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Databases Questions and Answers January 18, 2021

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The value of pi can be approximated using the Nilakantha series pi = 3 + 4/(2-3-4) - 4/(4 5 6) + 4/(6.7.8) - 4/(8.910)+4/(10.11.12) + Write a program that calculates the value of pi with a variable level of accuracy. For instance, if the desired accuracy is 10-6, the absolute difference between the true value of pl (see below) and the
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Circuit help ! Question 3) Write the 1. The Boolesn expression for F 2. Fill the complete truth table for the following lagic gate circuit 3. Indude each output for the three logic circuite and add the output to the empty cells in the table. 4. Do the caiculation for F in the allowable space. Do not just write the final ariawer
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follow the requirement to write a c program. thankyou very much Write a program to create random sentences. Read from an input file that contains article, nouns, verbs, and prepositions. An example input file 10 Articles 5 the a one some any Nouns 5 boy girl dog town car VerbS 5 drove jumped ran walked skipped Prepositions 5 to from over under on
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a. Complete the following code by use Linux command "find" and -h Prototype inside the system call exec (use execlp) and show the output. (2 mark) \#include \#include int main() printf("EXEC Failed ")
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. Using EdSim, solve the following problems
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Problem 2 ( Objects , Classes, and Aggregation ) Consider the following system specifications: The system stores information about two things: cars and their owners. A car has attributes for make, model, and year, and price. The car owner has attributes for name and address. Assume that a car must be owned by one owner, and an owner can own many

Given: age = [20 14 17 23] Match each MATLAB expression with its corresponding result E. D any(age>19) A age>19 B all (age 19) c. find (age>19) A ans B.ans o. (age 19) D.ans E ans- QUESTION 17 Using the age vector defined in Question 16, match each description with its corresponding MATLAB command A all (age> 19) Yes or no? Is at least one value
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What is an example of an abbreviated outline of a plan for deployment for DNSSEC?

Make java programming Write a Java program to calculate the mean and the standard deviation of a set of numbers. The equations for the mean and the standard deviation of n numbers is: 2. gas-aut us Atom mean 2+n To compute the standard deviation with this formula, you must store the individual numbers using an array, so they can be used after the
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You are now able to Build a 2 - bit CPU by expanding the 1 - bit CPU described in the lab notes. Remember to have a 2 - bit bus for your design. The 2 - bit CPU will do the following operations: For instruction 0 0 , do 2 - bit XOR, test 1 0 XOR 1 1 = 0 1 For instruction 0 1 , do 2 - bit AND, test 1 0 AND 1 1 = 1 0 For instruction 1 0 , do 2 - bit

Question 2 (RL) [50 points - each part 12.5 points]: Consider the following grid world with five different states. The actions are move east, west, south, north, and exit if it is in a terminal state. (a) We would like to use Model-based learning using the following four observations. What is the estimated Transition and reward based on these
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- Q5: For the following code: rihan dro de los dan HAR 11 A) What is the memory addressing mode which is edit: D:XAhmad Saeed D x used in line 10? 1 org 100h 32: CODE B) What are the values of DJ PILE EQU 1H registers AL and AH after 04 DIST EQU 3H BS executions? OG LEA DI, DAT 2 MOU BX 2H 38 LDS SI, ADDX dur What is the memory 89 addressing mode
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26 *4+5 (similar.to week 4 3. For expression MyvarA 3.1 Define its BNF grammar (1pt) exercise 6 & week 5 ppt beginning example) 3.2 Find out its BNF left-most derivation (1pt) 3.3 Draw its parse tree (1pt) 3.4 Draw its abstract syntax tree (1pt)
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****PYTHON CODING UNIT TESTS: Implement each of the named test methods provided in the tests.py. Then think of and implement 2 more test methods that help define the behavior of Fraction's __init__ or __str__. **** test.py : from fraction import Fraction import unittest class TestInit(unittest.TestCase): #you should inspect the data members of

Your organization has requested that you create a new database to support organizational needs. Based on the information you provided in this weeks Discussion, create a database as defined in the database project. The project must include at least five tables, and should have no more than 10 tables. Define your database. Describe the database, its

