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Databases Questions and Answers October 24, 2018

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Comparison gas absorption to the other processes

what is space complexity

check for unique id in data frame in python

in C programming how can we use the box blur for a 3 x 3 png image in a single threaded program

Give a dynamic-programming algorithm for the following scheduling problem:- Consider a set of jobs j1, j2,,jn which are to be executed on a single facility and have execution times t1, t2, ..., tn. With each job jk is associated a function () giving the cost associated with completing the job at time t. Any given order of execution of the jobs

Which of the following is NOT a technique that helps a writer achieve logical relationships between ideas and between sentences and paragraphs.

The heading of a try block can contain ellipses in place of a parameter. a . True b . False

For Case 6 , what procedure codes and modifiers are supported for this encounter? Column 1 / Column 2 Edits Column 1 Column 2 * = In existence prior to 1 9 9 6 Effective Date Deletion Date * = no data Modifier 0 = not allowed 1 = allowed 9 = not applicable 1 7 1 1 1 1 3 1 5 0 2 0 1 2 1 0 0 1 2 0 1 3 1 2 3 1 1 1 7 1 1 1 1 3 1 5 1 2 0 1 2 1 0 0 1 *

The argument below is made by a student who tries to prove a context-free grammar is unambiguous. "For each variable and each symbol, there is only one production rule by which the variable can produce the symbol at the start of the remainder of the string. Thus, in a leftmost derivation, there is only one possible rule to apply at any time. Hence

please please please Answer any 4 of the following questions and take a screenshot of the result from the oracle website for each question: Question 1:- Create a PL/SQL program to check the biggest number between 3 numbers. Question 2:- Create a PL/SQL program to check the grade assuming the total mark is 69. Question 3:- Create a PL/SQL program

Question 3 Show and interpret the linear correlations between 'rating' and each of the four test results (i.e. 'Test 1', 'Test 2', 'Test 3' and 'Test 4'). Marks are awarded for well-designed output and the interpretation of the output. Note: Please Follow the question I need code on Python in Rstudio

i want to delete my cards off the account for payments

i s ( t ) = V D C R { 1 - e - t t o } u ( t ) , where t o = L R [ Why does this solution make physical sense? Without performing any computations, can you do a quick hand - sketch of i s ( t ) versus t ? Why is t o = L R called the "time - constant"? ] In this simulation lab we wish to solve ( 2 . 2 ) , with applied voltage v s ( t ) = u ( t ) V D
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Write an assembly program that copy least significant byte from number1 to number2. . DATA number1 DWORD 12345678h number2 BYTE ? Sample: number1 DWORD 12345678h number2 Byte 78h
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#ifndef COLOR _ FUNCTIONS _ H #define COLOR _ FUNCTIONS _ H #include #include #include using namespace std; const int SIZE { 1 0 } ; struct SentenceData { int numSwapped [ SIZE ] { } ; string sentence [ SIZE ] { } ; int total { 0 } ; vector rvColors; vector rvPhrases; ofstream output; string resultsOriginal; string resultSwapped; string colorFile
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Website related to computer science that uses graphs and shapes answer

Investigate reasons why mobile devices are less susceptible to external attacks when compare to desktop systems. Are there characteristics about these devices that make it more difficult for them to get malware ? Minimum word 125.

Hardware -what is your favorite piece of computer hardware you own -tell why you like this piece of hardware -what is the most interesting piece of hardware that you read about this week...

what is data warehouse? explain the role of data warehouse in decision support system

What Kinds of Problems Do We Solve with Amdahls Law? Let a program have 40 percent of its code enhanced to run 2.3 times faster. What is the overall system speedup S?

Convert the octal number 367.4 to its decimal equivalent. (4) (4 pts) Convert the octal number 367.43 to its decimal equivalent
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While analyzing network traffic, you determine that the MAC addresses and IP addresses are insufficient to fingerprint a device. Which of the following is NOT the best way to identify a device?

