S
  1. study help
  2. subject categories
  3. computer science
  4. databases
  5. july 2018
  6. 03

Databases Questions and Answers July 03, 2018

Expert-verified solutions to help you succeed

which of the following is true about search warrants under the fourth amendment

Data Structure in C Complete the stack implementation using dynamic array (vector type) NO WARNINGS #de fine CRT SECURE #include #include typedef enum status (FAILURE, SUCCESS Status; typedef enum boolean FALSE, TRUE Boolean; typedef struct vStack f int top: //this is equivalent to size int capacity; int *data; vec stack; //function prototypes vec
image text in transcribed

AX EAX EXERCISE 8 (4 points) For each instruction in this exercise, assume that AL contains the given contents before the Give the contents of AL as well as the values of the CF, OF, SF, ZF after the instruction is executed All numbers are in hex. (Hint: add AL, 40 will add 40 to the contents of register AL and stores the result back in AL)
image text in transcribed

Three MIT students discovered serious security flaws in Boston's subway fare system. They prepared a presentation for a conference showing the flaws and demonstrating how to generate free fare cards. At about the same time, New York City accused several people of stealing $800,000 from the city's subway system by taking advantage of an error in

Regular programming typically involves compiled languages like C + + , Java, or Swift, where the code is translated into machine language before execution. Scripting, on the other hand, employs interpreted languages such as Python, JavaScript, or Bash, where code is executed line by line without prior compilation. One key difference lies in their

Concurrent programs provide performance improvements even on single processor machines. Group of answer choices True False

Help me with this MATLAB code PLEASE!! You are given an ECG wave-form acquired in Europe (ecg_person_1). The signal has noise and interference. Your mission is to use MATLAB to design any filter or procedure needed in order to deliver a cleaner signal trace where unwanted noise and interference has been eliminated. We show below the complete trace
image text in transcribed

2. (25) Draw the state diagram of DFA Mi for the following language. The alphabet is {0,1} {w w contains at least two Os and at most one 1}
image text in transcribed

Question 1 6 of 9 0 Time Spent 0 0 : 3 0 : 2 6 6 0 A large multinational corporation is implementing a data protection strategy. The company has a complex IT environment with a mix of physical servers, virtual machines, and cloud - based services. The primary concern is the ability to rapidly recover large datasets and applications in the event of
image text in transcribed

5.2 Problem 2: You performed well in you last design assignment at Ford Motor Company, so you still retain your job there. Today your manager asked you to design the switch which starts and stops the car's air conditioning system. The requirement is given as- "....When the a/e button is pushed it should start the a/e, pushing this button for the
image text in transcribed

1.4 Each of the following languages is the intersection of two simpler languages. In each part, construct DFAs for the simpler languages, then combine them using the construction discussed in footnote 3 (page 46) to give the state diagram of a DFA for the language given. In all parts, ={a,b}. c. {ww has an even number of a's and one or two b's }
image text in transcribed

Identify at least four functions performed by the operating system.

When response sets are exhaustive, this means that they don't overlap. all possible answers are included.

**Important** Please use AVR assembly language for an atxmega128U Description: Using PCo PC7 pins (EXT1 connector of the XMEGA128A1U Xplained Pro kit) to drive 8 LEDs. 1. Turn on one LED at a time for 20oms from the LED driven by PC7 to the LED driven by PCo 2. Repeat Step 1 three more times. 3. Turn on one LED at a time for 200 ms from the LED
image text in transcribed

Which statement is CORRECT about clustering methods? Data mining projects rarely use clustering as a preliminary step. We can define and measure clustering accuracy on a unlabeled testing dataset. In a clustering output, each data record belongs to one and only one of the clusters.
image text in transcribed

The device sends the data directly to only the intended ports and category as an intelligent device. This device includes the MAC address in its table; it is called _ _ _ _ _ _ _

Question 1 What format specifier is the best to produce the following output? \ table [ [ Lasagna , $ 1 7 . 9 5
image text in transcribed

3.) True or false? The number of bits that a particular computer uses to represent an int depends on the design of the CPU. 4.) True or false? Python does not know how many times a definite loop will execute when the loop begins.

