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Databases Questions and Answers July 26, 2018

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Define HTML (hypertext markup language) and CSS (cascading style sheets) and how HTML and CSS are used in the website development process.

Choose a web-based application in which menu selection and form fill-in are more appropriate than a direct-manipulation strategy. In your initial post, include the following: A link to the site A description of the intended audience An explanation of why menu selection or form fill-in would be preferred over direct manipulation according to the

What are the advantages of adding optional components to a cluster is similar to adding components through the use of initialization actions Group of answer choices Faster cluster startup times Tested compatibility with specific Dataproc versions Use of a cluster parameter instead of an initialization action script Optional components are

Question 2 1 5 p t s Assertions You will identify various assertions as being either always true, never true or sometimes true / sometimes false at various points in program execution. The comments in the method below indicate the points of interest.Fill in the table below with the words ALWAYS ( A ) , NEVER ( N ) or SOMETIMES ( S ) . # y = 0 y %
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Q#3 (a) Design a 5*32 decoder using 2*4 decoders and one 1*2 decoder. (5) (CL03) (b) Implement a 4 input function with a 8*1 Mux. (5) (CLO3) F(A,B,C,D)= 2(0,2,5,7,10,13,14,15)
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Why is feasibility analysis considered a crucial step in the integration of generative AI into business workflows? 1 point To assess workforce requirements and model impact To focus solely on cost - cutting measures To increase the affordability of generative AI models To prioritize all business functions equa

1 . Write a program that calculates how much a person earns in a month if the salary is one penny on the first day, two pennies on the second day, four pennies on the third day, and so on with the daily pay doubling each day the employee works. The program should ask the user for the number of days the employee worked during the month, validate

3. Suppose !A=> B and B=!B are both true statements. (a) Derive the value of B using a truth table that has two lines. (It should not involve A.) Explain why the truth table implies the value of B that you give. (b) Use the fact that an implication propagate True to the right and False to the left to establish the value of A. Explain your reasoning
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(8 points) Represent (in binary and separately) the decimal signed whole numbers 436 and - 436 in each of the following formats: (a) sign-magnitude. (b) l's complement (c) 2's complement (d) excess-511 For Parts (a), (b) and (c), use the minimum number of bits necessary; for Part (d), use the same number of bits as in Parts (a), (b) and (c).
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2. (15 pts.) Find an exact closed-form formula for A(n), the worst-case number of addi- tions performed by the following function on input n: procedure Q(n) if n = 1 then return n 1 return 2+3+n+ Q(n-) Q(n-1)
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A molecule is a grouping of two or more atoms. A molecule can be written as a sequence of the symbols of its atoms. For example, H denotes an atom of hydrogen, C denotes an atom of carbon, and O denotes an atom of oxygen. Formic Acid is defined by the sequence HCOOH, which is a hydrogen, carbon, oxygen, oxygen, hydrogen atoms. If a digit is placed

NOTE: Could not fit all code into the text box; images attached are what remains of the problem. ** Implement the function bodies where it says TODO** // Exercise 2.4.29 package Homework; import stdlib.*; import java.util.Iterator; import java.util.NoSuchElementException; public class hw8 { // To turn on assertions for a program in eclipse, // run
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1. Introduction You will be primarily using priority queues for this programming assignment. Among priority queues, you are free to pick and choose the most appropriate/efficient heap implementation. Your design can also use any other data structures that we have discussed in class, as long as the use of such a data structure could be justified
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Which can help offset the digital divide? a . Reducing the number of computer equipment at schools b . Reducing the Internet bandwidth for the information - poor c . Increasing the speed of the Internet for the information - rich d . Increasing the number of computers in public places
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C++ language Write a function stringCopy() that takes two C-strings, t and s, copy s into t, then return the resulting string t. In other words, it works exactly like the C- string library function strcpy(). Use all pointer notation and direct pointer access to move down the strings. Do not write any comments in your code. You may not use any

Suppose a heap is created by enqueuing elements in this order: 20, 18, 16, 14, 12. Then the order of the nodes in the underlying binary tree, from level 0 to level 2, left to right, is: 20, 18, 16, 14, 12. 12, 14, 16, 18, 20. 20, 16, 18, 12, 14. 18, 20, 12, 14, 16.

