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Databases Questions and Answers December 27, 2020

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b. (5 marks) Write the main method to do the following: .Ask the user to enter how many rectangles he/she wants to draw For each rectangle do the following: Prompt the user to enter the length and the width of the rectangle. Read the length and the width - - Prompt the user to enter the character you want to fill the rectangle with. - Read the
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Homework # 1 Compare the 2 groups of TSM and TDM strategies in terms of their implementation feasibility, benefits, costs, and user acceptability?
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PLEASE READ CAREFULLY!! THIS IS C++!! PLEASE INCLUDE OUTPUT!! I RATE AND COMMENT!! Fantasy Combat Game Goals Develop classes from program requirements Implement characters using polymorphism Implement a menu to allow the user to test the characters In this project, we will develop a fantasy combat game. This is going to be part 1 of the game

Please pick the appropriate equivalence rule. A B B A DN 1 DM 1 Trans / Contra 1 Imp / MI 1 Exp 1 Question 5 0 . 2 5 pts Please pick the appropriate equivalence rule. ( A * B ) A v v B DN 1 DM 1 Trans / Contra 1 Imp / MI 1
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A failure of input validation can lead to a compromise of data integrity, resource exhaustion, loss or availability and a failure in compliance. Which type of attack is enabled by a lack of input validation? Cryptographic attack RAT Bluejacking XSS

Consider the Students table below populated with some information. Write appropriate SQL command to: i. Display the SQL version installed on your computer ii. Create a database named MyFirstSchool iii. Create the table above and populate it with the data shown. iv. Show all the information in the table v. Show only the StudentID and the
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What are the two components of positioning time?

I want you to make a use case diagram on visual paradigm here is the information to how to do: Project Title: Summer School Hub. Project Brief Summary Write some details of your problem definition ( that is your Requirement Specification Document v 0 . 0 ) here. Writing a single sentence that is ambiguous is not acceptable but do not write

in java will like Given an array of 10 names, complete the main method that outputs the name specified by the array index entered by the user. Use a try block to output the name and a catch block to catch any ArraylndexOutOfBoundsException. Output the message from the exception object if an ArrayindexOutOfBoundsException is caught. Output the
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Explain the concept of data integrity in network communications.

3e 18-137506 18content id-7291186 18step-null x Question Completion Status: QUESTION 4 Consider the following Python code, where parameter n umbers is assumed to store a list of numeric values. def teaser (numbers): for index in range (1en (numbers) 1): if numbers [index] > numbers[index 1): return False return True Which of the following options
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Give an O ( n )-time algorithm for computing the depth of each node of a tree T , where n is the number of nodes of T . Assume the existence of methods setDepth ( v , d ) and getDepth( v ) that run in O (1) time.

Explain in detail the difference between depth - first search and breadth - first search. Using the diagram below of a BFS spanning tree: Deduce ( i ) Preorder traversal ( ii ) Inorder traversal ( iii ) Post order traversal ( 1 5 MARKS )
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i . Using your text book, or an Internet search ( do not ask friends or TA ) or simply by experimenting with Quincy, explain in a few sentences the differences between the = and = = operators and why if ) = ( 0 is always false.
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For the following situation, create a network diagram and mark it with the different kinds of network components that are being used. - Incorporate the proper architecture in your network to guarantee that the networks of each department are isolated from one another. - Identify on your diagram which internal or external network addresses should
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How is a URL converted into an IP address.

Using C language, Write a function Add which outputs the sum of two inputs provided by a user. It should look like this: Enter first input: 13 Enter second input: 15 The output is: 28

Expected Behavior Write a Python function seq_sim(seq1, seq2, k) that takes as arguments two strings seq1 and seq2 and an integer k , and returns a floating point value between 0 and 1 (inclusive) giving the similarity between seq1 and seq2 . The similarity value should be computed as the Jaccard index applied to the sets of k -grams of seq1 and

Explain why turning off DHCP on a Wireless LAN is considered by some as a way to enhance security and explain why others consider it to be ineffective.

