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Databases Questions and Answers July 27, 2020

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Which of the following system architectures involves multiprocessor scheduling?

Please help me answer this question. Thank You! [Digital Electronic] Determine the decimal value of each signed binary number in the indicated signed representations. (4 marks) i) 011011002 in one's complement. ii) 111111012 in two's complement
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No Sample output. java object Oriented Programming. factory that has a number of workers. Hence, you are required to design a class called Worker factory weekly payment to its employees. An object of Worker class requires the following attributes: workerID : refers to the workers id ( int ) name : full name of the worker ( String ) contactNumber :

OCaml Language Create an object for a stack that will have a push function and a pop function and takes a list as a parameter. What would be the maximum number of values that could be added to the stack in problem 20, after the the stack was created? . What command would be used to add a value to the stack created in problem 20
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Consider virtual memory system with 24 bit virtual address space, if page size of 4KB is used when we split into a logical address , how many bits are used for the page number, and how many bits are used for the offset? Using the 24 bit virtual address space from above, if we use a page size of 8KB, when we split into a logical address, how many

Why is google translate an example of an abstract syntax tree? please explain in 100 words

Need it done in Assembly-EASy 68K programming please! Thank you! Write a program to find out the maximum and minimum values out of a list of 10 values using for loop.

SUBQUERIES #17 A subquery exists in the FROM cause of its parent query. Compared to the number of columns ond rows in the parent query, what could the subquery return? SELECT ONE OF THE FOLLOWING (1 PM) A. Any number of columns and any number of rows B. Any number of columns and the some number of rows os the parent query C. The same number of
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2.1.1 Recursive solution Let c[i,j] be the length of the LCS of Xi and Yj. Based on Theorem 2.1, we can write the following recurrence: c[i, j] = if i = 0 or j = 0 c[i 1, j - 1] +1 if i, j> 0 and Xi = y; max{ci 1, 3), c[i, j - 1]} if i, j > 0 and 2; + y; This is nicethe optimal substructure property allows us to write down an elegant recursive
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Give state diagrams of DFAs recognizing the following languages. In all parts, the alphabet is { 0 , 1 } . a . begins with a 1 and ends with a 0 Each of the following languages is the complement of a simpler language. In each part, construct a DFA for the simpler language, then use it to give the state diagram of a DFA for the language given. In
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Write the following function: void split_time(long total_sec, int *hr, int *min, int *sec); total sec is a time represented as the number of seconds since midnight. hr, min, and sec are pointers to variables in which the function will store the equivalent time in hours (0-23), minutes (0-59), and seconds (0-59), respectively
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Perl identifiers that hold a single value (number or string) should begin with a 1) $ 2) # 3) @ 4) % Suppose a Perl program is started from the bash command line on a Linux system as below. ./p1.pl A B C D Which of the following variables contains "A"? 1) $ARGV[-1] 2) $ARGV[0] 3) $ARGV[1] 4) $ARGV[2] What is the difference between eq and =~i in

