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Databases Questions and Answers January 18, 2019

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orkshe Greedy Algorithm 1. 0-1 arid Cortinueus Knapsack Problem: Consider the 0-1 knapsack problem. Consider the following three strategies. State whether any of . these strategies provide correct solution to the problem in all cases. If the answer is no, then provide a counterexample with numbers clearly stating the correct solution and the
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This person developed a way to record still images in a series. They also helped Leland Stanford win a bet. Group of answer choices Eadweard Muybridge Lois Weber Thomas Edison Jules Marey

Use the state-elimination technique to find a regular expression for the DFA given by the following transition table Use the state-elimination technique to find a regular expression for the DFA given by the following transition table
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The contains user interfaces that allow programs to be run utility program operating system antivirus program software package
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Write a function mangle that takes a string as a parameter and returns the string after performing the following operations: i . Converting the string to all upper case letters ii . Removing the third character iii. Removing the third to last character Test that your function works. Hint: Think about how you can remove from a string by creating a

C . 4 6 . Which type of IP address is " 1 9 0 . 2 3 . 9 5 . 1 2 " ? A . A B . D C . B D . C 7 . Which one is not Key technologies for the Internet of Things? A . RFID B . Zigbee C . Sensor D . Modem 8 . Types of big data include structured data, unstructured data and A . relation data B . irrelevant data C . irregular data D . semi - structured
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A ) A processor takes 1 6 seconds to execute a program, and its clock rate is 3 . 2 GHz . If its CPI is 4 , how many instructions are executed by the program? ( 4 pts ) B ) Processors A & B execute the same program P , and on both systems, it takes the same number of instructions. Processor A executes program P 1 . 5 x slower than Processor B . If

Please write the code as a script, do not upload a screenshot matlab 7. Create a variable g that is a row vector in which the first element is 3 and the last element is 27, with an increment of 4 between the elements (3, 7, 11, .... 27)
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All modern operating systems include a hardware firewall, usually called a host - based firewall. Group of answer choices True False

What is the output of the print statement for the following code: multiples = [ ] for threeD in range ( 1 , 3
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A=lines, with words that starts with B, R or S and with a or n (like Serbia, Berlin) B=lines that ends with 6 or 8, sort descending C=ls D=file result.txt E=file error.txt Familarize yourself with standart streams (stdin, stdout, stderr), pipelines, redirections, tee and xargs commands. Prepare text files: test.txt, pass.txt, city.txt (see
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Given an array A[1..7]=17,23,12,32,24,15,9, run Build-Max-Heap (A,7) to convert A into a max-heap. BUILD-MAX-HEAP (A,n) 1 for i=n/2 downto 1 2 MAX-HEAPIFY (A,i,n) MAX-HEAPIFY (A,i,n) l= LEFT (i) r=RIGHT(i) if ln and A[l]>A[i] largest =l else largest =i if rn and A[r]>A[ largest ] largest =r if largest =i exchange A[i] with A[ largest ] MaX-HEAPIFY
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Which of the following are part of the data mining process? Question 1 options: Business understanding Data understanding Modeling Evaluation Sales Customer service

An array A [ 1 dotsn ] is said to have a majority element if more same. Given an array, the task is to design an efficient algorithm to tell whether the array has a majority element, and, if so , to find that element. The elements of the array are not necessarily from some ordered domain like the integers, and so there can be no comparisons of the
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Which is the default port you use to communicate from the MySQL shell client through the X Protocol to access MySQL Document Store within the MySQL server? 3 3 0 6 0 1 5 3 1 3 3 0 5 3 3 0 6
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1 6 OF 3 5 QUESTIONS REMAINING ucscivi is Digital subscriber lines A operate over existing telephone lines to carry voice, data, and video. operate over coaxial cable lines to deliver Internet access. are very - high - speed data lines typically leased from long - distance telephone companies. have up to twenty - four 6 4 - Kbps channels. are
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In a disaster recovery plan, the business impact analysis will help you identify the importance of a system. What is this known as ? Group of answer choices Data Restoration Prioritization Restoring Access

python codding Spathiphyllum , more commonly known as a peace lily or white sail plant, is one of the most popular indoor houseplants that filters out harmful toxins from the air. Some of the toxins that it neutralizes include benzene, formaldehyde, and ammonia. Imagine that your computer program loves these plants. Whenever it receives an input

