Databases Questions and Answers January 11, 2022

Which of the following are true for all regular languages and all homomorphisms? ( a ) h ( L 1 \ cup L 2 ) = h ( L 1 ) \ cap h ( L 2 ) . ( b ) h ( L 1 \ cap L 2 ) = h ( L 1 ) \ cap h ( L 2 ) . ( c ) h ( L 1 L 2 ) = h ( L 1 ) h ( L 2 ) .

Given two sorted arrays of N int values, prints all elements that appear in both arrays, in sorted order. Give the algorithm not code. The running time of your algorithm should be proportional to N in the worst case.

make a program in c++ and start with #include and use cout, cin and dont use print f. Menus In this lab, we are going to make a menu where the user has the option of accomplishing multiple things. You'll be required to use a do-while loop for the menu so that it can loop the options back to the user once a task has been completed. If the user

What does a comprehensive data protection strategy typically encompass? Technological solutions only. Employee training and policy changes only. Secure data storage and transmission, regular data backups, and robust access control measures.

An electronic document that confirms the identity of a website or server and verifies that a public key belongs to a trustworthy individual or company is known as Secure hypertext transfer protocol SSL certificate Network convergence All of the above

Question 4 (20 points) The trace of a square matrix is the algebraic sum of all the elements along the diagonal from top left to bottom right. In MATLAB, there exists a pre-defined function trace that achieves so. Write a function m-file named mytrace that calculates and returns the trace of a square matrix. It returns an empty vector if the input

Write a Java programwhich uses the LWJGL library to draw a window of 640x480 in the center of the screen. Your program should then read in coordinates from a file titled coordinates.txt and draw the primitives in the same window using the algorithms for each primitive as discussed in class. The program should draw the primitives in different

1. populate each table with 10 entries using er diagram below: command(s). 3. Using the MySQL CLI, issue the following SQL queries to test the database. Take a screen shot of each one that you use successfully. a. A SELECT query that outputs the entire contents of a table. b. A SELECT query that outputs only two fields (columns) from all of the

Which of the following statements about BDDs is true Group of answer choices BDDs are limited to representing binary - valued functions. BDDs always result in a unique canonical form for a given function. BDDs are primarily used for representing continuous functions. BDDs can handle functions with an exponential number of variables.

Networks offer many advantages such as sharing resources, providing opportunities, and reducing travel. They can also be a target for mischief and fraud. True False

Program 2: Using a while loop, program this mathematical expression, MUST USE (8.5x n-n i=5

/Is mergesort a stable sorting algorithm? 3. Is quicksort a stable sorting algorithm

what is the meaning of "the learning task"? I have a dataset consist of 4 features all are regression (its a charastrastics of engene) and the target feature is categorical ( type of engen, A, B, C) and I have a question (what is the learning task that can be solved using this dataset)

Question3 Convert the following base-2 numbers to base 10. Show your work. a. (1101011)2= b. (0.10011)2 = c. (110.11100)2

Only parts ii-v, please. Thank you. A palindrome is a string that is the same backwards and forwards. How many binary palindromes are there of length 2n? ii. How many bits would the most efficient encoding of such strings use? (in terms of n.) iii. Develop your own encoding/decoding algorithm where the code uses this number of bits. (Please give a

Description The application you will develop is intended to support clients ability to store notes on server, and to request notes that have certain properties. Client should be able to make the following requests: 1. Setup a connection with the server 2. Send different types of request messages through established connection: a. POST b. GET c.

This slide is from the lectures in the Virtualization Fundamentals Module Given the Below Slide from those lectures: The following is true: There are two port groups shown: the VMNET port group, and the MGT port group. Both Port Groups are assigned to vSwitch 0 There are 4 logical overlays: the VMware Workstation Overlay, and the ESXi Overlay, and

What is the output of the following code snippet? #include using namespace std: int main ) int 31 = 20; if (31

What is the best way to provide encapsulation in C + + ?