NJIT Moodle IST Service Desk Faculty Help Page Student Help Account information estion Username: student password: passwdiTfinal Username: root password: passwdiTfinal If you cannot get your cursor back from your App, pressing the ctrl and alt keys should set the focus back to the host OS so that you may take a screen shot. Start your server VM
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What is a list index? Group of answer choices It is the offset of an element from the beginning of the list. The first item in the list has an index of 0 . The index is a measure of the efficiency of the list. It is the number of the element within the list. The first element has an index of 1 . The index is the value of the list.

c++ program help : at the very end of this, the if statement is supposed to be, if the tempTotal is more than the largestTotal then the largestTotal is updated and the popularMajor is the major listed on that line. How to fix? void popularMajor(ifstream &inFile) { char major[MAXCHAR], majorCategory[MAXCHAR], shareWomen[MAXCHAR],

Translate the following call to Schemes COND to C ++ and set the resulting value to y. (COND ((> x 10) x) (( < x 5) (* 2 x)) ((= x 7) (+ x 10)) )

7. (10pts) Here is a series of address references given as word addresses: 1,20,9,4, 17,9, 11,4,9,20, 17. Assume a direct-mapped cache with 8 one-word blocks that initially empty, label each memory reference in the list as a hit or a miss and complete the cache table below. Assume 6-bit long (given in parenthesis). What is the hit rate? memory
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describes the ways two different companies use Michael Porters three strategies. How are information systems assisting these companies in implementing each strategy? How has Walmart (for the most part) become a cost leader?

True or False ( required ) When needed, you can share your E - Verify user ID and password with other users if they need to log in to manag case. True False
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In Excel, columns are identified by numbers and rows by letters. Group of answer choices True False

I am having a hard time understanding this program. I dont understand why this program prints c as 4 instead of 5 on the line commented in the code. I know a is 1 and b is 2 because when the recursion call ends those variable goes away. A remains 1 because of the global variable, and b remains 2 due to the local B in main().

2. Convert the following infix expressions to postfix notation. i. (AB)/(CD)E ii. ((AB)(C+D)E)/FG iii. A+B/(C+D)/E+FGH
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In the following code, if 3 > 2 : print ( " 3 is larger." ) What is the datatype of the condition 3 > 2 ?

Design BCD to 6311 Code Converter .1 ) (2 )
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What are the components of an Image Processing System? Draw diagram to shows the basic components comprising a typical general - purpose system used for digital image processing.

Question # 3: Assume that before each of the following instructions is executed. Register A contain Z4 H, Register B contain YC H and Register F (Flag) contain OoXoXoX1 (Xs represent the unspecified bits of F). Specify in Binary the contents of register A, B, F immediately after each instruction is executed in the sequence given. MVI B, 4ZH ANA B

1. Tossing Coins for a Dollar For this assignment you will create a game program using the Coin class from Programming Challenge 12. The program should have three instances of the Coin class: one representing a quarter, one representing a dime, and one representing a nickel. When the game begins, your starting balance is $0. During each round of

Hello, i need to transform this VHDL four bit counter into an eight bit counter. library IEEE; use IEEE.STD_LOGIC_1164.ALL; use IEEE.std_logic_signed.all; use IEEE.NUMERIC_STD.ALL; -- this library package defines the conversion functions -- from std_logic_vector to integer TO_INTEGER(slv_sig) -- Uncomment the following library declaration if using

a variable of type signed int stores a value of 2 , 1 4 7 , 4 8 3 , 6 4 7

C Programming Create a dictionary object in C. Include dictionary.c and dictionary.h. Include functions init, value, add, remove, destroy, and print

Write a single Python program (.py) file that fulfills all of the requirements given below. You will upload that single Python file to the Canvas Homework 1 Assignment Dropbox. You will name that file: Firstname_Lastname_CWID.py, using your actual name and student ID (CWID). The description below requires that you write four different functions
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What does RAID stand for in the context of data storage? a ) Random Array of Independent Disks b ) Redundant Array of Inexpensive Disks c ) Realtime Array of Integrated Disks d ) Repeated Array of Internal Data

Consider the following information about a car-insurance company. a.A Customer has Driver_ID, Name, Address. b. Cars have license, Model, year. c.A customer can own multiple cars, but each car belongs to at most one customer. d. The company keeps the record of cars, and owner of the car participated in accidents. e. Accidents include report-no,

An alternative design for a canary mechanism place the NULL value just below the return address. What is the rationale for this design decision? When does this method meet its objectives, and what are its limitations?