Which one of the following is a strength of an interview - based method of process discovery? Group of answer choices A . wrong level of abstraction B . structured information C . context - rich insights D . potentially intrusive

unix/linux assignment Please use Oracle VM Virtualbox or similar tool to do these steps: Instructions for submitting the script files: Use the zip command (zip r assignment2 sourcefiles) and upload your file assignment2.zip to the ecentennial Assignment 2 drop box. Create a directory named sourcefiles in your home directory. Question 1. Create a
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We study the vertical position of an engine cab after an obstacle has been driven over. One model for the motion is that the position at time t is given by y ( t ) = ec t cos \ omega t , where c and \ omega are real constants. Suppose we have the following measurement data. t 1 = 0 . 2 , y 1 = 0 . 5 , t 2 = 0 . 4 , and y 2 = 0 . 0 5 . i . Set up

Question 9 1 0 pts enable a programmer to extend the assembly language by defining a new operation.
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MatLAB questions. For the first one the table, resultant force (rectangular form) and resultant force ( polar form) is needed. For the second one the force balance equation, matrix equation, MatLAB commands and solution T1 and T2 is needed. Will give thumbs up for both answered correctly. Problem 1: Resultant Force Consider the following three
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What is Carr's main argument about information technology? Information Technology changes too quickly to provide sustained advantages. Information Technology should be a free resource to the public. Information Technology innovations are always too expensive at first. Information Technology is a commodity and should be managed to reduce costs.
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How can you find out what your MAC address is ? ( Choose all that apply. ) Group of answer choices Right - click on the Local Area Connection and choose status. Open a command prompt and type the command arp - d . Open a command prompt and type the command getmac. Open a command prompt and type the command ipconfig / all .

Consider a negative number detector which accepts a 5-bit signed-magnitude binary number A as input and outputs 1 if and only if A is a negative number. (hint: A can be written as A4A3A2AAo) (3096) Implement this circuit using: a. One AND gate and one OR gate b. One 4-to-2 priority encoder with valid bit
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PYTHON TEST TOP_SCORERS = [ {'fname': 'Kylian', 'lname': 'Mbappe', 'age': 24, 'country': 'France', 'goals': 8 }, {'fname': 'Lionel', 'lname': 'Messi', 'age': 35, 'country': 'Argentina', 'goals': 7 }, {'fname': 'Olivier', 'lname': 'Giroud', 'age': 33, 'country': 'France', 'goals': 4 }, {'fname': 'Julian', 'lname': 'Alvarez', 'age': 25, 'country':

Which of the following is not a database management system? a ) MySQL b ) MongoDB c ) Oracle d ) Adobe Photoshop

Description of the program Create a main ( ) that calls three functions as follows: 1 . Returns the label for the letter. The label should include the title, first name, last name, and street address for the letter. It should be formatted to appear as it would on the front of a sent letter. 2 . Returns the message to be send. Your main ( ) should

DATA BASE MANGEMENT. READ THE FIRST DESCRIPTION TO UNDERSTAND THE QUESTION AND THEN WATCH THE IMAGE THAT IS POSTED TO ANSWER THE QUESTION. THIS IS THE QUESTION : Data Modeling Based on well - Formed rules, list all errors exists in the following data model for Company Database....
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Don't copy other, thank you! Q3. (10 pts) Introduction to VisUAL Complete the following assembly program that 1 ) read characters (i.e., ' Z ', ' Y ', ' X ', 'W', 'V', 'U', ' T ', ' S ', 'R', 'Q', 'P', 'O') given at address "src", 2) change them to the corresponding lower-cased characters, and 3) store them at address "dst". Submission: You need
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Which of the following responsibilities Privacy and security of data Safety and reliability Ease of use Minimizing risks do computer professionals have for customers and the general public:?
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Q.4.1 Below is a table showing the total budgeted costs, in thousands, for each task in a project. Answer the question that follows. Calculate the cumulative budgeted costs for the following months: a. Month 2 b. Month 5 c. Month 9 Q.4.2 In your own words, explain how Resource levelling is achieved. Q.4.3 Explain using examples, the concepts of
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PYTHON CODE Insert the Program Comments. Insert line comments for each line of code explaining what that line of code is doing. Instructions: Write the code, comments and thoroughly test the FishStore Program: Define the function: fishStore() The function should take 2 string parameters: myfish and myprice fishStore() returns a string in sentence

