Databases Questions and Answers May 21, 2019

Threads allow users to classify posts related to a particular topic. a . True b . False

Question 6 ( Mandatory ) ( 3 points ) Which of the choices below is not characteristic of unstructured data? not organized in a predefined way requires much preprocessing before any algorithm can be applied has rows and columns organized in a matrix format considered a largely untapped wealth of information in the world today

he objective of this simple homework is for everyone to refresh their Java programming skills, especially JavaFX Description: Consider the following GUI - based Java application for Joe s Deli breakfast processing. Develop the following breakfast ordering application for Joe s Deli using JavaFX. Please do not use JavaFX Scene builder in this

For two positive integers, lo and hi , and a limit k , find two integers, a and b , satisfying the following criteria. Return the value of a * b . The * symbol denotes the bitwise XOR operator. lo < = a

write matlab code that plots the following function with ? = 0 and ? = 180 . also write matlab code that plots the following function with ? = 90 and ? ranging from the parameters described above. 0, 0 ? 180, 90-? 2700

Which command will find files that match the wildcard pattern * . MOV and are larger than 1 0 megabyte?A . find ~ - type f - name * . MOV size + 1 0 M | wc - lB . find ~ - type f - name MOVI size + 1 0 M | wc - lC . find ~ - type d - name * . MOV size + 1 0 M | wc - lD . find ~ - type f - name * . MOV size | wc - l

Prove that the language L = {wtw | w, t {0, 1} +} is not regular. Note: the + operator means one or more repetitions of the pattern.

Which three types of information can be linked to a Web Clock button?time card fielddisplay icontime device ruletime device mappinglogic rule sequence

Convert the following 6 - bit sign - magnitude numbers to base 1 0 : 1 0 0 1 0 0 2 , 0 1 1 1 1 1 2

Which of the following is NOT an image format to store photos? A . JPG B . JPEG C . M P 3 D . TIFF

COMPLETE THE GIVEN TABLE

Creating calculated fields Changing the values Renaming fields Grouping fields Creating bins

A Java interpreter is a program that translates Java source code into Java bytecode. true false

Question 1 2 WPA in WPA, a special purpose Message Integrity code ( MIC ) is used as opposed to _ _ _ _ _ _ _ _ used in the WEP protocol. Select one alternative: None of the above HMAC SHA - 1 MD 5

Which of the following is a principle of Agile software development? a . Waterfall model b . Sequential development c . Incremental and iterative development d . Large design upfront

Define function and provide an example of the function operation. What is the difference between the COUNT and COUNTA functions? What is the difference between AutoComplete and FlashFill? Describe three ways of viewing worksheet contents in Excel.

Why does Madame Loisel feel "anguish" when she asks to borrow the necklace?

Given the following context - free grammar ( start variable is S ) , draw the parse tree by inserting an image in the text - box given to you by Canvas Discussion environment S aSb | b S a | S S | a b | b a

Write a python program for Randomizing the Leader: Consider the problem of online learning on the simplex d where d = 1 0 0 0 ; At round t , you predict p t and receive a vector z t and suffer a loss of p t T z t . Assume the adversary picks the vector z t as the t - th row in the dataset Dataset _ Z . Implement FTRL with quadratic and entropic

Question 1 3 PKI A digital certificate is attested by the Certification Authority ( CA ) using which of the following key? Select one alternative: CA's public key Owner's ( subject ) public key CA's private key Owner's ( subject ) private key

How would you declare a function and specify a default value for an attribute? How would you declare a function and specify a default value for an attribute? function printNum ( $num ) { $num = 2 ; echo $num; function printNum ( $num = 2 ) { echo $num; } You cannot set default variables. function printNum ( $num [ 2 ] ) { echo $num;

What is the primary function of the flattening layer in a convolutional neural network architecture?Answer choicesSelect an optionReducing the spatial dimensions of feature mapsConverting the feature maps into a 1 D vectorApplying an activation function to the featuresIntroducing regularization to prevent overfitting

The final deadline for delivering the project comes always from the programmers because they know how long it will take to finish. Question 1 0 options: True False

1) Ac cording to our class discussion, what are the three main features of any computer? (3 points) i. A keyboard ii. Input ii. A monitor or display iv. Meaningful output v. A disk drive or other storage device vi. A means to process input vii. A way to use electrical power A) i, ii, vi B) , v, vi. c) iii, v, vi D) v, vi, vii E) , iv, vi 2)

