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Databases Questions and Answers May 22, 2020

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Please all steps.. Thank you for your time! Step 1 Show, using Substitution method, that the solution to the following recurrence is not O(n) : T(n)=4T(2n+2)+n Step2 - The general form of the sum of all nodes at a given level - Based on the above two pieces of information, come up with a guess for terms in the tree are, i.e. at the top or at the
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Create a script file that will do the following: 1. Create a 1 x 3 cell array called sample_cell to store the following individual arrays: A = 1 3 5 3 9 2 11 8 2 B = Fred Ralph Ken Susan C = 4 6 3 1 2. Extract the information in array C, row 2, from sample_cell and store this value in variable d 3. Extract vector [11 8] from array A in sample_cell

Tail. Write a program Tail so that Tail k < file.txt prints the last k lines of the file file.txt. Use StdIn.readLine(). Which data structure should you use? In Java

D. SIFS 43. Power over Ethernet delivers power to an AP through the same wires used for data in a standard unshielded twisted pair (UTP) Ethernet cable. True or False? 44. In ad hoc mode, the wireless clients communicate directly with the AP. True or False? 45. An Extended Service Set (ESS) consists of two or more BSSs. True or False? 46. On a
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With the aid of an example from the order schema, show that the relational algebra projection operator () is not commutative. (5) (a) (b) Write relational algebra expressions to satisfy the following information needs (i) List the addresses and manager names of all branches. (3) (i) List the produce ID, quantity and order date of all produce
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Given structure: struct Book { string title; string author; }; Book listOfBooks[100]; Write a statement that will print the title of the first book in listOfBooks.

A machine has a 64 KB main memory and a 4 KB 4-way set associative cache. The block size is 8 bytes. How many bits will be assigned to the tag field of the memory address? Select one: a. 4 b. 6 c. 5 d. 7

Trine University looking for Consultation Company to design the network for Indiana Campus. The Campus has Internet connection with one ISP. You have four programs' departments; Engineering, Nursing, IT , and Finance; in additional to the staffing and the management departments. Your design should include: Network Diagram. IP address distribution.

Files Assignment05.pdf a5_q1_template.py a5_q2_template.py encoded_maps.zip decoded_map1_ans.txt Coursemology Assignment 5: Dictionary Note Questions 1. Treasure Map 1.1 Secret Message 1.2 Decoding a Map 1.3 Find Treasure 2. Ancestry Tree 2.1 Are You My Ancestor? 2.2 Are They Related? [20 marks] [20 marks] [20 marks] [20 marks] [20 marks] Unzip

For A = {a, b}, B = {1, 2}, and C = {, }, determine AxBxC.

ation/frmSt in 13) Written or visual depictions of defamation are known as Next
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Your code output should match the output shown in the diagram. If you cant get commas to show up in the output of the numbers that is ok. Example Output nie mountable w and use print to align output To get comma's in your output you will have to use System.out.print you cannot get commas in your output don't worry about it to 1000 incare variable
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Create using PHP and HTML language A grocery list is a list of the things that you want to buy when you go shopping, which you write on a piece of paper. You often compile a list of items to purchase on the next visit to the grocery store to avoid overspending and focus only on the stuff you really need. Build a system to manage your grocery list.
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Based on the reference table below, please write a SQL query to show the data from the datable showing all the subordinates below the manager of 'Vice President of sales' and the person who are reports to the subordinates including the level number of that person. Reference table: \begin{tabular}|111111111] Whline & Employeeld & FirstName &
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Can someone help with this c++ question?! Question 25 What is the output of the following code segment? string str - "ABCDEFG"; cout
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50 45 A consumer is choosing between magazines and books. His indifference curves are shown on the graph to the right. Consumer income allocated for these two goods is equal to $150. The price of magazines (Py) is constant and equal to $5.00. 1.) Use the line drawing tool to draw four separate budget constraints for the following prices for books:
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QUESTION #1 What does research suggest as a best practice for how much time should be spent in initiating and planning activities for projects? Do you think that estimate is realistic? Why or why not? How does spending more time on planning help reduce time spent on executing? Give examples of how this has worked on real projects. Question #2 When

please make sure to solve all the questions. 04.120 pts) Designing and Implementing an Algorithm - Longest increasing sequence a. (8 pts) Write an algorithm to find a subsequence of a given sequence of integers in which the subsequence's elements are in sorted order, lowest to highest, and in which the subsequence is as long as possible. This
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Q1/ Write a M-file mat lab program call it Eql.m file to find the following equation (Multiply matrix): C (m,n)=A*B and A and B was matrix. (25M)
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software design and archtrctire Google is a company that famously uses big data. In addition to having access to user information through its Chrome browser and Gmail products, Google also receives billions of search requests every day on its search engine. Your company manager requested you to prepare an estimate for a system within two weeks