Write a script called is_regfile.sh that (1) ensures that at least one argument has been given on the command line; then (2) tests whether the argument is the name of a regular file (not a directory or other type of file). bash-3.2$ ./is_regfile.sh You must supply at least one argument bash-3.2$ ./is_regfile.sh addr addr is a regular file

c++ Program: My project is hash table using single linked list to storage a pile of strings , then output those strings in sorted order. those pile of string need read from a text file, and output should be in sorted order(the string in text file giving on the end) my code has not compile error , but the output is empty. the pile of strings did

Question 1 1 Not yet answered Marked _ n + of 1 1 Time left 0 : 4 1 : 4 9 Flag question There are two levels of information in every organization and ar a . Telephone information and voice information. b . Formal and informal information. c . An internet client and Internet Server. d . Internal Information and External Information.
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1 What can distort our understanding of artificial intelligence? Solar flares An unclear definition of artificial Fictional represetrotations of AI A narrow view of what constitutes intelligence C and D
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2 1 2 - 7 7 Release ofInformation to the media ( Breakdown ) 3 List Do not Release Info Info that can be release after arrest is made Info that can be released after conferring w DCPI and PDU

At a college campus, a student only needs to go to a specific portal and login once. From there, they can access all of the other login secured websites at the campus. What is this an example of ? Group of answer choices Single - Sign On Multifactor Single Factor

Consider the graph, Use 2 as the initial vertex, apply the breadth - first search ( BFS ) in detail. Indicates which is the generating tree obtained.
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What software manages a computer's hardware, supports the computer's basic functions, and runs its other programs? The RAM The OS The ROM The BIOS
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A conceptual data module is more abstract than an enterprise data model ( according to the text ) . Question 1 3 options: A ) True B ) False

Please answer in C++. 4 Triangular numbers A positive integer n is triangular if it can be obtained by the product of three consecutive positive integers. Given n > 0, determine whether n is triangular. For example, 120 is triangular, since 4.5.6 = 120
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For Discussion 4.2 - Miniaturization And Mobility (a) Look at the email class list of our CSC105 class in Canvas. (b) Count from the beginning of the list what number you are in alphabetical order from that list. (c) For example, if you are the 5th person in the alphabetized email class list, then you are number 5, etc. (d) Look at the list below

Coding language in C Write a function Raise RealToPower that takes a floating-point value x and an integer k and returns xk. Implement your function so that it can correctly calculate the result when k is negative, using the relationship xk= Use your function to display a table of values of 10k for all values of k from -4 to 4, as shown in this
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sum = 0 ; for ( k = 1 ; k < = n; k * = 2 ) for ( j = n; j < = 1 ; j / = 2 ) sum + + ; The time complexity of the algorithm is Select one: a . O ( log n ^ 2 ) b . O ( logn ) C . O ( ( log n ) ^ 2 ) d . O ( n ^ 2 )

Exercise 3 [20 points] A palindrome is a sequence of characters which reads the same backward or forward. Examples: "rotor", "Rotor" (with capital R), "step on no pets", ete Write the code for the following functions: // returns true if s is a palindrome and false otherwise bool is_palidrome(string s); // returns the number of palindromes in
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Simple Addition (2) Use the solution program from the preceding exercise as a starting point. Let this new program repeat the same steps three times, using a loop. Clear the screen after each loop iteration. your own work, please INCLUDE Irvine32.inc .DATA prompt1 BYTE "Enter the first integer: ", 0 ;declare prompts prompt2 BYTE "Enter the second

Write a python function that takes a number as a parameter and determines if its prime or not. A prime number is a natural number greater than 1 and that has no positive divisors other than 1 and itself. Allow the user to enter a number. Check to see that the number has been entered and is greater than zero Pass the number to a value returning