Debugging Exercise 8-3 Instructions DebugEight3,java 1/ Application looks up home price 2 /I for different floor plans 3 // allows upper or lowercase data entr 4 import java.swing.* 5 public class DebugEight3 The files provided in the code editor to the right contain l syntax and/or logic errors. In each case, determine and fix the problem, remove

Problem 3. (10 points) Translate each of the following using quantifiers. You may use "=",">", etc. for the predicates is equal to, is greater than, etc. Express each of the following statements as a quantified proposition. a. Not every natural number is a square b. No natural number is the largest C. There is always a real number between any two

6. (Generating Random Variables) In this question, you will use MATLAB to generate random variables using the trans- form method. Let U be a uniform random variable from 0 to 1. For n > 0, let {Xilie (1,...,n} be exponential random variables with parameter. Let F(x2) be the cdf of a single exponential random variable. You may use the MATLAB

Given the partial class declaration below, select a statement that should be used to initialize the values array in the class constructor. public class Points { private T [ ] values; . . . public Points ( int size ) { _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ } } Question 2 options: values = ( T [ ] ) new Object [ size

please provide the Matlab script. Use the three-digit chopping arithmetic for decimal numbers to compute the sum _(1/33) first by 1/1 + 1/8+...+1/1000 and then by 1/1000 + ... + 1/8 + 1/1 in Matlabl. Which method is more accurate, and

b 2 - suppose >= {xu) dt. Find Es and o a according the statistical characteristics of xlt)

While researching a network issue, Randy discovered a diagram that he can use to see the design of the network. What type of documentation did Randy discover? a . Inventory management b . Network topology c . Knowledge base d . Architectural drawing

Make a copy of an ArrayList Y * *

Some Tiny College staff employees are information technology (IT) personnel. Some IT personnel provide technology support for academic programs. Some IT personnel provide technology infrastructure support. Some IT personnel provide technology support for academic programs and technology infrastructure support. IT personnel are not professors. IT

1) Write a Java program to read a CSV (Comma separated values) text file. The text file will contain comma separated values in each line. There will be multiple lines with each line containing the same number of values. Ask the user to enter the path for the CSV file for reading the file. After reading the data from the file output the data to the

b . Show total product sales by date for each product. c . Expand year to quarter and quarter to month to show sales by year, quarter, and month. d . Remove the display of the Year Subtotals from the PivotTable. e . Create a Line PivotChart from the PivotTable report to see the change in values over time. f . Click on the collapse entire field

QUESTION 3 2 A system will always require what power connector? a . 6 - pin PCIe power connector b . 4 - pin auxiliary c . P 1 power connector d . 8 - pin PCIe power connector

what are the answers of those questions? 1) Which of the following is an advantage of static routing over dynamic routing? a. More secure (i.e. presents less security threats) b. Takes less time to configure 2)Which of the following is an advantage of static routing over dynamic routing? a. More secure (i.e. presents less security threats) b.

A recursion formula and the initial a 1 = 3 , a n + 1 = ( - 1 ) n + 1 a n

Given the following hash table, use hash function h ( k ) = kmod 1 0 and handle collisions using Linear Probing by Steps with probe function P ( K , i ) = 4 i . In which slot should the record with key value 7 9 6 be inserted?

Use the DFS algorithm to find a spanning tree.

Create a SELECT that returns a Player s full name in a single column ( first last ) with a header named "FullName" along with two calculated columns Birth and Death " .

In add(), the new item is added to the end of the heap and pushed up the heap to get it into position (upheap). A certain heap is stored in an array as follows: L Add 95 the end of the heap and draw the heap and the array after each step in the algorithm. removeMax() method In removeMax(), the root is removed, the last entry is copied into the

I need all questions done using Matlab, plz write comments for explanation. thx 3. Write a script which asks the user for a number n and generates a matrix of dimensions n n in which each element is either 0 or 1, arranged in a checkerboard pattern, as below, for n 4: [1 0 1 01 0 1 0 1] 4. Write a function which takes as parameter a vector of 3

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Examine the basic characteristics of frame relay, such as permanent virtual circuits and committed information rate. Discuss the main characteristics of Asynchronous Transfer Mode. Include the importance of the virtual path connection and the virtual channel connections. Assess the importance of the various classes of service available. Identify

If a database user ( or application ) should not have access to all the rows and columns in a table or tables, this construct can provide a restricted amount of data from multiple tables. inference filter attribute view

