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Databases Questions and Answers October 06, 2018

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Write assembly code (x86-64) that multiplies two numbers using recursion by calling itself. You may or may not use the stack in this question.

Write an MSP430 assembly program that multiplies the corresponding elements of two integer arrays and stores the results in a third array. The arrays need to have at least 6 elements of varying numbers. Your program should implement something similar to the loop below: for (k = 0; k < array_size; k++) array_3[k] = array_1[k] * array_2[k]; This

Given the following sets A and B. Using the Cartesian product A x B create a set that is a function with three tuples Note |A x B| == 6 Hint: See the database Theory slides A = { a, b, c }B = { 1, 2} Given the following sets A and B. What is the value of the set D = A B C given that A = { a, b, c } B = {b, c, d } C = {a, b d }

true or false The RDBMS automatically creates the _ _ _ _ tables in which to store metadata.

f is a valid argument that establishes the truth of a theorem. The statements used in a proof can include which are statements we assume to be true, of the theorem, and previously proven theorems.
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Apache Pig platform can execute its Hadoop jobs in given platforms except _ _ _ _ _ _ _ _ _ _ _ _ a . Spink b . MapReduce c . Tez d . Spark

6. Write a regular expression for the language of strings over { = {0,1} where the symbols alternate between 0 and 1 (e.g., 0, 1, ... 0101,01010,1010,10101)
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QUESTION 1 Develop a class Animal that contains the following attributes: * Species of type string * Language of type string * Age of type integer And the following methods: * setSpecies(species) that allows user to set the objects species to the userspecified value. * setLanguage(language) that allows user to set the objects language to the

3 . For each of the following decimal values, determine their hexadecimal representation. Use the remainder - quotient method and show your work. Then use substitution ( from a table of bin / hex values ) to convert each hex to a binary. a . 5 3 9 6 b . 3 1 , 2 1 3

Consider terminal symbols 0 , 1 , 2 , 3 and non - terminals S , A , B , C with S as the start symbol. This ques - tion will involve grammars based on these symbols and the languages they generate. ( a ) If the only productions are S ! 0 S 2 and S ! < = , what is the language generated by the grammar? Explain your answer. ( b ) You want to modify

Which command would you use if you want to learn what variables are in the dataset along with any labels associated with them? summarize describe use tab
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Perform the following arithmetic operations in binary using ones compliment. Convert the numbers to decimal and do the operation to verify. a. 1110 0011 b. 1010 1011 c. 10011101 00111011 Perform the following arithmetic operations in binary using twos compliment. Convert the numbers to decimal and do the operation to verify. a. 1110 0011 b.

Remove the indexing-based getSection function from faculty.h and add appropriate declarations of iterator and const_iterator types and associated functions allowing access to a Faculty objects sections. #ifndef AUTHOR_H #define AUTHOR_H #include #include #include "section.h" class Faculty { private: //** You must not change the private data

Select the best answer that completes this sentence: Scrum is one of several _ _ _ _ _ _ _ _ _ _ . Question 2 4 options: ways to confirm customer requirements software development methodologies waterfall project management tools

1. can parameters be objects? if so give an example, if. not tell us why? what instance variable id optional, but useful for optimization, for implementation of a singly linked list?

just add the following functions to a class before main. program is in C. above is getoccupier function. Given a text file, residents.txt, uploaded into the assignment folder, create a program with the following functionality. You should start from the getoccupier program in p. 24-25 of the textbook. Create and add the following function to locate
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you need to write a shell script that reads a number as a program input. You may assume this is a valid integer. Assuming "n" is the number entered, your program should then print n pipes ("|") side-by-side, followed by n in parenthesis, all on one line, followed by a newline. No other output should be produced. For example (user input is in

JAVA LANGUAGE PLEASE Write a program that takes as input an unordered list of integers, creates a Btree of minimum degree t-4 and then outputs the sorted list of integers. A simple inorder traversal of the B tree will output the list of the integers in a increasing order. You can choose your programming language and the platform you run on. The
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Solve the following by providing a divide-and-conquer algorithm to accomplish the following tasks on a binary tree. Determine the largest value in the tree Height of a tree Number of nodes in a tree Sum of values in a tree ALG NumNodesInTree(T) //Input: Reference to a root of a binary tree.

