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Databases Questions and Answers July 09, 2019

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students.txt log.txt This assignment has you working with a SQLight database and unittest code. Write a Python module, assignment5, in which three functions are defined to create or access a database file mydatabase. db. Function create_database () makes a connection to mydatabase.db, creates a cursor, and makes a table mytable with columns name
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Consider the scenario shown below, with four different servers connected to four different clients over four three-hop paths. The four pairs share a common middle hop with a transmission capacity of R = 200 Mbps. The four links from the servers to the shared link have a transmission capacity of Rs = 10 Mbps. Each of the four links from the shared
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Question 2: Design DFA for the following Languages. [20 marks] 1. L={x over {0,1}3rd last element must be 1} 2. L={x over {0,1}x as a binary number divisible by 3} 3. L={x over {0,1}x contains 01 but does not contain the 010 as a substring }
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String drive _ input is read from input. String some _ str contains a special character. Modify some _ str so the program outputs drive _ input followed by : \ \ AppData . in python

Given sets A , B and C , simplify ( A ( B - C ) ) ( C - ( A B ) ) . Given a finite set A , prove that if a function f : A A is not injective, then f is not surjective. Given integer n , prove that 3 | ~ n 3 ~ | n + 2 . Evaluate k = 1 n 2 n ( 1 + k ) . Evaluate k = 1 n k ( k + 1 ) ( ( k + 1 ) 2 - 1 ) .
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decyptyour meseges based on the user selected decayption method. A left shift operation should be performed for decyption. The deay fopion method divices are as follow: Stilitefit by 1 3 Shith latit by mived keys Sea the overview section for desciption, equation and examples for the decyption methods. \ table [ [ , ] , [ Puposes , \ table [ [ The
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1. The following is a computerized file system for NJT Music Recording Company. It along with their albums, release year, and contains information about music singers respective music producers. Provide examples on how update, insertion, and deletion anomalies can occur based on the table and discuss why it can cause problems to the system
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Given the integer array averageMiles with the size of ARR _ VALS, assign numMatches with the number of integers in userValues that are equal to 7 . Ex: If the input is 9 2 7 4 9 8 8 1 0 6 7 7 7 7 7 , then the output is: Number of 7 s in array: 6

2. e Approximation Your task is to test the performance of an e approximation. Euler's number e 2.71828 can be approximated with the following formula: 1 1 1 1 0! 2! 3! es + + + + (1) Complete the following steps (a) Create a module called Approximation, py (b) Import the math module to get the factorial() function (c) Import the time module to
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CISC 411 Object & Structure & Algorithm II Assignment 1 (100 pts): Create a module and name it Lostname_Firstname_final.py. For example, John Smith's module would be Smith_john_final.py. In the module, add the following functions: 1. Write a function named problemi that accepts a list of integers as the argument. Then your function should remove
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Use C++ Design the isDiv3 function returning Boolean "True" if an integer is divisible by 3 and Boolean "False" otherwise. The function shall have one formal parameter (an integer) and return a Boolean value
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state the scope ( global namespace scope or block scope ) of each of the following elements: a ) The variable x in main. b ) The variable y in function cube s definition. c ) The function cube. d ) The function main. e ) The function prototype for cube

Using dynamic programming algorithm to design a python program Given an expression using only* and binary operators and integer operands we want to "evaluate it" such that we obtain the largest possible result. For our task we do not follow the usual arithmetic precedence of doing multiplication (denoted by *) before addition (denoted by +). For
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Download a freeware/open source Software Metrics application to your computer. Take screenshot of installation process and main screen of the application after the installation and paste it as the answer for your fourth
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Java Language Data Set for these Program: (use this Data set) 1. Rewrite the four algorithms to find the two indices (the boundary indices) of a maximum subsequence in addition to the value of maximum subsequence sum. Each algorithm should returns or computes (not print) the three values. The three values are printed in the main program which
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There is a login protocol between a user (ATM card) and a server (ATM machine), which works as follows: The user U has a password P and knows a hash function H. He also has a calculator. User sends his login name N to server S Server generates a random number R and sends it to U. User calculates: X=Hash(P) XOR Hash(R) User sends the value X to
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[8 Pts] Define predicates and prove the following using two-column proofs and the appropriate rules of inference: (a) (4 Pts) Jim, a student in class, owns a personal computer. Everyone who owns a personal computer types up their homework. Therefore, someone in class types up their homework. (b) (4 Pts) There are college towns in the midwest. All
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Use Mathematica to write the codes to draw these 12 disks Draw 12 disks of radius 1 with different colors. The centers of the disks locate on a circle of radius V2+ V6. And the nearby disks are tangent. You should obtain a graph similar to the example below. (color can be different)
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8.2 Decoder logic: Implement a seven-segment decoder using a 4->16 decoder and OR gates. Additional: Use at least one Decoder and at least one OR. Yes, you may also use AND and NOT gates. Show the characters 0,1,2,3,4,5,6,7,8, and 9. Do not show A,B,C,D,E,F From the 7.20 sample code: 644 55
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Write a MATLAB function named average_of_scores_with_drops: The function will have two inputs and two return values. The first input will be a list of scores. The second input will be a postive integer representing the number of scores to drop. It will not be larger than the length of the list. Your function should determine the average of the

