Databases Questions and Answers January 02, 2019

by bython please. In this case study, we have a dataset with all the countries in the world, their location (latitude, longitude) and the continent they belong to. Let's say we don't know the continents and we want to find them using clustering. The algorithm has to find out which are the continents based on the data about countries and their

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how high can you count with four decimal digits?

is an important sorting algorithm that works by applying insertion sort to each of several interleaving sub - lists of a given list

List the elements in the following set. {z|z is an integer less than or equal to 4}

Please find Phonological rules, Rule order, and Derivations from the Korean Languagae data below. It is a Phonology problem. Your answer is supposed to refered from the provided data below. Provide a rule to account for the distribution, in prose and formal rule notation. Two other things you should know about Korean. o Korean has separate

1.7. Convert the following to 16-bit unsigned binary (a) 0x013B (b) 0xF3B9 (c) 0xABCD 1.8. Do the following arithmetic in unsigned 2-hexdigits hexadecimal (a) 0x01+ 0x01 (b) 0x23+ 0x26 (c) 0x23+ 0x27 (d) 0x23+ 0x29 (e) 0x23+ 0x2F (f) 0xFA+ 0x1C

So . . . how much faster is your multi - threaded version of the lifesimulator?

Draw an ER/EER data model for the following scenario: A track and field meet can have many competitors, and a competitor can participate in more than one event at a meet. Not all events are held at each meet. Each event will have a 1st, 2nd, & 3 rd place winner (you may assume there will be no ties). Use appropriate attributes where appropriate.

True or flase: Category 6 a twisted pair wires can be purchased only as unshielded twisted pairs.

EX 5 . 1 : In the MinOfThree program, if two or more values are equal, it will still work correctly. It doesn't matter whether the equal values are lower or higher than the third. The program simply finds the minimum of the three values. EX 5 . 2 : The issue with the provided code is the incorrect use of double minus signs ( - - ) and if

What is issued at the end of a transaction on unsuccessful execution?

a.Describe the main barriers to communication in IT. b. Describe the communication skills IT managers need to apply in their professional practice. c. Explain the components of organizational communication in IT organisations. d. Explain the importance of communication in IT. e. Explain the methods of communication in IT.

5. Can I use logical conditions in a SWITCH statement? 6. Draw the information flow diagram (flowchart) for a FOR loop 7. Can the looping variable in a FOR loop be a decimal number such as 2.3 ? 8. Does the looping variable in a FOR loop always have to start from 1 ? 9. Why would someone use a WHILE loop instead of a FOR loop? 10. How can I check

4. Translate the arithmetic expression y(x+y)z below into : (i) A syntax tree (ii) Quadruples (iii) Triples (iv) Indirect triples

Which of the following will create a Pandas Series?

(20pts) Construct a finite-state machine that determines whether the input string has a 1 in the last position and a 0 in the 3rd to the last position read so far

Directions You have been selected to develop a GUI application called a Configurator. The application allows the user to complete the configuration of a computer system and produce a sales price for the system based on the configuration selected. The application must meet the minimum operating requirements and specifications as provided below:

import numpy as np # Sample data points data _ points = { ' P 1 ' : [ 5 . 1 , 3 . 5 ] , ' P 2 ' : [ 4 . 9 , 3 . 0 ] , ' P 3 ' : [ 4 . 7 , 3 . 2 ] , ' P 4 ' : [ 4 . 6 , 3 . 1 ] , ' P 5 ' : [ 5 . 0 , 3 . 6 ] , ' P 6 ' : [ 5 . 4 , 3 . 9 ] } # Calculate Euclidean distance between two points def euclidean _ distance ( point 1 , point 2 ) : return np .

Which one of the following is an example of a possible event in a business process? A company receives updated credit card details from a customer A customer's credit card details are entered into the Finance database The result of a credit rating check determines a customer has an unpaid debt O An office employee needs to make a payment to a

To verify that a string of characters belongs to a language defined by a grammar, we must create a parse tree that shows that the string can be generated by the grammar. Consider the following grammar: -> , | -> | -> A| B | C -> x | y | z Choose a string that is in this language and create a parse tree that demonstrates that your claim is true.

