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Databases Questions and Answers January 26, 2021

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This is a two part question, one is needed for the other. Thank you! Simple Addition (1) Write a program that clears the screen, locates the cursor near the middle of the screen, prompts the user for two integers, adds the integers, and displays their sum. Simple Addition (2) Use the solution program from the preceding exercise as a starting

A sequence of nested open intervals J 1 J 2 J 3 with \ infty n = 1 Jn nonempty but containing only a nite number of elements.

CS 404 Artificial Intelligence 4. [10 pts) Depth First Search with Bound Below graph shows state space. Use Depth First Search algorithm with bound of 3 to find a path that leads to the goal state 0. Evaluate immediate child states of a parent state from left to right. Show the below lists for each iteration. Maintain "open" as the list of states
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it is recommended that table names be limited to . . . .

Based on Fig. 1-17, please briefly discuss these 11 steps involved in making the system call read(fd, buffer, nbytes). Address OxFFFFFFFF Return to caller Trap to the kernel 5 Put code for read in register Library procedure read 10 4 User space 11 Increment SP Call read 3 Push fd 2 Push &buffer 1 Push nbytes User program calling read 9 Kernel
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a. Design a switching circuit that has four inputs (A, B, C, D) and three outputs ( F 2 , F 1 , F 0 ), with outputs as follows: F 2 = ABC'D' F 1 = ABC + A'B'C'D' + A'B'D+ A'CD' + AB'C' + A'CD + A'B'D F 0 = (A'B+AB')(CD+C'D') + (AB +A'B')(C'D+CD') b. Obtain the timing diagram using simulations and construct a truth table for the same a. A decoder

Question 10 2 pts To access the value of a private data member of an object from outside the object, you use O a helper function O a getter function O a setter function O a constructor
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Consider a database schema consisting of the following relational schemes: author_pub (author_id, pub_id, author_position) - Refers to author Publisher author (author_id, last_name, first_name) Describes Author pub (pub_id, book_id, title) Gives information about Publisher book (book_id, year, editor, book_title, month) Describes Book - author_id

In the programming languge SQL a table column might be excluded from the INSERT statement if , It is a primary key, it has a default value, it has been designated as IDENTITY, or it accepts NULLs?

Which of the following statements about SOA is FALSE? a . SOA increases program code reuse b . SOA reduces the need for data integration c . SOA is a method of writing software that is conducive to enterprise application integration d . SOA stands for Service Oriented Architecture e . SOA reduces time ( and cost ) of new application development
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When implementing the Comparable interface in Java, what does a return value of 0 from the compareTo ( ) method indicate? The objects are equal. Indicates a runtime error. The first object is greater than the second object. The second object is greater than the first object.
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Is application configuration file the best practice of storing pre - configured connection strings in . NET applications?

What are the unpaid entries in a search engine results page that were derived based on their content's relevance to the keyword query? paid search keyword organic search search engine optimization
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Write a Java program to show the following. Create an interface called Details. The Details interface has 2 methods namely. Input Create a class called Employee which implements Details interface. Write the implementation for the methods Input and Output methods within the Employee class. The Employee class has 3 class variables namely. - employee
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in the following code insert the code given to you below Hands-on Project 2-1 Hands-on Project 2-1 Fahrenheit ( F) to Celsius ( C) converter Enter temp in F Convert to C Temp in C 1. At the bottom of the document, before the closing tag, enter to create a new script section. 2. Within the script section you created in the previous step, enter