PLEASE HELP ME Use the Internet to identify three network firewalls, and create a chart that compares their features. Note if they are rule-based or application-aware, perform stateless or stateful packet filtering, what additional features they include (IDS, content filtering, etc.), their costs, etc. Which would you recommend? Why? Write a short

.'F1 (a,b,c) = ac+b'c: abc .'F2(a,b,c) = ab'c+b'c+a'bc The two functions F1 and F2 are equivalent O Latches are controlled with while the flip flops are controlled with high input signal, low input signal. O signal level, signal transition .bo signal transition, signal level. O low input signal, high input signal.d O :For JK flip flop, if J=K, it
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Question and Answer body { font-family: Calibri, sans-serif; font-size: 3em; } #answer { color: black; width: 100px; /* Part of your solution goes here */ } /* moveFraction goes here */ #question { /* Part of your solution goes here */ } #question:hover { /* Part of your solution goes here */ } span { display: inline-block; } Question: + = 5.12
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2.5 What is the total memory, in bytes, allocated for the following variables
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Simplication using boolean expression A'BC' + AB'C + ABC' +A'B'C'

Write the program in Java You are asked to implement a "message queue" class using Java. The following figure depicts a message queue connector class, followed by the detailed specifications of operations. The message queue connector class has send0 and receive), and the size of queue is 3. You can declare additional variables in the message queue
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The greatest common divisor (GCD) of two positive integers a and b is the largest integer that divides both a and b. The Euclidean algorithm for finding greatest common divisor, GCD(a, b), is as follows: if b-0, GCD(a,b) is a; otherwise let a b (if this is not true, the values of a and b are simply swapped) and divide a by b to obtain quotient q
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Another simple sort is the odd - even sort. The idea is to repeatedly make two passes through the array. On the first pass, you look at all the pairs of items, a [ j ] and a [ j + 1 ] , where j is odd ( j = 1 , 3 , 5 , . . . ) . If their key values are out of order, you swap them. On the second pass, you do the same for all the even values ( j = 0

The purpose of this assignment is to help you learn more about the concepts related to the role of Project Management in businesses. Topic of Discussion In the recent years, project management has become a popular business tool. Discuss what makes project management such an important tool for businesses
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The DNS name space works in a manner extremely similar to how your computers file system works. The DNS name space is a hierarchy of DNS domains and individual computer names organized into a tree-like structure that is called a DNS tree. Explain the 1 and 2 pointed in the following Figure. What would be the fully qualified domain name (FQDN) for
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It's C++ problems (1-3) Indicate whether the following statements are true or false 1. x!=y is the same as (x>y || x =y is the same as (x>y && x=y) (4-5) Writing if statements 4. Write an if statement that prints the message "The number is valid" if the variable temperature is within the range -50 through 150. 5. Write an if statement that prints

Organizations facing growing legal obligations are often perplexed about how to comply with so many laws and regulations. Assess the role of security compliance at the local and federal level. Justify the need for effective security compliance. Do you think a comprehensive approach is needed to integrate institutional compliance programs within

please answer all parts and show all work 2. For the following circuits, complete the truth table A B C 3. Write the product-of-sums equation for output Z of the truth table in problem 2.a. and a sum-of-products equation for the Z output in the table in problem 2.t
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Which of these 8 0 2 . 1 1 management frames contain a PMKID in the RSN information element? ( Choose all that apply. )

Answer the following questions: [ 1 5 marks ] This machine is a brand new innovation. Re - write the sentence considering technical writing traits. Nadia treats people in a nice way. Re - write the sentence considering technical writing traits. Change the following non - technical word to a technical word: pupil. The salad was eaten by Yousef.
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Which of the following statements is always true. The height of a binary search tree with n nodes is O(log n). If f(n) is not (g(n)) and g(n) is not (f(n)) then f(n) is (g(n)). An algorithm that runs in worst-case (n2) time takes longer, on the same input, than an algorithm with a worst-case (log n) time. For any constants x, y > 1, nx is O(yn).