Compare the performance of the ML techniques used - "Decesion Tree and Associative Analysis" Derive values for preformance study metrics like accuracy, precision, recall, F1 Score, AUC-ROC etc to compare the ML algos and plot them. A proper comparision based on different metrics should be done and not just accuracy alone, only then the comparision

What will the following code block do if a user fails to enter the full name of an employee in a search?

According to an article referenced by the Bureau of Labor Statistics, which of the following is a fundamental competency for a job in database administration?

who invented the threshing machine and why it was invented.

Any help with this Haskell coding problem? Write a function isThreeDigitPositive that returns whether an integer is a three digit positive number. isThreeDigitPositive :: Int -> Bool

Count the permutations ili2i3i4i5i6 of {1,2,3,4,5,6}, where i11, i21,2, i33,4, i43,4.?

5. a. 5 b. 5 What is friend function? What are the merits and demerits of using friend function? Write down a C++ program to print the following output using for loop: 7 7 7 7 6 6 6 5 5 4

JavaScript 20 Write a function that uses the Math.round() method to round any number with a decimal part less than or equal to 0.6 down. For example, the result of using the program with the number 3.6 should be 3 but the result of 3.69 should be 4. Use a loop to allow the user to enter as many numbers as desired and be sure to use an appropriate

which of the following tools is best suited for EXPloiting known vulnerabilities? Nikto, Wireshark, Metasploit, Ettercap

What are the functions of databases and data warehouses?

1.(a) X (i) (ii) A binary image X and the structuring element B are illustrated as above. Using morphological operators, perform the following. B Dilation of X by B Erosion of Complement of X by B

All information that is to be processed by a computer must first be entered into memory via an input device.

How are persistent IPs advertised when configuring NDFC Layer 3 connectivity to switches? They are advertised using any IGP. They do not need advertisement. They are advertised using BGP They are advertised using static routes.

5. Can you name another technology product that failed? Why did it fail? What could the company have done differently for it to succeed?

Draw a schematic of the logic defined in the following Verilog code.

Review Level 1 and Level 2 Intelligence Gathering criteria and conduct an intelligence gathering exercise against a target of your choosing. At a minimum, include the following: Corporate Logical Electronic Infrastructure Assets Financial Social Media Passive Reconnaissance (subcategories as you see fit) Active Footprinting (subcategories as you

1 . A neural network designed using Tensorflow Keras is given below. Students are instructed to type the answers in the textbox of the portal. ne t = t f . k e ra s . l a y e r s . S e q u e n ti al ( ) ne t . add ( t f . k e ra s . l a y e r s . Inpu tLaye r ( input _ shape = ( ( 2 5 6 2 5 6 3 ) , ) ) , t f . k e ra s . l a y e r s . Dense ( 1 0

The Symbolic permission setting of a = rwx is equivalent to which octal permission?

When declaring a tuple, you enclose the tuple's elements in what two characters?

( Intercept ) 4 . 6 6 1 8 loge ( fryingtime ) - 1 . 0 5 8 1 Learn by Doing "Fill in the blank" question: select the correct answer. - Question 6 The input and select elements may be inline with important contextual information.This is not a form; we suggest that you use the browse mode and read all parts of the question carefully. Write the

You are given two integer arrays nums 1 and nums 2 of lengths m and n respectively. nums 1 and nums 2 represent the digits of two numbers. You are also given an integer k . Create the maximum number of length k m + n from digits of the two numbers. The relative order of the digits from the same array must be preserved. Return an array of the k

Alice sent Bob a secure message which is encrypted by AES with ECB model with a shared key that is only known to Alice and Bob the message is a short message and has a size of one AES block if one bit in the cipher text is modified during transmission from Alice to Bob when Bob receives the modified cipher text and decrypt it what will Bob get

which condition is a risk for a patient who has undergone a splenectomy

(5) (4 pts) Prove that a decimal number is divisible by 2 if the last digit is even (i.e. 0,2,4,6,8)