Why is it crucial for a programmer to be aware of the valid value range for each data element stored in a class?

Note that colors from C can be used more than once and that not all colors in C must be used. An example of a solid cube over the set of colors C = {Red, Green, Blue} is: Top - Green Front - Green Right - Blue Back - Green Left - Blue Bottom - Green Notice that the color Red is not used in this example. Also assume that, before painting, each face

lo : Write C++ program to find the summation of the following series: [ 2-12 +22+32 +1+12 i=1
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Consider two signed binary numbers A=(-20)10 and B=(35)10. Perform the subtraction (A-B) of the two values using the signed-2s complement representation and the minimum number of digits to accommodate the numbers. (i) Express the result in binary, (ii) How many bits are needed to represent the result? A. (i) 1110111, (ii) 7 bits B. (i) 10110111,

I need a python 3 help from operator import add, mul def square(x): return x * x def negate(x): return -x def identity(x): return x def triple(x): return 3 * x def increment(x): return x+1 def increment_by(x, step): return x + step Q2.5 Higher Order Inputs Write a function higher_order_input that takes inputs x and returns a function given the

Use MIPS assembly code to implement the following problem: Given a number N (N is a positive integer), compute the sum 1 to N. For example, if I input 5, the output should be 15. (Without using loops)

Label each element of the Report Design View window shown in Figure Label each element of the Report Design View window shown in Figure
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Write a method named decimalToBinary that accepts an integer as a parameter and returns an integer whose digits look like that number's representation in binary (base-2). For example, the call of decimalToBinary (43) should return 181811 Constraints: Do not use a string in your solution. Also do not use any built-in base conversion methods like
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Lab Objectives: Practice dynamic memory allocation and de - allocation. Understand the difference between shallow and deep copy. QUESTION 1 : Implement Doctor class as follows: \ table [ [ Doctor ] , [ ( - ) id _ _ Type: int ] , [ ( - ) name _ Type: string ] , [ ( - ) salary _ Type: float ] ] Write for me a c + + code
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Writing of Triggers, and SQL correlated and uncorrelated nested queries.

Most smartphones feature an app called phone or dialer. Draw a UML state diagram to model the behavior of this app (i.e., for the entire system).

What does "syntax" refer to in programming language? The form of its expressions, statements, and program units The errors found during program execution The user interface design of a software application The speed of program execution
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Discuss the architectural advancements of India and South Asia in the period after 1 2 0 0 .

Use Python3 in mathematics, the square root of a negative number is not real ; in Python, therefore, passing such a value to the square root function returns a value known as NaN (not-a-number). Write the code that reads a value, the area of some square, into a variable named areaOfSquare, and prints out the length of the side of that square.

a class named Actor extends class movie and both class have a method called getName ( ) contains differents code

What are tools that are built into browsers to help diagnose issues with the browsers

State true or false: The Apache foundation is a non - profit organization that supports the development and dissemination of 3 5 0 + open - source software projects. True False

What is a fundamental difference between a mutex and a semaphore? How does this enable bounded buffer exclusion?

Q8. [10] Heap Sort A maximum heap is used to sort an array A of length n in ascending order. What is the running time of Heap-Sort algorithm on an array A that is already sorted in ascending order? Explain your answer.

8. (10 pts) Using the series of references given in the following table, show the hits and misses and final cache contents for a two-way set associative cache with one-word blocks and a total size of 8 words. Assume LRU replacement and 7-bit memory address. What is the miss rate? Reference Hit or miss Set # | Block | Valid Tag Data 2 (0000010) bit
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What point is being made about the use of the waterfall model?