1) Write the network addresses for the provided IP address/subnet mask (First Chart): 2) Using the IP address and subnet mask shown, write the host address (Second Chart): 3) Write the correct default subnet mask for each in CIDR notation(Slash Notation, Third Chart): Write the network addresses for the provided IP address/subnet mask: Answer
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Which of the following statements a ) , b ) or c ) is false? The expression range ( 6 , 0 0 0 , 0 0 0 ) would be incorrect. Commas separate arguments in function calls, soPython would treat range ( 6 , 0 0 0 , 0 0 0 ) as a call to range with the three arguments 6 , 0 and 0 . If randrange truly produces integers at random, every number in its range

Use Matlab fzero function to find the zeros of the following functions in the given domain Compute the followings: a. e-03*-x-2 on [0,3] 19% COS(X) =
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How many logical networks are implemented in the attached file? Select the best answer. 1 network containing the 2PCs and the server. 2 networks, one for the PC and the laptop, and one for the server 3 networks: each device is connected to a separate network 0 network is implemented because there is no gateway in the diagram. Which of the
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3. Suppose a user would like to output the name "Sarah" to the screen, and they have written the following code in an attempt to do so: #include iostream using namespace std; int mainc) son students Mike, Sarah, Steve, Alexis, Nuri, Patcicia sou???students(1)??snal; A. Which of the following modifications will ensure that Sarah's name will be
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design/algorithm analysis: Question 5 10 pts Find an optimal parenthesization of the matrix-chain product p = 4, 5, 6, 2, 7, 3> using the algorithm learned in class. What is the minimum number of scalar multiplications needed to compute the product? Show the m and s tables and the printing of an optimal parenthesization. Upload Choose a File
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Question 3 (4 points) We have a channel with a 5-MHz bandwidth. The SNR for this channel is 255. Assume that we choose a bit rate that is 75% of the maximum theoretical bit rate. What are the bit rate and signal level for this design? Tip: Use both Shannon formula and Nyquist formula
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Database In Movie Zone Cinema, a movie has one or many genre, each of which is identified by genre id, and genre name. One Genre can be related for more than one movie. Also, Movie Zone deals with a range of production companies and are identified by id, name, address and phone number. The production company produces one or more movies, and the
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C++ Given two classes: Plane and Boat that share common methods (add,remove) of adding and removing passengers, and the following characteristics that are distinct to each object: each has their own method to steer; Bank, Tack each has their own medium used for travel: Air, Sea each with their own method to accelerate: jetThrust, setSails each

please translate it Translate the following program into hexadecimal form, and put it in a file named prog2 with the same format as the file prog. Run the simulator by [python3] sim.py [-d] prog2 Write down the final result stored in P. What does the program do? 4 LD L: PO, R4 LD P1, R1 LD P2, R2 LD P3, R3 ADD R4, R2, R4 SUB R3, R1, R3 BNZ L R4, P
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10. (10 points) (a) Where are random numbers used in symmetric key cryptography? (b) Where are random numbers used in public key cryptography (specifically, RSA and Diffie-Hellman)? c) In most programming applications that require random numbers, we gener- ate the random numbers using a pseudo-random number generator (PRNG), where the PRNG is
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1.The user will be prompted with a menu where he/she will select a shape. Then the user will give the appropriate information needed to solve for the area, and the computer will give the area! Hope you all have taken geometry! What you will be Using: Input/Output, Integers, Variables, Strings, Print, If/Elif/Else 2. The user wants to create an