Which statement will catch all types of exceptions? Select one. Question 1 options: catch ( Exception& ex ) { } catch ( . . . ) { } catch _ all ( ) { } catch ( ) { } catch _ all ( . . . ) { } Question 2 ( 5 points ) Listen What is defense in depth? Select one. Question 2 options: When a single security attack vector is defended in many

Variables of type double represent double - precision floating - point numbers; these require twice as much memory as float variables and provide 1 4 significant digits. Select one: a . True b . False

Please complete using Microsoft Visual Basic for Applications (VBA) Programming Language. Part A: Create a simulation for one pair of teams - Create a simple simulation that compares a single pair of teams (row 1) on an athletic measure - Instead taking the raw number for each team and taking the highest of the two, pass the athletic measure and

The shippingStatus class is done just need help filling out the packageTracking class I dont know why the m_getLocation() and m_getStatus() is not passing the tests that are given in the main.cpp when you run the code. this is what i have //shippingStatus.h #ifndef ShippingStatus_h #define ShippingStatus_h #pragma once #include // need this for

You have been asked to design a database system to support the operations of ABC International Airport. The airport needs to track flights from their scheduling through to completion, aircraft details, tickets sold, and passenger bookings. Senario: ABC International Airport manages hundreds of flights across multiple destinations per day. As the

What is a neural network in the context of artificial intelligence? a ) A type of data structure b ) A set of algorithms designed to recognize patterns c ) A software development methodology d ) A network topology

When do we use inurl? choose all that apply When we know the site has an url When we know only part of the name of the site we are searching We use inurl when we know the complete site name When we do not know if the site we are looking for is a www site?

Affirming Identity, Advancing Belonging, and Amplifying Voice in Sororities and Fraternities

What is the compressed format of the IPv6 address? 2001:0db8:0000:0000:0000:a0b0:0008:0001/48 What is the subnet prefix of the IPV6 address? (2M+0.5M)

What is the Hamming Distance between 11110010 and 11001110? 0 1 2 3 4 5 6 7

IPv 4 has address links of how many bits?

calculate coefficients in the regression equation, which is a first order equation in Taylors expansion series. (Solve with equation step by step by hand)

6. Name three distinct uses for stacks

What is Artificial Intelligence: Acting Humanly, Thinking humanly, Thinking rationally, Acting Rationally

Which of the following is NOT one of the functions of Enumeration?

Suppose that you insert 100 typos into a textbook manuscript. Your editor, Edith, finds 25 of these typos, and, in the process, she also finds 800 other typos. a. Assuming that you remove all of the discovered typos and the 75 other typos that you inserted, estimate the number of typos remaining in the manuscript. b. What does this have to do with

In multiprocessor memory systems, lower levels of the memory hierarchy may not be able to be saturated by a single processor but should be able to be saturated by multiple processors working together. Modify the code in Figure 2.29, and run multiple copies at the same time.

Explain in briefly the two different ways of data exchange between CPU and memory

How many distinct decision trees you can create with 3 Boolean attributes (attribute value=true or false)? The decision can only be true or false.

What protocols does the transport layer use and why

Write the following code segment in MARIE's assembly language: if X < 1 then Y = X - 2; X = 0; endif; Y = Y + 7;

Whwhat topology doesn t have a central hub?

describe Flynn s Taxonomy and list the four models of Flynn s Taxonomy with one example of use for each model

What is testing in Data Analytics?

How does traceroute program determine hops from source to destination host?

assume that a load word instruction on a single cycle architecture takes 200ps to finish on a single cycle architecture. Allowing for 50 ps overhead, what is the maximum clock frequency this architecture can be operated at? (0.5 mk)

Given the following CFG G), answer the following questions: E = E + E E E E E2 | E2 E2 E2* | E3 E3 (E) | Ep EP a | b c 1. What are the variables of Gi? 2. What are the terminals of Gi? 3. Give two strings in [(G). 4. Give two strings not in Gi)

retaining and maintaining information for as long as it is needed is known as what? data storage, data encapsulation, records retention, data REManence

