Databases Questions and Answers August 18, 2021

please provide its worst case running time and its asymptotic tight bound :) procedure P3( integer n); for i:=1 to n loop x:=n2; while x>0 loop x:=x2i end loop; end loop; end P3

some web pages are invisible. why do these pages exist?

Section : 1 of 1 Question : 2 of 7 Marks for this Question : 10 Upload answer sheets Construct an NFA-Epsilon for the RE a(a+b)'a.and also convert the NFA- Epsilon into minimal state DFA

This is for Python Hint: Mod (%) by 10 gives you the rightmost digit ( 126 % 10 is 6), while doing integer division by 10 removes the rightmost digit ( 126 // 10 is 12). This function has to be recursive; you may not use loops! This function takes in one integer and returns one integer. def count7(N): N: a non-negative integer # Your code here 1

Use Boolean algebra to simplify the following expression ABC ABC BC

26 Not yet answered Computer hardware consists of ... 1. input device. ii. secondary storage device. iii. output device. iv. communication devices. v. Central Processing Unit (CPU) and Memory. Oi, ii, iii, iv and v. Oi, ii, iii, and iv. Oi, ii and iii. O ii, iii and iv. O i and ii. Marked out of 0.50 Previous page Flag

Three of these choices are key concept in IoT tech. Which is not?

List at least three issues of Dennard scaling when the gate length approaches sub - I 0 0 nm region

( 1 5 % ) Bill is having dinner at a bar, where he will order many small plates. There are n plates of food on the menu, where information for plate i is given by a triple of non - negative integers , s i : the plate's volume v i calories c i and sweetness s i i n { 0 , 1 } ( the plate is sweet if s i = 1 and not sweet if s i = 0 . Now, he wants

Inode parsingtexrortopicorsentimentorn the VTA pipeline, what node directly follow the concept node ? Data

i need help getting the output format correct on this problem Write a program that asks for a student's name, their ID number, three assignment grades and two exam grades. Assignments are worth 40% of a student's grade and exams are worth the remaining 60% of their grade. Once the user has entered all the information, provide an output that

Problem 2 ) Once again, consider the Taylor's series expansion for t a n - 1 x : t a n - 1 x = x - x 3 3 + x 5 5 - cdots = n = 0 ( - 1 ) n x 2 n + 1 2 n + 1 a ) Write a user - defined function that determines t a n - 1 x using the above Taylor series. For function name and arguments use y = atanTaylor ( x ) , where the input argument is x and the

In this problem, you will be given a string that is a combination of letters and numbers. Return a new String that has all of the numbers removed, and contains letters and spaces. For instance, if you have the string: "I W4nt 2 Br3ak Fr33" return the string "I Wnt Brak Fr" Please someone help me!!!!!!!!!!

C++ using loops Range Sum - Even / Odd #Brady: Write a program to sum up either all the even numbers or all the odd numbers from 0 to N where you will prompt the user for the word 'even' or 'odd' and the value of N. Test your program with 'even values to 190' then with 'odd to 155'. You will enter the word 'even' or 'odd' and a value for N. Print

Database systems Please solution as soon as possible Consider the relation R (A, B, C, D, E, F, G, H) with the following functional dependencies: AB CH CF DE C,F EG GD Does the ration R in 3NF? If it does not, then convert it into 3NF

which of the following strategies is most effective for reducing the length of responsive generated by a language model without significantly compromising on the quality of the response

I need to create a function that replicates Python's filter function # This method creates a new Dynamic Array, where the value of each element is derived by # applying a given map_func to the corresponding value from the original array. # It works similarly to the built-in Python map() function. def map(self, map_func) -> object: """ Create new

The detailed work of producing an operational plan is primarily done by the staff Str volunteers board members the chief executive officer

write a octave programming Code for Laminated Composite Structures

Consider the following instructions for ix to x+3 do vi for j1 to y do vvi end for print v end for [NOTE:The statement ix replaces the old value of the variable i with the result of evaluating the expression x. For example, if i initially contains 7 then the statement ix+1 results in i containing 8.] Which of the following cannot be produced by

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3. Write an executable script file (m-file) that takes no input and creates a table of temperatures in Celsius and the respective conversion in Fahrenheit for -20C to 110oC with 10C intervals. (Note: display each temperature with two decimal digits). (Name your m-file >>> CtoF19.m) c)

The Uniform Resource Locator or URL is not the "address" of a computer connected to the Internet. While surfing the Web. True False

Q 1 0 : Which user attempted the login process using the su command?