1. For this problem, you will be working with a system of 6 processes, P = {p1, p2, ..., p6} and a set of 5 memory cells M = {m1, m2, ..., m5). The domain and range for each process is given in the table below: Domain and Range for Each Process Domain Process Range p1 m1 m2 p2 m2 m3 p3 m1, m3 m2 p4 m3 m3 p5 m4,m5 m3 p6 m1, m2, m3 m1, m4 The
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BIS are a renowned organization specializing in the design and implementation of bespoke information systems. Business is booming and requests for new systems are arriving regularly. Unfortunately, this rise in demand has placed increasing pressure on project managers, who are claiming that they are spending too much time dealing with

While developing the Ajax web portal the biggest challenge you will face to have almost all the features of your web application on a single page. On other hand, a web portal is all about aggregating multiple resources. However, the Default.aspx is the most complicated of all the pages in your application because it does everything from loading

year type Title (ard ISBN Magzine (price 7 Name has Publisher addres present (contain, price (pay (email (Name) store Shop Cart Husew phone ISAN Category Wame phone) Relational schema has magzine ISBNINT (BK) Publisher wl VARNAR Name VARMAR (P.K Year INT type CHAR VARUAR title VARLAR price INT Contain present shop cart ISBN VARUVAR (P.K) user of
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What is output by the following code? Select all that apply. c = 2 while ( c < 1 2 ) : print ( c ) c = c + 3

explain in details with an example the choosing the training experience and explain the collinearity which can closely relate to 2 or more predictor in details and explain with an example and explain the p value for the dummy variable when its high in details and with example and explain the predictors with only two levels in details with example

We are going to write a function that computes the sum of the first n elements of an array, The JavaDoc of this function is as follows: This function adds all the numbers in the array, from index 0 to n, which is given as an input parameter. Parameters: array is an integer array n is the index up to which the sum is calculated. Returns: returns
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Write a C + + program that asks the user to enter the monthly costs for the following expenses incurred from maintaining his or her property: rent, insurance, water, power, HOA, and waste disposal. The program should then display: The total monthly cost of these expenses ( 5 marks ) The total annual cost of these expenses.

Utilizing the following Java code, I need to make modifications // Contact.java public class Contact { /*basic attributes*/ private String name; private String address; private String phone; private String email; /*getters and setters*/ public String getName() { return name; } public void setName(String name) { this .name = name; } public String

Windows ain file te implement a stack using arrays asing namespace sid StackClass Ob Stack( cout
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Let Tox.y=" x likes y. N(X= x is Indian. Alx)=xis American", Sky)="y is spicy food and Wiy-y is sweet food". Assume that the domain of x is all men, and the domain of y is all foods. Select the English meaning of the following statement : 3x Vy N(x) [S(y) v -W(y) T(x,y)] 1. None of all proposed solutions 2. Some indian men do not like all spicy or
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11. (12 pts) Write a function called seesti), which makes a "deep copy or complete copy of one singly linked list. The copy must contain the data in the same order as the original list. The function should accept two parameters: a pointer to the source list and a pointer to the copy list. You need to decide if the pointers are single indirection
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c++ plzz ans in 20 mint Describe a class named "DATA" giving the specification below: Data that is related with this class is: Pointer to create a dynamic array A variable to store the maximum size of the array A variable to store the number of filled locations in an array Parameterize constructor to initialize Function to set the values of array
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Programming Exercise 0 7 Write an application that determines whether the first two files are in the same folder as the third one. The program should prompt the user to provide 3 file paths. If the files are in the same folder display All files are in the same folder, otherwise display Files are not in the same folder. Test the program when the

The first principle of a systems development methodology is to get the system owners and system users involved. True False
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Can someone help me with my Perl script? For some reason, open($info, ">info.txt") clears the file but fails to write the data into it. I've used an array of methods for writing into the file, and even the append and "+" combinations fail to work. The "append" methods don't even write into the file at all. I've even used ">>", "+>", and "+>>" with