Question 2 Which network device connects multiple networks together? 1 point A hub A switch A router A modem

What are the four measures of qualitative text complexity? Answer Knowledge Genre Topic Purpose / meaning Length Structure Lexile Level Language

dell Boomi associate integration developer practical exam

Who should attend the SIV? Answer ( Select all correct answers ) CRC RA Study pharmacist PI

Which three statements describe a DHCP Discover message? ( Choose three. )

Calculate COCOMO effort, TDEV, average staffing, and productivity for an organic project that is estimated to be 39,800 lines of code.

weather_data.txt (just copy and paste into a txt file called weather_data, then solve above question) date,actual_mean_temp,actual_min_temp,actual_max_temp,average_min_temp,average_max_temp,record_min_temp,record_max_temp,record_min_temp_year,record_max_temp_year,actual_precipitation,average_precipitation,record_precipitation

division in lc 3

I need the source code of an Android app that has: Write an app using two activities: one activity performs a unit conversion from miles to kilometers or kilometers to miles, and the other activity asks the user to choose which way to make that conversion. Include a Model. Include transitions between the two activities, one a sliding transition

Problem Nine (7 points) Write java code for any one of the two algorithms in Problem Five. From problem five: Problem Five (16 points, 8 points each) Do NOT write code, just algorithm. Modify the insertion sort algorithm with an extra argument, named isAscend, of Boolean type. If isAscend is true, then the array will be sorted in ascend order;

Consider the class hierarchy on the last page of this assignment. It is a class hierarchy of food products, including FreshVegetable and CannedItem. A Package is also a product and is a container of multiple products. We wish to use the visitor pattern to implement two operations on the product hierarchy. The first operation is to find the

given {x1, x2, x3}, a set of three distinct numbers, find the minimum number of comparisons needed to sort them in the worst case by drawing the adaptive decision tree. Can you generalize to the case of n distinct numbers?

Convert the following decimal numbers to 6-bit two's complement binary and perform the addition operation. Indicate if the result overflows the 6-bit result. a. 14+9 b. 30+4 c. 10+22

Obtain Truth table of the following function and express each function in Sum of Minterms and Product of Maxterms form: WXY + WXZ + WXZ + YZ . Show all Steps including the individual truth values for each term and the final expression.

State a Micropython code for setting a port (no. 0) as an output port and write value 1 through port 0.

Exam Questions related to constraints satisfaction problem

Which line of code produces the following output: Enter an integer: Select one: a. cout < < Enter an integer:; b. output < < Enter an integer:; c. cout < < Enter an integer:; d. print < < Enter an integer:;

b) Write an 8051 assembly program to generate the following signal continuously from port P1.0 using Timer 1. Find also the adjustments for timer-reload values to generate the signal as accurately as possible

1 Describe the differences between the following pairs of concepts: (a) Functions and tasks. (b) Blocking assignments and non-block assignments

what happened in the colonial pipelina attack

You need to write a server and client to allow chat between multiple users. Submit the server file, client file, and protocol file. Check that the server works with multiple clients communicating simultaneously. Go over the example run and make sure your programs runs the same. Commands supported by the client # NAME will set name. The server will

Show the written steps of making a 2-3 tree with the input below. (drawn out) Input:[A T B F W I C S G A]

Write a simple pseudocode for this program: Prompt the user for their birthday and then determine the number of days between today and the users birthday and calculate their age

in the given configuration, what are the values of the four registers

I need help in these questions in 16 minutes please. fast 9. What is the purpose of the behavior blocking software and explain its operation? (4pts) a. Purpose: b. Operation

A local library needs a program that can manage data on the books that they have available. You choose to apply Object Oriented Programming techniques to design a class that can be used to store data on books. The library has indicated that the information they need to store are the following: 1 . The book title 2 . The book author ( s ) a . Think

Which skill is most important for a successful technology troubleshooter: good technical skills, good people skills, or good listening skills? Defend your answer with at least 3 reasons/examples of why this skill is more important than the other two.

. What are the 4 steps we have in each round in AES encryption? Please list the main differences between AES and DES.