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Databases Questions and Answers August 16, 2018

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(Problem 2.1) Use Bayes rule to solve the following problem: At a party you meet a person who claims to have been to the same school as you. You vaguely recognize them, but cant remember properly, so decide to work out the probability that it is the case, given that: a. you vaguely recognize 1 in 2 of the people who went to school with you; b. 1
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Guidelines for doing the extra exercises For all the extra exercises, you will start with the HTML and CSS for the user interface. Then, you supply the JavaScript or jQuery thats required to get the desired results. Unless an exercise specifies that you need to modify the HTML or CSS, you wont have to do that. Do the exercise steps in sequence.
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I have this assignment with old links which does not work anymore, I need a ready mongoDB E-commerce product catalog database and implement the exercises on it. It is possible to configure the questions to fit the database as long as the idea is the same (e.g.instead of finding a genre sorted by year, make it finding a car type sorted by car
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What kind of threat requires mitigation by ensuring that the cable runs are neat? remote access threats environmental threats electrical threats maintenance threats

Question: Sign Language Recognition with Machine Learning (need code an implement code on a dataset need dataset file too and a project report). what i need 1:source code files (the python code files) 2: project report (contains introduction, project discussion, result with imagaes) 3: dataset file

Your company is in need of a new server for development. It has chosen DigitalOcean as its web hosting company and would like you to take the lead on the deployment of this development system. The system will need to be accessible to certain users, have a high level of security, and be fully customizable.

what is the significance of a lack of data integrity?

Consider the following EER model of a database which stores information about scientific publications. Which statement is CORRECT?
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A.) function x = Tridiag(e,f,g,r) % Tridiag: Tridiagonal equation solver banded system % x = Tridiag(e,f,g,r): Tridiagonal system solver. % input: % e = subdiagonal vector % f = diagonal vector % g = superdiagonal vector % r = right hand side vector % output: % x = solution vector n=length(f); % forward elimination for k = 2:n factor =
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One of the goals of specifying requirements is to be able to control the production and development of a system. Select one: True False
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Use the SaleCo ERD listed below and the provided SQL scripts to construct its relational database and answer the following queries. Write a query to count the number of invoices. Write a query to count the number of customers with a customer balance over $500. Generate a listing of all purchases made by customers. Generate a listing of customer

This is in C Language Create a program with output EXACTLY as below. Replace your _ name with your actual name. User input is highlighted in yellow. ( hint these are your scanf ( ) s ) You are to create a program to calculate a simple monthly budget. For full points you must use variables of a correct and consistent type. Take special care in
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Use the following truth table for parts a and b : a . Write the function as a sum of minterms. ( 5 points - 1 point per term + 1 point for form ) b . Write the function as a product of maxterms. ( 5 points - 1 point per term + 1 point for form ) c . Use Boolean principles to convert g = a ^ ' b c ^ ' + a b ^ ' c to POS form. Write the principle

Exercise 2 : Abstract Concept of a Queue: A queue is a collection of elements where the first added element is the first to be removed. It follows the FIFO ( First - In - First - Out ) principle. For example, imagine a queue at a ticket counter; the person who enters the queue first gets served first. Design and Implementation of a Queue Abstract
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C++ please Calling with Arguments
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Formulate the statements given below in natural language using logical quantifiers. Then find the complements (Eng. Negations) of these logical expressions and write the corresponding sentence in Turkish. Note: Take humans as Universal Space. x: human P (x): man keeps secret. Q (x): obeys human speed limits. a) Nobody can keep a secret. b) Some

In Prolog, a goal and a fact unify when no anonymous variables are required in the rules that make up the fact all the variables in the goal are ground their functors and arity are the same and the corresponding arguments are identical when you want it to unify really, really bad In Prolog, a goal and a fact unify when no anonymous variables are
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Logan is considering web app development as a career option. Which of the following languages does he not need to master? Acss B . JavaScript C . MTML 5 D . l o g 0
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java Task"3 (specifv the UML. class diagram to iava codel Eaavine the following Class Bagram, then answer the following questions: 1. Create a dava project ramed Proj 10, and convert the above class diagram intodava cose. Methods behavioes are lilurtrated below: a. Drinkll diselars "frink water" a. Afvel) lin Mammals] retuen Wak" c. Monef. lin
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1. Introduction We want to write a program to simulate a bank with multiple tellers. The goal of this simulation is to collect statistical information of the banks customers and tellers. A bank service area consists of several tellers and a customer waiting line (or queue). In each time unit, at most one new customer arrives at the waiting line.