Find context-free grammars for the following languages (with n greaterthanorequalto 0, m greaterthanorequalto 0, k greaterthanorequalto 0). (a) L = {a^n b^m c^k: n = m or m lessthanorequalto k}. (b) L = {a^n b^m c^k: n = m or m notequalto k}
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The Caesar cipher is one of the earliest known and simplest ciphers. It is a type of substitution cipher in which each letter in the plaintext is 'shifted' a certain number of places down the alphabet.
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In C++ please help, thank you so much Your main task is to implement all the functions declared in the interface,the main file is already written. You can tackle these tasks in the following stages: 1. Note that a 0-argument constructor creating an empty set is already implemented for you inline. Implement a 1-argument constructor to open a text
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Create a java program that uses JavaFX application to displays the following 3 monkeys like the picture. Please indicate methods for drawing a monkey face and the hands ( If possible, avoid using Nodes in the program ) . Also, please include the text "Hear no evil, See no evil, Speak no evil" below each of the 3 monkeys.
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QUESTION 2 (20 marks) Answer all the following questions. Show your workings for each question. a) Find the value of the following $(44). (5 marks) b) Given the group G= . What is the number of element in the group? List all the elements. (4 marks) c) Define if the integer 10 is a primitive root of 11. (4 marks) d) Compute 13-'mod 63. Show your
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please explain the steps If G is the grammar S + SbS a. show that G is ambiguous. Solution To prove that G is ambiguous, we have to find a # E LIG), which is ambiguous. Consider w = abababa e LG). Then we get two derivation trees for w (see Fig. 6.11). Thus. G is ambiguous. In a CFG G. it may not be necessary to use all the symbols in VI. or all
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Consider the following linear programming problem , minw = 4 5 x + 3 0 y subject t o x + 4 y 1 2 , 2 x + 2 y 1 2 , 5 x + 2 y 2 0 , 7 x + y 1 4 , x , y 0 . ( a ) Use the graphical method to solve the problem. In doing so you must clearly indicate the feasible region and the optimal vertex, making good use of objective lines. ( b ) Discuss what
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1. Use nmap to discover what IP addresses are reachable in the range 192.168.42.1 - 192.168.42.100. Do do so, issue the command sudo nmap -sn -PE 192.168.42.1-100. NOTE: Commands issues on the command prompt are case-sensitive Spaces are significant, so make sure to copy the command exactly as given 2. Research the Nmap Reference Guide and
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Which word / phrase is NOT explained in the textbook in the context of Method Validation? reproducibility accuracy method development dynamic range
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in forensic, Define the difference between resident and non - resident MFT entries

Using the algorithm convertToPostfix, given in Segment 5 . 1 6 , convert the following infix expressions to postfix expressions and show the stacks: a * b / ( c - d )

What is an area of a website that stores information about products in a database? Repository Data mart Data warehouse Dynamic Catalog
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These are two different problems I need writing cpp files for. Thanks. I need help writing a c++ program for these two problems thanks. 13. Book Club Points Serendipity Booksellers has a book club that awards points to its customers based on the number of books purchased each month. The points are awarded as follows If a customer purchases 0
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Assembly Language 1.) How many bytes are occupied with the data in the sequence above. What exact address is where the n1 data starts? OxlA2B: mssgl DB Oxa, 'Hello', 0xa lenl EQUS-mssgl nl DT 0x123abe456def n2 DB 1
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2. We can multiply large integers recursively by splitting each integer into thirds (rather than halves as done in class). In order to multiply the two three-digit numbers abc and def the standard algorithm would do nine atomic multiplications. (a) Explain how you can do fewer atomic multiplications by forming the product (a + b + c)(d+e+f). How
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Write about the following: - the key reason the stack - based solution works - your evaluation of using a simple counter instead of a stack - your evaluation of using a queue instead of a stack - the importance of using the right tool for a job - other insights you discovered

11) 16 pts. Convert the following for loop to a while loop. (You may want to do the following question first.) int mine [5] = {10, 11, 12); for (int j=1; j
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e Create a function with the following two expressions, then use one fplot command from the Command Window to plot them and make sure you add grids, title, xlabel and ylabel. Use the range [-20, 20]. y(1) = 5*sin(x)/x y(2) = 7 + 5*sin(2x)/x Evaluate the following integral numerically using MATLAB: a) integral^3_1 x * cos(x) dx b) integral^3_1
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I wrote the code for the first pic but it's not working while the next pic has the question on it return size; 67 68 I 69 1 7e 1 a function to compute: the position within the list of the second to last occurrence 71 / of the parameter: letter 72 positions are counted as an offset from the beginning. // positionofSecondTolastoccurrence 73 / 74 1
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Computer Organization and Architecture. NEED CLEAR DATAPATHS and procedure!!!!. Question 2: [CLO1-C1-PLOl] (20 marks) MomoReg Shift Add RegWrite Memberite Road Add 1 Register ReadAdd2 Data 1 Read Address + Data Memory Read Data write Addr Read Date 2 Wirita Data Write Data MemRead ALU contral overflow zero Instruction Memory Road Adress Instructo
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General Description For this assignment you will read and process historic stock data for the Tesla company. Project Setup and Structure Create a new java project in Eclipse and call it homework01. Inside the src folder, create a new java package called hw01. o All of your source code files will need to be placed in the hw01 file. Inside the src
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Which of the following was the focus of Bernard Rudofsky's "Architecture without Architects" exhibition? Architecture that catered exclusively to constructions for the wealthy and powerful. The study of structures destroyed during wars. Architecture is designed by academically trained designers. Chronologically and geographically inclusive study
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What is the binary representation of the decimal number - 1 using 4 bits? a ) 1 1 1 1 b ) 0 0 0 1 c ) 1 1 1 0 d ) 1 0 0 0