Using the Crow's Foot notation, create an Entity Relationship Diagram ( ERD ) that can be implemented for a medical clinic using the following business rules: a . Patients are identified by their SSN , and we also store their names and age. b . Each patient has one or several phone numbers stored in the database. c . Some patients in this clinic

Visual Basic question I'm having some trouble with. Create a Visual Basic Windows application. Use the following names for the solution and project, respectively: Customer List Solution and Customer List Project. Save the application in the ClearlyVB20121Chap22 folder. Change the name of the form file on your disk to frmMain.vb. shows a sample run
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PYTHON question: For reference, this is Exercise 6.1 (typo on paper): import math import numpy import matplotlib.pyplot as plt def func1(f,dx): ans = [] for i in range(len(f)-1): ans.append((f[i+1]-f[i])/dx) return ans f = numpy.sin(numpy.linspace(0,5,50)) calculated = func1(f,0.1) actual = numpy.cos(numpy.linspace(0,4.9,49)) diff =
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I.m having a hard hard time trying to explain why this table violates first normal form (1NF). Need help please, thanks. AccountNum CustomerID AccountTyp BalanceAmt1 BalanceAmt2 BalanceAmt3 34109 105 A 2352.47 5123.31 34134 113 A 15.95 34147 422 A 18549.22 100.00 1799.85 34147 422 B 15.33 34155 451 A 3500.00 1.50 170.44 34162 990 X 500000.00 35010

Consider the scenario shown below, with four different servers connected to four different clients over four three-hop paths. The four pairs share a common middle hop with a transmission capacity of R = 200 Mbps. The four links from the servers to the shared link have a transmission capacity of Rs = 10 Mbps. Each of the four links from the shared
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I have the integer = min and max working but how do I print them? Or how do I make my "integer max" into an actual int so I can be able to find the range and print it? /** * Kyle Donohue * This program will have the user input the number of objects into a LinkedList * April 17th, 2018 */ import java.util.Scanner; import java.util.LinkedList;

Characterize the function T(.) that would characterize the running time of your code. Then show Big O, Big Omega and Big Theta complexity of your algorithm. For each case, show the appropriate n0 and c values that would satisfy the conditions. void twoSum(int n, int n) { for(int i = 0; i > file name; ifstream file (file_name); if(!file) { return
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What is the length of a single bit considering low orbit satellite communication (Distance ~300km) with a rate of 170Mbps? Assume 2.5*10^8 for the speed of transmission? What about for a geo stationary satellite (36000km)
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QUESTION 8 During the Map phase, input data is split into a large number of fragments, each of which is assigned to a map task True False
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An email address identifies an email box to which messages are delivered. Every email address consists of 3 elements: local-part, @ symbol (pronounced as at), and domain name. The local-part is placed before the @ symbol, and the domain name is placed after the @ symbol. For example, in the email johndoe@company.com, johndoe is the local-part, and

Could anyone help with writing a C program for the following question, thanks? You are asked to sort the spreadsheet based on some sorting criteria. The figures below can help you understand the basic idea of this question. You are provided a spreadsheet together with the header and data type of each column (either string, integer or float). Then,
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The copy constructor takes in an input object using const pass by reference. The reason for this is? Example: ClassName(const ClassName& obj): We want to refer to obj and make changes to the original object We want to refer to obj without making a copy of it and prevent modification of it We need to alter obj and want to make sure we are receiving
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Which of the following definitions best describes business software?

in python Problem 1 Write at least 4 test cases via 4 unit test functions for the following functions: # the function returns float value if the input is a numeric # string, False otherwise. def convert float (number): try: number = fl at (number) return number except ValueError: return False
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H_(0):\\\\mu 190 \ Find the p -value for this test based on the following sample information. (You may find it useful to reference the appropriate table: z table or t table)\ a. \\\\bar{x} =201;s=41;n=27 \ 0.05 -value \ p -value >=0.10 \ 0.01 -value \ p -value \ 0.025 -value \ b. \\\\bar{x} =201;s=41;n=54 \ p -value >=0.10 \ p -value \ 005 -value
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Implement the function magic _ math ( ) using the functions map ( ) , filter ( ) , and reduce ( ) . magic _ hash ( ) receives a list of integers, and returns an integer of the following algorithm: 1 ) Map each value. If the value n is odd, replace it with 3 n + 1 2 ) Map each value. If the value n is even, replace it with n / 2 3 ) Filter each