Using The Coq Proof Assistant, prove the following exercises:
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According to the U . S . Department of Defense's Information Operations Roadmap, what type of information operation technique operates within the realms of cyberwarfare and information operations? Intelligence gathering Armed conflict Electronic warfare Operations security

Write a program to check whether a triangle is valid or not, when the three positive angles of the triangle are the inputs. A triangle is valid if the sum of all the three angles is equal to 180 degrees. Constraints 1 A,B,C 180 Input Format Line contains three angles A, B and C, of the triangle separated by space. Output Format Display 'YES' if

C++ Class Unnamed Namespaces] Every compilation unit has an unnamed namespace. (Think of each cpp file as being one compilation unit.) How is the unnamed namespace different from the global namespace?

Gwen's company is planning to accept credit cards over the internet. What governs this type of activity and includes provisions that Gwen should implement before accepting credit card transactions? Question 3 7 options: FERPA PCI DSS HIPAA CALEA

Find and solve the characteristic equation for this recurrence equation. tn = 3tn1 for n > 1 t1 = 2

What s the difference between a Generation 1 and 2 version virtual machine

Suppose 1,000 integer elements are generated at random and are inserted into a sorted linked list and a binary search tree (BST). Compare the efficiency of searching for an element in the two structures.

Please list steps. I will rate, thank you. Exercise 2: Determine the wave shapes of the Flip-Flop outputs A B and C assuming that initially they are cleared prior to the application of the first clock pulse. The given Flip Flops are triggered by the leading (LOW to HIGH) edges of the clock pulses. CThe propagation delays are negligibly small.).
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Given an input of [2, 5, 17], the function is expected to return [true, true, false]. This is because 1 + 1 = 21+1=2, 2 + 3 = 52+3=5 but there are no two Fibonacci numbers that sum to 17. [execution time limit] 1 seconds (cpp) [input] array.integer64 a A list of numbers which we want to query. The length is guaranteed to be less than 5000. 1 \leq

Select which is most correct. Group of answer choices In the USART 0 peripheral, the receive complete ( RXC ) and data register empty ( DRE ) interrupt flags must be cleared by the interrupt service routine. In the SPI 0 peripheral, in normal mode, receive and transmit share an interrupt flag. In the SPI 0 peripheral, in normal mode, an interrupt

Displays the last names of employees under the manager id 124 or 12 Also generate an email add from getting the first 4 letters of first name of each employee. Example: rico@apple.com I used this solution in chug and keep shows the results error please help SELECT FIRST_NAME ||' '||LAST_NAME AS FULL_NAME, SALARY, MANAGER_ID FROM employees; WHERE

what type of adt would a deck of playing cards be considered in java

wright an algorithm in c++ language that print top 10 frequent words that are in a text file in descending order. and please Explain how your code finds Top 10 words and the reason of your search/sort algorithm choice.

As part of the continuum of prevention and intervention services available in Florida, there are resources that can provide prenatal support for expectant parents, as well as postnatal education and support for parents of newborn children. True False
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with Disney plus are there any potential blockchain applications in content licensing user authentication or digital Rights Management

Given the new situation the now merged company s management team would like to bolster their overall security posture. Provide an itemised description of changes or additions to the network that would improve the security posture of the company. For each proposed change or addition, describe what benefits, and detriments, would the change have on

Which of the following implementations A and B are used to count the internal nodes in a binary tree? An In Time node that has at least one child. ? ? A int countInternal ( Node * root ) { if root = = nullptr | | root left = = nullptr && root - > right = = nullptr
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A 3-character string, userPassword, is read from input. Replace each character in userPassword that is not a digit with ".'. Otherwise, userPassword is not changed. Ex: If the input is y86, then the output is: 86 12345678910111213141516#include #include #include
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Please provide the correct answer with explanation. Answer the following questions: a . Derive the pseudo code that is suitable to be converted to an ASM chart. b . Convert the pseudo code into an ASM chart.
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1) List and describe the types of systems described in this case study. (1 Mark) 2) How do these systems improve the operation of the business? (1 Mark) 3) How do these systems support decision-making? Identify 3 different decisions that can be supported by these systems. (1 Mark)