Please look at the code. Look at the LinkedList member function insert() in LinkedList.cpp. This is an incorrect implementation that ignores the position desired and always inserts at the beginning of the list. As a result, note how the test result for the entry at position 4 fails! Your job is to fix this function so it inserts in the correct

SQL help (all parts are related to each other so please answer them all, thank you!) https://www.w3schools.com/sql/trysql.asp?filename=trysql_select_all A. Find the EmployeeID who has the highest order amount(e.g. the total dollar amount for an order)in July 1996 B. Find the top three countries where consumers purchased the most(e.g. the total

For this assignment, you will have to implement a map data structure using a hash table. This is good practice, since the C++ map is implemented using a balanced binary search tree (similar to what we learned in class, but more sophisticated), and in pure C++, until recently, a map using hash tables was not available. You may assume that you

I need a 600 words on a summary on TCP

Write a function to find the roots of the cubic equation in matlab without using any of the root finding functions in Matlab. Your function statement should be function [ x ] = cubicRoots( a, b, c, d ). We are supposed to use this link to help https://en.wikipedia.org/wiki/Cubic_function#Roots_of_a_cubic_function but I don't really know what to

(5 pts) Print a game menu for Yahtzee with the following options: 1. Print game rules 2. Start a game of Yahtzee 3. Exit (2) (5 pts) Get a menu option from the user; clear the screen (3) (10 pts) If option 1 is entered, then print the game rules stated above and repeat step (1) otherwise if option 2 is entered, then continue on to step (4); player
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Exercise 2.3.2: RL without linked lists. The RL can be implemented without dynamically managed linked lists by creating a new field, next, in each PCB, which points to the next PCB on the same list. Each entry of the RL then points to the first PCB on the list. Assume that RL contains 3 processes at level 5 and 1 process at level 0. Draw a diagram

Which pane in the powerpoint window contains object placeholders

C++ using command line to take text files names as argument and display contents. The contents of 1.txt are: apple banna orange The contents of 2.txt are: 987 654 321 Running the program in command line should give the following output: $ ./program 1.txt 2.txt apple banna orange 987 654 321 example with non-existing file 3.txt : $ ./program 1.txt

Calculate the checksun from a sender to reciever in a string

Help implement BST. The code must follow the instruction below as well as produce the correct output when testing with the input file I'll provide at the end. Please fill-in the TODO parts in the bst.cc code: INSTRUCTIONS: 3. First, implement the BST (declared in bst.h) and use the unittest_bst() function to test it. DO NOT CHANGE THIS CODE FOR

(15 point) Question 3 Consider the B+ tree index of order d 2 shown below. Assume the left order is for . Show the B+ tree after inserting a data entry with key 22 and then a data entry with key 36 into the tree. Show only the final tree. 18 2935 7 8 10 12 19 21 24 25 27 29 30* 32 38 39 4344
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I need help in Visual basic 2013 only!!!!!! How can I make multiple buttons function the same using one time code instead of repeting the code 24 times with slight changes Form1 Enter a number: GroupBox1 Button 1 Button2 Button3 Button4 Button5 Button6 Button 12 Button 11 Button 10 Button9 Button8 Button7 Button 18 Button 17 Button 16 Button 15
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Consider a Weighted Fair Queuing scheme where ri is the average rate of flow i, wi is the WFQ weighting of flow i, bi is the maximum burst size of flow i and R is the overall bandwidth. Show that as long as r
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In designing a management information system ( MIS ) , the first task is to analyze data collect data provided information in a useful format clearly define the system's objectives
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Part A: Why do we need to explore and preprocess data before fitting a machine learning algorithm? (In your own words. Give 2-3 sentences explaining) Part B: What is the difference between post-pruning and pre-pruning? (In your own words. Give 2-3 sentences explaining)
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Here we have a gui that is integrated with a Shipping management database ( both java gui and mysql code given in files), when you run the gui in java you can choose from four entites from the database to do the following queries (INSERT, DELETE, DISPLAY). The proplem is we can't seem to get the DISPLAY method working, we're not sure whats the
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requires information to be split into packets that contain both a segment of data to be transferred and the address where the data are to be sent. TCP / IP IMAP FTP POP
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Write an assembly program that can get a text input and find the characters that the indices in the given text and alphabet match. ( You must use the English alphabet ) . The program must be able to run infinitely until the user enters TERMINATE as input. For example, for the given text AYTDEKZHEUKHOM , the result is A , D , E , H , K > 5 :

Task: Enter the missing values indicated such that the result is correct and consistent. int a = 10; int b = double z = a % b*b; Resulting value of z: 21