The goal of the following exercice is to show that ( ( p - > q ) p ) - > q is a tautology without using a truth table. At each step, identify what law was used to obtain the logical equivalence. ( ( p - > q ) p ) - > q ( ( p q ) p ) - > q By ( i ) ( ( p q ) p ) q By ( ii ) ( ( p q ) p ) q By ( iii ) ( ( p ) q ) p ) q By ( iv ) ( ( p q ) p ) q By (

Given the following two functions, circle all answers that applies. 2 . 1 ) 1 ( ) = 3 2 2 ( ) = 3 8 A: 1 ( ) = ( 2 ( ) ) B: 1 ( ) = \ Omega ( 2 ( ) ) C: 1 ( ) = \ Theta ( 2 ( ) ) 2 . 2 ) 1 ( ) = 2 2 ( ) = 3 8 A: 1 ( ) = ( 2 ( ) ) B: 1 ( ) = \ Omega ( 2 ( ) ) C: 1 ( ) = \ Theta ( 2 ( ) ) 2 . 3 ) 1 ( ) = 2 ( ) = ( > = 1 > 1 ) A: 1 ( ) = ( 2 ( ) ) B:

What kind of data can be lost when a computer is turned off?

Which of the following expressions are (9x^(4)y^(6))^((1)/(2))

Answer question use object oriented programming in java e) Based on the d) above, assuming that the array has 10 object. calculate and display the average of volume of blue and red cylinder object only. **please give explanation for your answer.. QUESTION 4 Given the following information of ThreedShape, Sphere and Cylinder classes. The Sphere and

Microrosoft word porcesrocessing software based on several advantages, however the software does have major drawbacks. discuss any five disadvantages of Ms word?

Prove each of the following statements using a direct proof, a proof by contrapositive, a proof by contradiction, or a proof by cases. For each statement, indicate which proof method you used, as well as the assumptions (what you suppose) and the conclusions (what you need to show) of the proof. 1. For all positive integers , , and , if is

Protecting the host through the process of hardening is a key skill. Develop a plan for hardening for the Windows VM Include at least seven host hardening techniques as discussed in the textbook's chapter. Identify the type of control that you are implementing. Implement the plan. As you go, take instructional notes and screenshots that will help

Explain two different ways, other than by CD, that either you or your relatives can share a software programme to calculate your income tax, with two work colleagues. What is most suitable storage medium for backing up data used by users of application software? Identify one (1) suitable application software and justify your answer in terms of

Can someone tell me the errors in this code: public class DebugOneTwo { public static void main(String[] args) { System.Out.println("Over the river"); system.out.println("and through the woods"); SysTem.0ut.println("to Grandmother's house we go"); } }

Which cloud - computing risk deals with specific jurisdictions and commitment to local privacy? Regulatory compliance Data location Privileged user access Long term viability

Would someone be able to help me please if you could give me the java code along with the chart that is needed i would greatly appreciate that thank you. Perform an experimental analysis to test the hypothesis that Javas Array.sort method runs in O(nlogn) time on average. You should try several runs over many different problem sizes (at least 5

This is a programming exercise. You will create functions that process a corpus of text files to collect statistics, build a simple index as postings, and support queries. For the main analysis you will: i) compute for each unigram and bigram the main IR statistics: collection frequency (cf), document frequency (df), and the (unnormalized) inverse

according to pena and parshall, the five phases of programming are goals, facts, concepts, needs and stating the problem.

What should a security guard refer to in order to find information regarding what evidence is admissible in court?

Please give clear explanation with diagrams and steps For each language, define an NFA that recognizes it and that only uses the given number of states. For this problem, all the languages will use the same alphabet ={0,1}. (a) {s101ts,t{0,1}} (using 4 states) This is just a fancy way of writing the set of strings that have 101 as a substring. (b)

Which art theory addresses installations and performance art

Write a Line class to represent a line in a 2D plane. The class has two data members defining a line, a slope and an intercept . It must not have any other data members. It should have the following public methods: A constructor taking a slope and an intercept value to make a new line A constructor that takes a set of point coordinate values x1,

? ? ? ? ? ? ? ? ? ? ? i s a w i r e l e s s t r a n s m i s s i o n s t a n d a r d t h a t l e t s y o u c o n n e c t m o b i l e c o m p u t i n g d e v i c e s t o p e r i p h e r a l d e v i c e s o v e r s h o r t d i s t a n c e s .

Concatenate firstString with secondString and store the result in the userDate variable. Concatenate secondString with firstNumber and store the result in numberResult. Note: Your code will be tested with more values for firstString, secondString , and firstNumber.

new jobs that have been created due to technology

Calculate how many bits there are stored in a 8 KB digital audio file

Let N=11.13 , Encrypt the message

claras world

a null method does not return a value

which programming language is better to use R or Python?

For Selective Ack ( SACK ) the sender uses the timer for each unacked packet. True or False?