As discussed in class, which of the following terms is often used to describe security in the cyber world? Check all that apply. Group of answer choices cybersecurity computer security information security information assurance

public class ExampleCode3 { public static void main(String[] args) { ArrayList numbers = new ArrayList (); numbers.add("A"); numbers.add("B"); numbers.add("C"); HashMap cypher = new HashMap (; for (int x = 0; x < numbers.size(); x++){ String temp = numbers.get(x); cypher.put(temp,x); } HashMap cypher2 = cypher; } } Can someone help making Memory

In a DNS Database zone, which resource record consist of computer name and IPv 4 address CNAME , host , alias , SOA

You are given a weighted undirected graph G with n nodes and m edges. You are also given T a Minimum Spanning Tree for G . Show how to update T in linear time 0 ( n + m ) if the weight of an edge in the graph changes.

Distributed Transaction does not provides failure atomicity and time sharing. Group of answer choices True False

Explain the following terms in detailed. a) Quantum Processor b) ThunderBolt c) Embedded Multicore d) 11th Gen Intel Core Processors
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1. Introduction 2. Learning Objectives 3. Deliverables 4. Hands-On Steps Hands-On Steps Microsoft Server #4 (E-mail Server) 5. In your Lab Report file, use the following table to identify three to five IT assets and insert them into the table. Indicate in which of the seven domains of an IT infrastructure the asset resides. Indicate if the asset
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Write the SQL query that will accomplish the following, based on the Pet Database: List each city and the total balance of customers in the city but only include those balances greater than 5 0 .

make a pitipar card game containing, destructors, constructors, operator overloading and inheritance class, containing selectors and modifiers in c++

Module: CM 1 0 2 5 Fundamentals of Computer Science Midterm coursework Using a proof by contradiction, show that if n is an integer and n 3 + 5 is odd, then n is even. [ 3 marks ]
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v ^ R < w ^ R for string r , s , v , w

Given that two int variables, total and amount, have been declared, write a loop that reads integers into amount and adds all the non-negative values into total. The loop terminates when a value less than 0 is read into amount. Don't forget to initialize total to 0. (C++ please)

Write a single complete C file containing automated unit tests for the functions from mystring.h . Cover all the types of test cases we have learned as thoroughly as possible, and organize your tests into functions called from a main program. Write the main program as well. You may call the following functions after including a header file

ISML stands for: Question 5 2 options: intelligent systems machine learning. information security management lifecycle. intelligent systems modeling language. information systems management lifecycle.

Give the formal definition of a context-free grammar that generates the language L = {w w^R | w elementof {a, b, c}*}
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Provide regular expressions for following languages over the alphabet or provide brief explanations for your answers. 2 0, i . Annotate your regular expressions (a) The language of all strings with at most one pair of consecutive 1s (b) The language of all strings not containing 010 as a substring. (c) The language of all strings that end in even
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The query is created in Query view Design view Form view Datasheet view
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69. Suppose we are working with an error-correcting code that will allow all single- bit errors to be corrected for memory words of length 7. We have already calculated that we need 4 check bits, and the length of all code words will be 11. Code words are created according to the Hamming Algorithm presented in the text. We now receive the
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Write a C program that creates an array with random names, then use a random number generator to create an Id. The user should be able to pick a number between 0-100 that then generates a random name and ID.

this needs to be a python function Question A5: You work for a company that creates custom tables for printed textbooks and your first assignment is to produce a formatted display of distance conversions between kilometers, miles and feet. You know that one kilometer is equivalent to 0.621371 miles and that one mile is 5,280 feet. Write a program
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Database system question Please create a table from some cases, then normalized it each to 1, 2, 3, 4, 5 normalized forms. Then convert the final table to ERD. Please explain each of the step. P.S: - Please answer in a proper format - Please answer in a typed or softcopy format - Please don't do it with pen or pencil, do it with software or tools

Outline a 5TM that multiplies two binary numbers initially on tracks 1 and 2. The product should be placed on track 3, using track 4 and 5 as a working area.