What are the six Problem Definition - Functional Requirements in other?
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Focusing at the role of RTCP - Consider an RTP session consisting of five users, all of whom are sending as well as receiving RTP packets into the same multicast address. Each user sends video at 80 kbps. RTCP will limit its traffic to what rate? A particular receiver will be allocated how much RTCP bandwidth ? A particular sender will be

Help me implement space invader in the C++ (not c)console using ncurses

Q1 Write a C++ program that will show the difference between each of a list of golf scores and their average. The program should use and array of maximum 10 numbers. The program should use three functions (Fill_Array) to fill the array, (Compute_Average) to compute the average of the golf scores entered by the user, and (Show_difference) to
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Assembly language directives can be written in any combination of uppercase and lowercase letters.TrueFalse

For the following terms, in Haskell, which are all of type Int, indicate the types of the functions f in the box given that x,y,z :: Int (i) (fx) (y, z) f:: (ii) f x y z f:: (iii) f (x, y, z) f:: (iv) f (x, (y, z)) f
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help please In this assignment you will develop four HTML pages, according to the following specifications. 1. Choose a content/item trading domain and categories of interest to you. You must develop your own unique site with branding, categories, and items representative of that domain. Creativity is highly encouraged. 2. You are not allowed to
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1 1 . Which statements regarding fiber - optic cabling are INCORRECT ( More than one statement applies ) ?

Exercise 1 0 . 2 Rising and falling edge detection We can use a bitwise XOR to detect the change in a signal XOR is true if and only if the inputs are different Note that the XOR tells us only if a signal has changed If we want to discriminate between a rising and a falling edge, we additionally need to test the current ( or previous ) state of
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In which situation should the origin of information be authenticated to protect data integrity?

A company would like to implement its directory of employees as a doubly linked list called EmployeeList. Tasks: 1 . Employee Class: Write a class called Employee to hold the following information about an employee: eid ( as a String ) - Employee ID . This ID is unique. No two employees have the same eid. name ( as a String ) - The name of the

What is the optimal way to compute this matrix multiplication A1A2A3A4A5A6? Matrix dimensions are provided by this array, {97, 37, 2, 66, 14, 30, 99}. Use parenthesis to group matrixes in your result. Also provide the final contents of m and lastChange array

Consider the TM below. Write the regular expression for the language of the given TM. b.b.R b,b.R b.b.R ,a,R a,a,R 90 q1 92 43 dimonod, dimond, R
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(1) Calculate the best-case and worst-case time complexity of the maximal element algorithm listed below (count the number of
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Which of the following is not true about SELinux contexts Often involve the pirate Default behavior is to allow actions with no specified context Are stored in a file based database Require the chcon command to apply the changes.

Which of the following is not a guideline for the presentation of tabular data? I

Consider the rate - 1 / 3 turbo encoder depicted in Figure 2 . It is designed by parallel concatenation of two recursive and systematic convolutional ( RSC ) codes separated by a random interleaving function.

Develop a public class MyCircles to the following specifications: The class has a private instance ArrayList , which represent a collection of Circle2D. The class has a zero-argument constructor that creates and initializes the ArrayList instance object. The class has a public method void addCircle2D (Object, String) which is used to add an

Posted this question before but i forgot to post the instructions that were above question. Apologies.
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( c ) Implement the following four Boolean expressions with three halt adders Implement the following four Boolean expressions with three hair adders D = A o + B o + C , E ? b = a r ( A ) B C + A b a r ( B ) C , F = A B b a r ( C ) + ( ? b a r ( A ) + b a r ( B ) ) C , G = ABC ( C O 1 ) Answer me all the 4 subparts! thank you!!
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Introduction to Programming for Computer Scientists home > 3.10: LAB: Output with groupings: Vending machine (branches) E zyBooks cata 3.10 LAB: Output with groupings: Vending machine (branches) A vending machine serves chips, fruit, nuts juice, water and coffee. The machine owner wants a daily report indicating what items sold that day. Given
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Microsoft is a popular example of a relational database. Select one: Access Excel PowerPoint Word
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Tenaga Nasional Berhad charges electricity usage according to the following table: Tariff Category Domestic (D) Unit Used First 200 kWh Next 100 kWh Over 300 kWh First 200 kWh Next 100 kWh Over 300 kWh Rate per kilowatt per hour (kWh) 10 cents 12 cents 9 cents 20 cents 22 cents 18 cents Commercial (C) Write a complete C++ program that prompts user
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Create a 100 by 100 matrix on matlab where the diagnals are zeros and the numbers to the left and the right of the diagnals are -1. The rest of the numbers are zero. ex: 0 1 0 0 0 0 0 0 0 0 | -1 0 1 0 0 0 0 0 0 0 | 0 1 0 - 1 0 0 0 0 0 0 |0 0 - 10 10 0 0 0 0 |0 0 0 1 0 1 0 0 0 0 |0 0 0 0 - 10- 10 0 0 |0 0 0 0 0 - 10- 10 0 | 0 0 0 0 0 0 1 0 1 0 | 0
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2 0 2 3 H 1 B 3 hao.shi@vu . edu.au NIT 3 1 2 2 Lab Assessment 3 Page 2 Don t design your network until you finish reading the entire requirements carefully. Scenario You are a network specialist for PracticeLabs.com. Your company have four ( 4 ) servers running Window Server 2 0 1 6 ( PLABDC 0 1 , PLABDM 0 1 , PLABDMCORE 0 1 , and PLABSA 0 1 ) .