Most programmers realize that MATLAB will likely become the world's standard programming language. True False
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Question: A review and extension of cs 1 3 2 :sort a file with 1 2 0 records. However, due to memory restrictions

1 . Take a string S and an integer A as an input from a user. Write a program to print string S , A number of times. Input S: A string A: An integer Output S S S . . A times in python

ActivityBudgeted CostActivity Cost DriverBudgeted ActivityProduct AProduct BProduct CActivity 1 $ 9 0 , 0 0 0 Square feet 8 , 0 0 0 1 1 , 0 0 0 2 2 , 0 0 0 Activity 2 $ 6 5 , 0 0 0 Units inspected 9 , 0 0 0 1 7 , 0 0 0 1 0 , 0 0 0 Activity 3 $ 1 2 2 , 0 0 0 Setups 4 , 5 0 0 3 , 0 0 0 3 , 6 2 5 How much overhead will be assigned to Product

Question 3 Developing a randomized condition number estimator. 1 In this exercise you are asked to implement in Python a randomized condition mmber estimator. The idea is that you start with a linear sytem whose solution you know explicitly. Given a matrix A you can do this for example by creating a vector e of all ones and computing b=A You now
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Create a program Arrays with an array containing 100 random integers from 1-100. Use a for loop to generate and store random numbers in the array. Use the SecureRandom class to generate the random numbers. Sort the array. Use the bubble sort method below to sort the array in ascending order (low to high). Display the sorted array in right-aligned

I need the answer as soon as possible Your team is building a robot that is powered by a 35Ah battery. During testing, the robot will run for a maximum of 5 hours before running out of battery, interrupting testing. The team would like to have a better idea of when the robot is going to run out of battery and needs to be recharged. An electrical
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1.15 [5] When a execution time on each processor is comprised of its fair share of the computing time and the additional overhead time required to "lock" critical shared sections of memory and/or to send data from one processor to another. program is adapted to run in a multiprocessor system, the Assume a program requires 200 sec of execution time
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Which of the following options are proper use cases of the AWS Simple Monthly Calculator? i . Project monthly cost of a new or existing AWS service. ii . Calculate the total cost of labour required for cloud migration. iii. Determine anomalous billing events in in - service consumption. iv . Investigate cost savings potential. i , ii , and iii

show the process of moving the following excel data into 1st, 2nd and 3rd normal forms. There should be an answer as to what this data looks like in 1st normal form, what this data looks like in 2nd normal form, and what this data looks like in 3rd normal form. I have given you the first few user view problems in Excel because this is an excellent
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You share a Linux computer with a coworker. What is the best way to exit your UNIX or Linux session when you are done? turn off the computer using on / off switch use the Shut Down option even though your coworker may want to access the computer after you, because this is the best way to fully reinitialize security for the r use the over out
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iPad 1:35 AM 37% . 2) The following processes are being scheduled using a preemptive, roundrobin scheduling algorithm. Each process is assigned a numerical priority, with a higher number indicating a higher relative priority In addition to the processes listed below, the system also has an idle task (which consumes no CPU resources and is
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Write an m-file to evaluate the following complex function z = e^x + iy for the interval -1 lessthanorequalto X lessthanorequalto 1 and -2 pi lessthanorequalto y lessthanorequalto 2 pi. Use 50 points in both the x and y direction. Create a mesh, surface, and contour plot of the function. In each case, plot the real part of z versus x and y. Add
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Given its broad adoption in the United States, this course follows standard National Institutes of Standards & Technology ( NIST ) definitions as it pertains to encryption. NIST defines a cipher as an encryption algorithm, while it can also be considered a verb ( the act of ciphering ) as well as a noun ( the ciphered object ) . For this course,

