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Databases Questions and Answers November 29, 2020

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PYTHON PLEASE You are trying to update your resume so that you can apply to summer internships. It's been a while, and you've been taking a lot of classes, so your GPA must have changed quite a bit. You log into DegreeWorks and you discover that the IT department implemented a sentient robot on the website that automatically calculates your GPA in
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// copy.c //copy file f1 to f2 using standard I/O #include int copyfile(const char *f1, const char *f2) { FILE *inf, *outf; int c; if ((inf = fopen(f1,"r")) == NULL) { return (-1); } if ((outf = fopen(f2, "w")) == NULL) { fclose(inf); return (-2); } while ((c=getc(inf)) != EOF) { putc(c, outf); } fclose(inf); fclose(outf); return (0); } int
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Which of the following are valid python variable names? O a. firstBase b. Cannot be determined. C. width d. halt! e. _length f. 2MoreToGo g. cs_140
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New Subnet Mask creates ______ subnets (2 ___ = ) Each subnet has ______ possible hosts (2 ___ 2 = 2 = ) Subnet, Broadcast, and host IDs: (Block size = ) Subnet IDs Valid Host IP addresses Broadcast IP address 192.168.25.0 192.168.25.1 - 192.168.25.30 192.168.25.31 .255 (always the last!)

solve it edsim 3. Design a device that will read a scanner connected to it serially and save the characters in a file. When the scanner is not used, the user of this device can print the information stored in the file on to a printer connected serially to this device. The user can choose whether she wants to scan a file or print the information
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INFO 1213: Web Application Development (A12) Question 11 Which tag is used to hyperlink web pages to each other? Not yet answered Marked out of 1.00 Flag Question Select one: a ca> tag b. tag O c clink> tag O d. tag Previous page ReviewQuicChapter04 Jump to . Type here to search o 2 it
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Map the ER diagram below to a relational schema gold silver bronze Player Common- weath Gomes(ClWG medal record uque athlete ID has Frst name Sports plays athletes middle nome dob (ast mome ompetes ac hone numbe team Country emoil eam S port LSport associa paraplegic in non gender emergenc paraplegic ?? name descripton ustome additonal medical
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An agent is one who has the power to construct for and bind another person, who is known as the: principal. plaintiff. executor. ostensible agent.
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4. Explain two different wireless interfaces on a modern automobile. Describe an attack scenario, including the assets, threat model and exploited vulnerabilities of each. Suggest possible defenses
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For this question, you will write a short report that explains how your program works, and give some execution examples. The Farmer Problem Consider the famous problem of a farmer having a goat, a wolf, and a cabbage. The farmer wants to cross the river from the east shore to the west shore, but his boat is small. The boat has space for only the

Print the two strings, firstString and secondString , in alphabetical order. Assume the strings are lowercase. End with newline. Sample output: capes rabbits Learn how our autograder works 5 4 3 7 6 4 3 8 9 6 9 3 2 qx 3 zqy 7 import java.util.Scanner; public class orderstrings { public static void main ( string [ ] args ) { Scanner scnr = new
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Hands-on Project 2: Document evidence gathered with Wireshark Review the section, Documenting the Evidence Gathered on a Network in the chapter. Using the guidelines provided, document the evidence gathered in Hands-on Project 1. Prepare a 1-page document with your findings.

For an array of objects, we don't have to call the same constructor. We can call a variety of constructors for each object. If you do not provide an initializer for the object in an array of objects the default constructor will be called you get a compile error the copy constructor will be called none of these all of these
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Given an int variable n that has already been declared and initialized to a positive value, use a while loop to print a single line consisting of nasterisks. Use no variables other than n

Hands-on Project 3: Identify crime reconstruction analysis types Review the section: Evidence Reconstruction for Investigation in the chapter. Identify which type of analysis would be most appropriate in order to reconstruct the crime identified with the evidence you gathered in Hands-on Project 1 and documented in Hands-on Project 2 . Prepare a

This is java. I am having issues with getting random movement out of an enemy class. I need my enemies to be able to move randomly across the map. i'll post my two classes that this pertains too but if you need more code i can provide. MainPanel.java import java.awt.Dimension; import java.awt.Font; import java.awt.Graphics; import

( 2 points ) Section 2 3 Question 5 : Convert the nfa defined by ( q 0 , a ) = { q 0 , q 1 } ( q 1 , b ) = { q 1 , q 2 } ( q 2 , a ) = { q 2 } ( q 1 , ) = { q 1 , q 2 } with initial state q 0 and final state q 2 into an equivalent dfa.
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Given a list of names, return a new list of all names that either start with " A " or end with " er " The order should be the same as the input list.