Question 8 to 17 7. What wildcards are available in Oracle, and what do they represent? 8. How do you determine whether a column contains one of a particular set of values without using an AND condition? 9. How do you sort data? 10. How do you sort data on more than one sort key? What is the more important key called? What is the less important
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Amy is doing some online research for a term paper. She'd like to access some information on a particular Web site, but the Web site is asking her to put in her email address before allowing her to view the information. She wonders what the Web site owner will do with that information, but there is no way for her to know how data collected via a

breast = read.csv ( file . choose ( " " ) , header = TRUE ) attach ( breast ) model 2 = glm ( as . factor ( BenignMalignant ) ~ClumpThickness + CellSizeUniformity + CellShapeUniformity + MarginalAdhesion + SingleEpithelialCell + BareNuclei + BlandChromatin + NormalNucleoli + Mitoses, family = binomial ( link = "logit" ) ) breast$prediction 2 = exp
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Code test and debug on MIPSym a MIPS assembly language program to calculate recursively the function Comb(n,m) = (if m == 0 || n == m ) ? 1 : Comb(n-1,m)+Comb(n-1,m-1); Comb is 0 if m>n or n <0 or m <0 Your code should include a main routine that asks the user for input values of m and n and displays the result of the function call. The main

C++ Like the faArabic scheme, Roman mumbers are written in decimal form; a Roman number contains thousands, hundreds, tens, and units "digits However, Roman numbers use strings of letters to represent each digit, with different letters used for the thousands, hundreds, tens, and units digits. Moreover, although Roman numbers are always written
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please write the MATLAB code for exercise b) Consider the following sponsored search auction instance I: 2 slots. The top slot has a known click-through rate (CTR) ctr = 1 and the bottom slot has a known click-through rate ctr=0.5. 2 advertisers. Advertiser 1 has a private value-per-click v1 = 1 and advertiser 2 has a private value-per-click v2 =
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Write code in python programming. A school cafeteria is giving an electronic survey to its students to improve their lunch menu. Create a program that uses a list to store votes for the survey. The program should display four food items in the display. Then it prompts students to enter whether they like or dislike a particular food. Display a

Q 2 . List all Java Programming related courses that have a prerequisite. List course no , description, prerequisite course no , prerequisite course description

A byte is a group of how many bits? 4 8 1 6 3 2 1 0 2 4
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In the attachedPython code, use the array built to shuffle and deal two poker hands. Change the corresponding values for all Jacks through Aces to 11, 12, 13, 14 respectively. Shuffle the deck, then deal two hands. Comment your code and submit the Python code. This is an Extra credit Test grade.

i) Write a program for afor loof Statment to point the series number below. $$ 182764125216 $$ CS.VS. 1135
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Please teach me with this part one~ its about bit wise left rotation, not random music names a Specifications: Part-1 Part-1: Description In this part of the lab you will build a single operation ALU. This ALU will implement a Bitwise Left Rotation. For this lab assignment you are not allowed to use Digital's Arithmetic components. HINT: You might
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DRAW ( not just describe ) a Turing Machine for showing that E(dfa) is a decidable language where E(dfa) is language of DFAs that do NOT accept any string at all. PLEASE DRAW DIAGRAM OF THE TURING MACHINE SHOWING PROPER CLEARLY MARKED STATES AND TRANSITIONS.

What is the term used to describe the process of confirming an actor's authorization before a program takes an intended action?

Please help with grep Linux program. I have essential all of the program done, I just get a bad selector file for the compiled output?? Can anyone help and show the command line and output in Linux only please? Thank you!! The following program use redirect to implement env j grep HOME, which prints out your home directory. (a) Read the man page

Mobile Wireless Communications

if the number of occurrences of " 0 1 " is 1 more than the number of occurrences of " 1 0 " in a string of length n , what is the last character of the string
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Which category of process does the kernel always take over responsibility for reaping? those that have unterminated children those whose parents have already terminated those that terminate abnormally those that terminate abnormally
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3. Prove that A = {www|w is a string from {a,b}*} is not regular. Consider the string s=a p b a p b a p b.

- Here is a data about grocery items. - We'll analyze this to determine any interesting association rules. Data name is 'GroceryStoreDataSet.CSV
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write a code and Build a binary tree. Then make sure the that three traversal functions (preorder, postorder, inorder) produce the following output: Preorder: ABDGCEHIF inorder: DGBAHEICF postorder: GDBHIEFCA

Please write a full answer and explain it well 8, (18%) Consider the following page reference string that references pages 0 to 4 ference number | 1. I 2. | 3. | 4. | 5. I 6. | 7. | 8. Page reference string 01231410 Read or write access | W | R | R | R ? W ? W R I R Using the page replacement policies below, which pages are stored in the frames
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[ 2 ] Give a Turing machine M such that i . its input alphabet is 0 , 1 ; ii . , M accepts an input string s if and only if s contains twice as many 0 s as it contains 1 s . What is the runtime of your TM ? You can define M either by the table of its transition function, or by a labeled graph, or by giving precise description of its operation in
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A.) Describe the function of a decoder circuit. B.) Identify the types and quantity of gates needed to implement a 3-to-8 decoder. C.) Either create (or give the location in the text) of a logic diagram of a decoder circuit.