What is the difference between active scanning and passive scanning for web vulnerabilities? As a security professional, what should you do before engaging in active scanning of a target or targets
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How many Asterisks (the symbol *) will the next function print ? Specify your answer as a function of the input parametern. What is its running time ? (as a function of n) NoNeed(n){ If(n
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All tables In a relational database MUST contain at least one Foreign Key. ( True / False ) Group of answer choices True False

c + + The Triangle Sum Challenge. T n , the n t h triangle number, is the number of points required to construct a triangle with n dots on each side ( see Figure 1 ) . In particular, the sum of integers from 1 to n is as follows. T n = i = 1 n i Write a recursive function int triangleNum ( int n ) that returns T n . - 0 8 T 1 - 1 , T 2 - 3 , T 4 -
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The purpose of this assignment is for you to become better at comprehending x86-64 assembly language. You will not write assembly language code in this assignment. Instead you are given 5 functions in the x86-64 assembly language. Your task is to reverse engineer these functions by writing them in C. Each correct C function is worth 2 points. Your

Which factors are considered in calculating the total cost of ownership ( TCO ) for the AWS Cloud? ( Select TWO. ) The number of groups that need to be migrated to the cloud The number of users that need to be migrated to the cloud The number of servers that need to be migrated to the cloud The number of roles that need to be migrated to the cloud
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Consider the problem of scheduling n jobs of known durationst 1 , t 2 , dots, t n for execution by a single processor. The jobs can be executed in any order, one job at a time. a ) Design an algorithm to find a schedule that minimizes the total time spent by all the jobs in the system. ( The time spent by one job in the system is the sum of the
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(Secure PAF), tet X=(0,1), Consiber the following Pseudo Handom Permutation (PRP). xxx, Let key spoce: K=(0,1) and input Space x={0,1]. The Pf is defined as: E(k,x)=xkxX,kK Prove that it is not a secure Pyeuso Random function (FPA). Proot: Let Fuint (X,X) be the set of al the mapping functions from set x to set x contruct two eperiments Exe(0) and
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Please compare the strengths and weaknesses of the primary methods that AV software uses to detect viruses. Which method do you feel is the best in the modern environment and why? You are a cybersecurity professional for an enterprise organization with a decent sized IT staff. An end-user in your environment calls you and says they have a virus on

subject: python Discuss the application of chi2_contingency function.

Problem 5 * Please solve w/o programming language l LXercise 2-now y is number of fit the regression model y + r to a. Plot the observed years experience and the predicted numbers. W why are the numbers not the same? The following data show the GPA and the job salary (5 years after hat is the sum of squares of errors? (b) Compare your results with
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The objective of this homework is to give you experience using inheritance with C++. You will use the provided employee base class and implement two derived classes, salaried employee and hourly employee. This assignment will be used for a follow-on assignment. For this assignment, you will use the base class Employee, which is implemented with

What was the name of the test that stemmed from the Espionage Act of 1 9 1 7 and was used to determine whether speech is protected or not?
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Hello, I am using MindTap in Cengage. I need help with the following problems for my DAT 380 Course: Problem 16 Create the CUSTOMER table structure illustrated in Figure P8.16 . The customer number should store integer values. The CUST_FNAME and CUST_LNAME attributes should support variable length character data up to 30 characters each.

What are the overflow and carry flags of the following operations? ( Assume a four - bit system. ) \ table [ [ , Show your work,Result,Carry,Overflow ] , [ 1 1 0 1 + 1 1 0 0 , , 1 0 0 1 , 1 , 1 ] , [ 1 1 0 1 - 1 1 0 0 , \ table [ [ 1 1 0 1 , 1 1 0 1
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What is the answer of these questions? The 3 levels are gate level, data flow level, and behavioral level. Of this circuit 8. Thought Questions 1 Evaluate these three levels of abstraction, for flexibility, easy coding and directly related to any technology? 2 Assume that you need to modify your design in order to implement it by technology which
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Abb ABC AaBb Bbcc AaBloon Song ant 07) [12 points) Entropy and Huffman coding: 1. [6 points] What is the entropy of the image below (show the calculation steps)? The numbers (0, 10, 60, 80, 90) denote gray level intensities? 90 0 10 10 10 10 00 10 10 90 8010 80 10 80 0 0 10 0 0 0 0 0 90 60 60 60 0 90 60 90 60 60 60 0 80 60 60 60 60 60 O 0 0 10 10
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Which of the following is not the building block of an ERD? Entity Relationship Attribute Key
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Consider the following HLL code: if (a > 5) { if(b
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3. Why is external memory is essential? Provide a visual example of external memory. 5. What is the difference between DRAM and SRAM in terms of characteristics such speed, size and cost? 7. What are the differences between EPROM, EEPROM, and flash memory
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Write a java recursive program that reads in a file of postfix expressions and translate it line by line like the following. I. Input All input data are from a file "in.dat". The file contains a sequence of postfix form expressions, one per line. The character '$' is an end mark. Anything after the end mark is comment and ignored. For example, the