Please answer as much as you could 1. Assuming 8-bit registers, x6-0000 0111, and x11 0000 1010. What is x6 after executing sll x6, x11, 3? 2. Why should a register file have 32 registers instead of 1,024 registers? 3. Why should a register file have 1,024 registers instead of 32 registers? 4. In RISC-V, which two types of instructions can access
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Part 1 of 3\ The function y=(7x^(2)+5x+9)/(\\\\sqrt(x)) is a quotient. It is important to remember that the derivative 0 by first simplifying the quotient. We can re-write it as follows.\ y=(7x^(2)+5x+9)/(\\\\sqrt(x))=(7x^(2))/(\\\\sqrt(x))+(5x)/(\\\\sqrt(x))+(9)/(\\\\sqrt(x)) \ Remembering that \\\\sqrt(x)=x^((1)/(2)) and that
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Bulls and Cows is an old codebreaking game where a player needs to guess a 4 digit number. Each digit in this number, referred to as the secret , is unique. When the user makes a guess , each digit in their guess is compared with the digits in secret . Matching digits in the same position are referred to as Bulls. Matching digits in the wrong

1 3 . 2 - 2 Argue that in every n - node binary search tree, there are exactly n - 1 possible rotations.

so the first picture says I have too many indicies so I deleted one now it says that mask does not correspond to proper dimensions even tho mask is label which is shown below In [139]: labels Out [139]: \begin{tabular}{rr} 0 & \\ \hline 1.0 & CNS \\ 2.0 & CNS \\ 3.0 & CNS \end{tabular} 4.0 RENAL 5.0 BREAST 60.0 MELANOMA 61.0 MELANOMA 62.0 MELANOMA
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Discuss the importance and benefits of various file systems used in Cisco IOS

Question 1 Which of the following is a correct statement? Unlike Transport Layer, Network Layer does not concern with the data integrity. Network Layer is responsible for transmitting data between processes of two hosts / operating systems. Network Layer is responsible for transmitting data between networks. Network Layer does not handle traffc

5 ) What is wrong with the following code fragment? class X { public X ( int i ) { System.out.println ( 1 ) ; } } class Y extends X { public Y ( ) { System.out.println ( 2 ) ; } }

nikto web scanner hacking tools DEFENSE This section will discuss how to defend against your specific hacking tool. Screen shots and diagrams again are good additions?

The method sellProduct of the Juice Machine programming example gives the user only two chances to enter enough money to buy the product. Rewrite the definition of the method sellProduct so that it keeps prompting the user to enter more money as long as the user has not entered enough money to buy the product. Also, write a program to test your

TID 2 . 1 Sets "Ticket in The Door" Using the example on the slide 3 "Notation" fill in True of False 2 inS True 1 0 inS False 8 inS True 5 inS False Using the example on the slide 5 "Universal Set U " fill in True of False { c , a , t } { p , i } s u b e U . s u b e L The complement of A is A c or A ' or ? b a r ( A ) Fill in the blanks if , U =
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What best describes the double descent phenomenon observed in neural network training? Group of answer choices As model capacity increases, test error decreases monotonically, reflecting an improvement in model generalization due to increased parameterization. When the model is exactly or slightly under - parameterized, test error is minimized,

Which of the following is not accurate? Records represent attributes of a table. Rows in a table are called records. Fields represent attributes of a class. Columns in a table are called fields.
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please provide all cases Prove that the following languages are not context-free using the context-free pumping lemma. (a) L1={aibjckdmi,j,k,mZ0,j=k,i+j+k=m}
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using Java 1. Write a program to input and count the number of positive and negative numbers from the given numbers. Use: If statement(cond) Sample output: 100 -90 80 -70 Expected output: Print +ve numbers: 100,80 Print-ve numbers: -90, -70
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Design a simple application in XCode, using Swift, called MyAdventure. Use concepts learned in Module 5 . Requirements Use a class / struct that associates with your adventure choices. Give your users two / three options to choose from. End their adventure successfully / unsuccessfully based on their choices. Refactor your application using MVC