By using Java OOP language please solve the question below, also please share the code's itself in a digital form so that I can copy the code and study on it. Write a java program that assumes the existence of an interface, CommDevice, with the following methods: - transmit: accepts two string parameters and returns nothing - receive: accepts two
image text in transcribed

Question 6 / 1 5 When a customer tries to check out using his credit card, the charge is declined and he gets upset. The cashier sees that the card expired the month before. What should she say? " I ' m sorry, your card was declined - it's expired. You'll have to use a different card or form of payment instead." "Did you know this card is expired?
image text in transcribed

in Java please 1. P5.5 For some values (for example, 20), the intName method returns a string with a leading space ("twenty"). Repair that blemish and ensure that spaces are inserted only when necessary. Hint: There are two ways to do this. Either ensure that leading spaces are never inserted, or remove leading spaces from the result before
image text in transcribed

Hudson started to develop a program. He has drafted the logic of the code. What did he just do ? Question 4 8 options: Created billable hours Identified functions Developed pseudocode Created a needs analysis

Compute the weakest precondition for the following sequence of statements as used in axiomatic semantics. Show your work. a. a:= (c + 2) / 3 {a 1} b. {P1} x:= 2 * (y - 4) {Q1} {P2} y:= 2 * x 1 {y < 7} Pre-condition for y:= 2 * x 1 {P2} is ___________________ Post-condition for x:= 2 * (y - 4) {Q1} is ___________________ Pre-condition for x:= 2 *

What is the purpose of a public key in asymmetric cryptography? Question 1 Answer a . To generate a digital signature b . To encrypt data c . None of these d . To decrypt data e . To hash data

Question 9 int tab[51: for(int i = 4;i>=0;i-) { tab[i] = 4 -1; cout
image text in transcribed

A policy s grace period is usually no more thanA ) 4 5 daysB ) 1 0 daysC ) 6 0 daysD ) 3 1 days

Question 4 The text describes as unfair in a relationship because the partner doesn't know there's a problem. gunnysacking schismogenesis compromise using scripts
image text in transcribed

This algorithm simulates the addressing system on a computer disc file. The diagram represents a disc divided into 4 quadrants, each quadrant divided into 3 tracks and each track divided into a number of locationsIn these locations are alphabetic characters. These represents the contents of the location not the addresses of the locations. The

usinng x8086 in assembly language: Sort a given array in ascending order using insertion sort and selection sort (Don't copy please)

In which situations would you recommend the leave-one-out method for validation of data-mining results?

every java program consists of atleast one

A method call is a statement that invokes an object's method, allowing the program to perform a particular operation of that object. True O False
image text in transcribed

Use two VMs (Ubuntu server and another Linux), and use your host Windows as your third computer You are to create and apply a firewall rule set on your Ubuntu server and each rule should be commented. Make sure to use variables for the IP addresses in your firewall. It's good practice and if I have to test one or more of your rules, I can replace

2.12 Assume that registers $50 and $s1 hold the values 0x80000000 and OxD0000000, respectively. 2.12.1 [5] What is the value of $t0 for the following assembly code? add $t0, $50, $51 2.12.2 [5] Is the result in $t0 the desired result, or has there been overflow? 2.12.3 [5] For the contents of registers $50 and $s1 as specified above, what is the
image text in transcribed

Intro of computing chapter 1 L={all string with no more then one a} find the grammar (don't use AI tools)

When the following statement is executed, how many bytes are allocated by the system? double foo[20]; double *dptr = foo A. 20 B. 40 C. 80 D. 160

A real estate agency would like to use artificial intelligence to better predict whether a certain customer will buy a specific house, so they can focus their efforts on promising potential sales. Specifically, they want to label pairs of customers and houses according to whether they belong to the target class buys or not. The agency has selected
image text in transcribed

Imagine that an instructor in a college course on computer ethics is using a textbook other than this one but wants to provide this chapter to students as a supplement. The instructor makes a PDF copy of the chapter (not the whole book) and posts it on a public Web site. Is this a fair use? Give your reasoning.