Recall the 1-bit comparator circuit from your Digital Logic course. Write the Verilog HDL code for 1-bit comparator and then 2-bit comparator using hierarchical modeling technique. Write some advantages of FPGA in your own wordings. Not more than 5 lines

identify whether asymmetric key encryption or symmetric key encryption Required: Match the descriptions with each encryption method. Encryption Method Descriptions Good for large data sets a. Slow in processing b. Convenient for key distribution & key management C. Each user has a public-key and a private key d. Good for authentication e
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Gwen the following number: 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 What would be the value in DECiMAL if 2 ' s complement encoding was used? A . 3 2 8 . 3 1 c . 3 ? 1 0 . - 3 1
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Please answer fast with the right multiple choice answers . Thanks a lot
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Question 7 Build a TG that accepts the language consisting of all words of which the second character is equal to the last character. Thus words to be accepted include aaa, abb, bbababaaab. Note that the shortest words to be accepted should have length three

Question 2 Which of these addresses identify a computer on the network?

Create an Application on asp.net mvc with below functionality. use SQL Server ,C# and ASP.net MVC. 1.User can Login and Logout. 2.Able to add users(name ,email,ACtive) with credentials/password. 3.Show userlists in grid with datatable js. 4.Show user detail by clicking on any of the user. 5.Able to add roles (super admin,system user) 6.Able to

Question Anonymous Askod 4 months ago Program Development Cycle Steps #1 and #2 Analyze the problem 1. Give solution station 2.Give Variables 3. Give possible data Design the Flowchart 1. 3 modules An applicant is applying for a job at Trackdata Computing Company. The company requires that all applicants must be a U.S. citizen, 21 years of age or
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Please solve this problem using the 1 8 implication and equivalence rules. ( You can type the proof into the answer window below or insert an image or document using Upload image or Upload document function above. ) 1 . M v ( ~O v N ) 2 . ~M ( ~O v P ) / ~O v ( N P ) 3 . 4 . 5 . 6 . 7 .

1 . 1 Calculate the "Length of Membership in Days" for Bridget Sexton. Use the TODAY ( ) function and the "Sign Up Date" in your formilila. Format the output to General. Copy and paste the formula down the column to calculate the length of membership in days for the other members.
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A scoping review of the literature featuring research ethics and research integrity cases There has been an increase in academic interest in research ethics ( RE ) and research integrity ( RI ) over the past decade. This is due, among other reasons, to the changing research environment with new and complex technologies, increased pressure to

One category of project management software is high-end tools, sometimes referred to as ____________________ project management software.

What is the difference between a "deterministic" task environment and a "stochastic" one?

Q#10: Find vertices and edges from the given diagram: b d f h i k 1
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SQL code for Name, Creature Type, Creature SubType and Gender for all well - worn creatures those who have made 5 or more appearances. Include those who have made exactly 5 appearances. Order by ascending idLitCharacters.

The Major Element of Informative Graphics includes which of the following? explicitly referring to and interpreting the graphic in the surrounding text correctly creating and placing the graphic citing the graphic or the content in the graphic following the conventions ( rules ) for the graphic type all of the above
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3. Expectation (10 points) Consider the binary tree below. Observe that it has a weight for each edge. Let the weighted path length of a path in the tree be the sum of its edge weights. Assume that each path in the tree is equally likely to be chosen. Derive the expected weighted path length to a leaf from the root. Justify your answer. 50 100
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I need help in developing a draft for this question. I have included photos as the references relevant to the question below. It is for my Societal Issues in Computing course. 2.25 - Photo Permissions: When is asking a person's permission before posting their picture online. When is it simply a courtesy, and when is it an ethical obligation. 2.1
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2. Find a left-linear grammar for the language L = ((aab * ba)*)
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3. Convert the following infix expressions to prefix notation. i. (AB)/(CD)+E ii. ((AB)(CD)/E)/F+G iii.A + B / (C - D) /E+FGH
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A ViewModel will be NOT be destroyed in which situation? When the app calls finish ( ) on the Activity When the system closes the app due to lack of resources When the user intentionally dismisses the app When the Activity is either paused, stopped, or destroyed
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Convert the IEEE 754 32-bit representation 11000001100010110000000000000000 into decimal.