Which UML diagram accurately depicts the established class relationships? class ProgrammingLanguage { protected: string type; string designer; public: virtual void DisplayStats ( ) ; } class CPP : public ProgrammingLanguage { private: string latestRelease; public: void DisplayStats ( ) ; } class Python : public ProgrammingLanguage { private: int

Which of the following lines must be included in a program that has string variables? Group of answer choices #include #include ( string class ) #include namespace string; #include namespace std; string var

Q 2 . Implement the function: f ( x , y , z ) = x b a r ( y ) z + x y b a r ( z ) + x y b a r ( z ) using: ( Hint: it is wise to convert the function into the sum of minterm form; You are supposed to make three diagrams to implement the same function with the following three methods ) ( 3 ) ROM and indicate the size of the ROM ( e . g . 2 ? b a r

2 8 . Use the Gaussian elimination algorithm to find the inverse of A = 1 4 5 1 8 4 . ( the key NERD )

Mass - producing prints is a collaborative process but does NOT involve which of the following people? Mass - producing prints is a collaborative process but does NOT involve which of the following people? A carver A numismatist A printer An artist

Postings from Russian agents during the 2 0 1 6 U . S . presidential campaign to Facebook and Twitter are an example of what type of effort? Impersonation Asymmetric warfare A watering hole attack A social media influence campaign

Consider a 1 D convolution following by sub - sampling, z [ j ] = k ? w [ k ] x [ j + k ] , u [ m ] = z [ s m ] , for some stride parameter s > 0 . That is , u takes every s samples of z . ( a ) If x is 2 5 0 milliseconds of single channel audio sampled at 2 0 k H z , how many samples are in x ? ( b ) If x has length 1 0 0 0 , w has length 1 0 and

A stock trading company had the budget for enhancing its secondary datacenter approved. Since the main site is a hurricane-affected area and the disaster recovery site is 100 mi (161 km) away, the company wants to ensure its business is always operational with the least amount of man hours needed. Which of the following types of disaster recovery

IMPORTANT: Make sure you show the steps for obtaining _ your final answers. A . ( 4 0 points ) Show the representation of each of the following signed integers using ( a ) signed magnitude, ( b ) 1 ' s complement, ( c ) 2 ' s complement, and ( d ) excess - 6 4 notations. Use 7 bits for each representation. 3 5 # - 2 2 # B . ( 1 0 points ) Show the

The following is an example of which markup language?Multiple Choice HTML XML DFF JSON

Write an algorithm for making ( but not eating ) one Toasted Peanut Butter and Onion Sandwich. Restrict yourself to a vocabulary of no more than 7 4 different words, plus any required numbers. An example of a vocabulary is given in Appendix A of Daniel Liang Introduction to Programming with C + + . Appendix A is the list of keywords in the C + +

can you help me do corrections on my quiz (if possible just problem number and answer) edhesive 4. Consider the following methods: public statie double dosturint a) return a/21 public static double dostutt (double val) return val/10, What is output by the following? 2.5 2.5 System.out.println(dostuft (5) + dostuff (5.0)); a. 2.00.5 b. 2.50.5 C

Consider the following Cool program: class C { next : C; set(n : C): C{ { next

VPN servers are most likely located on the _ _ _ _ _ _ _ network.

i am using python - Logistic difference equation Last assignment, we also introduced the logistic difference equation: N.+1 = N exp(r(1 - N.)) In the code cell below, iterate this equation for four different values of the growth rater: values of t from t = 0 to Imax = 30 . No = [0.1, 0.1, 0.1, 0.075) i.e. depends on value ofr . r=[1.8, 2.3, 2.6,

Based on direct measures and continuous assessment, Christy is able to use fingers and hands for many small manipulations; for example, holding a marker / crayon with thumb and two fingers making a closed circle 3 0 % of the time. Using a model, she copies vertical and horizontal strokes with verbal prompting. Christy makes a closed circle with

For Case 5 , based on the information provided, what is / are the correct anesthesia code ( s ) ? a . 0 0 1 6 0 b . 0 0 1 6 0 , 0 0 1 9 0 c . 0 0 1 6 4 , 0 0 1 9 2 d . 0 0 1 6 4

x + y + z ? b = a r ( ( x ) + ( ? b a r ( y ) ) + ( ? b a r ( z ) ) ) True False

a) Design a Sallen-Key band pass filter with Q = 8 and fo 200 kHz. Se (5 points) b) Plot Bode plot for the filter for both amplitude and phase. (5+5-10 points)

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Question 1: Stored on a flash memory device is a 200-megabyte (MB) message to be transmitted by an e-mail from one server to another, passing three nodes across the network. This network forces packets to be of size 10KB, excluding a packet header of 40 bytes. Nodes are 400 miles apart, and servers are 50 miles away from their corresponding nodes.