1. describe how the Internet implementation and protocols make it vulnerable. 2. how to keep the resiliency while reducing the vulnerabilities of the Internet. Please short paragraph.Good luck

1. Write the full SNMP engine ID for: a . SNMPv1 for a 3Com hub with the IPv4 address 100.100.100.100 in the 6th to 9th octets followed by 0s from the 10th octets. b. SNMPv3 for a Cisco router interface with ::100.100.100.100 as its IPv6 address. 2. Access RFC 2274 and list and define the primitives provided by the authentication module at the

I wanted to know if I built this right. Please let me know if I made any mistakes or ways I could have made it better! Build a conceptual ERD using the below list of Business Rules. Each sales representative writes many invoices and must write at least one invoice. Each invoice must be written by one and only one sales representative. Each sales
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Read all instructions before beginning your work. COMP1200- C- Assign 08 Due 1:59 pm Friday November 2, 2017 Submit assian08.c via Canvas NOTE Your submitted filefs) MUST be spelled and cased as instructed Before you start writing your programn Using a Software Development Model to plan your solution for the following problem may seem trivial, but
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What are the elements of a four-tiered web-based system architecture?

Which of the following most accurately describes the CSR generation process? Question 7 6 options: Create keys, sign request with private key, send private key to RA , CA issues digital certificate. Create keys, sign request with private key, send public key to RA , CA issues digital certificate. Create keys, sign request with public key, send

What two methods are available for Windows to use to partition a drive? a . UEFI b . MBR c . GPT d . exFAT
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Write a C function that: Defines a union named x of 3 types ( int , double , and array of 4 unsigned short s). Defines a struct named s with 2 members, of type union x and char Declares an instance of the struct , and assign the value 39.4 to the double and set the value of the char to D

L Exercises 3.5 #1 (4 points) 1. Consider the following graph. a. Write down the adjacency matrix and adjacency lists specifying this graph. (Assume that the matrix rows and columns and vertices in the adjacency lists follow in the alphabetical order of the vertex labels.) Starting at vertex a and resolving ties by the vertex alphabetical order,
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Aircraft_Models Airlines Fleet MID manufacturer model capacity AID name AID MID count 1 Boeing 777 340 1 AA 1 3 15 2 Boeing 787 260 2 UAL 1 2 10 3 Boeing 737 140 3 DAL 2 2 14 4 Airbus 320 230 4 SWA 3 1 8 5 Airbus 380 560 5 ASA 3 6 24 6 Boeing 747 420 4 3 7 5 3 16 5. What is the result of the following expression in relational algebra? p s.name,

python please Write a function called words_by_frequency that takes a list of words as its only required argument. The function should return a list of (word, count) tuples sorted by count such that the first item in the list is the most frequent item. Items with the same frequency should be in the same order they appear in the original list of
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All Date objects have the following data members: month ( an integer value between 1 and 1 2 ) day ( an integer value between 1 and 3 1 ) year ( a four - digit, non - negative integer ) For this class provide: a constructor: parameters for the constructor must be provided in the following order: month, day, and year. use the default values

Modify the HTML using em and strong elements to display "darkest moments" in italics and "see the light" in bold. SHOW EXPECTED 1 2 3 4
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Use propositional logic to prove the arguments valid. State the rules you use #36 38 35. (P Q ^(P' Q) Q 36. (A' B')^(A C)(BC) 37. (A' + B)^(BC)^( C D )( 38. (A V B) A (A C) ^ (BC)C 39. (Y Z') ^ (X' Y) ^ [Y (X 1 40. (A AB) A ( B A')+(CA B') 41. (A A B)' A(C'1A)' A(CAB')' 42. (PV (QAR)) ^ (R' V S)^(ST In Exercises 4354, write the argument u
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11. Draw the full truth table of the circuit shown in Figure Q9, justify the result in the output column. Output Doa Dar Figure 29 [15 Marks)
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3 . 4 Simplify the following Boolean functions, using K - maps: 1 . ( a ) * F ( x , y , z ) = \ Sigma ( 2 , 3 , 6 , 7 ) 2 . ( b ) * F ( A , B , C , D ) = \ Sigma ( 4 , 6 , 7 , 1 5 ) 3 . ( c ) * F ( A , B , C , D ) = \ Sigma ( 3 , 7 , 1 1 , 1 3 , 1 4 , 1 5 ) 4 . ( d ) * F ( w , x , y , z ) = \ Sigma ( 2 , 3 , 1 2 , 1 3 , 1 4 , 1 5 ) 5 . ( e ) F ( w

What is a key and how is it important in a relational model?

Show that the summation Pni = 1 dlog 2 ie is O ( n log n ) .