Look at this chunk of code and select all that apply. def multiply ( x , y , z = 2 ) : result = x * y * z return result multiply ( 5 , 1 0 , z = 3 ) Group of answer choices The 1 0 in multiply ( 5 , 1 0 , z = 3 ) is a positional argument. The output of the function call is 1 5 0 . The 5 in multiply ( 5 , 1 0 , z = 3 ) is a positional argument. The

A-J True or False a. An exception and an error are the same thing. b. An attempt to divide by zero will cause an exception to be thrown. c. If a program does not handle a raised exception, the exception is ignored and nothing happens. d. If a program does not handle an exception, a message related to the exception will be produced. e. A call stack

describe how to use the tools Adepto, Bless Hex Editor and #GtkHash ?

Exercise 5.3 Suppose that a college had one dormitory with many rooms. The DORMITORY entity, which is actually a dormitory room entity since there is only one dorm, has the attributes room number and single/double (meaning that there are private rooms and double rooms). Let us suppose that the STUDENT entity in this case contains the attributes

4. Draw a flowchart or write pseudocode to represent the logic of a program that allows the user to enter a value for the radius of a circle. The program calculates the diameter by multiplying the radius by 2 , and then calculates the circumference by multiplying the diameter by 3.14. The program outputs both the diameter and the circumference. 5.
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Calculate ( 2 + ( 2 5 1 + 2 5 2 ) ) 2 in double precision floating point.

Which of these statements about the digital divide is true?

HTML _ _ _ are "things" that happen to HTML elements. When JavaScript is used in HTML pages, JavaScript can "react" on these _ _ _ .

In C++ Problem 3 A substring refers to a string that is a continuous segment of a larger string. The list of all substrings of the string "apple" would be "apple", >"appl", "pple", "app", "ppl", "ple", Write a function that takes a candidate substring and returns the number of times it occurs in another string. Your function should take two
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Part II: For the given ER diagram, construct the relational schema by specifying the resulting relations, their attributes, keys, and foreign keys.
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Q1. 5.7 Consider the nonrepairable structure in Fig. 5.6 5 4 6 Fig. 5.6 Reliability block diagram (Problem 5.8). (a) Determine the structure function. (b) Assume the components to be independent. Determine the reliability impor- tance according to Birnbaum's measure of components 2 and 4 when pi = 0.99 for i = 1,2,...,6
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Please be legible this is my 3rd time posting. And answer if you are 100% sure you are correct Design an instruction set of a 16-bit CPU that has only 16 instructions. Consider different kinds of instructions Make and state any necessary assumptions. Explain all the design decisions. In addition to everything you would like to include in the
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// G for (i = 1; i
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What is the hexadecimal value from the following calculation? Ox 8 0 0 - 2 4 base 1 0

Provide a brief history of Hive and Pig with mention of the reasons why they were created What is a Hive meta-store? What would happen if the meta-store is destroyed? What do you mean by a managed table? How is a managed table different from an unmanaged table? What would happen if you delete a managed table?

2. Determine the root-level split of a classification and regression tree (CART) to classify salary level based on the other variables. The training data table Record Occupation Service Service Service Management Management Management Management Sales Sales Sales Sales Gender Female Male Male Male Female Male Female Female Male Female Male Salary
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1 - Let G be the grammar below: E E o E | - E | ( E ) | i d o - | + | * * | ? Is the string " A + B * * ( C - D K ) " accept or not? 2 - Let G be the grammar below: E E + E | E - E | E * * E | E E | E u a r r E | ( E ) | - E | i d Is the string " id " accept or not?
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The following state diagram shows the behavior of a module that determines if a binary number is evenly divisible by 3 . The module receives the number one bit at a time, starting with the most significant bit ( MSB ) . Before the module receives any of the bits, it assumes the number is 0 , so it indicates that the value is divisible by 3 . For
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logic truth table. enter either 1 or 0 Enter either a 1 or 0. Question 5 (1 point) A B (AVB). (AB) A A/ 0 1 AJ AJ 1 0 A A/ 1 1 A/ Question 6 (1 point) Valid or invalid Valid Invalid
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Hi, I need help with - Python using tensorflow or pytorch, train a model to complete bowling-ram-v0 from openai gym atari and show training result