1. Find the regular expression for the following finite automaton using ardens theorem? 8 F
image text in transcribed

Analyze the operation of the circuit diagram shown in Figure 1 below by constructing a truth table showing the logic state at each node of the circuit. Verify that the simplified Boolean expression produces the same output like you have found in the truth table
image text in transcribed

Asas discussed in class, one of the key benefits of IAS is including management of your environment by by the cloud provider, eliminating need for any systems or network

I am only supposed to code within Polynomial.java and not allowed to modify any headers. Just allowed to code inside add, multiply, addTerm, and evaluate. My code outputs polynomials with zero-coefficients. like: 0.0 + 0.0x + 0.0x^3 How can I make it only output 0? File Edit Selection View GO Run Terminal Help Polynomial.java - poly - Visual
image text in transcribedimage text in transcribedimage text in transcribed

2. (50 marks) A string in C++ is simply an array of characters with the null character(\0) used to mark the end of the string. C++ provides a set of string handling function in as well as I/O functions in . With the addition of the STL (Standard Template Library), C++ now provides a string class. But for this assignment, you are to develop your

1 . 2 . 2 : Match the Python terms with their definitions.

Compare an contrast Big Data Analytics Using (a) Splunk and (b) R and Hadoop using coding examples of your choice
image text in transcribed

help me fix this.AFTER THE GAME IS PLAYED the restart game option does not work like after the winner is declared it is suppose to say press 1 to restart but instead it says should have pressed 1 to play again without giving me the option to press1 #include #include #include #include char x, o; char a[9] = {'1', '2', '3', '4', '5', '6', '7', '8',

5. The body of a while loop is always executed at least once. a. True b. False 6. Assume a program has the following variable definitions int a, b = 2; float c4.2; And the following statement: a=b*c; What value will be stored in a? a. 8.4 b. 8 C. 0 d. None of the above 7. What is the value of x after the following code segment is executed? x- 2-
image text in transcribedimage text in transcribed

Programming Language: C++ PART 3: TRUNCATION ERROR (25pts) In numerical analysis, the term "truncation error" is typically related to the error introduced by not using all the terms in a series expansion or a limited number of iterations used in approximations to differential equation solutions. To illustrate this, I would like for you to
image text in transcribed

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 . Content: Elaborate on the problem domain, motivation for the proposed work, proposed solution, and its business value in plain English, avoiding the use of technical jargon.

Java supports many prewritten classes such as Math and the Gregorian Calendar. Explore the Java documentation at http://www.oracle.com/technetwork/java/index.html and find at least three other built-in classes you think would be useful. Describe these classes and discuss the types of applications in which you would employ them. Most computer games

Which scheme of computing cosine scores is more suitable for a positional query of the form t 1 , ? ? k , t 2 - TAAT ( term - at - a - time ) or DAAT ( document - at - a - time ) ?
image text in transcribed

Describe an algorithm(using English and/ or pseudocode) for finding the smallest integer in a finite sequence of positive integers.

Question 9 int tab[5]; for(int i = 4;i>=0;i--) { tab[i] = 4-1; cout
image text in transcribed

By using Rshiny package in R, find shortest path by using BFS and DFS.

Treat Your Own Back is an easy-to-follow book presents over 80 pages of education and clinically- proven exercises. The simple and effective self-help exercises in Robin McKenzie's Treat Your Own Back have helped thousands worldwide find relief from common low back and neck pain. This book helps the reader understand the causes and treatments,

Design class Student to contain student name and birthday. class Student { private: string name; string month; string day; string year; public: ... }; Design class Roster to contain a vector of students. class Roster { private: vector students; public: ... }; In main() read a set of name and birthdays from the file students.in (until end-of-file)

What do we call the rate at which we fail to authenticate legitimate users in a biometric system?