Consider a skip list in which we build new towers with probability 3/4. When adding an element to the skip list, we flip two coins at the same time, and repeat this until both coins come up tails. The number of times we toss both coins defines the height of the tower (i.e., if both coins come up tails in the first flips, there will be one node in

Encryption of web applications might use which technology

What information is provided to you after your ping command was executed to answer Q 6 ?

Show how you would implement the functions NOT, AND and OR using only NAND

Write a C/C++ program that determines the amount of time necessary to run a command line and report the elapsed time. Use fork() and exec() functions

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In creating a network diagram, you decide to place a discretionary dependency between Activities C and D in your network diagram. What does this suggest?

( 1 0 pts ) Consider an ISA made up of only the following 1 2 similar - to - LEGv 8 instructions. \ table [ [ ADD R 1 , R 2 , R 3 , / / add contents of R 3 to R 2 and put in R 1 ] , [ SUB R 1 , R 2 , R 3 , / / sub contents of R 3 to R 2 and put in R 1 ] , [ AND R 1 , R 2 , R 3 , / / and contents of R 3 to R 2 and put in R 1 ] , [ OR R 1 , R 2 , R
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Assume X 1 is 1 in binary / hex

Using the substitution method, Prove that the running time of the following recursive relation is O(N) T(n) = T(n / 2) + T(7n / 10) + O(n)

3. What is the configuration of a PDA? (3) b) Using the stack to keep track of either excess as or excess bs, give a transition diagram for a PDA to recognize strings with equal number of as and bs. You may push more than one symbol at a time. (6)

Write each of the following as a C++ expression. a. 3.759.8 b. x - 2y Cw/3 d. -6+ /6 - 4ac 2a e. 1x +2y - 3
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Write an ASM program that uses Index Addressing Mode with FSR & INDF registers and looping implementation to generate a set of sequence Hex numbers (2, 4, 6, 8, A, 4C, 4E, 50)Hex into the memory location (GPR) addresses between 0X20 and 0X47: Use a counter and decrement down to zero

users have no optional to make changes on how a file or folder can be access

a written discussion of both similarities and differences vetween people objects or ideas is called

Which statements are true, relative to RAID 0 , and / or why would you implement it ? Select two.

Three - tier modular application design includes all of the following EXCEPT

Assume that the population of Mexico is 121 million and that the population increases 1.01 percent annually. Assume that the population of the United States is 315 million and that the population is reduced 0.15 percent annually. Write an application that displays the populations for the two countries every year until the population of Mexico

4. A group of students are playing a card game. The game uses a well-shuffled deck of 56 playing cards. 52 of the cards are exactly as described in your textbook. However, there are also 4 Jokers. This means that there are 56 cards: 14 are hearts, 14 are diamonds, 14 are clubs, and 14 are spades. A hand of cards consists of Eight of the cards.

Through python program, create a table and print the values of Variables (d, 1) versus d for 1 d 50

Read two complementary complex numbers and output their multiplication and division using separate functions. Print each of the values in the form a+ib or a-ib. Write C++ program and write algorithm in words for the problem. Note: A complex number a +ib has complementary complex number a-ib.

What technologies support cloud computing? Is there more risk in using cloud-based services than with traditional servers, or less? What role does "big data" play in cloud computing? What legal and ethical issues may need to be addressed as Cloud development moves forward?

Give a linear-time algorithm that takes as input a directed acyclic graph G = (V, E), and two vertices s, t V and returns the number of different directed paths from s to t in G.