18. (9 points) The angle between two vectors x and y of length n can be computed from the identity yCos()al where 1/2 rn A programmer wrote the following function to compute the angle (in radians): double angle (double *x, double *y, int n) double norm_x -0.0, norm_y - 0.0, dot-0.0; int i; for (i-1;i
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Polymorphism Answer can be system out square system out triangle system out circle All required java files run of the program Screenshot You must test all the three function please have all codes!FIGURE 1 - 1 3 Polymorphism
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Create a vector b 2 containing the numbers 9 , 1 0 , 1 1 , dots, 1 0 1 , and find its class. Question: What's the class of b 2 ? character logical complex integer
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please answer all questions.thank you 000 B Question 9-Referring to the same images, which aperture would offer the greater depth of field? (Write A, B or C). Question 10-If your aperture is f5.6 and your camera indicates there isn't enough light, what other aperture could you use, for instance ? Question 11-For each of the following type of
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Provide formal definitions for second preimage resistance and preimage resistance. Prove that any hash function that is collision resistant is second preimage resistant, and any hash function that is second preimage resistant is preimage resistant.

Which of the following is a federal law that addresses concerns about children's access to explicit content ( such as pornography ) online at schools and libraries by requiring the use of Internet filters as a condition of receiving federal funds? Children's Internet Protection Act ( CIPA ) Children's Online Privacy Protection Act ( COPPA )

Python Programming by John Zelle Chapter 6 Exercises Number 13 Write and test a function to meet this specification. toNumbers(strList) strList is a list of strings, each of which represents a number. Modifies each entry in the list by converting it to a number. To test the function above, write a function named main that creates a hard-coded list

In PYTHON: Navigate into data-shell/molecules and a) write command that counts the number of lines in each file and puts this in a file called lines.txt. b) write a command that takes lines.txt sorts the files by size starting with the file with fewest lines and outputs to a new file: sorted.txt. c) Now rewrite a one-line command (pipe) that

An international phone call is billed by the minute according to this scheme: Calls up to 1 0 minutes cost a flat $ 5 . Calls over 1 0 minutes but less than 3 0 cost $ . 5 0 per minute. Calls 3 0 minutes or longer cost a base of $ 1 5 . 0 0 plus $ . 3 0 per minute over 3 0 . Write a program to read in the duration of a call as an integer and

C# using microsoft visual studio Simple Calculator Operand 1 Operator: Operand 2: Result 86 11.11 7.7408 Calculate Create a new windows form application named SimpleCalculator, please be sure you selected C# from the new project template dialog 1. 2. Add labels, text boxes, and buttons to the default form and set the properties of the form and its
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An automobile assembly line worker is required to read the specific letter from a sheet that is taped on the vehicle at about shoulder height and hangs approximately vertically. Each worker has a relatively limited section of the line (6 to 8 feet) in which to work. S/he cannot work up or down the line very far, or s/he will interfere with the
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4.7 Consider the following protocol: (30 points) A-> KDC: IDAl IDe1IN B->A: E(Ks, N2) A->B: E(Ks,f(N2) a. Explain the protocol. b. Can you think of a possible attack on this protocol? Explain how it can be done. C. Mention a possible technique to get around the attack-not a detailed mechanism, just the basics of the idea
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13. (15 points) Show that the language {anbambam+n:n,m1} is not regular
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QUESTION 1 8 What is information transmitted without encryption and includes information collected from public records, phone books, corporate directories, or websites? astroturfing nonsensitive PII sensitive PII sock puppet marketing
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Security training programs typically differ from security education programs in their focus on _ _ _ _ _ _ _ _ _ _ _ _ _ _ . Question 2 options: security topics hands - on skills theoretical models academic courses

Indicate whether the MATLAB expression myerror > = tolerance evaluates to "true" or "false" if the variable myerror is equal to 3 . 2 x 1 0 - 2 and the variable tolerance is equal to 1 . 0 x 1 0 - 6 .