A data store is said to provide read-your-writes consistency if a read operation is always completed before a successive write operation by the same process. a. true b. false Objects encapsulate data and operations on that data, so they cannot be safely replicated. a. true b. false In general, a data store is said to be sequentially consistent

consider arrays of integers A and B each with n items . write a function called Add 2 arys in C / C + + / JAVA / Python such that C = A + B

PROBLEM IS C++ Step 1 The Char Type Create a complex type called Char that models the primitive type char. In your class you are going to want to have the following constructors: Char Class Methods C++ Java Description Char() Char() Default constructor that sets the data section of the class to null (binary 0) Char(char c) Char(char c) Overloaded

This question is to be solved in the coding language Scheme. Thank you! 2. Familiarize yourself with the following Scheme procedures 1. (string-length "abc") produces 3 2. (string-length "") produces 0 3. (substring "hello world" 0 5) produces "hello" 4. (string=? "hello" "good bye") produces # 5. (string-ci-? "hello" "HELLO") produces #t 6.

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The terms 'folder' and 'directory' are synonymous in terms of the file system. true or false

4 . 3 . 4 First, read the first floating - point number from input. Then, read the remaining floating - point numbers while the floating - point numbers are in the range - 5 . 0 to 4 0 . 0 , both exclusive. Output the total number of floating - point numbers read in the given range, including the floating - point number that causes reading to

1. Write a function that takes 3 parameters and prints out the 3. is out the 3 parameters in descending order. Assume that only integers will be passed as parameters. 2. Write a script that takes a user's name and age as input and tells me what year they were born in. Please print the output as one result (my name is _and I was born in 3. Create a

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C++ DATA STRUCTURES 9. Show your reasoning, use human-oriented units such as hours, months, o:r years rather than enormous numbers of seconds. State any assumptions that you make in answering these questions Using the O() notation, and N to represent the number of data items involved, what is the speed of i. Insertion sort ii. Merge sort iii.

use easy English and make soft projects customers that would like to try someting new. To make a suggestion, your software need to capture photo of the customer, ask for length, color, style she is interested in , addition to the things that she would definitely not interested in . Based on the given answers, your system should create a list of 2

ASSIGNMENT TASK SCENARIO You are employed as a network consultant at Computer Systems and Networks Design Consultant. An e - commerce business organisation is going through a major transformation because of its expansion. The expansion is due to merger of two smaller businesses to the organisation. Now, the organisation is moving to a new building

draw a flowchart on raptor To determine and print the minimum number of currency notes of the denominations: $ 1 , $ 5 , $ 1 0 , $ 2 0 , $ 5 0 , $ 1 0 0 , $ 5 0 0 and $ 1 0 0 0 required to pay any given amount.

Can you make a Connectionless Protocol reliable? Why or why not? If so, how? I mean TCP is connection oriented and it is reliable( by the properties reliability is that it can detect an error by SYNC and ACK signals from source to destination), but UDP (Connectionless) is unreliable because it cant detect errors in the transport layer. So, need

Write a C++ loop for the following question. USE OF LOOPS, ARRAYS, AND FUNCTIONS IS NOT ALLOWED Version= pre-standard version. Assignment 3 - 0 X F C classroom.google.com/u/1/c/NjAxNTk4MDk3MDNa/a/NjIwNDc1NTE1NTBa/details 5. (25 marks) The below mentioned figure shows a General diagnosis flowchart for troubleshooting HP servers . Use the flowchart