Java or C# Explain with an example how the support for abstraction can improve writability of a programming language
image text in transcribed

(Please use Microsoft Visual Studio 2017 C++ for this assignment) The X, Y & Zilch company manages a paper list of hundreds of their product codes, adding and removing the codes from the list on a frequent basis. The company has hired you to write a program which will allow them to easily, and electronically, manage the list of product codes.

In user interface design, what is a "wireframe"? A . A fully functional prototype B . A visual guide that represents the skeletal framework of a user interface C . A finished design with complete aesthetics D . A back - end database schema

Which of the following describes the process of converting high - level programming code into machine code? a ) Interpretation b ) Compilation c ) Emulation d ) Simulation

What is the default syslog port that QRadar listens on ? Select one: 2 2 5 1 4 6 3 6 6 5 1 4

Given a two dimensional square matrix int[][] arr of size n x n where n could be any integer greater than 1, develop the following methods: 1. public void rowSums(int [] [] arr) that prints the sum of the values in each row, comma separated on a single line. 2. public void columnMins(int [] [] arr) that prints the minimum value in each column,

Please write the Java Code that will execute the array expansion in figure 2.5 below. Note: This question does not require the use of the complete problem solving process. However, your solution should output the values of the array after each step of the expansion process. Please generate a test plan and dont forget the screen captures. Example
image text in transcribedimage text in transcribed

** Write a Matlab code for the pseudo code below ** FrequentWordsWithMRC Algorithm Finding the most frequent k-mers with mismatches and reverse complements in a Text. FrequentWordsWithMRC(Text,k,d) FrequentPatterns ean empty set For i 0 to |Text|-k Patterne the k-mer Text(i,k) Count1(i)-ApproximatePatternCount(Text,Pattern,d) Count2(i)
image text in transcribed

2. (a) Suppose elements (1,3,2, 4,7,6,5) are inscrted in this order into an empty bi- nary search tree. Draw the resulting tree Using the tree you drew in part (a), write down its elements in the order they are visited when the tree is traversed in in pre-order Repcat part (b) for in-order traversal for the same trec Repeat part (b) for post-order
image text in transcribed

using java to write Activity 1. Write a Java program that reads in three floating point numbers and prints the multiplication of the three inputs. The result should have two digits after the decimal point. For example: Please enter three numbers: 4 9 2.5 The multiplication is 90.00
image text in transcribed

In java please. Show code and required output. Shopper, grocery item and grocerybag class are given. When the window first opens, it should appear (1) with all buttons disabled, (2) the Products list populated with items, (3) the Shopping Cart and Contents lists should be empty and (4) the Total Price should appear as $0.00, aligned to the right

please add comments when possible. Objects Lab Write a class "Book" to model books. This book object will have two instance variables: a title (String) and authors (Array of Strings). Write a default constructor which sets title to "Test" and authors to null. Write a constructor receiving values for these fields. Lastly, implement getter and
image text in transcribed

(Using Matlab please)Given the vector x = [17 ? 3 ? 47 5 29 ? 37 51 ? 7 19], create a script that will rearrange this in descending order of the numbers in the vector, with all the negative numbers first. That is, the output should be y = [?3 ? 7 ? 37 ? 47 51 29 19 17 5]. The script should be written to work with a vector of any length. If the

CASE STUDY The UK Network Rail power surge On December 1 9 , 2 0 1 9 , the United Kingdom's Network Rail sent out a series of tweets detailing a signalling control issue that halted rail services the previous day for over an hour. The Southern Rail, which handles over 7 , 0 0 0 passenger and freight services daily, experienced a 2 0 - second power
image text in transcribed

Ques-2 1. Write a PL/SQL block to produce a list of available vehicle license plate numbers. These numbers must be in the following format: NN-MMM, where NN is between 60 and 65 , and MMM is between 100 and 110. Use nested FOR loops. The outer loop should choose numbers between 60 and 65. The inner loop should choose numbers between 100 and 110,
image text in transcribedimage text in transcribedimage text in transcribed

List the differences between Connection oriented and Connectionless service. Which service is more reliable and why? Explain.