Which of the following seeks to establlsh guldellnes and cybersecurity standards for government technology infrastructure?
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Programming language is java. Primary U . S . interstate highways are numbered 1 - 9 9 . Odd numbers ( like the 5 or 9 5 ) go north / south , and evens ( like the 1 0 or 9 0 ) go east / west . Auxiliary highways are numbered 1 0 0 - 9 9 9 , and service the primary highway indicated by the rightmost two digits. Thus, I - 4 0 5 services I - 5 , and
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1. Design the RLC circuit and select suitable values for the circuit parameters, including resistance, inductance, and capacitance 2. Write a MATLAB script or function to solve the differential equation for the circuit and calculate the voltage and current in the circuit. Use appropriate built-in MATLAB functions or toolboxes to solve the problem.
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For cs 3304 rue or False A full binary tree has all the leaf nodes on the same level, and every nonleaf node has one child. O True False QUESTION 2 A heap must be a complete binary tree. O True False QUESTION 3
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You are given K number of coins with equal weights and a mechanical balance scale that can show if the pans (and their loads) are balanced or not. The problem is posed as finding the single different coin in the collection, which was mixed up accidentally. Devise the quickest algorithm, which can find the different coin. Generalize your solution

Assume that two fair dice are rolled. Answer the following questions. - What is the probability that both die land on 5? - What is the probability that both numbers sum to 5? - What is the probability that the sum of the numbers is a multiple of 2 or the sum is five or less?

Help with problem 1 in Java. It needs to run through the Cmd arguments list on wholelearning and not the System.in data Wholearning is the second photo Lab 05: Array and random number Assigned on 01/25 19.29 Due on 01/26 23:27 Max points: 20 lastructor gronided files: CountCharTest class Customet ister ArrayTest class Documents: Customers docx
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Enter the binary values of the control signals in the following table to execute the listed operations (see Figure 6). ENA ENB INVA INC Operation Fo F. A AND B A OR B NOT A NOT B A+B A+1 A+B+1 B-A 1 Figure 6: Overview Operations
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use python Next we will write a function that will help us select an output for the chatbot, based on the input it got. The overall goal of this function is to take a list of words that we got as input, a list of words to check for whether they appear in the input, and a list of possible outputs to return it something from the list to check is in
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2. Given: B = (3.5, 3.7, 5.0, 10.6, 25.3, 50.6) a. Write the value of b after b B[2:] is executed. b. Write the value of c after c=b[-2] +b [0] on the B from part a. c. Is B a list or a tuple? d. Is b a list or a tuple? e. Is the operation: B[4]=25.342 allowed? Why or why not
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Consider the following query: For all students, show students ID if he/she takes at least one FinTech course (a course id beginning with FETC) and at least one SEEM course (a course id beginning with SEEM) in 2020. (a) Answer this query using SQL in which you must have set operations. (b) Answer this query using SQL in which you must only use
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Kotlin The program should read a list of names from the user and the number of groups and then produce a randomized grouping of those names. If the number of names is not divisible exactly by the number of the groups, some groups will be shorter. Make certain to document your code and write in a good modular style. Grading Criteria Points Criteria

How many subnets are required? _ _ _ _ _ ( hint: don t forget the network that connects the routers together! ) How many additional bits must be borrowed to create the subnets? _ _ _ _ _ What is the Subnet Mask for the subnets? _ _ _ _ _ How many usable hosts does this create per subnet? _ _ _ _ _ _ _ Note: If your answer is less than the 2 5
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Which of the following are characteristics of iSCSI in a SAN?