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PLEASE DO THIS IN LABVIEW AND NOT IN MATLAB!!!!!!! 1. generate a random set of data 100 points long between 60 and 80; these will be understood as temperature samples in Fahrenheit units 2. Plot this data set on a graph on the front panel (label axes appropriately) 3. Take the mean value of this data and display this average on the front panel

2.29 LAB: Simple statistics Part 1 Given 4 integers, output their product and their average using integer arithmetic. Ex: If the input is: 8 10 5 4 the output is: 1600 6 Note: Integer division discards the fraction. Hence the average of 8 10 5 4 is output as 6, not 6.75. Note: The test cases include four very large input values whose product

Which of the following statements is not true of internet 2 ? Question 2 0 options: It is a new generation of internet technology based on fiber - optic cable. It utilizes technologies that give it a speed and capacity far exceeding the current internet. It has taken a backseat due to the discovery of broadband connections. It is at least 1 0 0 to

7. a. Design a recursive algorithm for computing2 for any nonnegative integer n which is based on the formula: 22 b. Se t up a recurrence relation for the number of additions made by the algorithm and solve it. Draw a tree of recursive calls for this algorithm and count the number of calls made by the algorithm. c. d. Is it a good algorithm for

.'ll AT&T 1:55 PM 78%) 381 TEST 1 DOCX-37 Close 33. Prototyping using COTS software is sometimes the quickest way to prototype but can be expensive? a. True b. False 34. Data flow diagrams are data processes and flows graphically characterized and depict systems inputs, processes, and outputs a. True b. False 35. The advantages to the Data Flow

Identify the constructor in the statement SurveyData newData = new SurveyData();. O SurveyData(int data) SurveyData() new late

PERSON: Iname, fname, rname, idnum, private, linkblue lname, fname, rname are variable length strings idnum is type INT and is a key attribute private is BOOLEAN linkblue is string of 8 characters ADDR: idnum, adtype, streetaddr, city, state, country, zip idnum is a foreign key to PERSON.idnum adtype is a string in the set {"bill", "permanent",

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Problem 8 . Let G be the graph in Problem 5 . ( 1 ) Draw the spanning tree of G obtained by the depth - first search with the vertex ordering 1 , 2 , dots, 2 5 . ( 2 ) Draw the spanning tree of G obtained by the breadth - first search with the vertex ordering 1 , 2 , dots, 2 5 . 1

python 1. Start off by creating a variable called balance. Get the users current balance and store it in this variable as a float. 2. Next, create a variable called interest_rate. Ask the user for the interest they earn yearly on their balance and store the rate as a float. The interest rate should be entered as a decimal (i.e. for 7%, enter

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History of the semantic Web

1. For the following set of sample data, compute the standard deviation and the mean. (-6,-12, 8, 13, 11, 6,7, 2,-6,-9,-10, 10,9,2) Mean, = LEM Standard deviation = 1-1

A photocopy machine copied 50 pages in 1.5 minutes. At this rate, how long will the machine take to copy 90 pages

Write a Java program that has 3 Methods: The first method will be called CallFibor Fac It will receive a single string as a parameter. If the string is "Fib" it will call the second method called Fibonacci If the string is "Fac" it will call the third method called Factorial The Second method prints the first 10 numbers in the Fibonacci sequence.

Draw ER diagram with cardinality panel. Purchase order in Al - Quds university: The system has some data about the supplier and their branches. These data are: Supplier name, supplier address and each supplier has at least one branch, for each branch has a name, address, phone, email and contact person. In PO system we have a simple database for

NOTE: plss DO IT IN 45MINs plsss i will give UPVOTE definetly!!! its OPERATING SYSTEM theory question plss do it in 45mins whatever you completed in 45mins you can send it. ITS VERY IMPORTANT!! you can decrease steps or whatever to send it on time!!!! A process contains nine virtual pages on disk and is assigned a fixed allocation of three page

What is the difference between a static data member and an instance data member? Declare a unique class ( i . e . , different from a classmate's posting ) that contains an instance data member and a static data member ( in the same class ) . Explain how each of the members is used in the class.