Consider the following printf statement: printf ( " Hope to see % s in the Operating Systems course!", "you" ) ; Which of the following is true? Question 6 options: Any parameter in the printf call is considered a format string or a color string. None of the answers are correct. The first parameter is called the color string and specifies how the

Translate the following pseudocode to assembly language. Use short-circuit evaluation and assume that A, B, and C are 32-bit signed integers. while C > 0 If ((C !=3) AND ((C < A) OR (C > B))) C = C-2 else C = C-1 end while

EchoServer.java import java.net.*; import java.util.*; class EchoServer { public static void main( String args[] ) throws Exception { DatagramSocket socket = new DatagramSocket(1500); DatagramPacket packet = new DatagramPacket(new byte[512],512); while ( true ) { socket.receive( packet ); System.out.println( ""+new Date()+"
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The equation C=(5)/(9)(F-32) converts a temperature in degrees in Fahrenheit, F, to a temperature in degrees Celsius, C. a

This pillar of information assurance involves a condition where informAtion is accessible to authorized users whenever they request it
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Question 1 (20 marks) Computer-assisted Audit Techniques (CAATs) are imperative tools for auditors to conduct an audit in accordance with heightened auditing standards. Discuss the above statement explaining: The role of internal auditors according to auditing standards. Different approaches to apply CAATs.

anyone can solve the problem with userInput.indexOf() without replaceing it with userInput.contains? import java.util.Scanner; public class CensoredWords { public static void main (String [] args) { String userInput = ""; userInput = "That darn cat."; String userInput = "darn"; if (userInput.indexOf()) { System.out.println("Censored"); } else {

Hello, can someone help me to create a FUNCTION program in Python? Create a program to prompt the user for hours worked per week and rate per hour and then calculate and display their weekly, monthly, and annual gross pay (hours * rate). Base monthly and annual calculations on 12 months per year and 52 weeks per year. Thank you in advance for your

What is the invisible web? It is the subscription-based content such as academic databases or library journals It is a part of the World Wide Web that is not indexed by traditional search engines It is a vast amount of data that is hyperlinked but not accessible to search engines All of the above
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Why hexadecimal 0xD is 13? Shouldnt it just be D?

Simplify the Boolean function F = A'B'C' + B ' CD ' + A'BCD' + AB'C' using 4 variable map Question 4 Answer a . F = B ' D ' + B ' C ' b . F = B ' D ' + B ' C ' + ACD c . F = B ' D ' + BC + ACD d . F = B ' D ' + B ' C ' + A'CD'

Identify the motivation of attackers

Which of these is a valid Class C address? A 1 0 . 1 0 * 1 0 * 0 B 1 2 7 . 0 . 0 . 1 C 1 2 8 . 0 . 0 . 0 1 9 2 . 2 5 5 . 2 5 4 . 0
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Write a program in C++ language to calculate and display the sum of the following series using for loop. 2+2y^4+6y^3+8y^2+10y

Fun Time Ultimate Toy Company is getting ready for a very busy Christmas and holiday season. They need to make sure their databases are available. What can the IT department do to increase database availability? Backups Failover VPN QoS
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Write a python program that asks the user to enter the length and the width of a rectangle , and then calculate the area of the rectangle , the area formula is lenght * width. Include Ahmed zayed and 12345678 as a comments in your code .

EXPERIMENTS 2.2.28 Top-down vs. bottom-up. Use SortCompare.java to compare top-down mergesort and bottom-up mergesort for N = 10 ^ 3 N = 10 ^ 4 N = 10 ^ 5 N = 10 ^ 6 /****************************************************************************** * Compilation: javac SortCompare.java * Execution: java SortCompare alg1 alg2 n trials * Dependencies:

Need help for the Java programming assignment: Write a program that will display lines of a text you specify. It should take two arguments: a file or a URL and the number of lines to display. If the number of lines given is positive, it should display the first n lines of the text. If it is 0, it should display all the lines of the text. If it is

Managing Linux Servers (Apache, Samba, DNS, NFS) 1. What is the Apache directive that specifies the base directory for configuration and log files? 2. Once youve modified httpd.conf, what command would make Apache reread this file, without kicking off currently connected users? 3. What directive specifies the TCP/IP port associated with Apache? 4.

Which of the following is the correct query to get the order _ id from the order _ items table for the products having a product _ price greater than $ 8 5 0 0 ? SQL query Select only one option SELECT ORDER _ ID FROM ORDER _ ITEMS WHERE PRODUCT _ ID = ( SELECT PRODUCT _ ID FROM PRODUCT WHERE PRODUCT _ PRICE > 8 5 0 0 ) ; SELECT ORDER _ ID FROM

In modern organizations, the responsibility for managing information resources is Generally speaking, the handles corporate - level and shared resources and the is responsible for departmental resources. a ) given to the MIS department; MIS department; MIS department b ) given to the end user; end user; end user c ) divided by the MIS department
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Why are entity integrity and referential integrity important in a database?