Six data registers are loaded in the following way: DO contains $00000190 D1 contains $00000640 D2 contains $FFFFFC18 D3 contains $000186A0 D4 contains $FFFFFE0C D5 contains $000009C4 What are the results of DIVU D0, D1, DIVS D2, D3 and DIVS D4,D5. Explain your results in detail .

realizing a 4-variable function using 8-to- 1Multiplexer F(A, B, C, D) = A'B'C'D+A'B'CD'+A'B'CD +A'BC'D'+AB'C'D' AB'CD'+AB'CD+ABCD
image text in transcribed

Prove that if f(n) = n^2 ln n + 15n ln n + 4096n^2 - 397n, then f(n) = O (n^2 ln n)
image text in transcribed

MATLAB CODE PLEASE :) 2 Problem 2 Implement Simpson's rule N 33 2 N-1 k-1 k-1 for an odd number of points N to compute the integral 12TT e cos(z)da 0 2 Problem 2 Implement Simpson's rule N 33 2 N-1 k-1 k-1 for an odd number of points N to compute the integral 12TT e cos(z)da 0
image text in transcribedimage text in transcribed

Explain Artifical intelligence ( AI ) , explain the definition, core concepts, machine learning, and the deep learning.

Create a circuit schematic diagram in Multisim for the Bipolar Coding technique either RZ, NRZ, AMI, or Pseudoternary (you can use different components, Logic Gates, Encoder, etc.). Simulate with different Input (series of ones and zeros), graph, and provide the output screenshot.

Please Explain at least one of the exercises: int a = 10; int b = 20; int* p1 = &a; int* p2 = &b; a++; p2++; Using the code above. Suppose the variable a lives at memory address 128, and b lives at the memory address 256. The size of an integer is 4 bytes. After execution of the above code, draw boxes for each of the 4 variables a, b, p1 and p2,

What are ASCII and Unicode? They are techniques for storing negative numbers in memory. They were the first general purpose computers. They are encoding schemes that allow characters to be stored as numeric codes. They are popular microprocessors.

JDBC JAVA!! Create a unique listing of all jobs that in department 80. Include the location of the department in the output. SQL> DESCRIBE EMPLOYEES; Name Null? Type ----------------------------------------- -------- ---------------------------- EMPLOYEE_ID NOT NULL NUMBER(6) FIRST_NAME VARCHAR2(20) LAST_NAME NOT NULL VARCHAR2(25) EMAIL NOT NULL

Create a conceptual ER diagram given a set of functional requirements like a picture that i attached Consider a CONFERENCE_REVIEW database in which researchers submit their research papers for consideration. Reviews by reviewers are recorded for use in the paper selection process. The database system caters primarily to reviewers who record
image text in transcribed

The main entity would be "ByzanDigital", which represents the project being undertaken by the government to promote digitalization in Byzantine. This entity could have attributes such as the project name, the date it was established, and the head of the project (i.e. the Prime Minister). Another important entity would be "Sector", which represents

Prepare a two - page outline that defines inline and passive IDPSs, the hardware required, advantages and disadvantages of each, and situations in which one type is preferred over the other.