4. Assume that registers Ss0 and Ss1 hold the values 0x80000000 and 0xD0000000, respectively. (a) What is the value of St0 for the following assembly code? add $t0, $s0, $s1 (b) Is the result in St0 the desired result, or has there been overflow? (c) For the contents of registers Ss0 and Ss1 as specified above, What is the value of St0 for the
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The prototype system is failing to react in time to these input events, causing noticeable annoyance to the gamers. You have calculated that you need to improve overall system performance by 5 0 % . This is to say that the entire system needs to be 5 0 % faster than it is now. You know that these I / O events account for 7 5 % of the system

In MVC design pattern, any representation of information, such as chart, diagram, or table is typically considered part of the "Controller". Select one: True False

or each of the scenario, develop a GUI featuring event - driven hooks, and develop and document working procedural code to execute functions. Include screenshots of the output produced to each question as well as the python program as . py files. 1 . Weather Forecast: Develop a GUI - based weather forecast application that provides real - time

Create a class called Dessert ( you ll need to create a new file and add it to Git ) inside of the src / folder. This class should have the following characteristics: Two instance variables: int flavor and int price. A constructor that takes two parameters int flavor and int price and sets the instance variables accordingly. One static variable

Pleas answer all parts if possible Consider the following PartITION algorithm used by QuICKSORT (this version of PARTITION is based on the algorithm from the slides with the for-loop replaced by a while-loop). Algorithm Partition (L, start, end): 1t v,i,j:=L[ start ], start, start +1. 2: while j= end do 3: if L[j]0 then 4: i:=i+1. 5: Exchange L[i]
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Based on your research, submit your response comparing the networking and multiprocessing capabilities of the following OSs with regard to network communication, routing, VPNs, and multiple process support: Linux Windows Server Solaris Mac OS X Server

Write program for this using C++ code Ceate a program, NumberGuessingGamethat will make the the way you will help the us ner guess a random nuambser betwoon 1 and 100 (nchnive) The game won't ond unitil the usor gaosses the corect number, but along Until the user guesses the secrot numbor Obtain a guess IH it's highor than the numbor, tell the
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Develop a program that looks for the tallest basketball player whose age is less than or equal to the average of all the . There must be three classes within the program. The first class ( Height ) should contain two iinteger instance to represent the feet and inches. The class should be immutable; so it should have no setter methods At a minimum

The traditional protection levels used by operating systems to protect files are read, write, and execute. What are some other possible levels that a user may wish to apply to files, folders, code, etc.? Justify your answers with examples

number 1 is answerd, code is below, need help with rest probelms compare: addi $sp, $sp, 4 sw $ra, 0($sp) add $s0, $a0, $0 add $s1, $a1, $0 jal sub addi $t1, $0, 1 beq $v0, $0, exit slt $t2, $0, $v0 bne $t2, $0, exit addi $t1, $0, $0 exit: add $v0, $t1, $0 lw $ra, 0($sp) addi $sp, $sp, 4 jr $ra sub: sub $v0, $a0, $a1 jr $ra 1) Rewrite the
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Two machines connected via a WAN communicate using a fixed bit rate of 5 M b p s . Data between them can be switched using: a . Packet switching only b . Circuit switching only c . Either packet switching or circuit switching d . Virtual circuit packet switching only
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Question 22. A packet with destination IP address 24.19.66.101 arrives to this router. Out what interface will this packet be sent? Consider the following output from a Cisco router; global route table and ARP table respectively. Use the information contained in these tables to answer Questions 14 -17. Intro to LANs & WANs HW 1 DePaul University
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The Fibonacci sequence is a sequence in which each number is the sum of the two preceding ones. Numbers that are part of the Fibonacci sequence are known as Fibonacci numbers . The sequence commonly starts from 0 and 1 . Starting from 0 and 1 , the sequence grows like this: 0 , 1 , 1 , 2 , 3 , 5 , 8 , 1 3 , 2 1 , 3 4 , 5 5 , 8 9 , 1 4 4 , . . . .

Process Arrival Time Burst Time P1 6 P2 30 15 3. P3 P4 P5 - 12 12 Given the set of processes that all arrive at time 0, calculate the average waiting time and turnaround time when the following scheduling algorithm is applied: 1. Preemptive FCFS 2. Non-preemptive SJF 3. Round-Robin (quantum = 10) Process Arrival Time Burst Time P1 6 P2 30 15 3. P3
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To design and implement oracle database on bank theme and write insert, update, delete, search and lookup queries.

What is not a type of software? processor application system programming

Run the command netstat -a This will give you a list of all of the network connections your system knows about. How many do you see that are listening (meaning, there are programs that are waiting for connections from other systems)?