1 . Begin by writing SQL commands to capture specific usable data for your analysis. You already preloaded the data you need into Codio. 2 . Specifically, the product manager wants you to complete the following analysis: A . Analyze the number of returns by state and describe findings to include in your report. [ Insert screenshot and brief

write C++ program to solve 3. Decision-based Algorithm: A cell phone company offers a plan with 450 minutes of voice communications at a rate of $35.00/month. Any minutes over 450 are charged at a rate of 0.40 per minute. Write an algorithm that allows the user to input the number of minutes a phone customer used during a particular month. The

Use a software - based random ( Python with random , numpy . random , GnuPG , RandomLib ) number generator. Include seed initialization function, generating random numbers key with three different seed values and analyze the three outputs.

How is data stored within a computer's memory? How is data stored within a computer's memory? It is stored as binary data. It is stored as octal data. It is stored in plain text data. It is stored as hexadecimal data.

Use the test cases to test to see if your code works. If it doesn't please don't submit because I am only looking for successful solutions. 3. [40] The following C code transposes the elements of an NN array: \#define N4 typedef long array_t[N][N]; void transpose (array_t a) \{ for (long i=0;i

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3 2 . The company takes the two studies as proof that their software causes mental improvement in stroke patients. Is this a fair statement?

ans = num1 * num2/2+3/2 * num2 +2+ num3; Assume values of the variables are: num1 = 4, num2 = 1, num3 = 3.2; num3 is float and all other variables are integers (int). Identify the sequence of steps a C compiler would follow to evaluate the above expression. Step 1 [Choose] Step 2 [Choose] Step 3 [Choose] Step 4 [Choose ] Step 5 [Choose] Step 6

These policies describe the different types of information collected; how that information is used, disclosed, and shared; and how the provider protects that information. Group of answer choices Information policies Privacy policies Security policies Data policies

You're working a software engineering team that has been contracted to reprogram your universities database management system. Your team has decided to use Object Oriented Programming to represent the entities that exist within the database. Your colleague has written the abstract class Academic and the enum Title (both provided) as a starting

Q1. In traveling salesman problem, a nave solution is to choose the nearest city to be added in the tour. 1. Explain in your own word this methodology with an example of cities in Saudi Arabia. 2. Other heuristic were developed in the literature. Explain briefly (no more than 10 lines) one of them. Q2. List four well-known search methods used in

Fill in the prompts below to describe the process of Sequential Pairwise Voting using the agenda A , B , C , D , E for the preference schedule below. Number of ballots 7 6 6 Rank 1 st A D E 2 nd C B D 3 rd D C B 4 th E A A 5 th B E C The first comparison is between A and B . Candidate wins the first comparison and moves on to face candidate C .

Write a Java program to calculate Salary of an Employee Basic salary, HRA ( house rent allowance 1 0 % of basic ) , DA ( dearness allowance 8 % of basic ) , tax deduction ( 5 % of gross salary ) , gross salary ( basic + HRA + DA )

Complete this program, prompting the user to enter two positive numbers a and b so that a is leimport java.util.Scanner; public class TwoNumbers { public static void main ( String [ ] args ) { Scanner in = new Scanner ( System . in ) ; int a; int b; / / HINT: Choose an appropriate loop and a loop condition / * Your code goes here * / {

A bank provides many types of machines to handle different types of bank transactions for its account holders. All the machines are identified by Machine. JL, Location, Warranty, Last. Serxiced and Machine. Type. Cheque machines have their own unique attributes that include Cbeque.No and Cheque. Sum. ATM machines has a unique attribute named Type.