In a large network you came across excessive broadcast (>50%) which is otherwise a well behaved network.Develop your hypothesis to the root causes and plausible resolutions

What application domain questions need to be answered to understand the CAS problem domain? What elicitation techniques would you use to gather needs and desires for the CAS, and which stakeholders would you use them on?

Checks Custom Test - incomplete Run 24+63 Test Output Run in the console 24+63 42 In [4]:run(24+6+3) ERROR: root:F11e : (24,PY:= not found. In {5};prtn(24+c+3) Test Contents
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Assume the value of $t1=15dec, and $t2=16dec, and add $tt0,$t2,$t is executing in, What is the A wires value in binary ios shown in the figure)? Select one: a. 01001 b. others c. 01011 d. 00111 e. 01010 f. 10011 g. 01000
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Use Matlab to plot the following functions: e x and 8 x - 4 . Hint: use fzero.
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2. For the second part of this Homework, please write two classes: Odometer and Gastank. Odometer should have: - two instance variables, both double types: totalmiles (the total accumulated miles on the odometer) and tripmiles (the miles for a particular trip). - a no-argument constructor that sets both instance variables to 0. - public void
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Which of the following loops is infinite? while (true) O for(int i = 0; ; i++) = O Both a. & b. a. None of the above
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PART A. Recursion and complexity calculations 1. Please consider the following function and determine the Big-O notation using recurrence relation. (10 pts.) int fun(int n) { if(n == 0 || n == 1) return n; if (n%3 != 0) return 0; return fun(n/3); } 2. Write a function to find the largest element of an array using ; (20pts.) a.Tail recursion b.

I ' m trying to use PROC IMPORT to read in some data delimited with " @ . Will I need a DELIMITER statement? Yes, we'll need a statement that has DELIMITER = ' @ ' , and DBMS = DLM . Yes, we'll need a statement that has DELIMITER = ' @ ' , but there's no requirement that DBMS = DLM . No , we don't need a DELIMITER statement. We need to include
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Places the three software engineering layers on top of a layer entitle ''A quality focus ." This implies an organizational quality program such as total quality management. Do a bit of research and develop an outline of key tenets of a total quality management program

4. What happens when a user retrieves data from a view.

Complete the following Unsigned Binary Addition ( answers should also be in Binary ) : 1 0 1 1 1 0 1 0 + 1 0 1 0 0 0 0 1 - - - - - - - - - -

What kind of operator is the operator? Inequality Ternary Arithmetic Relational
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Is the language L = {w E {0,1}* | w=00(1)^3n and n>0} regular? Why or Why not?

--connecting computing devices. --- devices and sensors as a network called the Internet of Things (IoT). talk about a system such as Google Home voice controller ..etc and talk about how to protect the system. In order to protect the system write down: The purpose of your system (ex. Office network, energy efficiency network, mobile network..

Using a raspberry pi 3+ please modify this code to turn on a buzzer whenever the moisture sensor senses moisture Be advised that the buzzer is vcc and ground only. #!/usr/bin/python import RPi.GPIO as GPIO import time #GPIO SETUP channel = 21 GPIO.setmode(GPIO.BCM) GPIO.setup(channel, GPIO.IN) def callback(channel): if GPIO.input(channel):

Which of the following buttons creates a slicer? Slicer button 2 A O Slicer Tool button O Insert Slicer button O Insert PivotTable Slicer button

Create a method to calculate the price of a pizza and return it as a double. The method should take at least 3 parameters: Size, toppings, and crust style. Create an app which makes 3 pizzas and describes them at the console. GUI in java

Please answer correctly QUESTION 5 Given the grammar below, which of the following is a left most derivation of [1[1 ss [s] s ss[s]S[1s[s][1s[111[111 ss[s]s[s][S][s][s][1(s)[1[] ss[s]S[S][S][S](S)(S]1)[1] ss[s]s[s][s]s[s][][s][1[1[] QUESTION 6 Given the following grammar G with I as the start symbol IAABBCCBALLIDCLDSD0123456789LabcdefS$@# Which of
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Which of the following is a requirement for ALL configurations of RAID? answer The amount of disk space used on each disk must be of equal size. Parity information must be stored on each disk. There must be a minimum of four disks in the array. All disks must be mirrored.

