giving it the name L-17. Create a Courseclass modeled after Listing 10.6 (page 385) in your text, Course.java (you may use the actual code obtained from below). Create a CourseClientclass to test the basic Course

The Relational Model Employee ID, FName, LName, Salary, jobTitle, officeNum, empRank, supervisorID) That is one design, other designs for the ISA relationship are possible... Equipment Type (ID, Desc, model, instructions) Equipment (Serialft, TypeID, PurchaseYear, Lastlnspection, roomNum) Room (Num, occupied flag) RoomService (roomNum service Room
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Which statement about healthcare power of attorneys ( HCPOA ) is true? A HCPOA can trump a guardian. Unlike other surrogates, a HCPOA may override a patient's previous wishes. Unlike other surrogates, a HCPOA is solely tasked to provide substituted judgment. A HCPOA can trump everyone except a guardian:
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A rather beautiful fractal picture can be drawn by ploting the picture can be drawn by ploting the point (Xk,Yk) generated by the following difference equations Xk+1=Yk(1+sin0.7Xk) -1.2rad(abs(xk)) Yk+1 =0.21 - Xk Starting with X0=Y0=0. write a matlab program to draw the picture(plot individual points; do not join them) Complete problem 9.7 on

What are the internet transfer protocols services

The following is in C programming: 3. (15 points) Convert the following do-while loop into a) for loop b) while loop without changing the overall logic. do printf("Enterarandomvalue:");scanf("%d",&num);result=(num32)2;printf("Result=%d",result); \} while (result !=0)
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Write the lines of code that reads a pushbutton switch state and makes the pin 1 a speaker tone of 440 hz for 2 seconds. Speaker is connected to pin 4. Given that buttonState digitalRead(13). Also display on the screen the value of the pin using the Serial Monitor at 9600bps
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Hello, please help make a C# windows forms app that works as a coffee order system. In one form you select your size (small - $3.00, medium - $4.00, and large - 5.00), you also give the user the option for ice/hot. and dairy type (1%, 2% or almond milk). These must all be done with radio buttons. And then in the same form, the user chooses the

Python Homework 5: Financial Credit Rating Instruction: Please upload your jupyter notebook on GauchoSpace with filename "PythonHW5 YOURPERMNUMBER.ipynb" In Mathematical Finance, Markov chains are typically used to model the default risk of a company or country (more specifically, the default of a company's or country's liability like a corporate
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main: Print welcome message and instructions to start entering 1 0 numbers For i = 1 to 1 0 use scanf to read user input; For i = 1 to 1 0 mularray [ i ] = array 1 [ i ] * array 2 [ i ] ; Printarray ( array 1 ) Printarray ( array 2 ) Printarray ( mularray ) End main Function Printarray ( inarray ) For i = 1 to 1 0 print inarray [ i ]

undefined 2) Constraint Satisfaction Problems [15 marks] Given the following constraints and domain values, use the AC-3 algorithm to make this problem arc consistent A>B B>C+1 A = {1, 2, 3, 4,5} B = {1,2,3,4,5) C = {1, 2, 3, 4, 5)
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C++ Programming Assignment 1 Loan Payment Calculator The purpose of this assignment is to get you back into programming and give you some practice with some C++ topics that you should be familiar with from CSIS 111 as well as a new concept, random number generation. Overview : You are working as a computer programmer for a mortgage company that

Detail explanation required,Thanks in advance. Your help will be appriciated 4. IOS is a well-known example of operating systems. What are those features which make it very popular among other operating systems? Identify those features and also relate them with some other popular operating systems
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Explore the (Google Translate) application from the perspective of the information processing cycle, i..e, input > processing > output > storage?

Explain about different types of physical security controls.

Exam 3, Numerical and Computer Tools I 1. Write a function that will calculate the value x +1/x for any x passed to the function. Because division by O is undefined, return -99 if a zero is passed to the function. Example arguments: 15306]; function returns: -99 4; function returns: 16.25 2:5 function returns: 4.5000 9.3333 16.2500 25.2000 2.
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Solve the following edit distance problem for the two string in the table by filling in the table and giving a single optimal alignment. Solve the following edit distance problem for the two string in the table by filling in the table and giving a single optimal alignment. D(GJ) 0123 4567 i242
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Consider the Jackson Network given in the figure below. There are three stations, each of which is an M/M/c system. The service rate of server in each station is given such that denotes the service rate of a server in station . Also, the numbers next to the arcs represent the probability of a customer choosing the arc. a) (0.5) Calculate the
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