Use either the digital-logic MATLAB-based Toolbox or MATLAB codes to solve Einstein's riddle. Riddle: There are 5 houses in five different colors. In each house lives a person with a different nationality. These five owners drink a certain type of beverage, smoke a certain brand of cigar and keep a certain pet. No owners have the same pet, smoke
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Given the current node configuration as in the figure below, write the output when the code statements i-vi below executes next next next data A data F D 7 data Z Oxf227 Oxf33 Oxf44 memory: Oxf11 head travel tail menerar: Oxf55 Oxf77 Oxf66 OUTPUT CODE STATEMENT i.coutnext->data: *next->data; iv.coutdata : "data; v.coutnext->next : next->next; vi.
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C a n u c h e c k t h e f o l l o w i n g l a t e x c o d e ? ? documentclass { a r t i c l e } ? ? ? usepackage { amsmath } ? ? ? title { He 1 1 o Wor 1 d ! } \ author { Your Name } ? ? ? date { January 1 . 1 8 3 1 } ? ? ? begin { document } ? ? ? maketitle give equations their own space: ? ? ? begin { equation } ? ? ? gamma ? ? ? 2 + ? ? theta ?
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Object - Oriented programming groups related variables and functions into data structures called properties. true or false?

python INS . . . 1. Please create a Python program that loop through a list from 147 to 62 by -3 during each iteration. Also, print out the total number of times that the program looped along with the ending number. (15 points) 2. Please create a python program that will perform ask an instructor to input grades from a recent test. The program
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****OCTAVE**** Problem 4!!!!!!! (Problem 2 and 3 answers can find in another post) Problem 4. (30%) This is an OCTAVE problem. Build an OCTAVE function that takes the data matrix X and a positive integer p as input arguments. Output the dissimilarity matrix D using the distance function of Minikowski distance with h = p. Test your code with the
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Consider the following set up: PC-PT PCO 2000-2017 Switch PCO has already been configured with an IP address of 192.168.5 2/24 Assuming that you are now running a terminal application in PCO and are currently having the following prompt from the switch: Switch> (a) Provide the commands to configure the switch with IP address 192.168.5.99/24 (b)
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When configuring a vNIC, which choice is used to allow VMs on the same host to communicate but NOT with other network nodes? Bridged mode NAT mode Host - Only mode Internal Mode
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Question 1: (5 pts) Let A={1,2,3,5,6},B={3,4,6,8} be two subsets of the universal set U={1,2,3,4,5,6,7,8,9,10} Draw Venn diagrams to represent the following sets a) A(1pts) b) B(1 pts) c) AB(1 pts ) d) AB(1 pts) e) (AB)(1 pts ) f) (AB)(1pts)
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Question 4 0 of 4 0 In the original test pyramid concept, tests are ordered from bottom to top according to which two factors? number of tests, from fewest to greatest level of integration, from most isolated to most integrated
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Let g : A B and f : B C be two functions. Prove or disprove the followings: (a) if f and g are surjective, then (f g) is surjective. (b) if f and g are injective, then (f g) is injective.

A message - passing model is _ _ _ _ . A ) easier to implement than a shared memory model for intercomputer communication B ) faster than the shared memory model C ) a network protocol, and does not apply to operating systems D ) only useful for small simple operating system

ETHICAL HACK W4A1 Summarize what PKI is and how it works. Include the use of a CA and also include why the backing up of these keys is so important. Assignment Objectives: 1. 1.Summerize the role of Public Key Infrastructure (PKI). 2. Discuss the use of a Certificate Authority (CA). The online HTML and CSS cleaner will take care of your dirty

Your company hires FireEye to install security software and monitor your systems. This is an example of risk limitation acceptance avoidance transference
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What do you understand by the terms cohesion and coupling? Explain why maximizing cohesion and minimizing coupling leads to more reliable systems.

Please help is due tonight. legible hand writing please. a) Explain why we prefer to model computations with addition and multiplication rather than subtraction and division. a) Explain why we prefer to model computations with addition and multiplication rather than subtraction and division
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For this problem, you will be writing a Diary class that can record weekly appointments, like class meeting times, project meetings, lab sessions, etc. To do this, the Diary class maintains a 2-D array of time entries where rows represent the day of the week, and columns represent the hour of the day. We will only be storing 10 hours' worth of
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Computers and printers on a LAN are connected to a ( n ) _ _ _ _ _ _ _ _ to communicate and transmit messages on the LAN. Question 1 9 Answer a . http server b . root server c . routing table d . TLD e . switch

Make 3 different circuits for sw(store word), lw(load word), and lui(load upper immediate) based on this layout on logisim Ss St xxout
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What does the session variable represent in the session = requests.Session ( ) command?