Given the expression tree below, answer the following four parts. What is the infix expression represented by the tree. What is the prefix expression represented by the tree. What is the postfix expression represented by the tree. Calculate the value of the expression. Description of tree: ( starts at node % ) ( branches from node % to node - ) (

About insertion sort an array A of n integers: ( a ) Prove by induction that insertion sort correctly sorts n integers. 6 % ( b ) Let a i be an item in A , and k i be the rank of a i ( means that a i is the k i th largest integer among all integers in the array ) . We don't know what k i is , but we do know that a i stored in A [ I i ] and | k i -

Cloekt Cloek ( int, int, int) etTire(int, int, intjt void getHour printTime voia int int teqran le (Clock)boolean 46. According to the UML class diagram above, which of the following is a. ClockO _ data member c. min d. Clock b. According to the UML class diagram above, which method is pablic and doesn't return anything? a getCopyO b. setTime(int,

10. (8pts) What is the AISC-V assembly code and machine code for the following statement? A=b(201. // Astume A is in 10 and base register for b is x11. Hint: inary refer to green card for instructlon format and opcode, etc

9) Traveling salesperson decision problem: Show that the traveling salesperson decision problem is NP-complete by proving that the Hamiltonian cycle decision problem reduces polynomially to it. The definition of Hamiltonian cycle decision problem can be found in almost any textbook on algorithms

c) Show the required operations

Q4.1 combinations 1 Point If I have a 22 grid of squares and each square can be filled with a letter from to z, then how many unique ways can I fill in the grid. (your answer should be a number, dont use commas or any separators between digits) Q4.2 combinations 1 Point If I have an nn grid of squares and each square can be filled with k different

C++ please B main. ccx B Movie.ccx B Movie.hx B Book. hx 1 9#ifndef BOOK H #define BOOK_H class Book { JOGOO voow public: Book (int=0, string="", string=""); Book (const Book&); Book(); string getTitle(); string getAuthor(); void print (); private: int id; string title; string author; }; AN #endif Q#ifndef MOVIE H #define MOVIE H #include "Book.h"

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First, read the first floating - point number from input. Then, read the remaining floating - point numbers while the floating - point numbers are in the range - 5 . 0 to 4 0 . 0 , both exclusive. Output the total number of floating - point numbers read in the given range, including the floating - point number that causes reading to stop. End with

1. Consider two different implementations of the same ISA The characteristics of each implementation are as follows: Machine Alpha: Machine Beta: Instruction Class CPI for Class Instruction Class CPI for Class a) The same compiler was used to execute a program on both machines. The number of instructions in this particular program is divided

The XYZ Computer Company made a commercially-unsuccessful computer which used 19-bit memory words. It used the 2s complement system. It had a single 19-bit register. A display on the operators console showed the contents of the register in hexadecimal. (a) How many hexadecimal digits did the display show? (b) What did the display show when the

software testing. (a) Draw the DD graph for the program. (b) Calculate the cyclomatic complexity of the program using all the methods. (c) List all independent paths. main() int num, small; int i,j,sizelist, list[10],pos, temps clrscr(); printf(" Enter the size of list : "); scanf("%d",&sizelist); for(i=0;i list[j]) { Small-list[j]; pos=j; } 6. {

Considering Jacob Neilsen's heuristics for the attached website snippet: a . ) Identify and describe how any two of those heuristics are not considered. [ 5 marks ] b . ) Explain how you would rectify the problems mentioned in 1 ( a ) . [ 5 marks ]

code Text Copy to Dive E 1 2 . In the United States of Pretendistan, income is taxed as follows: ifyour income it at most $ 2 0 , 0 0 0 per year, you pay 5 % of your total income as tax otherwise, you pay 8 % of your total income as tax Complete the function compute _ tas that uses an if - statement to compute and return the total tax due for the

Can someone help me explain this proof? ESSAY. Write your answer in the space provided 6) Prove that if x is irrational, then 1/x is irrational