Write a java program that calculate the average of 3 exams: exami: 97.5, exam2: 84.3 and Final exam: 85.5. The coefficient of exam1 and 2 is 25% each and the final exam is 50% The program should calculate and generate the average. Average = exam1 * 0.25 + exam2 * 0.25 + final exam * 0.5 Your program should output exactly the following: Sample Run:
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QUESTION 1 Understanding why an information system should be built and determining how the project team will build it is part of the phase of the SDLC analysis systems request planning implementation
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I need MATLAB Code for numerical differentiation using the truncated formula of Forwarded Divided Difference plus Richardson Extrapolation of the following function. f(x)=0.2+25x 200x +675x 900x* +400x*
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Need Help On Java H/W. Thanks The fibonacci sequence is a famous bit of mathematics, and it happens to have a recursive definition. The first two values in the sequence are 0 and 1 (essentially 2 base cases). Each subsequent value is the sum of the previous two values, so the whole sequence is: 0, 1, 1, 2, 3, 5, 8, 13, 21 and so on. Define a
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what is the following code do: int x[3][2]={8,9,7,6,4,3}; int sum,a=0,b=0; while(a
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SetBit and GetBit provide which benefit? Group of answer choices Bit access to reduce code duplication Prevent cryptic code within a program Allow inline optimizations for speed All of the choices

Please help manipulate this code to answer the question below #include #include #include #define FILE "DOUBLEPRECISION_VMA to demonstrate evaluating Cycles per Ops ( CpOPs )" #define SIZE 1000 //1000 base. If vector = 1 and LOOPs=1E10, and /O3 cycle per flop represent approx latency to L1 #define TOTAL_ITERATIONS 1E10 // total iterantions is the
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UDP stands for User Datagram Protocol Group of answer choices True False

4 . Write an input and output statement that reads a value for age and then it prints the content of age on the console window.

Language: C Project Overview: Computer games are excellent way to stretch your programming ability, and practice both problem solving and developing your own solutions and algorithms. The aim of this project is to recreate an absolute arcade classic released by Atari in 1980 - Centipede! Centipede (see Figure 1) is a vertically oriented shooter by
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Write a correct prototype for the function below: float FindArea(float radius, float area) { area = 3.14 * radius * radius; return area; } (1.5 points) Enter your answer 2 Write the statement to call function "FindArea" in the code below int main() { float radius=2.3, a; printf("The area=%f ",a); return 0; } void FindArea(float radius, float
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in java two general categories of methods are void methods and value returning methods. Question 1 7 options: True False

Build an Agile Cloud Based Secure Network while Eliminating MPLS Spend with SD-WAN for e-Government Gateway Project by considering all e-Government stakeholders. Info: SD-WAN is an acronym for software-defined networking (SDN) in a wide area network (WAN). SD-WAN simplifies the management and operation of a WAN by decoupling the networking

Question one: True or false : [ ] TCP doesn't supported delay control. [ ] a larger CRC preferred over shorter ones? [ ] UDP support in order delivery of packets [ ] peer to peer is a connectionless network. [ ] A DNS server can have many IP Addresses [ ] A browser can establishes two persistent connection to a server [ ] Nonpersisten means after

Technical writing If you want a successful document, you should put a great effort into planning stage, ed 200 Select one: True False 8 The line indicate to the document that attached with the letter: rered of 1.00 Select one: stron a. Enclosure. b. Attention G 3 O c. Copy d. None of them. 4 49
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In an online bookstore, making recommendations to customers concerning additional items to buy based on the buying patterns in prior transactions falls under which datamining learning type a . Supervised b . Unsupervised
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Identify major categories of data management technologies using not only SQL ( NoSQL ) approaches and describe their advantages and disadvantages compared to relational DBMSs .

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