Which encryption algorithm uses longer key sizes. Public Key Cryptography Secret Key Cryptography

* * * i need help idk how to do this can you give me step by step with screen shots on how to do this * * Instructions The following exercises will demonstrate your ability to apply Python variables, data types, and operators by addressing the programming problems given to you. Please create the following programs in Python. For each of the
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Using A* Search Algorithm implement some real example like Pac-man or Map Analyzing in Python

Transform the following grammar to the regular expression (a+b) * c + d ? Regular Grammar: A -> aA -> bA -> C C -> cD D -> cD -> dE -> E E ->

mapreduce examples

I. Determine the remainder when 14^(1000) is divided by 13 2. Determine the remainder when 12^(1001) is divided by 13. 3. Determine the remainder when 5'^(30) is divided by 31. 4. Show that 2(5n+1) + 5(n+2) is divisible by 27 for any positive integer n. (use modular arithmetic if possible)

What is one key way that recursive functions and loops are similar? A both loops and recursive functions are intended to run infinitely be both loops and recursive functions must include a break statement or see both loops and recursive functions Involve repetition.

C++ Write a recursive function named isDecreasing that takes as parameters an array of ints and the size of the array. It should return true if the elements of the array are strictly decreasing (each element in the array is strictly less than the previous one), but return false otherwise. You can assume the array contains at least two elements.

DePaul has resources to help students in financial distress, as well as to provide additional tips, tricks, and resources to make sure students are in a financially secure , safe place. Which of the following websites provides this information to students?

5 . Who among the following is responsible for protecting, integrating, and preserving any evidence obtained from a crime scene?

What are the responsibilities of the scrum master

Python For this one use the random library. First, create a function called getRands that will have a parameter called ceiling. Within that function, create a loop that will loop the 10 times and in each loop, it creates a variable that is an integer between 1 and the number in the variable ceiling. Then test if that integers is less than 3. If it

What must a definition include if an external DTD file is used?

the final ACK packet is never received from the remote host. What type of scan does this pattern indicate?

b . Explain the classful route lookup process

Language should be C# Assignment 2: Practice Good Form Specifically, we're going to build "Windows Form Applications (.NET Framework)" as they will appear in the list of available types of Projects we can build. This will be our canvas upon which we will place text fields, buttons, drop down menus (called ComboBox for some asinine reason), and

does an IPv 4 address have a length of 3 2 bits

Source: * Load Test Code Output: Final Assembly [ 0 0 0 0 ] 0 5 9 8 0 F 0 0 0 2 0 0 3 2 0 0 5 0 0 2 6 6 0 0 8 6 0 0 0 0 0 F 3 A 0 0 1 A 0 0 0 ACE 0 9 0 0 1 1 0 0 4 2 0 0 Step 1 : Formatting... Step 2 : Converting numbers... Step 3 : Extracting labels... Step 4 : Substituting labels... Step 5 : Translating to opcodes... Step 6 : Adding Addresses...
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2. Convert the following Decimals into Octal and Hexadecimal (i) 456 (ii) 1230 iii) 1928

SHA - 2 5 6 is considered a hashing algorithm

in datasheet view of the workshops table add a new field named notes with long text data type

1. what is the big o complexity of a function with runtime: 1000N + N/2+log(N)*N 2. what is the big o complexity of a function with runtime N 2 /N+N

Briefly describe how you add to the list, delete from the list, and how to search the list

Which of the following commands configures a router to act as a DHCP relay agent?

charleen attacks and compromises Charleen attacks and compromises a site commonly visited by staff at the company she is conducting a penetration test against. Once she has control of the site, she uses BeEF to hook their browsers. What type of attack has she succeeded at ?

(c) Prove the following assertion using Mathematical Induction. n
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why we cannot use the substitution for converting between decimal and binar number

Python Programming (A simple game) Write a program that asks a user to insert some number of pennies, nickels, dimes, and quarters. First, the program should tell the user how many total cents this is. If the total value of the coins is equal to one dollar (i.e. 100 cents), then the program should congratulate the user for winning the game.