3. Consider the linear system 21 2-1 -1 2 -1 -1 2 bi b2 b3 -1 13 -1 -1 In-1 bn-1 2 -1 2 br (a) Write a function x = trisolve1(b) which solves the system Tx = b, where T is the above tridiagonal matrix. Use the MATLAB backslash operator (x = T\b). Test your script for b (1,0,0,0,1) corresponding to the exact solution x = (1,1,1,1,1). (b) Show that
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Purpose: To use software development principles of abstraction in problem solving and structured problem solving techniques to create an application that uses sentinel-controlled repetition to perform calculations based on a users input. Details: Create a class named GasMileage that contains the main method. The method should ask a user for the

How many character variables are featured in the SAS data set featured in the program below? data Demographic infile "C:\books\learning\Mydata.txt": input ID $ Gender $ Age Height Weight: *Compute body mass index (BMI); BMI = (Weight/2.2) / (Height*.0254)**2; run: 2 OS 0.4
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What is NOT a goal of information security awareness programs? Question 4 options: Teach users about security objectives Inform users about trends and threats in security Motivate users to comply with security policy Punish users who violate policy

Design a program in Java and use stack to calculate math equations. The program will ask the user enter a mathematics equation (problems such as ((-10)*1-(5-2)*5/3.14 or other equations). Then the program will use stack to implement the calculation of the equation and display the result. -stack for operators -stack for operands

The dietary calorie as seen on food products (i.e. 280Cal), is a unit of A. energy content B. fat content C. carbohydrate content D. sugar content
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Will there be a count - to - infinity problem even if poisoned reverse is used?

What decimal value does the 8-bit binary number 10110100 have if: a) it is interpreted as an unsigned number? b) it is on a computer using signed-magnitude representation? c) it is on a computer using ones complement representation? d) it is on a computer using twos complement representation? e) it is on a computer using excess-127 representation?

Could you show how to do questions 34 in minitab? Thanks 9 shows a six-variable RSM design from (201 1b). Analyze the response data from TABLE P11.10 The Cotfee Bag Experiment in Problem 11.32 m Viscosity Pressure Plate gap Tear Leaka Kun Center 9 lem 11.31 0 350 18 0.45 0.15 1.8 0.85 0.05 0.35 0.15 186 Factorial 319 Factoria Center 180 17.89
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Let ALG1 and ALG2 be two matrix algorithms. Suppose that ALG1 is an algorithm of O(n2) and ALG2 is an algorithm of O(n3). Also assume that the only factor that determines the speed of these algorithms is the number of flops. Explain why ALG1 does not necessarily run faster than ALG2 when they are applied to a 3 3 matrix.

Please help me thank you Project Description: Grador - Instructions Excel z019 Projbcl Cmated Ont,00ryrzor9 Project Description: Grador - Instructions Excel z019 Projbcl Cmated Ont,00ryrzor9
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Describe the three-schema architecture.Why do we need mappings between schema levels? How do different schema definition languages support this architecture? Discuss the differences between database systems and information retrieval systems.

Vernacular language included all the following languages except? Latin Italian French English German
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Hello my Cheggs experts. I need some help, I need to explain various backup options available for a small business, and offer a recommendation for maintaining backups for the agency. I need to provide a solution to the backup issue, and will additinal equipment be needed? Can any of my Chegg experts out there help me with this? Provide a solution

2. Vectorizing Compiler (30 marks) Consider this familiar loop: loop: 1.d 4,0 (r1) 11 1.d f6,0(r2) 12 mul.d f6,f6, f2 m2 add.d f4,f4, f6 a1 s.d f4,0 (1) s1 dadduir1,r1,#-8 subi dadduir2, r2,#-8 sub2 bnez rl,loop Rewrite the code using vector instructions. Draw the flow-dependence graph of vector instructions. Using vector chaining, make a rough
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Question 1 1 0 p t s A primary key can contain NULL values. True False
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Using NISTs SP 800-61 Computer Security Incident Handling Guide), develop an Incident Response Plan (IRP) that will address one or more of your security risks that you identified in your Risk Assessment. Google and find other actual IRPs on the Internet and review to see what type of information is included. At a minimum, your plan should include

A new dialog box created from the JOptionPane class is always Question 1 options: a ) blocking b ) displayed on top of the parent container c ) all of the above d ) modal

Write a method that returns a number, given an uppercase letter, as follows: int getNumber(char uppercaseLetter) Program 3_ Design and implement a Java program for programming exercise 6.21, page 239 (name it PhoneKeypad), which given a phone number that includes (or consists entirely of) letters displays the phone number as all numbers. Sample
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