For the following database: PEAK (NAME, ELEVATION, DIFFICULTY, MAP, REGION) CLIMBER (NAME, SEX) PARTICIPATED (TRIP_ID, NAME) CLIMBED (TRIP_ID, PEAK, WHEN_CLIMBED) PEAK gives info about the mountain peaks that the user is interested in. The table lists the name of each peak, it elevation(in ft), its difficulty level(on a scale of 1-5), the map that

Please answer ASAP, less than 30 min. Thank you Question 12 7 Points Write a method called CompareAndChangelist to be included in an application class called ListApplication that accepts two parameters list1 and list of type SingleLinkedList of integer values, and a third parameter Item of type int. If list1 and list2 are of different sizes, the
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Consider the following table containing the marks for so we tests and an Exami 69 Srident ID 93801 93810 93815 93945 92837 93820 93835 93838 93839 93840 93855 93857 93870 93871 Test 68 09 82 65 55 92 49 74 81 40 85 65 Test 2 71 66 81 72 49 89 58 86 65 39 70 88 153 48 91 81 63 95 54 89 62 47 55 91 68 The above data are stored in an Excel file umed
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Use Newton's method to find the one real root of x^3+3x+1=0 Note: anything following a '%' is a comment and is ignored by Matlab x = -2; Tol = 0.0000001; count = 0; dx=1; %this is a fake value so that the while loop will execute f=-13; % because f(-2)=-13 fprintf('step x dx f(x) ') fprintf('---- ----------- --------- ---------- ') fprintf('%3i

In terms of software engineering: A. The use case A may not necessarily be performed every time B is performed. B. The use case A has to be performed every time B is performed. C. The use case B has to be performed every time A is performed. D. None of the Above What is the correct meaning of the below diagram? ??include>>
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Give examples of languages L1 and L2 over {a, b} where L1 is regular, L2 is nonregular, and L1 L2 is nonregular.

In STS, write a program that displays the triangle on the console as follows using any type of loop. Do not use a simple group of print statement and please use comments liberally. 0 10 101 0101

The non - ambient pressure p a about the free surface of a fluid can be converted into an equivalent depth h a . Which of the following statements better define that equivalent depth?
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Some of the requirements that this table is based on are as follows: Each temporary worker has a unique TempID , and a non-unique TempName . Each employer has a unique EID , and a non-unique EName . Each job has a unique JobID , and a job type. Each job type has a unique JobTypeID and a non-unique job type description ( JobTypeDesc ). Each

What is the first ( rightmost ) digit in the base 7 expansion of the base 1 0 number 5 1 ?

Answer the following question from the picture. Q.1 Draw schematic diagram to show what happens after the execution of the following instruction. a) LDS BX, [SP] (If before execution: DS=25BOH, SS= 1F50H, SP =FFFDH) b) REP STOSB (If before execution: CX=2, D=0, ES=1A50H, DI=AOBEH)
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This is the assignment, i have to make sure LinkedList is added. Implement MyArrayList and MyLinkedList using MyList interface and MyAbstractList as defined in Java Collection Framework. 2) For the following problem use your own created MyArrayList or MyLinkedList if needed. Given an array of words and a width maxWidth , format the text such that

Design a simple memory of type RAM starting from address 0001 to 0110 with memory width is 8 cells and each cell can be presented in two bytes. Find the total size of this memory? Draw the final design Design a simple memory of type RAM starting from address 0001 to 0110 with memory width is 8 cells and each cell can be presented in two bytes.
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Given the following set of data, bin them with equal width bins (choose how many) and then smooth the data by replacing each item with the median value of the bin. Show the new bins and show the new list of the data after smoothing. 18, 8, 22, 10, 12, 5, 4, 32, 2, 9, 16, 25, 26, 28