Write a software project proposal to address a real - life problem. The proposal will present the problem to be solved and describe the value and benefits of solving it .

Implement bisection, Newton, and secant methods for solving non-linear equations in one dimension, and test your implementations by finding at least one root for each of the following equations. What termination criterion should you use? What convergence rate is achieved in each case? In python and can it also have a termination criterion. (a) x^3

Download the linked "curvefit.txt" file to your computer and import it into Matlab. (Please note: you must use your Monash login to access this file). Fit a straight line to the data, and find the interpolated value of y when x=14 y= Fit a power model to the data, and find the interpolated value of y when x=14 y= Give all answers to 4 decimal

What organization is responsible for the creating various wireless standards?

What does the following Unix/Linux command do? (sleep 3600; who >> log) &

(1 point) What is the 16-bit hexadecimal representation of the following signed decimal integer? -300

Integer arrays studentGrades and studentAges are read from input. For each element in studentAges

eval ( input ) python

Can the logical implication be reversed?

PART A Decimal to Floating Point Q: 82.5 I have the answer but I want all the work for the question 01000010101001010000000000000000 PART B Floating Point to Decimal Q:01000001110101000000000000000000 I have the answer but I want all the work for the question 26.5

int func(int b, int n) { if (n==0) return 1; else return b * func(b, n-1); } Draw the runtime stack showing the activation records that will be pushed as the result of the call func(4, 4). Show the value of b, n and the return value for each call (dont worry about the return address).

y=-3cos2x Plot all points corresponding to x-int e

Write the algorithm before you write the programming

In C Programming In this assignment you'll write a program that encrypts the alphabetic letters in a file using the Vigenre cipher. Your program will take two command line parameters containing the names of the file storing the encryption key and the file to be encrypted. The program must generate output to the console (terminal) screen as

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What is a pre - created form used for in SharePoint lists?

in c++ write an example of testing your program. Your test should include both driver and stub

Modify Part ( c ) to eliminate the label element and use placeholder text in the input element.

"A house divided against itself cannot stand. I believe this government cannot endure permanently half - slave and half - free". define this stentence

what must you instruct an XML parser to create and use in order to perform an XXE attack

Some systems analysts maintain that source documents are unnecessary. They say that all input can be entered directly into the system, without wasting time in an intermediate step. Do you agree? Can you think of any situations where source documents are essential?

Using Books tables, evaluate the following SELECT statement: Books Tables Dome LANGE NES NBAN where BON Bagh 11-Sep ANTO 10 10 10 3 24 MATLAB trgu 19 14 what will be the output of the SELECT statements? 1- SELECT instr (book_title, 'D') FROM books WHERE price is null; Answer: 2- SELECT length (book_title) FROM books WHERE price 10; Using Books

use java or c++ code (pi = 3.1415926) In 1706, Machin used the formula -16 arctan -)-4 arctan 239 to compute 100 digits of TT. Derive this formula. Reproduce Machin's calculations by using suitable software. Hint Let tan = 1 /5 , and use standard trigonometric identities

Please help arrange it

\\( \\int\\left(5 x^{2}-14\ ight) \\cos (\\pi x) d x= \\) \\( \\begin{array}{l}\\frac{1}{\\pi}\\left(5 x^{2}-14\ ight) \\sin (\\pi x)-\\frac{10}{\\pi^{2}} x \\cos (\\pi x)+\\frac{10}{\\pi^{3}} \\sin (\\pi x)+\\mathrm{c} \\\\ \\frac{1}{\\pi}\\left(5 x^{2}-14\ ight) \\sin (\\pi x)+\\frac{10}{\\pi^{2}} x \\cos (\\pi x)-\\frac{10}{\\pi^{3}} \\sin

writers and speakers must consider the language they use in their work. language includes

Enter deg after any value that is in degrees

In Windows, what is the difference between the boot partition and the system partition?

Explain the concept of a neural network and its applications.

What is the remainder for the following expression (5x^(4)-6x^(2)+9)/(x-5)

Program Organization Create a project5 folder somewhere on a flash drive, onedrive or on your computer. Name your main python file lettergrade-yourlastnome.py, and use your real last name. The program must accomplish all of the following prompt the user for the numeric grade utilize conditionals to determine the letter grade pop-up a graphical

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Discuss the importance of algorithms in computer science.

I have no idea how to solve this.