Write a program that prompts the user to enter a number n . Then, it asks the user to enter a sequence of numbers ending with -999. The program then displays the count of numbers in the sequence smaller than n , the count of numbers larger than n , and the count of numbers equal to n . (use a while loop)

Assembly Language. using DOSBox and DEBUG 10. Use the "a 100% command to enter the following short program: mov al,ff inc al sub al,2 mov dl,al add dx,2 int 3 Use the "t" command to trace through the program one instruction at a time. Look at the register dumps and note the flag values after each instruction is executed. Capture and print the
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Describe what is meant by the halting problem and give a brief outline of how it can be proven that it has no algorithmic solution.

For now, the only activity you are asked to do is , in addition to the readings suggested in the resources, to look at the world around you ( objects , not people! ) with a critical eye from the perspective of interaction. For these objects ( microwaves , TV remote controls, hobs, fridges, computer programs, cars, etc. ) , you should identify

ANSWER ALL QUESTIONS, OTHERWISE DONT ANSWER. Provide your code and output (Must be done using R code) Here is the csv file: https://1drv.ms/x/s!An8sv1t-dz8vhxdWP-th3TpRzXwN For the following questions, use the file "Earthquakessv". There is a header in the data This dataset consists of information about Worldwide Earthquakes of Magnitudes 6-6.9,7
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Question 2: Change Calculator (20 marks) Complete the change calculator. In this question you will write an Enumeration for the various coins and notes available in pounds sterling. i) NotesAndCoins Enumeration Complete the enumeration with the following constants below You also need to create a constructor to set the properties to match the table
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only show the tree, no actual code. Create a AVL using the following sequence of Inserts and Deletes showing each step: insert 37 insert 81 insert 63 insert 11 insert 77 insert 73 insert 96 delete 81 insert 85 insert 76 insert 90 insert 88 insert 9 insert 27 delete 77 insert 68 delete 37

Which of the following is function of a webcam To copy an image and transfer the scanned image to the computer Or to creat a simple animtion To take a video driectly in degital format To convert analog single from a video camra to digital format for computer

Write a C program that prints a table of the binary and hexadecimal equivalents of the decimal numbers from 0 to 15

When I set up my home network, the first thing that struck me was how the router is like the heart of the whole operation. It's amazing how it juggles all the devices in the house, from our phones to the smart TV . I was particularly intrigued by how it assigns IP addresses and how its settings can make or break the network's performance and

Imagine an old single-programming system equipped with a CPU, a disk, a printer, and a reader. At the end of a program execution, the system reports the accumulated percentage usage of the four components. The exact pattern of the program's activities is not known: the report includes one number per device. According to the report, a certain
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Explain Nyquist sampling theory. Why are data transmission systems generally in multiples on 8k

What does the src attribute specify in an iframe tag?

Write a Matlab program in a script file that: a) Generates a random (N elements) row vector with integer values between -25 and 45. b) For the vector generated in part (a), determine the sum of the vector elements which are positive and divisible by 5. c) Sort the numbers in ascending order and descending order in two vectors and save the sorted

Elaborate Fox 21st century founding history in details and with cite references.

Applying AO*, Which node will be selected for exploration and explain why ... 1 E 5 F G 10 5 12 J 50 10
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Please MAKE SURE YOU ARE ANSWERING THE QUESTION AS ASKED !! Please answer as asked (a) (b) (c) (c) (c) (f) Figure 2.2 The operation of INSERTION-SORT on the array A=5,2,4,6,1,3. Amay indices appear above the rectangles, and values stored in the array positions appear within the rectangles. (a)-(e) The iterations of the for loop of lines 1-8. In
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Two Java SE classes are declared as shown below: public class Invoice { public static String formatId ( String oldId ) { return oldId + _ Invoice ; } } public class SalesInvoice extends Invoice { public static String formatId ( String oldId ) { return oldId + _ SalesInvoice ; } } Which of the following statements are true about attempts to use

Make a flowchart for this c algorithm pls. #include main() { int i,j,k,n,m; printf("Enter the number of row : "); scanf("%d",&n); for(i=1;i =i;j=j-1) { printf(" "); } for(k=1;k 1;m--) { printf("%d",m-1); } printf(" "); } return 0; }

Given a four-drive, 200GB per drive, RAID 0 array. a. What is (are) the advantage(s) of the RAID 0 array over a single drive of equal capacity? Disadvantages? b. Whats the MTTF of the RAID 0 array if individual drives have an MTTF = 100,000 hours? c. Whats the Availability if MTTR = 10 hours? Calculate to six decimal places. d. How would data lost

Division by zero is a q , error that is caught when the program executes. ( 1 point ) compiler runtime logical syntax
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