Each week please post an original reply to my discussion question by 11 p.m. Wednesday evening Eastern Time (ET). Include at least 250 words in your reply. Indicate at least one source or reference in your original post. You can use your textbook or current research articles. Please see the rubric for information on how I will assess your

If a breadth-first search in Prolog executes by looking for paths of length 0, then paths of length 1, then paths of length 2... How many paths, in the worst case, would be checked before a path of length n was found when "steps" were defined as rolls of a 6-sided die?

What is the purpose of Windows Defender Firewall in Windows Server 2 0 1 9 ? Question 1 8 options: Encrypting files and folders Blocking malicious websites Controlling incoming and outgoing network traffic Managing user permissions

For the program below, explain what the output will be at Line A. Neglect any syntax errors you might identify. #include #include #include int main() {int pipefd[2]; pipe(pipefd); int pid = fork(); if (pid == 0){int pipefdC[2]; pipe(pipefdC); int pide = fork(); if (pide == 0){int x = 3*3; write(pipefdC[1], x, sizeof(x)); exit(0);} else {int y;
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How many broadcast domains are shown in the graphic? Switcn Switch hub l nup hub hub hub hub C twelve SIX one O two
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Write a program that generates a vector V with 30 random integers between -20 and 20 using the randi ) function and then finds the sum S ofthe all the elements that are divisible by 3. You can use the rem ) function in MATLAB but Do Not Use the sum ) function in MATLAB. Only. the vector V and the sum S must be displayed in the Command Window. Do
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Give the design of a D flip flop at the gate level, including a clock

Consider the following code snippet: int myVariable = 4 2 ; int ? * * myPointer = &myVariable; What gives you the value stored in the address &myVariable "myPointer myPointer myVariable
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Write a program that takes in a string that holds the values "day" or "night" and an integer that holds a person's age,

what is the answer? The "Service Platform" perspective when analyzing a company's IT Infrastructure refers to: A) Understanding the impact of new technologies on a firm's IT Infrastructure B) Analyzing the extent to which a firm's Infrastructure has the ability to expand to serve larger number of users C) Developing new policies and procedures for
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Read the case study below and answer the questions that follow: Your former school has requested you as their alumnae to develop a School Sports Management System (SSMS) which will make it possible for other schools in the community to have access to efficient management of sports activities among the schools. As the system administrator you

in python 4. Write a function diff(valsi, vals2) that takes as inputs two arbitrary lists of non-negative integers vals1 and vals2 and uses recursion to construct and return a new list in which each element is the the absolute value of the difference of the corresponding elements from the original lists. For example: >>> diff([3, 4, 2, 5], [7, 2,
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Sound travels through air as a result of collisions between the molecules in the air. The temperature of the air affects the speed of the molecules, which in turn affects the speed of sound. The velocity of sound in dry air can be approximated by the formula: velocity almostequalto 331.3 + 0.61 times T_c where T_c is the temperature of the air in
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Trig Functions are the mathematics required for Physics involving thrown and falling objects. There are many uses from Engineering to Gaming and Simulation After researching Trig Functions, Write and upload your.cpp program and demonstrate a theta that is degrees, 90, 110, 180.220.270 2338 Your program should Prompt the user to enter the Base &
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Please explain STEP BY STEP! SECTION III: 5. Choose the correct biased exponent (expressed in decimal) for the following decimal number using the single precision (32-bit) representation for floating point numbers (IEEE-754) -14 a) 64 b) 130 c) 3 d) 8 e) none of these 6. Convert the following binary number (signed 32-bit floating point IEEE-754)
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1. Write the following custom method, getCluster, described below for the given Dictionary implementation. Assume the normal fields/methods are present for our generic KeyValuePair class (i.e. from the Dictionary programming assignment) as well as for our generic Dictionary class. [20pts] The method getCluster takes in a bucketIndex and grabs all
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Code has already been provided to define a variable A that is a random matrix with a random number of rows and columns. The element values of the matrix are random integers that fall in the range from to . The matrix has between and rows and between and columns. Add commands to perform the operations described below and assign the results to the

Write a program using matlab that reads the percentage of plutonium-229 remaining in the sample, calculates the age of the sample from it, and prints out the result. The half-life of plutonium-229 is 25000 years.