Can someone please answer this ?! Create a router table for Router T. For each row in the table identify the destination IP address and the IP Address (not the router name) used for the next hop. Assume all network addresses use a/8 mask. Router R should be the default next hop. Add or delete rows if necessary in the table Using the figure from
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In what condition the while loop never executes in the algorith below.

Which of the following statements are true? There may be more than one true statement - - select all that are true. Given two DFAs A and B that accept exactly the same language, we can always find a bi - simulation between A and B . Given two NFAs A and B that accept exactly the same language, we can always find a bi - simulation between A and B .
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Please all 3. Reduce the following expressions to the indicateu number of literals (total number of appearances of all variables, eg. AB+C' has 3 literals). A. X'Y' + XYZ + X'Y to 3 literals B. X+Y(Z + (X + Z)') to 2 literals CW'X(Z'+Y'Z) + X(W+W'YZ) to 1 literals D. ((A+B) + A'B')(C'D' + CD) + A'C' to 4 literals
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In cell J 2 , get the unique Areas. In column K , rows 2 to 9 , use AVERAGEIF ( ) to calculate the average count of Brush - footeds by Area. Pass it the area data as absolute addresses, the unique areas, and the Brush - footed count data as absolute addresses. In column H , join the average counts back to the original dataset. VLOOKUP ( ) takes 4

code in pythonfa ) Write a list comprehension that returns all tuples ( a , b , c , d ) , with a , b , c , d distinct integers, such that 1 < = a , b , c , d < = 1 0 , and a 2 + b 2 = c 2 + d 2 . b ) Consider a list of strings, like this: [ ' One ' , ' SEVEN ' , 'three', 'two', 'Ten' ] . Write a list comprehension that produces a list with tuples

code language:c++ oop 2. Write a program in C++ that illustrate the mechanism of validating array element references. Pseudo code: array a[max] max=10 A[0-9] A[-1] A[11] Operator(int i) A[O]; operator ((i) begin if (i=max) throw i else return a[i] end Output: trying to refer a[1]... Calling to overload | 3 trying to refer a[13]... Calling to
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C++ What is the problem with the code snippet below? void cost(int price, int reps) { for (int i = 0; i < reps; i++) { cout < < price; } return; } int main() { cout < < cost(10, 4) < < endl; return 0; } The function cost is invoked with the wrong parameters The function cost uses uninitialized variables The function cost returns void and therefore

8. The function f: (binary strings) binary strings). In each case, find f(S). a. S-(000, 1011, 10001), f(x)-the second bit in x b. S = {1 1 1, 100, 01 1 1 }, f(x) = the binary string that is the sum of the first and last bit c. S [001, 11, 101), f(x)- the binary string that is equal to x+ 1
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What is output from the following code segment: for (x = 1; x

Python 3 please Write a function def sameSet (a, b) that checks whether two lists have the same ele- ments in some order,ignoring duplicates. For example, the two lists and -P6.12 1 4 9 16 9 7 4 9 11 11 11 79 16 4 1 would be considered identical. You will probably need one or more helper functions
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Section 4 : Grading Criteria ( 4 . 1 ) Naming conventions, compilation and execution commands Before submission, rename your program to mainStudentID.cpp , e . g . , main 1 0 9 8 7 6 5 4 d . cpp OR mainStudentID.java, e . g . , main 1 0 9 8 7 6 5 4 d . java OR mainStudentID.py , e . g . , main 1 0 9 8 7 6 5 4 d . py [ C + + and Java only ] Make
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Which prong statement would display the letter ' A ' ? ( note that code point for the letter ' A ' is 6 5 . )