4. The owner in Question #3 above asks you how the three tables were able to be connected by a line. He says that his daughter did that part and she didnt explain how she did it. You explain how this connection between the tables was created. 5 . Which of the data manipulation tools of a DBMS was used in Question #3 above? 6. Which data

I'm not able to get the getDayOfWeek() method to run in my code. The while loop which checks for equality is what I think is messing it up. But any suggestion would be great. My entire code is below, i have a test code that I am using to run all of these. Thank you! import java.util.TimeZone; /*Gordon Thompson Lab 1_COSC241 */ public class Date {

I need help with a linked list C++ program: Develop a tool that assists Airport Operations managers in allocating Boarding gates to scheduled airline flights. You need to assign an airplane to one of 3 gates. Your input file contains an arbitrary long list of flights arriving during a 24 hour period. Your task is to read the list of flights and

Which HTML element is used to create links?
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Hi there, I have a question that I need help with for my Java class. It reads as follows- Write a program that reads a temperature as a whole number from the keyboard and outputs a "probable" season (Winter, Spring, Summer, or Fall) depending on the temperature. If the temperature is greater than or equal to 90, it is probably Summer. If the

A system administrator in charge creating user accounts requires that permissions are assigned based on the users department within the company. What type authorization does this describe? Group of answer choices Discretionary Access Controls Rule - Based Access Mandatory Access Controls Role - Based Access

Consider a long long integer representing a 1 0 - digit phone number given by the user via the keyboard. Break down the input to a phone - friendly format represented by the area code ( in parenthesis ) , followed by the prefix, and line number using the format ( 8 0 0 ) 5 5 5 - 1 2 1 2

Question 1 4 Not yet answered Flag question The expert system uses a ( n ) to select the most appropriate response. a . knowledge base b . data source c . decision support system d . inference engine
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R = 1.987 Formula: k = k0*exp(-Q/(R*T)); MatLab Arrhenius equation function Review the description of HW2 about the Arrhenius equation. We were using the script file to calculate teh reaction rate for a special condition with given Q, KO and T. Now, you need to write a function to calculate reaction rate (k). A function allows us to re-use the
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Create elass Rimployee that has: - (ForveName, lavidime, Sen and fin) as pruteoted data members. - Rublic menniber functions. 1. Converacter (narametrinod). 2. Necded srts and iretx. 2. double Earningot This fianction to return the salary for the employee (Darning is a pure virtal method). Create class Hourly Eimployee which is an inherited elass
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Please I need answer to these questions (11,12,13,14,15 and 16) thank you 9:09 LTEO 10. The values for the propositional variables p. g. s are determined as follows: p true q- false s true Determine the truth values for the following propositions (show your work): 11. Give truth tables for the following propositions. Use the guidelines from last
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This question is from the study of Operating Systems and Networks. Kindly solve it urgently. Reference Models Solve the following subtasks: a. (6 points) State the layers of the Internet Reference Model in descending order. For each layer, name an associated protocol. b. (2 points) What is the difference between the Internet Reference Model and
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Which technology enhances or augments the real world by using information that is designed to heighten sensory ( i . e . , auditory and visual ) perception?

1 . In OSI model, Data Link Layer ( layer 2 ) uses frames. What is frame? What is the address used in frame called ( in Ethernet network ) ?

Write a program called PhoneNumber that prompts the user for a phone number in the form, xxx - yyy - zzzz . and outputs the 3 parts of the phone number ( Area Code, Prefix, Line Number ) , for example, $ java PhoneNumber Phone Number: 9 1 9 - 5 1 5 - 2 0 1 1 Area Code: 9 1 9 Prefix: 5 1 5 Line Number: 2 0 1 1

1. Write an MSP430 assembly program that multiplies the corresponding elements of two integer arrays and stores the results in a third array. The arrays need to have at least 6 elements of varying numbers. Your program should implement something similar to the loop below: for (k = 0; k < array_size; k++) array_3[k] = array_1[k] * array_2[k]; This

Cloud computing services are delivered by a variety of deployment models, depending on who manages the cloud and who has access to it . The main deployment models you are likely to encounter are as follows: Public cloud Private cloud Community cloud Hybrid cloud Discuss and compare at least two of these, and which is most appropriate for a small