Officer Mills was provided with a search warrant to search a suspect's home. During the search, he found illegal narcotics. Later, Officer Mills learned that the search warrant was not supported by a properly authenticated affidavit. Should the narcotics be admissible at trial? No , because Officer Mills did not obtain the search warrant himself.

Task 3: Complete the following function template: function PERMUTERows(puzzle, x, y, z) end function This function should take a four-element vector called puzzle, which will be of the form of the output of MAKEVEC- TOR as an input parameter, as well as three integers x, y and z. The function will return puzzle but with elements puzzle[1],
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Listen All microcontrollers have additional data EEPROM memory. True False Question 5 ( 1 point ) Saved The peripherals, and the amount of memory an application needs to run a program,largely determine which PIC MCU to use. True False
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Use the header and other files listed below for problems 1 and 2. Each problem has 3 files that correspond to the problem. Problem 1, linked list deque and bag implementations. First, complete the linked list implementation of the deque and bag ADTs in C language. To do this, implement all functions with the // FIXME... comments in linkedList.c

Complete the remove_from_odd_indices(numbers_list) function that takes a single parameter, an integer list called numbers_list. The function removes all the items in this list that are located at odd indices. Note that this function does not create a new list or return a list - it modifies numbers_list in place . Some examples of the function

Can anyone explain how you got the answer without just running the program? I want to know how you get the answe step by step because I don't really understand the concept of swapping. Please either write on the paper or just write in chegg as specific as you can, Thank you public class Q4 { public static void main( String [] args ) { int j, k, m,

write a python 3 program that allows for the following mandatory & optional Command line arguments to be used when running the program: name(mandatory) color(optional) type(optional) when the program is run through the command line, the user must be able to add these so that the program may print out the values provided. If a value is not provided

2) Expand the sums a) b) c) d) e) f) (21 1) ( 1 =1 (21 1) ( 1 1=1 =1 (10) 5=1 = (125) () j=1 3 3(21 + 1) + 1) 24 2=0 1 2 j=1 =
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Problem Description: Write a Python program which reads a list of fu11 names - one per record. Each record ends with the new line - including the last one. The program reads the file, converts the ifnes (fuli names) into a list of strings. A random number is generated for a first name and then the first name is parsed from the 1 ist of strings. A
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can you draw PDA for these two languages seperately L = { a ^ n b ^ 2 n - 1 | n > = 0 } L = { a ^ n b ^ 2 n + 1 | n > = 0 }

True or False: Linux does not have a Graphical User Interface ( GUI ) . Group of answer choices True False

MUST BE IN C++. Write a program named PigDice.cppthat plays the game Pig. Pig is a two-player game where the players take turns repeatedly rolling a singlesided die; a player repeatedly rolls the die until one of two events occurs. Either the person chooses to stop rolling, in which case the sum of that players rolls are added to his/her total

Which of the following is NOT true about data on computers. Group of answer choices Every piece of data has a data type There are an infinite number of numerical values that can be stored on a computer All information on a computer is stored using bits Instances of data types are stored in variables

A prime number is a number greater than 1 that is only evenly divisible by itself and 1. For example, the number 11 is prime because it can only be evenly divided by 1 and 11. The number 12, however is not prime because it can be divided evenly by 1, 2, 3, 6, and 12. In a file Lab5.py, write a Boolean function named is_prime() which takes an