. Write an if-else if-else statement to print out Excellent if the students score is 90 or above; Good if the students score is 80 to 89; Work harder otherwise. Assume score is an int type variable that has been initialized. in java

Learning Portal Courses - Reports -Services - Academic Departments ETC - CIMS 17 Use the Students table to answer this question: Students Tables tof STUDENT_ID STUDENT_NAME DOB GENDER ALLOWANCE STUDENT LEVEL S100 Ahmad stion 01-May-1995 Male 45 3.Tech S102 Sara 30-Dec-1994 Female 45 Diploma S103 Hisham 01-Jan-1999 Male 90 S104 Faisal 05-Apr-1998

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Preserving digital media is not a goal of computer forensic. Is true or false?

A display screen and a monitor are synonymous terms. Group of answer choices True False

Your Assignment - SpellChecker.java You are to write a program that implements a rudimentary spellchecker. It should use a inner class named Lexicon that is implemented as a Trie. The Lexicon Class A Trie is a tree where every node can have up to 26 children one for each letter of the alphabet. Below is a figure of a Trie containing just a few

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Write a C++ program to display all subsets of a given set of numbers (read about power set of a given set, if you are not familiar with this concept). For an input set of numbers of {1,2,3}, the output should be displayed exactly in the following format using { and }: {1,2,3} {1,2} {1,3} {2,3} {1} {2} {3} {}

c) Compute the DFT of the vector (-3,1,1,-1)

Please write the program in C++ only Here's Project 4 Code that needs to be modified #include #include #include #include using namespace std; //Prototype functions double calcWage(); void getEmployeeInfor(); void printWages(); void printTable(); void loop(); //Defining terms for the program. int id,result; double payRate, hours, wage; ofstream

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What solution is used for 'fixing' the sample? what does it do ?

Develop a brief-mock scenario in which a cybersecurity related threat or attack has been launched against an organization (you can use a real-world cybersecurity threat or attack that has happened in the past, as long as it is relevant). Then, explain how the confidentiality of the organizations digital assets was compromised in some way. ?

Write a recursive method called printLinkedList ( ) that outputs the integer value of each node in a linked list. Method printLinkedList ( ) has one parameter, the head node of a list. The main program reads the size of the linked list, followed by the values in the list. Assume the linked list has at least 1 node. Ex: If the input of the program

Explain why testing can only detect the presence of errors, not their absence .

In Java can toy modify this program so it reada 3 integer values from the keyboard. it should still compute the aum and average and print these. label the output and your source code JUULOU Computation X Compile Undo Cut Copy Source Co public class Computation public static void main(String Il/Define a constant final int NUM_OF_GRADES = 3; //

isolation forest technique's examples

Develop an explainable cyber attack detector via XAI ( an advanced version stemming

Prove that the set of strings over {a,b,c,d} in which the number of as equals the num- ber of bs and the number of cs equals the number of ds is not a context free language

which one of the following types of network topology requires a central controller or hub

Please DO NOT write the code, can you just explain the directions thoroughly l T-Mobile 9:29 AM * 100%) --+ Back Cs202_Project_5.pdf CS 202- Computer Science II Project 5 Due dane (FIXED) Wednesday, 3/6/2019, 11:59 pa Objecaves! The main objcives of this project is to sest your allity to create and use inherinancse with C++classes. A review of

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If r1 = 0FFF16, and r2 = 4, what is the value of r3 after each of the following instructions has been executed (assume that each instruction uses the same data). MOV r3,r1, LSL r2 (OPTIONAL) MOV r3,r1, LSR r2 MVN r3,r1, LSL r2 MVN r3,r1, LSR r2 (OPTIONAL)

Two online companies sell similar products and are competing for increased market share. One of the companies is less honorable so they hire an attacker who launches an attack to make the other company appear less trustworthy and thus a less favorable option from which to buy. What type of attack did the malicious actor most likely launch?

1)(3 pts.) Individuals are diploid having two of each type of chromosome or two versions of each trait. Convention for notation is that a letter is used to represent a trait. The uppercase version of the letter represents the dominant or normal allele, the lowercase version of the letter is used to denote the recessive or abnormal version of the

Match the following Interrupt definitions to the correct item software interrupt as defined by ARM architecture. Answer 1 Interrupt Service Routine ( ISR ) A hardware interrupt that cannot be disabled or ignored by the instructions of CPU. Answer 2 Maskable Interrupt A unit dedicated exceptions management. Answer 3 Interrupt code that services the