WILL LEAVE GOOD RATING. PLEASE HELP THANK YOU!! ( JAVA) Can you modify this program to a) a method readGrades that receives one int parameter (how many grades to read), and returns an array of integers representing grades read in from the user. b) a method computeSum that receives an array of integers (grades) and an int (n), and computes and

13:31 moodle.kent.ac.uk Important Befone woking on the tasks below, you should a) download the project co520-A3.zLp using the link en the module Mole page and unaip the ile before working on he project, they are and how to use them; Database class. Study the code in the method testal12 to understand how these tests are b) carefually saudy the
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1.Start SQL*Plus 2.Write and execute SQL for the following queries. Save each successful commands in file. Note that the commands use the following tables: Airport(Airport, AName, CheckIN, Resvtns, FlightInfo) Route(RouteNo, RDescription) Fares(FareType, Fdescription, Conditions) Tariff(RouteNo , FareType, Price) Aircraft(AircraftType,

The final keyword makes a variable's value unchangeable. True or False? True False
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Homework \# 1 Question \#2 ) (preemptive) Priority 1) Find waiting time for each process 2) 1v A w.time. 3) Find Turnaround time for each process 4) "Avg T.around ".. 5) Find Throughput
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MATLAB 16. Write a script file using conditional statements to evaluate the following function, assuming that the scalar variable x has a value. The function is y=ex+1 for x
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7.8.1: Modify the program so that the user can specify an encryption key. Modify the following program so that the user can specify an encryption key other than 3 with a -k option. For example: java CaeserCipher -k15 input.txt output.txt Note: the only part of the program that can be modified is where it says /* Your code goes here */

1. Illustrated below is an automotive turn signal where each "tail light" consists of three LEDs, illuminated in a "building dot" mode to indicate the turn direction. The "left" or "right" turr direction is selected by a 3-position (single pole) switch with a "center off" position (like a "real" automotive turn signal). The left or right building
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The time complexity of an algorithm is described by the following recursive equation. Please calculate the time complexity in the non - recursive version. You can assume that the input N is always an integer power of 2 , like 2 ? ? ? 1 0 , 2 ? ? ? 2 0 , etc. Please provide necessary calculation details T ( N ) { 1 I f N = 1 , 2 T ( N 2 ) + N I f N
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Which two of the following are true about system software? Your smartphone or tablet can run without system software. System software refers to programs that offer the structure and hardware control necessary to run the computer and its peripheral devices. One of the most important types of system software is the operating system. System software
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4.12 Examine the difficulty of adding a proposed swap Rd, Rn instruction to LEGv8 Interpretation: Reg[Rd]-Reg[Rn]: Reg [Rn]=Reg[Rd] 4.12.1 [5] Which new functional blocks (if any) do we need for this instruction? 4.12.2 [10] Which existing functional blocks (if any) require modification? 4.12.3 [5] What new data paths do we need (if any) to
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A co - worker issued the tcpdump udp - w example.pcapng command. You received an email on your Windows system with the example.pcapng file attached. Trusting the source and understanding the behavior of . pcapng files, you chose to double - click the attachment to open the file. What most likely happened next? A Wireshark opened with the UDP
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This is a Java problem. Your program wishes to use the class java. util. Calendar. Your source says import java.util. *; When instantiating an instance of the class Calendar, your code can say: util.Calendar c; No answer text provided. No answer text provided. Calendar c
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This is programmed in MATLAB. Please provide the code for PART A PART B PART C. This should be organized with a PIPELINE/WORKFLOW style I have provided the beginning and end of the excel sheet. Matlab 2018b D survived ticket 24160 L221 em todo o 13502 L77 A B 1 row.names pclass 1 1st 2 1st 3 1st 4 1st 5 1st 6 1st 7 1st 8 1st 9 1st 10 1st 11 1st 12
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Task Instructions Run the Rating macro in cell F5. Paws Assisting Today's Youth
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Develop a Java application which implements an application for a store chain that has three types of stores which are Book, Music, and Movie stores. Your application should have an Item abstract class which should be extended by the Book and Multimedia classes. Item class has abstract priceAfterTax method, you need to implement this method in