we need the code of ethics not only to implement but to in burnest the code of ethics

The LOOP instruction does the following: It decrements CX; then, if CX is not equal to zero, LOOP jumps to the destination label.O TrueFalse

Tafila Technical University Faculty of Engineering Department of Communication and Computer Engineering Data Structures & Algorithms Fall Semester 2021 Final Exam Time: 100 minutes Name (in Arabic): Instructor: 4 (1) The stack content after the following series of stack operations: S.push(1);S.push(2);S.pop();S.push(3);S.top();S.push(4); A. [1,4]
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4- Build the abstract class "Person" that implements the "Pay interface 5- Build the concrete class "Employee" that extends the "Person" class and implements the "Comparable" interface Note the following while implementing this class: . equals method: two "Employee" instances are equal when they have same position and same salary override the
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Let OneLess ( L ) = { w | xw in L , x in Sigma } . Prove that the set of decidable languages is closed under OneLess.

What is the function of the address bus?A . Transfers data between the CPU and memoryB. Holds the addresses of instructions and data during executionOC. Synchronizes actions of all devices attached to the system busD. Coordinates the transfer of data between different CPU components

2 ) What are components of the Logical address ( How many bits do belong to the page number; how many bits do belong to the offset ) ?

This question need to be solved in MATLAB Create the following matrix by typing one command. Do not type individ- ual elements explicitly. D= 1 1 1 1 1 1 1 1 4 1 1 2
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after Describe a ( simple ) modification to the Dijkstra algorithm so as to make it return the path ( s ) containing the smallest number of links.After realizing his mistake, the same friend now proposes you to take the negative of each link cost ( e . g . 2 instead of 2 ) to find the longest paths instead of the shortest ones. Explain with an

Q1: Reduce the block diagram shoign below to obtain the overall block transfer function C($)/R(S)? (4.5 marks) G: Please solve step by step R(S) C(8) G Gs G. H, H; H
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Discuss the differences between object - oriented and function - oriented design

What products from Office 365 you think they have? Which ones they probably do not have? What were the benefits? What were the challenges. What you would do different? What technical considerations you would have? What about existing applications? Would they coexist? Would you remove them? Would you upgrade them? What about training? What team you

Python 3 I will give thumbs up for all the correct answers. Paste code that I can copy easily and also show your output Question: Given a dictionary, get all values from the dictionary and add it in a list but don't add duplicates. Then store this list to be a Json file. (10.01)
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pic16f877a with HC-SR04 ultrasonic senser write code in assembly pic use timer 1

39)Write Java code to Create an Object called timeNow from the class Date . 40)Write Java code to Declare 3 integer variables called: tempNumber, number1, number2 . 41)Write Java code to create an Object called input from the class Scanner . 42)Write Java code to Prompt the user to Enter the First Number . 43)Write Java code to Read and Store the

Which of the following memory types is non - volatile and can be electrically erased and reprogrammed? a ) RAM b ) ROM c ) Flash Memory d ) Cache Memory

Objective ( s ) . Become familiar with program control instructions. Lab Work Write an assembly program that can get a text input and find the characters that the indices in the given text and alphabet match. ( You must use the English alphabet ) . The program must be able to run infinitely until the user enters "TERMINATE" as input. For example,
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Why might businesses be interested in using quantum computers? to run mobile apps more quickly to create graphics for immersive environments to solve intractable problems to process extremely large data sets I don't know this yet.
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The lubrication of bone joints is a subject of ongoing medical research. Two bones connected at a joint do not touch. The bones are covered in articular cartilage, and are surrounded by lubricating synovial fluid. Rheumatoid arthritis results in overproduction of synovial fluid, swollen joints, and difficult and painful movement. Other joint