Suppose that the file file "data.txt" contains the following: 1 2 3 4 5 6 7 Write a java code that reads the contents of the file, creates a square matrix with the dimensions nxn where n is the highest number of digits in one row in the file. the missing digits should be replaced by 0, and display the matrix. the matrix should contain the

For the alphabet A={0,1}, define the set S = {all strings over A formed by concatenating 1 or more copies of 0111 or 1101} Use mathematical induction to prove (base case and inductive case) that for every positive integer n, if a string s in S has length 4n, then the number of 1's in s is a multiple of 3. State what you are going to prove in

I will discuss the challenges of heterogeneity as it relates Data Mining. does this sound okay

def kasiski _ diffs ( Y , case = "upper" ) : Y = only _ letters ( Y , case = case ) ctr = count _ substrings ( Y , 3 ) tri _ reps = [ k for k , v in ctr . items ( ) if v > 1 ] diffs = [ ] for tri in tri _ reps: starts = [ m . start ( ) for m in re . finditer ( f ' ( ? = { tri } ) ' , Y ) ] diffs.extend ( [ abs ( x - y ) for x , y in combinations (

Solving Quadratic Equations C++ Modular Programming, Implementing Value-returning Functions, and Implementing Void Functions To facilitate easy program design, implementation and maintenance, especially when writing large programs whose overall task can be disaggregated into several subtasks, a modular design should be used. This is the approach

what is a syn flood attack

WLAN Infrastructure Security 1515 unread replies.1515 replies. You want to protect your wireless network but due to hardware limitations on the access point infrastructure you can only implement one of these protections. Which one would you select and why? MAC Filtering WPA2 (over WEP or WPA) Long (24+ character) passphrase

find huffman code for each character when the text is as follow. I am who I am . I am I am .

6. Scale values should increase from left to right along the x-axis and from bottom to top along the y- axis. 7. Remember to label each axis appropriately and also write the title for the graph

8051 assembly Write code to multiply the contents of the B register by 77. (2 instructions.) Based on your code, in which register would you expect to find the most significant byte of the product? Write code to divide the contents of the A register by 10. (2 instructions.) Based on your code, in which register would you expect to find the

7. [15pts] Prove that the set B - xis a countably infinite sequence of 0s and 1s) is uncountably infinite
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Comments in PHP can be created by using the syntax

an 8 9 year old man returns to the unit after having permanent pacemaker inserted. When connecting

What are the three key factors that you would consider in picking a location for a Network Operation Center? (NOC)? Which of these do you think is the most important? Why? Discuss at least 5 areas of physical security that you would pay attention when constructing a NOC. (For this assignment, you should also consider natural disaster and man-made

What dashboard is available to all users to access? Real - Time Account HTTP Status

C++ Write a recursive function named arrayMax that takes as parameters an array of ints and the size of the array and returns the maximum value in the array. You can assume the array contains at least one element. If multiple values are tied for the maximum, you would still return that value. The file must be named: arrayMax.cpp

Provides an overview of system actors, use - cases, and relationships, visualizing interactions between the system and stakeholders by uml digram

For all files and paths, use the Files and Paths APIs from the java.nio.file package when possible. B The following private fields: 1 A static constant path for the base directories, which are db sub tables relative to the project directory. 2 A path for the flat file, which is the table file structure in CSV format. 3 No fields for the degree,

***The Node class and the Stack class are pre-written, and I've written the Queue class. Thus, all I need is the Main function.*** Node.h: template class Node { private: Object item; Node* next; public: Node(Object newItem) { item = newItem; next = nullptr; } Node(Object newItem, Node* nextNode) { item = newItem; next = nextNode; } void
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Prove or disprove the following statement: The hash function can have an inverse function.

you're working on a system that helps to manage tasks on a todo list. Your job is to implement an endpoint that allows these tasks to be updated. with java and spring boot. Although the solution posted here on cheggis valid, there are three unit tests that are not handled as expected: 1 : expected not found error instead of warning with text:
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During hyperpolarization, the returns the neuron to its normal state

Q1 [10] Again ={x{0,1,2}} Consider the following specifications on fghmagicabort=x
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bst is empty when the root points to null

operating system

The lu function of Matlab does partial pivoting, but we dont know if it does scaled partial pivoting. Can you construct a numerical experiment from which you can conclude if it does such pivoting?

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