Computer Organization/Assembly Language CScT3331 Test3 Obiectives of the projest 1. To assess your understanding of basic programming structures in assembly 2. To assess your knowledge of programming with MASM (Microsoft Macro Assembler) and y language Visual Studio Problem Description &Programs Write an assembly language program in MASM to
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7. (20 pts) Consider the following program: ADD XO, X31, X31 ADDI X7, X31, #2 Loop: ADD X1, X3, X31 LDUR XO, [X1, #0] SUB X2, X1, XO STUR X2, [X1, #8] STUR X2, [X1, #16] SUBI X7, X7, #1 CBNZ X7, Loop (a) How many instructions will be executed? (Hint: you can find the number of iterations from the 3 instructions in bold) (b) Assume that ALU
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What is the value of y after the following code is executed? Note that the question asks for y , not x . x = 1 0 y = x + 2 x = 1 2 Group of answer choices 1 0 1 4 1 2 8

Explain the following A - how the cache misses can be reduced? ( 8 marks ) B - what is thrashing and how to solve it ? ( 7 marks )
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Please help ( in computer system language 221) chapter 5 optimizing program performance Q.4] Convert the following code to use 3-way loop unrolling for (1-0; 1
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hat is the output of the following code snippet? ( If there is any kind of runtime or compile error indicate this by typing "error" somewhere in your answer ) int i = 2 ; int j = 9 ; float f = 5 . 3 f; if ( j / i > f && + + i = = 3 ) i + + ; else if ( i % 3 = = 0 ) j - - ; if ( i + + + f + + > j ) i = ( int ) ( f - 4 . 1 f ) ; System.out.println (

Sensors, refrigerators, light bulbs, and thermostats being able to connect to the Internet and share data best describes: Social computing Neural network IOT Domain Name System
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C++ Please read directions, Write a program that lets the user play the game Rock, Paper, Scissors against the computer. 1.When the program begins, a random number in the range of 1 -3 is generated. If the number is 1, then the computer has chosen rock. 2 corresponds to paper, and 3 corresponds to scissors. 2.The user chooses rock, paper, or

Design a Turing Machine that computes the function f(w) = 1 if w is even. f(w) = 0 if w is odd.

write the logical expression for it Thi is neither a logician , nor a philosopher, nor a musician.

Please walk me through the step by step process of how to complete the entirety of case problem 1
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Write an algorithm in pseudocode for the given description of the input and output. I. Input: a 1 , a 2 , . . . , an , a sequence of numbers, where n 1 and n is the length of the sequence. II . Output: "True" if there are two consecutive numbers in the sequence that are the same and "False" otherwise.
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What is the running time of searching for an element is a sorted doubly-linked list?

. Calculate the speedup in the performance of the system by adding 4 additional cores. Assume that the programs it is running has 45% parallel portion. Answer: . Consider a system A has 4 processing cores and system B has 8 processing cores. Assume that the program X has 80% of the code can run in parallel. How much is the improvement in the
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You are given a database - MGMT 2 0 0 6 _ 2 0 2 3 2 4 S 0 2 _ Boutique Inc Student File.accdb, containing Currencies, Sales, and Locations tables to provide some results for MGMT Boutique INC. ( That is , your CC will provide you with the database ) . You should: 1 . Rename the database as MGMT 2 0 0 6 _ Boutique _ is your actual name. 2 . Create

Let (a,b) and (c,d) be two vectors in R^2. If ad?bc=0, show that they are linearly dependent. If ad?bc ? 0, show that they are linearly independent.

in C++ Output should match example output #ifndef STASH_H #define STASH_H #include #include using namespace std; struct Stash { int size; // Size of each space int quantity; // Number of storage spaces int next; // Next empty space // Dynamically allocated array of bytes: unsigned char * storage; // Functions! void initialize( int sz){ size = sz;
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PRESENTATION OUTLINE :COVID Your Content Visuals/Support Materials Time Opening State your purpose. Preview your main points. Make your audience want to listen Body Get across the main points of your presentation Conclusion Summarize your content Challenge the audience to take action