QUESTION 13 Given the following code, what is the value of shippingCharges if numOfltemsBought 6 after the statements have completed executing? f (0 20) x=2*x; y=y12. else x=y|x; QUESTION 15 What is the output of the following statements? int myNum 10; int yourNum 30; if (yourNum % myNum--3) yourNum 3; myNum 1 else if (yourNum % myNum--2) yourNum
image text in transcribedimage text in transcribedimage text in transcribed

Consider a list such as: [ 1 , 2 , 4 , 1 , 6 , 8 , 2 , 3 , 5 , 4 , 9 ] We wish to identify the sum of the numbers in the contiguous subsequence of the list that is in non - decreasing order which produces the maximum sum. Specifically, the above list has multiple contiguous subsequences that are sorted in ascending order, and for each of them we

1. Create 2 trends from Google Trend using Big Data Management keywords 2. Identify 2 trend analysis tools (besides Google Trend) 3. Choose 1 of the tool and create 1 Big Data Management trend

Chapter 6 Stacks, Queues, and Deques On Page 227, Section 6.1.1, implement the Stack Abstract Data Type. That means implementing all the 5 functions and run your codes on Example 6.3. Your program should print out that table in Example 6.3. Stacks are the simplest of all data structures, yet they are also among the most important, as they are used
image text in transcribed

COT 3100 Intro. To Discrete Structures Problem 1: Assume that n is a positive integer. For each of the following algorithm segments, how many times will the innermost loop be iterated when the algorithm segment is implemented and run? (5 points for each) 1. for k-1 to n for j1 to k for i:- 1 toj [Statements in the body of the inner loop, none
image text in transcribed

This question is regarding Computer Security; Cyber-attacks have changes their tactics and targets to carry their attacks. Simple script kiddies attacks to fulfill their curiosity have turned into Cyber criminals, Cyber Warfare and Cyber Terrorists. Their motives vary from curiosity, financial, political, or revenge, but they all have some levels

Please answer the questions as soon as possible . Thank you . Question 3 Not yet answered A one-dimensional array is stored as Marked out of 1.00 [10,2,11,8,1,4,5,6,21,7,9,3] If the base address is 100 , the size of each element is 4 and the lowest index is 0 , calculate address of element at index 10 . Flag question Answer: Question 4 Not yet
image text in transcribed

Define a type float variable and a type double variable and set both of them equal to 1.0/3.0. Print out a line displaying the float value three times using 4, 12 and 16 digits to the right of the decimal place. Then print out a similar line using the double value instead of the float value. ( C programming)

6. Rewrite the following code to force the synthesis tools to share hardware resources. Draw the logic circuit synthesized from the codes before and after applying the resource sharing. signal cntrl : std_logic; signal cntrl, a, b, c, d, e, f, z, temp_1, temp_2: std_logic_vector (7 downto 0); begin process (a, b, c, d, e, f, cntrl) begin if
image text in transcribed

class Dog: def __init__(self, n): self.name = n def bark(self): print(Woof!) def speak(self): print(Im + self.name + the talking dog.) Now that weve created the blueprint for a Dog object, how can we make all the talking dogs we want in Python? Take me through the process step by step.

public class Exercise 0 2 _ BoardingGate { / * Local Jetways is a regional airline operating at local airports. They use a basic passenger manifest to represent seat occupancy on their plane. Each passenger seat is represented as an element in a boolean array. A value of AVAILABLE ( true ) indicates that seat is currently available. A value of

Convert (and simplify if possible) the following sentences to Conjunctive Normal Form (CNF): 1. (P Q) ((Q R) (P R)) 2. (P Q) (P R) 3. (P Q) (P Q) 4. ((P Q) Q) P

In the context of computer and network security, _ _ _ _ _ refers to the accuracy of information resources within an organization.a . integrityb.availabilityc.validityd.confidentiality

Comments in PHP i )Single Line Comments Comments that do not exceed the length of a line. These comments begin with // ii) Multiple Line Comments-Comments that may exceed the length of a line. These comments are enclosed between #* and */

Please help with writing part 2 of this Java program? Put your name as a comment on the top of the class. Import the scanner package. Write the name of the class, perhaps YOURNAME_ Lab1. Write the main method header (public static void main(String[] args)). Inside main, create the scanner object using System.in as the parameter. Ask the user to

Showing 800 - 900 of 1500
  • 9 / 15