Na g om trie e BF 1 2 uclidienne plane, rombo ( rombo to rhombus na boike ) ezali quadrilat ral oyo mipanzi na yango minei nyonso ezali na bolai ndenge moko. Ko continuer na probl me ya pratique, ozali satisfait te na ko g n rer kaka ba rombus verticales puisque olingaka ba rombus mingi ( don t you? ) , yango wana o d cider ko roter rombus pe

On a CPU that executes 1 0 9 operations per second, algorithm A took 0 . 1 seconds to run on an input of size 1 0 6 and 1 0 seconds to run on an input of size 1 0 7 On a CPU that executes 1 0 9 operations per second, algorithm A took 0 . 1 seconds to run on an input of size 1 0 6 and 1 0 seconds to run on an input of size 1 0 7 . What is the

Write a c program that will simulate the following random events using the rand( ) function in the C standard libraries. We are interested in determining if rand( ) really seems to produce a random set of values. To do this we will repeat the event a certain number of times and see how often we get each of the possible results. If rand( ) is truly

Task Regional Gardens Ltd is a company that runs a number of related gardening enterprises. It has a large display garden that it opens for public inspection a number of times a year. These enterprises include the Regional Gardens Nursery which sells plants and garden supplies to the public, and Regional Garden Planners which provides garden

The database has three tables for tracking horse-riding lessons: 1. Horse with columns: - ID - primary key - RegisteredName - Breed - Height - BirthDate 2. Student with columns: - ID - primary key - FirstName - LastName - Street - City - State - Zip - Phone - EmailAddress 3. LessonSchedule with columns: - HorselD - partial primary key, foreign key

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define a function print _ values ( ) that takes two parameters and outputs all integers starting with the first parameter and ending with the second, each multiplied by 5 on one line separated and ending with a space. The function does not return any value

Using the WHERE clause, filter the track table to include the tracks that are on album _ id 4 . Identify the name of the 2 nd track listed.

There are two mechanisms for addressing I / O devices. Memory - mapped I / O is one. Name the other.

In 2 0 0 0 , operating a basic internet application costs businesses approximately per month. By mid - 2 0 2 0 , operating the same application in Amazon's cloud cost approximately per month. $ 1 5 0 , 0 0 0 ;$ 1 0 0 $ 1 0 0 ;$ 1 5 0 , 0 0 0 $ 1 0 0 , 0 0 0 ;$ 1 0 0 , 0 0 0 $ 5 0 0 , 0 0 0 , $ 1

C++ Lab help In C++, we can overload the add operator, ''+", to do different types of addition, for example: an the addition of money in the previous programs (dollars + dollars and cents + cents). By using function overloading, we will give the power of function add to operator "+", which is also defined in the class definition. let's modify our

Match the Tableau filters to their definitions: Filter the data source for a specific worksheet only. Filter the data points according to a measure condition. Filter the imported data so that only part of it is available for analysis. Filter the data shown in the visualization. Data Source Filters Context Filters Dimension Filters Measure Filters

Question 5 ( Marks: 3 0 ) Normalisation of table structures in a database is essential to eliminate data redundancies.

Calculate each state's percentage population increase from 2 0 1 0 to 2 0 2 0 in Column D Use conditional formatting to color code the median age of each state Use VLOOKUP to find the the population of each state ( 2 0 2 0 ) in column J

Question 2 . Which of the following are breach prevention best practices? Access only the minimum amount of PHI / personally identifiable information ( PII ) necessary Logoff or lock your workstation when it is unattended Promptly retrieve documents containing ? P H I ? ? P H I from the printer All of this above

A particular small computer has a 3 0 - bit memory address register. Approximately what is the decimal value of the maximum amount of memory this computer can have? How do you know? ( Hint: What were those powers of two that you memorized? )

Which of the following is an element of the operations strategy? a ) Product features b ) Advertising budget c ) Distribution channels d ) Capacity planning

This assignment is due at 1 1 . 5 9 p m on December 1 5 t h , submission via Brightspace ALL WORK MUST BE YOUR OWN ( except for the Gauss - Seidel or Gauss - Jordan routines ) . Work submitted in the wrong format will not be marked. This assignment is worth 1 4 % of the mark for this module See the corresponding presentations on Brightspace for

Question 3 2 ( 2 points ) True or False? A best practice for mitigating mobile browser attacks is to remove unwanted apps from the device. Question 3 2 options: True False

The term malware refers to an organization's internal users. Question 9 options: True False

a) (10 Pts) Suppose a program takes 1 million instructions to execute on a processor running at 1 GHz (1/(seconds/cycle)). Suppose also that each instruction takes 5 clock cycles for execution. What is the execution time for the program? b) (10 Pts) Suppose a program takes 1 billion instructions to execute on a processor running at 2 GHz. Suppose