We want to encrypt the data that an application generates. We need to add an encryption layer in the TCP / IP layer. What would be the most appropriate place to add that layer? Explain your answer.

PLEASE USE PROGRAMMING IN C NOTE: You do not need to write a complete program, only write one block of code, the function definition Write the function definition for a function called Calculation that takes one argument of type double (input1 ) and returns a double. The purpose of the function is to calculate the quotient of (input1) divided by a
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Which are the two major categories of transmission media? a . Unshielded Twisted Pair ( UTP ) and Shielded Twisted pair ( STP ) b . Single - mode ( SM ) and multi - mode ( MM ) fiber c . Copper and fiber d . Guided and unguided AND WHY

python Alinear equation of n variables can be represented as a list of n floats. For example 2x+3y+1.4z=6 can be represented as [2, 3, 1.4, 6] and systems of linear equations like 3x+3y=2, 5x+3y=8 can be represented as lists of lists as [[3,3,2,...).(5,3,8....]]. Write a function equan(a) that takes a system of linear equations as an input list of
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Show how to implement a buffer using CMOS logic. Draw out your circuit.

Given structure: struct Book { string title; string author; }; Book myBook; vectorlistOfBooks; Which of the following statements can you have in a program that uses this structure?

Write a program or algorithm in C++ to convert a diagonally non dominent matrix into diagonally dominent matrix Please share source code with proper comments at each step Requirement:matrix can be of any size Hint:swaping of rows in matrix can be used for this purpose

1. Which of the following terms best describe the first point of interconnection between an organization's LAN or WAN and a service provider's facility? Select one: a. entrance facility b. MDF c. IDF d. work area 2.How large is the FCS field of an Ethernet II frame? Select one: a. 4-bytes b. 8-bytes c. 2-bytes d. 6-bytes 3.Which term represents an

Using a for loop, ask the user for 4 integers. Print the average of these numbers. in lua

in C# ( c sharp) Question 1 | 2 marks]: A Retail Company Computer needs an application that generates monthly sales tax report that includes the total sales and the amount of the provincial and the general sales taxes Write a program that asks the user to enter the total sales for the month, then program should calculate and display the amount of
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PDF.js 1 Introduction When reading a file, Python reads the lines of text in the file as strings, even when the file clearly contains only numerical data. For this project we will construct a recursive function that will convert strings of digits to integer type objects. 2 Objective The goal of this activity is to develop a function, named
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draw use case package diagram ??? This question concerns the development of a small software system. The scenario below outlines the problem domain. This description is not complete, but it contains all the information needed to answer the questions from 1.1 to 1.10. [Any answer not related to the scenario will be given ZERO mark]. Due to COVID19
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4 To prevent the tapping and use of information on a wireless network which has brought untold mistrust amongst the directors of Okonko Systems, you suggested that every message that is transmitted should go through the following: A systematic two left bit shift; b. After a above, the algorithm f[(6m +2) + k] mode 13 should be applied to the
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JAVA: Connect Four - Implement Connect Four for both 2 human players and single human and computer opponent. You should use the following template to implement the game: import java.util.Scanner; /** * Connect Four is is a two-player game in which the players take * turns dropping colored discs from the top into a seven-column, * six-row

Q1.Write the Boolean equations of the functions whose outputs are given in the truth table below and draw the relevant logic circuits. In addition, write the VHDL codes for the circuits you obtained (including the Architecture and entity parts). Q2.Construct the following Boolean function (F) using two NOR gates. Note: Do not overlook the d (don't
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A key ethical question related specifically to safety - critical software development

How many times does the body of this for loop execute? count = 0 fruits = [ " watermelon " , "banana","apricot" ] for f in fruits: count = count + 1

Networking theory. Please, provide the solution. 1) What are the difficulties associated with wireless network connections? Discuss your experiences with wireless access point setup and configuration. 2) What would you do if network availability is a high priority? Describe your solution and benefits?

created vhdl files using dataflow, structural and behavioral modeling of OR logic gate. you may use and_gate_tb testbench