JAVA public class On1i neShopper public static void main(String[] args) Item] items [new Item("Bird feeder", 2050), new ItemC Squirrel guard", 1547), new ItemC"Bird bath", 4499) new ItemC"Sunflower seeds", 1295)]; BagInterface shoppingCart - new BagO; int totalCost-0; //Statements that add selected items to the shopping cart for (int index0; index
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You will be using standard SSI (Small Scale Integration) logic chips to implement the circuits in this assignment. Use the slide switches and LEDs provided on the X CRP board. LEDs must be bright when lit. Please provide truth tables including columns for test data, Boolean expressions for all output functions,all algebra for circuit
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Define comparison operators. Based on your major, Medical administration give an example of at least three operators. Explain the Look - Up function.

Which types of instructions or statements are used to communicate with the user of a computer program? Check all that apply. Group of answer choices Assignment Input Output

In C programming please and same output please.. second picture is the file ECE 175: Computer Programming Engineering Applications Spring 2017 Lab Assignment 89 To be demonstrated in the lab during the week of April 37,2017 Relevant Programming Concepts: User Defined structure Type to simply ked list Write C program that Use the following
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What are the three basic elements for intext citations for a quote? URL, date of publication, and author's last name. URL, page number and author's last name. Author's last name, year of publication, and page number URL, title of article, and author's name
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Database oracle Assignment 1. Write a program that print the maximum number from x, y, or z? 2. What is the out put of the following programs?? RE 1 das D number: 5 began born 1 1007 dbs_output.put linee 15 then TER LOR Oxi When dbe outpue ane! ITE an output pot ne 111 and cop -20 abmu_output.put line 111) end and Loop and ca
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Consider the program below: void decompose(double x, int int part, double frac_part){ int part = (int) x; frac_part = X - int_part; } int main() { double number = 8.5; double fractional part = 0; int integer part = 0; decompose(number, integer_part, fractional_part); printf("%d %.1f", integer_part, fractional_part); return 0; } What will be the
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A digital forensics expert may well be able to recover at least part of a deleted file from a Hard Disk Drive, even after some period of time and even if parts of the file have been overwritten by other files. Why is this true? What are the implications for the expert if instead they have to deal with a Solid State Drive? You should answer in

The access time ( speed ) of memory has no effect on how fast a computer processes data. Group of answer choices True False

: Given the following ER-diagram, convert it to relational model, with primary key and foreign keys clearly specified. SSN Name Destination Addr From DRIVER Number ROUTE N 1 Stops Drive Date Duration BusID 1 N M N BUS Run SCHEDULE Type Seats Registration Day Time
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Please write a pseudo code for a non-recursive implementation of quick select

Task 3.b. - Explanation of the methods/keywords/concept and logic in your own words - Client side Java code with proper format - Server side Java code with proper format - Client side output screen with screenshot - Sever side output screen with screenshot use task 2 information be careful about plagiarism Task 3: Client / Server application with
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A more specialized type of microcomputer is a ( n ) _ _ _ _ _ _ _ _ .

What links a host programming language to a database system? API SQL Key ID
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show the high level network diagrams and network architecture and complete ip address all and ip address schema and computer draft diagram Discuss all the steps and details Use cisco packet tracer to develop network digram and blueprints no simultion needed Consider the most efdixient design approaches in terms cost reliblity efficiency and
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1. In a large western states an agency that dispatches mobile units to disaster areas to monitor the disaster sites for hazardous chemical and biological contamination requires reliable Internet access for these units fro any location in the state. They need to keep up-to-date with technical information via postings on federal websites and to

6.21) Write a subroutine to subtract two numbers (practice: subtract 17FA from 2CB5). In the calling program, the BSA instruction is followed by the subtrahend and minuend. The difference is returned to the main program in the third location following the BSA instruction.