6. How many permutations of 1, 2,..., n yield a skew tree? (Since any one skew tree is generated by just one permutation, this question is asking for the number of skew trees of n nodes.) Explain your formula. [4 points]
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DEV 3 : A a da verilen ekillerin a r k merkezlerinin yerini ( x g , y g ) hesaplayan bir MATLAB program yaz n z . Program n girdisi kesit tipini ve kesit geometrisi i in gerekli parametreleri ( { : b , h , t 1 , b 1 , b 2 dots. ) olacakt r . Program kendi renci numaran za g re belirlenmi parametrelere g re al t rarak sonucu bulunuz. renci numaras
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When you return a dynamic array to the freestore, you must include the number of elements in the array. True False

Explain the three types of CSS selectors and provide a simple example of each

compiler problems?thx I. (25%) Consider the following syntax-directed translation scheme for signed binary numbers: Number Sign List Number.val -Sign.val *List.val Sign-+ Sign.val-1 List ? Bit { List.val = Bit.val } Bit- 0 Bit.val-0 ISign.val-1 Listi Bit List.val 2 Listi.val+Bit.val 1 (Bit.val 1 ) For the input string:"+101" (a) (5%) Is the
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Are S 3 bucket name globally unique?

public class TemperaturesRiskGrant { public static void main(String[] args) { int[] temps = {91,95,96,97,90,87,85,79,89,87,87,82,88,89,83,81,79,82,83,77,74,78,81,82,81,80,76,82,81,81}; //creates the array object int highValue = high(temps); int lowValue = low(temps); int avgValue = avg(temps); System.out.println("The maximum value in the array is:

Which button in the Display settings window for Windows 1 0 can be used to display a second monitor or screen if it is not visible? Group of answer choices Identify Start Detect Load

Exerciselect the corect answer 10.dermiselenler she La define the univerehe 12. 1 LU-UU-1.2.3...... 10) 2. T- 3. 7-11.10 -11.2.3.4.5. -12.4.6.and -1,2,3,...,10). determine L A -41.4.1. 10. BC-A) 168 2. 12.6 3. 16. 10 L A -,6,9,101, determine AUG 2. 10.1, 10) 3. A La define A-xx - 4x + 4 =1) and B-11.3.5. determine the correct answer 1. A is not a
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Javascript code to Display the ceaser cipher version of the lowercase version of user input, ignoring all non a-z characters, with key=5

Show the execution of Dijkstras shortest path algorithm on the following graph starting from vertex A. Complete the following table and show the length of the best paths found so far for each vertex after each relaxation step. The first line in the following table is filled out for you. Next Vertex Tentative Distance from Start Vertex Edge
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Help me 1. This Question relates to the data path and its support of MIPS instructions. a. [10 points] Identify the portion of the data path used by the Instruction Fetch stage. b. [10 points] Identify the portion of the data path used by the R-format instructions. c. [10 points] Identify the portion of the data path used by the load/store
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Mending wall Robert Frost You and your neighbor have a wall that separates your farms and the wall keeps on breaking down each year. You have decided to invite your neighbor for lunch where you will discuss the instructions that will help you to build a better wall that it does not ( 2 0 ) keep en falling.
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compiler problems?thx 6, (5%) Please draw the activation tree for the following code fragment. int fib(int n) return 1 ) else f return fib(n 1) + fib(n - 2) int main(void) int result; result fib(4); printf ("%d ", result)
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1. 10.0) Write a python program to open and read .txt files. It should accept file's name by inputting from user. If the user input quit , the program should stop; if the user input a file name, the program should handle FileNotFounderror, and should print out all the contents in the file line by line
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Exercise 3 There are uncountably many colours in the ideal visible light spectrum. A computer science student had the idea to use the RGB gamut as a base to design a grammar to describe any colour as a string of: a number of R symbols, followed by a number of G symbols, followed by a number of B symbols. Will they succeed in describing all the
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Examine the linear time string-matching algorithm, where backtracking on the string 'S' never occurs, with the following string S = abcaxabcab, and pattern P= abcab.

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