Choose the correct answer. ( a ) What is the first step of Genetic algorithm?A ) Cross Over B ) Mutation C ) Evaluation D ) Selection ) Representation ( b ) ( True / False ) Mutation consists of applying minor changes to one individual, for example flipping a bit. Answer . . . . . . ( c ) ( True / False ) Annealing is a physical process in

What type of fiber - optic cable is used in a 1 0 0 0 BASE - LX network? Group of answer choices twinaxial single - mode fiber multimode Cat 6

Java program help please Create a main method, and create a 2D integer array called data , with a size of five (5) by five (5). Ask the user to input the values for this array ( Scanners nextInt ). Create a method called LongestPositiveSeries , that takes in a 2D array and finds the length of the longest continuous series of positive numbers in

3. Complete and insert a Partial Gantt chart for FCFS 150 TIME UNITS a. FCFS video to help you get started: https://youtu.be/716U9cF6gUo 4. Calculate the PARTIAL results for Response Time (RT), Waiting Time (WT), Turnaround Time (TT) PER PROCESS and Averages as of time 150 for FCFS Assumptions: 1. All processes are activated at time 0 2. Assume
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3 . 2 . 1 1 Lab - Exploring Processes, Threads, Handles, and Windows Registry d . Change the 1 to 0 for Value data. The value of 0 indicates that the EULA was not accepted. Click OK to continue. What is value for this registry key in the Data column?
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Use the format in the second picture to solve subtask c. (The TCP handshake) b. (3 points) Given: The TCP header i. Which fields in the header are used to identify a service (or process)? ii. In which bit interval is the checksum located? Use the interval notation (i.e., [i,j] for the range from bit i to bit j, where the bit index starts at 0 ).
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Which of the following are supervised learning problems? a ) Predict whether a website user will click on an ad . b ) Find clusters of genes that interact with each other. c ) Classifying handwritten digits from labeled examples. d ) Find stocks that are likely to rise.
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Please answer in C++ 1 Happy numbers A happy number is a natural number (non-negative integer) that eventually becomes 1 when iterated over the sum of squared digits function. For example, 28 is happy: 28 +22 +82 = 68 +62 +82 = 100+ 11 +02 + 02 = 1 V But 4 is unhappy (omitting intermediate results), as the chain of numbers led to the original
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Which of the following languages is / are context free? I. L = { 0 n 1 n 2 n | n 1 } over = { 0 , 1 , 2 } II . L = { 0 n 1 n | n 1 } over = { 0 , 1 }
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Assume you are using the tcsh shell and type command > > filename. You get the error message "filename does not exist". What causes this? You don't have permission to write the filename in the current directory You don't have permission to run command The noclobber shell variable is set The noclobber shell variable is not set The noappend shell

Variables declared inside a function cannot be accessed from outside that function. True False
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Amazing.org is a fictitious company. Amazing.org generates revenue from three main business lines: ( 1 ) online store sales, ( 2 ) fees for services and memberships, and ( 3 ) its Amazing Web Service ( AWS ) cloud computing platform

1. Outline a vivid and comprehensive list of problems that confronts the current state of any selected establishment of your own and suggest solutions for each of them. EV[10 marks] 2 Identify the technological growth in digital forensic with respect to your chosen establishment. EV[10 marks] 3. Discuss the simulation system software development
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Using randi, generate a number that is randomly selected from the following set: - 0 . 8 0 - 0 . 2 5 , 0 . 3 , 0 . 8 5 . Assign it to S 2 .
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how to write this code by ML? Write a function removeDuplicates that takes a list as input and removes the duplicate values from the list. Each value should appear in the output list only once but the order does not matter. The function should have type ''a list - ''a list Examples: removeDuplicates [1, 5, 1, 3, 4, 3, 51i > removeDuplicates ["a",
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Assume that you have a function named repeat _ twice that takes one string as input and returns the string repeated. Now, write one line of code that calls this function with the input 'bear' and assigns the result to a variable named duplicated _ str .

5 2 8 0 4 0 . 3 4 8 9 5 2 8 qx 3 zqy 7 Jump to level 1 The first and second integers in the input are read into variables previousData and currentData, respectively. Write a loop that iterates until currentData is not equal to 5 plus previousData. In each iteration: Output currentData, followed by " is 5 plus " , previousData, and " . Sequence is
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