The data structures you will use if you want to go to first record from the last and vice versa a . Stack b . Linked list c . Doubly linked circular list d . Queue
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Hi, I need this question in c++ language as soon as possible The following diagram illustrates the classes you will implement in this lab and their relationships. Book Class Implement the Class book as described in the UML diagram above, Notice that: 1- print_details and destructor are virtual. 2- merge (Book) is a pure function. 3- in the
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What is the difference between contention-based and control-based networks? Which medium access control method is used in contention-based networks? Explain this method elaborately.

Explain the difference between a function prototype and a function definition. Use a C++ program segment to illustrate your answer.

use Matlab to calculate the RMS voltage of a rectangular pulse shaped waveform with a period of 1 ms. The wave should have a minimum peak of 0 V and a maximum peak of 4 V. Calculate the RMS voltage for ON time duty cycles of 20, 50 and 80 percent. Also calculate the RMS voltage for a triangular wave of the same voltage levels (going from 0 to 4

2 of 3 points) To answer these questions, you will use Wireshark software - see class notes and 1/28 lecture on how to use this software. On January 27, 2020 I used Wireshark on my office computer to capture 9 data packets that were sent and received by my Office Computer when I typed this URL into my Firefox browser: http://facweb.cdm.depaul.edu
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Create a directory on your OneDrive named CS140, Create subdirectories under this directory named Lab1, Lab2, Lab3, CoreSignatureAssignment. Finally, Zip(Windows) or Compress(Mac) the CS140 Directory and submit for credit.

Question 1 of 3 What should you do with the contact trip trigger? Always use the contact trip trigger. Limit the use of the contact trip trigger. Nail guns don't have a contact trip trigger.
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2. Use the pigeonhole principle for the following questions. (a) You randomly select k integers between 1 and 100, inclusive. What is the smallest k that guarantees that at least one pair of the selected integers will sum to 101? Prove your answer. (b) Prove that among a group of 621 people, there are at least 21 who are born on the same day of
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6. (25 points) Randomness and Autocorrelations. Using a computer program such as Matlab, Excel, Mathematica, or MathCAD create a vector of 100 random numbers using a built-in random number generator function. Each random number should be between 0 and 1 (open or closed interval is fine), so scale your numbers appropriately. (a) Using the computer
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I'm having trouble with a bit of code: public static String compareLength(String a,String b) { if(a.length()==b.length()) { return "Both are equal"; } else if(a.length()>b.length()) { return a; } else { return b; } } Although it runs fine, I keep getting the error isLeapYear(1992) incorrectly returns false. This is the prompt for this section of

Could I please have the solution to the following question: Using the bilinear transform method determine the pulse transfer function, G(z), of a digital notch filter, i.e. a narrow band reject filter, starting from an analogue filter described by the transfer function: G(s)=s2+4s+1s2+1 The filter should have a zero amplitude response at a
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A = 1 2 print ( a ) If a < 2 0 : print ( t 1 ) A = 4 5 print ( t 2 ) print ( a )

IN PYTHON get input value from command line Consinder simplest program for evaluating the formula y(t)=v0t-0.5gt 2 v0=3 g = 9.81 t= 0.6 y= v0*t - 0.5*g*t**2 print y Improve above program by letting users input v0 and t from command line using the following method. It also should set default values to v0=10 and default t value to 1. ( use argparse

Python 3.6 Problem 1. Write a function named initialLetterCount that takes one parameter, wordList - a list of words. Create and return a dictionarv in which each initial letter of a word in wordList is a kev and the corresponding value is the number of words in wordList that begin with that letter. The keys in the dictionary should be
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Explain in detail how hierarchical voting works. please provide 5-6 examples

Angela wants to limit the potential impact of malicious Bash scripts. Which of the following is the most effective technique she can use to do so without a significant usability impact for most users? Group of answer choices A . Disable Bash. B . Switch to another shell. C . Use Bash s restricted mode. D . Prevent execution of Bash scripts.

Next pointer of last node in a double linked list contains the address a . First Node b . Last node c . Previous node d . NULL
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Binary search trees have their best performance when they are balanced, which means that at each node, n, the height of the left subtree of n is within one of the height of the right subtree of n. Write a function (and a test program) which takes a sorted list of entries and produces a balanced binary search tree. Using the following files

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