Need help with the following MIPS asseembly question please!! Write a MIPS program which will accept 1 positive integer, in effect n. Your program is to calculate P(n.r) for all possible combinations n and r from n down to 1. For example, the user enters 3, then your program should generate as output P(3,3) 6 P(3,2) 6 P(2,2) 2 P(2,1) 2 To make you
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A 1 6 - KB ( kilobyte ) memory has a 1 6 - bit wordsize. How many words can be stored in this memory? ( Note that a kilobyte is 1 0 2 4 bytes. )

Why do we need to specify the texture coordinates when applying texture to an object

Minimum Weight Subgraph of a Tree. Suppose you are given a tree T with non-negative edge weights, and a positive integer k. Give an algorithm that runs in O(nk^2) time and finds a connected subgraph of T with minimum weight that contains at least k edges.

function of the distance x from the outside to a point inside the wall. What is the meaning of the slope of the line?\ T(x)= \ (Simplify your answer. Do not factor. Use integers or fractions for any numbers in the expression )\ What is the meaning of the slope of the line? Select the correct choice below and fill in the answer box within your
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When do you perform cost ( effort ) estimation for the software project? Group of answer choices Coding phase When the project idea is conceived Throughout the project life cycle Requirements engineering phase

I need help with this. Please help! #ifndef POLYNOMIAL _ H #define POLYNOMIAL _ H #include #include #include #include "term.h " class Polynomial { public: / * * * Create a bad / invalid polynomial of degree - 1 . * Arithmetic operations are not permitted on this bad value * and may cause a program to crash. Nonetheless, this value * is useful as a

a.4 This is Microcomputer maintenance 1. Two methods for recovering from a forgetten BIOS passwords are a. Flashing the ROM BIOS b. Shorting the CMOS with a jumper c. Pressing F8 during bootup and choose safe Mode d. Replacing the motherboard BIOS. e Removing the CMOS battery 2. Which of the following settings are found in CMOS?(Select all that

A charge Q=+75nC is placed on the x -axis at x=+4.0m , and a second charge q=-8.0nC is placed at the origin. What is the magnitude of the electric field on the y -axis at y=+3.0m ?\ a. 19(N)/(C) \ b. 21(N)/(C) \ c. 23(N)/(C) \ d. 32(N)/(C) \ e. 35(N)/(C) 13. A charge Q=+75nC is placed on the x-axis at x=+4.0m, and a second charge q=8.0nC is placed
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1-6. Write C++ statements that do the following: 1. Define an enumerated type for common colors with values for RED, GREEN, BLUE, YELLOW, ORANGE, and PURPLE. (By using that order, the color purple will be last.) 2. Declare an enumerated color variable called col. 3. Assign to col the color GREEN. 4. Increment col to the next value. (This only

Insert the missing line of code so that the following adds the integers from 1 to 10, inclusive. value = 0: top = 10: score = 1: while (score using namespace std: int main () { int low, high { cout
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My question is can you rewrite the draw_hist method into two separate methods so that it doesn't take an auto type as one of it's parameters and instead takes a string and an integer? We are not allowed to use auto. Here is a copy of my program: (everything else compiles fine) #include #include #include #include using namespace std; const int

Having heard you have gotten really good at programming, your friend has come to ask for your help with a simple task. She would like you to implement a program to encrypt the messages she exchanges with her friends. The idea is very simple. Every letter of the alphabet will be substituted with some other letter according to a given key pattern

Redraw the unstructured flow charts so that they are structured Write the pseudocode for each correct flowchart

Could anyone compare Naive Bayes and LDA for me? (1) What's one advantage of LDA over Naive Bayes? (2) What's one advantage of Naive Bayes over LDA ?