What is tail-recursion? Why is it important in Racket? Draw a diagram to illustrate. (10 points

Q1. Write a MATLAB script that performs the following: array1=0.00.02.11.10.51.10.15.12.16.60.30.03.52.80.41.16.03.41.32.0 a. Generate and Display the 23 matrix from array 1 and store in the array 1_Mat23 b. Square the elements of arrayl and store the output into another sub matrix, say array1_Second. c. Sum the elements in each row of
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Write a (C++) class named Employee that has the following member variables: name : The name attribute holds an employees first and last name idNumber : The idNumber attribute is a string variable that holds an employees ID number department : The department attribute holds the name of the employees department position : The position attribute

When designing test cases, it is important to ensure full "coverage". What does this mean? Select one: O a. All of these answers are correct O b. Your test cases should include extreme values (min, max of expected range) for arguments O c. Include at least one test case for each type of behaviour for the function O d. Make sure every logical path
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Question 3 ( 1 point ) Retake question 1 . 2 - 1 Access network per - subscriber speeds. Match the access network with the approximate speeds that a subscriber might experience. ( Note: if you look these up , do so in the 8 E textbook, slides,or video - - not in the 7 E or earlier versions, since link access speeds are always increasing over the

(2) Why is the brain so mighty? It has billions of neurons (nerve cells) to carry" out its commands. Without the brain, you would not be able to think, feel. move, remember, or do all the things that make you the special person you are. At birth, the brains of infants weigh the same. But by adulthood, that changes. The average male brain weighs
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what is the amount of instructions in the following code: for ( i = 1 ; i < = n; i + + ) { j = j + 5 ; }

Write an if statement that prints "Negative" if a number is negative, "Positive" if a number is positive, and "Zero" otherwise.

What does requirements validation focus on ? Checking the requirements meet needs Detailed mathematical specifications Defining the system architecture Using prototypes to experiment

COMP 1 2 8 Input Output Processing Assignment Due Feb 7 by 1 1 : 5 9 pm Points 1 0 0 Submitting a file upload File Types py Available Jan 2 4 at 1 2 a m - May 7 at 1 1 : 5 9 pm The program will create a variable "student" with your name; prompt the user to input a temperature in Celsius and then apply the formula F = 9 5 C + 3 2 to convert it to
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Consider the following graph. S is the start state and G is the goal state. Edges are annotated with their cost. For each of the following search strategies, give ( 1 ) the solution path that will be returned, or write none if no path will be returned; ( 2 ) the frontier list, and ( 3 ) the explored / extended nodes in the order expanded. If there
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Write a 1,000 word APA-formated double-spaced paper on Advanced concepts of Sequential Patterns, Subgraph Patterns, and Infrequent Patterns. Provide the definition of each, examples of each, and if there are advantages/disadvantages of use, and why would you choose the pattern. Please provide references at the end of the paper in APA format

An Internet - based information security lab, or lab, is a collection of systems and software used for teaching information security. Laboratory exercises give students practical experience with security vulnerabilities, security testing, and defenses. The students are not physically in the laboratory, but access it through the Internet. The lab

Select the correct 8 - bit representation of the integer - 1 0 0 . 1 0 0 1 1 0 1 1
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Java question. Can someone code this? Instructions You are going to write a program that will simulate the very beginnings of a Ticketing System for an entertainment venue (think Key Arena, Tacoma Dome, Quest Field, etc). You will design a Ticket class and a VIP ticket. You will then write a main client program that will create a set number of