Briefly discuss the following eight items: 1. Discuss the activities involved in designing a website? 2. Discuss a site map and its contents. What does a site map depict? 3. Explain what a wireframe depicts? 4. Discuss the hallmark of a well-designed website. What makes a website stand out from others? 5. Why is it useful to add blank lines within

Theresa wants to implement an access control scheme that sets permissions based on what the individual's job requires . Which of the following schemes is most suited to this type of implementation ? ABAC DAC RBAC MAC

please solve this java programme quickly it is a lab and it will finish in one hour and a half Exercise#1: Time Class Write a Java class named MyTime that contains three data members which are hour, minute, and second. Note that the valid values for hour, minute and second are: 0-23, 0-59, 0-59 respectively. The class should implement the
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Question 5: 1. Which out ot three type of networks LAN. MAN and WAN, is to be used when an institute connects computers of two adjacent computer laboratories? 2. What is the difference between HTTP and FTP? 3. What is the major difference between Message Switching and Packet Switching in networking? 4. What is the basic difference between DNS and
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CSC220 PJ3 GAS STATION SIMULATOR. I AM HAVING ISSUES WITH THIS PROJECT. PLEASE POST THAT CODE WORKS AS INTENDED IN README FILE. CAR.JAVA // DO NOT ADD NEW METHODS OR DATA FIELDS! // DO NOT MODIFY METHODS OR DATA FIELDS! package PJ3; class Car { private int carId; private int serviceDuration; private int arrivalTime; // default constructor Car() {

Scanner keyboard = new Scanner(System.in); int time = keyboard.nextInt(); switch (time) { case 7: case 6: System.out.println("Green"); break; case 5: case 3: System.out.println("Yellow "); break; case 2: case 1: System.out.println("Red "); break; default: System.out.println("What? "); break; } What prints if the user enters 0? What prints if the
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Question 3 2 Which of the following is true about captions? Captions cannot include symbols such as @ , : , ; , or / . They are automatically displayed in an index. Captions are linked to the corresponding image, so clicking the caption will move your cursor to the image. They can be used to create a Table of Figures.
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2. (20 points) Graphs a) The 2 related graphs are given below. What do they show us? b) How do these graphs change? Show typical graphs for both when the model output is improved. Explain the change Cost at step 2 = 4 385 Labelled data & model output 200 w ex cost it-yt 10 target T 10 05 10 15 20 parameter P put
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convert the following unsigned binary numbers to decimal

develop sql queries in microsoft access Lab Problem #8. Develop a query to list employees and the names of the projects they are working on (one record for each employee/project combination). Only include employees who are assigned to projects. Lab Problem #9. Repeat problem #8, aliasing the project table as PT and the employee table as EMP.

Implement Quicksort to sort 1 3 , 1 9 , 9 , 5 , 1 2 , 8 , 7 , 4 , 1 1 , 2 , 6 , 2 1 on your Computer. when the pivot is chosen as ( A ) the first element ( B ) the larger of the first two distinct elements ( C ) the median - of - 3 : Choose the pivot as the median ( middle element ) of a set of 3 elements randomly selected from the input list You

Assignment #27: Sort a List of First and Last Names (Project) PRINTF STATEMENTS NOT (programming with C) Write a program that asks the user to enter the names of all the members in their club/class. The names should be entered as strings. The user should enter their name in a normal way such as John Smith. The output should print out a list of the
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Design of CFGs Give CFGs that generate the following languages with the alphabet = {0,1} (a) {ww contains at least three 1's } (b) {ww starts and ends with the same symbol } (c) {w length of w is odd } (d) {w length of w is odd and its middle symbol is 0} (e) {ww contains more 1's than 0's } (f) {0n1m0nn,m0} (g) The empty set
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Enterprise software business components that process the database application are typically stored in: Group of answer choices Backup Servers Web Servers Email Servers Application Servers

Use the RSA algorithm to encrypt and then decrypt the number 9 to ciphertext using p = 5 , q = 1 1 , e = 3 . Again, show all work ( for example, how was d calculated ) .

Which of the following Formula Auditing tools displays lines with arrows to identify all cells referenced in the formula in the active cell

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