\\\\table[[Speed (km/hr),Number of Players],[ 10-13.9 ,4],[ 14-17.9 ,8],[ 18-21.9 ,20],[ 22-25.9 ,61],[ 26-29.9 ,228],[ 30-33.9 ,212]]\ (a) There are classes\ (Type a whole number.)\ (b) The lower class limit for the fourth class is\ (Type an integer or a decimal. Do not round.)\ The upper class limit for the fourth class is\ (Type an integer or a
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Please write the code for the simple C program. Block Access Algorithms Make sure the program meets the following requirements: 1. Reads data from stdin, displays results in format as specified. 2. Displays proper results for the four block access alogrithms discussed. In this assignment, you will be writing a program that reads a list of disk
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Build a database using the given SQL queries and provide the SQL queries for the following questions: Questions: (provide SQL queries as answers) 1) join Get all combinations of Supplier and Part information such that Supplier and Part are located in the same city 2) join condition Get all combinations of Suppliers and Part information such that

Overview In this assignment, you will write a program to track monthly sales data for a small company. Input Input for this program will come from two different disk files. Your program will read from these files by explicitly opening them. The seller file (sellers.txt) consists of an unknown number of records, each representing one sale. Records

An employee trained to handle PII and SPII leaves confidential patient information unlocked in a public area. Which ethical principles does this violate? Select all that apply. Privacy protections Laws Remaining unbiased Confidentiality
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C CODE PLEASE print all none prime numbers between two numbers. These two numbers should be entered by user. For Example: Input: 21 , 38 Output: 22,24,25,26,27,28,30,32,33,34,35,36

Given equation X = C- [AB] 24/4 Write an instructions to show the equation above using 0- address and 1-address. Note that content A, B C cannot be modified. Register x,y and z can be used as temporary register. Store the final result in address X
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2 and 3 are the ones i'm having issues with. A little explanation on this would help a ton. You are given two regular expressions defining two languages L1 and L2, as shown below. We want to find the Finite Automaton that defines the intersection of the two language: L1 n L2. Answer the following questions L1: (a + b)'a L2: (a + b)*aa(a + b)* draw
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solve the given recurrence using Master theorem. T ( n ) = 2 T ( n / 2 ) + 1

3) (4 pts) Prove that if L is regular language then L is a regular language
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A ( n ) is a comprehensive display and access system that provides employees with up - to - the - minute information necessary to make decisions. A . intranet B . acquired database C . syndicated research report D . marketing dashboard E . market intelligence system
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Is that true that Generative learning typically requires learning more parameters than discriminative learning (assuming the same number of features and examples)? Why?

How do you port forward on a linux device? Please list each instruction and explain each step needed to port forward from one port to another on a linux machine. It is suggested to use iptables, but I am not sure how to do it with iptables

2 - 3 Assignment: Vector Sorting C + +

3 Study the following flowchart: START t = 0, er- INPUT num No No IS num >= ? r-r+ 1 IS r > 2? Yes Yes t.t + num na n + 1 No IS E > -507 Yes t_n OUTPUT a &" and " &r STOP (a) Give the output from the system when the following data is entered: -3 4 126 20 -1 12 Show your working by completing the trace table, or showing your working through the
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Question 1 The internet can be used as a research tool or as the object of a study. Which of the following examples best describes an investigator using the internet as a research tool?
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write a verilog code Project description: In this project, we need to upgrade our accumulator computer described and implemented in the example above to a bit more complicated computer. The memory in this computer system is 1 6 - bit cell memory with size of 1 2 8 cells ( i . e . cell width = 1 6 bits ) . The memory is synchronous to the CPU, and

Hi I need help in flowchart and desk checking. 1. Swapping (using 3 variables) a, b, temp Scenario 1: input a = 3 and b = 4 Scenario 2: input a = 19 and b = 74. 2. Swapping (using 2 variables) a,b Scenario 1: input a = 8 and b = 9 Scenario 2: input a = 74 and b = 75. Please do include flowchart and desk checking in each Scenario.

c++ please 2. Given an equation, you should simplify it using K-map method. Use a programming language to program the output Boolean function resulting from your simplification steps and test the output with a random input combination. F=Sm(0,1,2,3,6,7, 10,11)
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Write one program in python using the Vigenere Cipher that takes the key "ISS" and plaintext "ZHYIANAALLEN" as two inputs to generate a ciphertext. please include pictures and comments to understand code

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