Write a program that prompts users to enter a three - digit integer and output the reverse of the three - digit integer. Assume that users always enter a valid positive three - digit integer. Your code should work for all three - digit integers ( 1 0 0 to 9 9 9 ) . If the user enters 1 0 0 , the following results appear on the console:

java program people.txt contains the following data of people in a line. It includes their gender, name, and shirt color male Brice Red female Karina Blue female Lucy Red male Eldon Green male Joshua Yellow female Debra Blue male Corbin Red female Brianne Purple female Adele Blue male Aster Red male Monty Green female Leona Green female Kathy

You are given a row of n cards, each with a positive integer written on it. These values are provided to you in an array C n. Two players will play a game, alternating turns. On a player's turn, they must choose either the first card or the last card in the row, remove it from the row, and earn points equal to the number on that card. Design an
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Provide answers based on the following set of training examples Instance al a2 Classification 1 T T + 2 T T + T F F F + F T F T a. What is the entropy of this collection of training examples with respect to the target function classification (2 marks) b. What is the information gain of a2 relative to these training examples (1 marks) c. Why do we
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Draw an activity diagram illustrating the process of designing with use case models.

Using the las vegas algorithm, derive the recursive expression for the number of rounds, f(n) used to elect the president among n people

Figure 1. Dataset 1. (15 points) Please illustrate the k-means algorithm on the dataset in Figure 1 Solutions: 2. (15 points) Please illustrate the k-medoid algorithm on the dataset in Figure 1 Solutions: 3. (16 points) Please illustrate the AGNES algorithm on the dataset in Figure 1 Solutions: 4. (18 points) Please illustrate the DBSCAN algorithm
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ASAP PLEASE 1 point Answer the following questions concerning error detection: Assume odd parity. The single bit parity for the data 01101011 is O 1 O 00010100 O Cannot be determined 2 1 point Answer the following questions concerning error detection: A receiver receives a message containing redundant bits for error checking and uses those bits to
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software engineering In which software engineering process proximity of team members is not necessary? Spiral 2. Waterfall 3 Rapid application development Incremental
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MACHINE LEARNING Suppose a student trained a simple regression model and encountered High Bias problem. What suggestions can you give to that student? a. More training data should be used? Justify your answer with the help of training/testing error rates as a function of training examples. b. Modelling with higher degree polynomials? Justify. c.
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If I am creating a collage in java and am putting all the pictures in one world, how can I put multiple pictures in one world. I know how to put a picture in a world, but not more than one.

Write a proof by induction to show that power(x, n) correctly returns x^n. power(x, n): // Precondition: x > 1, int n >= 0. Assume no overflows. if n = then return 1 else s = power(x*x, n/2) return n%2==0 ? 5: s*x
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Solve this in python. **[70 pts]** You will be writing code for recording the menu items and daily sales of a lemonade stand. It will have these classes: MenuItem, SalesForDay, and LemonadeStand. All data members of each class should be marked as **private** (a leading underscore in the name). Since they're private, if you need to access them from

Program #1: Draw a square, triangle, and octagon on the screen. They should not touch each other or overlap. They should each be a different color. The octagon should be drawn using a while loop. Program #2: Ask the user to type in the following inputs: Number of sides Length of each side - Color of the sides - The pen size Your program should
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attempting to do this in c++, sorry, ignore formatting for now Johns Board Freds Board 1 2 3 4 5 6 1 2 3 4 5 6 1 * * * * * * 1 * * * * * * 2 * * * * * * 2 * * * * * * 3 * * * * * * 3 * * * * * * 4 * * * * * * 4 * * * * * * 5 * * * * * * 5 * * * * * * 6 * * * * * * 6 * * * * * * // trying to print out a battle ship game grid and having trouble just

Complete the get_user_input() function that takes no parameters. It prompts the user to enter a value between 1 and 6 inclusive. While the user enters an invalid integer value, the function informs them that their selection is invalid and prompts them again. Once the user enters an integer value between 1 and 6 inclusive, the get_user_input()
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social login the ability to use an existing idetity from a site like google, facebook, or a microsoft account is an example of which of the following concept

with explaination please 9. [0.5] Show the bit configuration of a 24-bit register when its content represents the decimal equivalent of (295)10 in binary. Note: the register is stored ONLY bits. (295)10=256+32+7=(100100111)2 000000000000000100100101 000000000000000101100111 000000000000000100100111 000000000000000110100101
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JAVA create a class `Mean` that will create an `ArrayList` of `Double` , reading `double` s from the console into it, each on a separate line (until the user types `ctrl-D` , by pressing the control and `D` keys, ( `ctrl-Z` on Windows), to indicate the end of the list), and calculate and print the arithmetic mean of the numbers in this list.