Which of the following are included in R packages? Select all that apply. Tests for checking your code Sample datasets Reusable R functions Naming conventions for R variable names
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Please explain what these terms mean. I do not understand this and it seems the terms are slightly off from what I am finding online so please explain what each term means (address bits, bits per word, location) Thank you! QUESTION 5 How many address bits are needed for a memory with 16 bits per word and 8 locations? (give a numeric answer)
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In this project, you will create header and footer pages that you will add to a Web page with the include statement. 1. Create a new document in your text editor and type the declaration element, document head, and body> element. Use the strict DTD and "Coast City Computers as the content of the title> element CHAPTER 2 Functions and Control
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Please explain how you get the answers. a. If F-AB-> C, C-> B, C-> A), then derive all the possible FDs. b. For a relation R(A,B,C,D,E,F,G), FD IA-B, BCDE, AEF G), show ACF-DOG c. F IABC, A-D, DE, ACBl, then, do following FDs hold? ABE D- C Use closure for question c
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matlab 2) How would you use max to find the maximum value of the matrix AER xn, and also the index, i.e., (i, j), which contains this value? Do this in two ways. a) Use max to calculate the maximum in each column and its index, and then use max again but on the vector of maximum values. Hint It is always good to have a specific example in front of
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No spamming Assume that a function f is in polynomial time and can be computed in time 0(n 7 ) and that g is in polynomial time and can be computed in time 0(n 2 ). Prove that f composed with g, that is f(g(x)), can be computed in time 0(n 14 ).

Assume the variable s references a string. Write a statement that assigns the second through fifth characters of s to the variable s 2 .
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Can someone help me that question with explanation please I really appreciate for your help.
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T Files Midterm 1.pdf Page 3 Product Smaller = Product Smaller Arr(index] III (7 points, Show the details of your work) Solve part a orb for this question. or a. Solve this part only if you student ID # ends with 0.2.4.6. or S 1. Write a divide-and-conquer recursive function (C++ python) count positive (float Arril, int first, int last) that
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Calculate the mean of the following set of numbers, SHOW YOUR WORK: 25,22,26,24,21,29,26,20,28,23 \ Mean:\ Calculate the variance from the above values, SHOW YOUR WORK.\ \\\\table[[ x , x - Mean, (x- Mean )^(2) 1. Calculate the mean of the following set of numbers, SHOW YOUR WORK: 25,22,26,24,21,29,26,20,28,23 Mean: 2. Calculate the variance from
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To get more practice for your final project you will utilize all the skills that youve learn so far. Your program will be able to take in user inputs or read an external data collection (in this case, a text file), then report information back to the user based on user inputs. To accomplish this, your program must perform the following actions: A)

Language c++ For example: If k is 3, then the number 25764 is encrypted as 58097. When you add 3 to each digit if it passes the value 9, apply a modulus 10 operation on it. Think of a similar solution when you decrypt. Then, create another file decrypt.cpp. Assume that k is already known. Ask the user to enter the k value and then a 5-digit
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Please provide a whole screenshot starting from the working directory. Assume that the following files are in the working directory: $ ls intro notesb ref2 section1 section3 section4b notesa ref1 ref3 section2 section4a sentrev Give commands for each of the following, using wildcards to express filenames with as few characters as possible. -List

Subsequence.java : package cmsc256; import java.io.*; import java.util.*; /** * Determine if one sequence of words is a subsequence of a second. */ public class Subsequence { public static void main(String args[]) { List s1, s2; System.out.println("We need two sequences of words."); s1 = getSequence("Enter the first sequence (s1) all on a single

What integer is represented by the following 8-bit twos complement representation: 1011 0000 ? (Enter your number in decimal, and include a negative sign if necessary)

Will be working with two files lab7.cpp and stack.h ( implemnetation ) /* Lab 7 Application file Calls to functions from the enhanced stack class. */ #include #include #include "stack.h" // Note: stack implementation file is included using namespace std; int main(int argc, char *argv[]) { // declare a stack called stacky // Push characters F, L,

Compute the error of a polynomial approximation of a first degree polynomial for f(x) in the interval [0, ]. Assume x x1 cos(x)
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Need to write 10 test cases using Intellij (selenium WebDriver and testng) with google chrome driver the test cases should be about amazon page package test; import org.openqa.selenium.By; import org.openqa.selenium.WebDriver; import org.openqa.selenium.chrome.ChromeDriver; import org.testng.annotations.Test; import java.time.Duration; import

relational schema & primary keys

Suppose a lawn care company can install either mulch or pine straw for flowerbeds of their residential customers. A workday typically runs 12.5 hours (or 750 minutes) and the company can install mulch in 30 minutes and pine straw in 45 minutes. The boss knows that they could service 25 customers just with mulch on a given day but he wants to also
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please use python to solve the the problem.Thank you.We are going to write a program to compute a type of population balance problem similar to the bunnies and foxes you computed in Lab 3. This problem will have bears, berry fields and tourists. We will just use the word berries to mean the area of the berry fields. We will count the numbers of

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