Assignment #2 Write a complete program that will create a table as follows: The table will have 4 columns headed by: NUMBER, SQUARE, SQROOT, and FRTHROOT defined as follows: NUMBER SQUARE SQROOT FRTHROOT generate the odd numbers from 5 to 25 (inclusive) the square of the number the square root of the number in the NUBMER column the fourth root of
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Can ML Gradient decent use for solve first order diferential equation

Part II. Project 3 - Find and Remove in CStrings ( 20 points, submit your solution file online before the due date). Upload your file named LabProj3.cpp and LabProj3.h. The purpose of this programming assignment is to practice writing codes for c-strings. In this project, you are NOT AILOWED to use any Ct+ string class variable and its member
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Quick computer science questions. Answer all 21-30 f or positive rate. 21. T or F? As operating systems became larger and more sophisticated, machine language instructions were added to computer hardware to facilitate the use and development of the operating systems. 22. T or F? There is much more to the functionality of an operating system than
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If else statements, java program program does the following: Print a message indicating whether it is a positive or negative number. If it is a negative number, change it to its absolute value. Print a message indicating whether it is a single-digit number or has more than one digit. - Sample Run: Enter an integer: -28 -28 is a negative number.
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In the context of analyzing perceived improvements of cybersecurity risk assessment, what does an "analysis placebo" refer to ?

Beginning C++/ Game Programming Can tell a story or crunch some numbers about something you care about. Create an original program and include the following features: 1. Variables 1. Int 2. float 3. string 4. bool 2. Modulus Operator 3. Increment Operator 4. Decrement Operator 5. += and -= (Combined Assignment operators) 6. cin 1. Two Inputs from
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Question 3 : Design a Moore machine that scans sequence of input of 0 and 1 and generates output ' A ' if the input string terminates in 0 0 , output ' B ' if the string terminates in 1 1 , and output ' C ' otherwise.
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she spent in each category are pictured here

Write 400-600 words that respond to the following software process improvement, and make sure to cover the following points: Summarize some of the key aspects of software process improvement. Describe how software process improvement might be initiated within an organization. Discuss the importance of software process improvement within an

Problem 8 : Give a context free grammar for the language L = { a n b m c k | n+m = k }

Is this an immutable class? Why? Public class Employee{ Public string ID; Public Employee(string ID){ This.ID = ID; } }

Question 1 In object - oriented terminology, "default constructor" means a constructor with a single standard parameter: True Fals
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[JAVA] I need help with this assignment since I'm having diffuculty This assignment is built using the code from the previous assignment. Create a separate serialized file using ObjectOutputStream for each student. File should contain student's score and statistics for entire class. Using debug mode (with Debug flag) print the contents of the

a . Assume S P = 1 5 BEH before the "PUSH VAL 3 " instruction in the main procedure. After the main procedure is executed, find the following: RESI = S P = b . User wants to add 1 2 8 k EPROMs and 1 2 8 k SRAMs to a PC using the 7 4 1 3 8 s to decode the 3 2 k 8 memory blocks ( EPROMs and SRAMs ) controlled by Ys . Addresses available start 4 0 0
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Programming in python 3.6.4: Implement a function rollDice which accepts a single argument, n, and then returns a list of n random dice rolls (each a number between 1 and 6 (inclusive)). >>> random.seed( 0 ) >>> rollDice( 5 ) [4, 4, 1, 3, 5] >>> random.seed( 10 ) >>> rollDice( 10 ) [5, 1, 4, 4, 5, 1, 2, 4, 4, 3] >>> random.seed( 7 ) >>> rollDice(

Five integers are read from input and stored into the array arrayToModify. Write a static method addNumToElements ( ) that takes an integer array parameter and adds 8 to each element in the array. Ex: If the input is 4 0 8 5 1 0 9 5 5 0 , then the output is: Initial array: 4 0 8 5 1 0 9 5 5 0 Final array: 4 8 9 3 1 8 1 0 3 5 8

please answer on paper and breifly Draw a NFA state diagram for language A = { binary string w | w does not contain " 0 1 1 " }

2. Assume there are 6 processes with id, arrival time and burst time as shown below (see Table 2). b) Compute the following using Shortest Remaining Time: i. Response time ii. Throughput (3 Marks) iii. Average waiting time (1 Marks) iv. Average turn-around time (2 Marks) (2 Marks)
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