Assuming an exam collection containing questions with 'topic', 'question', and 'pointValue' fields, which most accurately describes what the following set of commands do ? let stage 1 = { $match: { topic: "MongoDB" } } let stage $sort: pointValue: - 1

The viewer of an OLAP report can change its format. Which term implies this capability? ( TCO 3 and TCO 4 ) Group of answer choices processing analytical dimension online

Change the password for the afuentes user account to LinuxRocks!. Rename the sales group western _ sales. Set the umask value to 0 0 0 7 . Move the confid _ wh file in the jbarrera home directory to the hrickman home directory.Change the password for the afuentes user account to LinuxRocks!. Rename the sales group western _ sales. Set the umask

[ 1 0 ] Using properties of Boolean algebra, simplify the following Boolean expressions so they could be built with the minimum number of gates. These examples may help you with simplifying the longer expressions. Remember that A and B can be replaced with any Boolean expression. a . x 1 = A + A B b . x 2 = A ' + A B c . x 3 = A ' B + A B d . , x

Problem 4 Define absolute addressing versus relative addressing modes What is a word-aligned address and bye-aligned address? What is the range for branch instructions? (ie how far can it go from the current PC) What is the range for j/jal instructions? What is the range for jr instructions? How would you jump to an instruction that is 257MB above

USE PYTHON LANGUAGE def maximum(self) -> Optional[int]: ""Return the maximum number in this BST, or None if this BST is empty. Hint: Review the BST property to ensure you aren't making unnecessary recursive calLs >>> BinarySearchTree(None).maximun() True is None # Empty BST >> BinarysearchTree(10).maximum() 10 >>> bst = BinarySearchTree(7) >>>

Consider the following data sut about WILP students of BIFS. Find out the similarity and dissimilarity for each attribute in it Show detailed calculations. \ table [ [ Id , Name,Grade - Midnem,Grade - Compre,Grade Assigned ] , [ 1 , John, 1 0 , 8 , Fair ] , [ 2 , Sturgi, 8 , 6 , Excellent ] , [ 3 , lohn, 1 0 , 6 , Cood ] ]

5 4 3 3 1 6 . 3 2 7 1 4 4 0 . q x 3 z q y 7 Jump to level 1 Integers numPeople and roomCapacity are read from input. If numPeople is 9 0 or less, assign roomCapacity with roomCapacity minus 9 0 . Ex: If the input is 9 0 2 7 5 , then the output is: 1 8 5 #include 9 0 =

in C++ code only please also include the interative code for the pascal traingle too Task 0: Modify your Lab1 function so it only contains the code necessary to generate the Pascal Triangle iteratively (still using a dynamically allocated 2d array). Take out any input/output statements (cin/cout), so they don't affect time measurement in Task 2.

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fivex Given a list of int values. Write a foreach loop to build and return a new list of those values multiplied by 5. Run code def fivex(num pass : count_xyz Given a list of strings, return the count of the number of strings which contain a lowercase X'ory' or 'Z'. Solve with a loop with an int "count variable. Run code def count_xyz(strs): pass!

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3. Write a function that decides whether a number is a prime or not. A prime number is a number that is divisible only by 1 and itself. The function prototype is int > is_prime (int n). The function returns true if n is prime and returns false otherwise. Write another function that displays all prime numbers less than or equal to a number. The

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What is written by the following algorithm?

Bayesian inference differs from bootstrapping in that Bayesian inference analyzes multiple possible trees rather than just one bootstrapping is a statistical method for evaluating trees bootstrapping analyzes multiple possible trees rather than just one Bayesian inference relies upon a specific evolutionary model

Question 1 7 How many times will the print statement execute?

QUESTION 3: [6 POINTS] A- [4 POINTS] Apply heap sort in the following array and show your work over the tree you build. Show all your steps. 18 13 11 7 14 10 4 25 5 B- [2 POINTS] How many times the max-heapify function is called through the entire sorting

Personal Data Protection Act ( PDPA )

4. (6 points) Let G be a connected weighted graph with n vertices and which has nonnegative edge weights. Describe a modification of the Bellman-Ford algorithm which identifies all single-source shortest paths of length k (for some fixed k < n) but which has a lower runtime than the standard Bellman-Ford algorithm.