Part C: Simulated Dice In Part C, you will add constants and functions related to rolling dice. Put the constants and functions in Dice.h and the function implementations in Dice.cpp. By the end of Part C, you will have functions with the following prototypes: void diceInit (); int diceRoll (); void dicePrint2and2 (int r1, int r2, int c1, int c2);
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1. The positional encoder in Figure 1 uses Gray code to represent the position of the pointer. E.g. when the pointer is in the 3rd area, the output is 0010. Gray code is one of the codes used in digital systems. It has the advantage over binary numbers that only one bit in the code word changes when going from one number to the next; which
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Using NetBean and keep getting error that the Hw1_1.java can not be found. Please help. thanks Name your source code file Hw1_1.java. Write a program that prompts the user for the name of a Java source code file. The program shall read the source code file and output the contents to a new file named the same as the input file, but with a .txt file

1. (TCO 1) According to your text, the collection of data in a database is organized into _____. (Points : 10) tables files logs records Question 2. 2. (TCO 1) According to your text, in the event of a crash which of the following is of crucial importance? (Points : 10) Backups Log files data files Backup power source Question 3. 3. (TCO 3)

Which of the following is an example of a connection - oriented protocol?

Need help answering these
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Java: Use inheritance to create a hierarchy of Exception classes -- EndOfSentenceException , PunctuationException , and CommaException . EndOfSentenceException is the parent class to PunctuationException , which is the parent class to CommaException . Test your classes in a Driver class with a main method that asks the user to input a sentence. If

Answer the following questions about Aloha (3-5 sentences each): 1.1 What is the window of vulnerability? How does it affect the throughput (i.e., number of packets sent in unit time)? 1.2 Should the slot size in slotted Aloha be longer than L, where L is the transmission duration of a packet? Why?

In this assignment you will work with structs and fileIO to load in employee records from a file, add/delete/modify them, then save them back to the file at the end of the session. While this is not a true database setup, it is a way to persist data from session to session. Main function For this assignment you will use the following main method.

The cursor is a special type of laptop pointing device that allows you to more precisely control the movement of the on - screen pointer. True False
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5. Consider the following formal system Language
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Can someone help me with this? This question is done in Sql plus. -- Q.8a - BAD coding, though there is no syntax errors -- - Can you read and make sense out of this easily? select c.CustNo, CustFirstName, CustLastName, o.OrdNo, OrdDate, p.ProdNo, ProdName, ProdPrice from Customer c join OrderTbl o on c.CustNo = o.CustNo join OrdProd op on o.OrdNo

Q1. how is there numbers less than 200 in the third octet if the mask is /21 http://ccna.exampointers.com/sub.php 95.45.204.0 /21 Subnet Network First Usable IP Last Usable IP Broadcast 0 95.45.0.0 95.45.0.1 95.45.7.254 95.45.7.255 1 95.45.8.0 95.45.8.1 95.45.15.254 95.45.15.255 2 95.45.16.0 95.45.16.1 95.45.23.254 95.45.23.255 3 95.45.24.0

Problem 2 (40 pts) Consider the following market basket transactions Transation ID Items a) Find all frequent item-sets with minimum support 4 a,b.c,d a,b.c,e bcd b,d,e a,c,d c,d a,b,c,d a,b a,b,c,d,e a,c,e b) Find al association rules with minimum support-4 and minimum confidence value > 0.6 4 c) What are interest factors of association rules
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Which term refers to the passage of a packet through a router? hop jump gateway metric
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Which of the following is a true statement for a data flow diagram?

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