Please answer all the following questions When streaming video what happens to the packets in the buffer if you re-position ahead? A) dumped B) re-transmitted C) saved for later D) none of these Voip uses a variety of ________ to compress and decompress voice data, allowing it to travel efficiently over the internet. A) streams B) codecs C) colors

Fifty or 60 years ago, most peoples paychecks were produced by hand; now it is most likely that yours is produced by a computer, or not printed at all but deposited into an account electronically. Thirty-five years ago, most grocery store checkers keyed item prices into the cash register; now it is most likely your items are scanned. Police

The STL algorithms work directly with Group of answer choices functions that are defined for containers the elements in a container all of the above a half-open interval thats defined by iterators

Consider the following sequence of operations. MAR = PC M/R signal MBR = Mem[MAR] IR, MAR, IBR = MBR PC ++ Which one of the following is a possible operation performed by this sequence? Select one: Instruction fetch Operand fetch Conditional branch Indirection Cali interrupt handler none Instruction Execute

Due: Before the beginning of the next lab abo ono No ono late laso labs was will be accepted. Please note that the assignment submission folder will be unavailable after this time. 1. Run and test the following program. if (oumene > numwer) / * This program will find the smallest and the largest number of the numbers the user entered. */ 3

Which of the following best describes the practice of technical writing? It is the practice of communicating complex information to a specific audience who will use it to accomplish a task accurately It is the practice of using technology to share information over digital mediums It is the art of using modern technologies to share information in a

Question 9 You have recently downloaded a file from the internet, and your antivirus software has flagged it as potentially harmful. During a comprehensive analysis, the software is examining the file's behavior, code structure, and potential threat indicators to determine if it poses a risk to your computer. What type of analysis is the antivirus

Assignment Description: Implement a MIPS assembly language program that defines main, readArray, printArray, and swapElements procedures/functions. The readArray takes an array of integers as its parameter, reads in integers from a user to fill the array and also print each value as long as it is with the number of elements specified by the

please help c) In the scenario shown below, PC B is not able to connect to the Server or PC [3] C. What can be the probable media related problems that's causing this issue? PCC PCA Switch 1 Switch 2 Server PCB

ll Lxam Review Group 8 Mel MWSG Network Consulting Congratulations!!! You have just been hired on as a Network Specialist by MWSG Network Consuliting The police have asked for the wireless support staff for Melville's Coffee Caf to meet with them; you are sent on behalf of MWSG as their representative. Apparently thre Caf have had their identity

(a) Write a code in C++ to perform operation of Insertion on the linked list (b) Write a code in C++ to perform operation of sorting on the linked list Write a well commenting code & all steps must be clear & it must be running & executable... And also display the output of the code in any of the compilers Write both code seperately..

Hailey, a cybersecurity administrator, wants to simplify the administration of the routers and switches in her organization. When an employee leaves the company, she wants to automatically remove their access to log into the routers and switches by deactivating their main network accounts. Which of the following might she implement for

summary: two big cases for less favourable treatment?

Use data wrangling commands to find out what were the top 6 destinations for flights And to find which 5 airports had the highest average arrival delay time 2 Filter dep,tim sched dep,tima dep, delay arr time sched ar tim arr delay carler tallum day fighi origia dest air simd distanc -8 827 -4 803 -5 931 -5 709 -2 716 -9 722 3 704 -3805 -7 912

What is an object in pandas?

how would i modify the following Java code to make it modular? import java.util.Scanner; public class Perfect { public static void main(String[] args) { int n, sum = 0; try (Scanner s = new Scanner(System.in)) { System.out.print("Enter any integer you want to check:"); n = s.nextInt(); } for(int i = 1; i < n; i++) { if(n % i == 0) { sum = sum + i;