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Databases Questions and Answers December 11, 2020

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When a process changes state, which transition is NOT allowed? ( Chapter 2 ) Question 7 options: From ready to running From blocked to ready From blocked to running From running to ready From running to blocked

A subquery contains a within a Complete the blanks in the above sentence with the options below GROUP BY clause WHERE clause HAVING clause SELECT statement
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From the following list, select concept that is NOT related to memory management. ( Chapter 3 ) Question 6 options: Page table - tracks the relationship between virtual addresses and physical memory addresses Page Fault occurs when a program accesses a memory page that is not in physical memory. The process table - keeps tracking of processes

Note: Assume the process of ATM cash withdrawal and follow the assignment instructions given below. The typical steps of cash withdrawal could be following: 1. Insert card 2. Enter ATM pin and validate 3. Select cash withdrawal option 4. Enter the amount and validate in case of limit exceeded or machine out of cash 5. Take the cash and ask for a
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Which logic gate the following neural network represents? Show calculations +1 +1 -10 -30 *** +20 +20 X1 a1 2 ai ho(x) +20 +20 +30 X2 -20 -20
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Validation ensures you built the right system. True / False

State three examples that can protect a corporate network and their drawbacks.

1. a) Write a C program that will take a series of n integers as input in an array and sort the series in both ascending and descending order. Sample input: 5 10 15 45 5 0 Sample output: Ascending Order: 0 5 10 15 45 Descending Order: 45 15 10 5 0 b)Analyze the following C programs and find if there is any error. Write the corrected version of the

The following statement would cause an error. int num 1 = JOptionPane.showInputDialog ( " Enter an integer." ) ; Question 2 2 options: True False

c++ Write a program that calculates and prints the bill for an outdoor cinema. There are two plans Seat Type Indudes seat plus food and drink pack Weekday Ticket Sunday to Wednesday Weekend Ticket Thursday to Saturday VIP 300 AED 350 AED Standard 130 AED 150 AED 1 11 Ask the user to login into his account by entering his/her account number. A
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Microsoft Word has a built - in editor for grammar and punctuation. Word s spell check and grammar check will catch many errors, but it will not catch all errors ( such as homonyms ) . Share at least THREE instances of errors Word's editor will not catch and / or autocorrect. Please read all posts already made before posting your own. Do not

Given the following vector C, 5 -7 -1 C= Use Matlab to find the product of A and C; Use Matlab to find the product of C and the first row of B a. b
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First, declare a variable called counter that has type int and value zero. Then write a while loop that runs 1 0 times and use counter to track how many times the loop runs. ( please use python )

Consider the following three threads and four semaphores Consider the following three threads and four semaphores/Star Initialize X Star/X = 1;/Star Initialize semaphores Star/s1 = s2 = s3 = s4 = void thread1 () {while (x ! = 360) {x = x Star 2;} exit (0);} void thread2 () {while (x ! = 360) {x = x Star 3;} exit (0);} void thread3 () {while (x ! =
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The following is in C programming; b) A function named fun2, that takes nothing and returns a float. c) A function named fun3, that takes an integer, a float and a character as arguments and returns nothing. d) A function named fun4, that takes no arguments and returns an integer and a character. e) A function named fun5, that takes an integer and
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B Question 5 When an array is passed to a method O All of the above O A reference to the array is passed The method has direct access to the original array It is passed just as an object Question 6 int a = What would be the results of a after the following code executed? int[] = {55, 33, 88, 22, 99, 11, 44, 66, 77): 10: if(x[2] > x[51) a = 5; else
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Which of the following is true regarding instructions placed in ROM? They are permanent. They are considered output. They are retrieved by the postfetch unit. They are erased when the computer is turned off.
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Which of the following is NOT a Hadoop service?

Compute the early, late, and slack times for the activities in the network that follows, assuming a time-constrained network. Note which activities are critical, and determine the critical time-constrained project duration. Note: Recall that in the schedule resource load chart the time-constrained scheduling interval (ES through LF) has been
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please Share at least THREE instances of errors Word's editor will not catch and / or autocorrect.

The Web page displayed when a user first visits a site is called a ( n ) a . splash screen b . cookie c . hit d . ad impression
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Explain the difference between these two statements: result = 9*2 result = 9*2; The following assignment statements either contain at least one error, or could be improved in some way. Assume that radius is a variable that has been initialized. First, identify the problem, and then fix and/or improve them: 33 = number my variable = 11.11; area =

1) In general terms what are the four distinct actions that a machine instruction can specify? 2) Explain Interrupts and why it is important to use interrupts? 3) What are the different basic functions of an operating system? What does each do? 4) What are the differences between user mode and kernel mode? 5) Why multiprogramming better than

IN PYTHON 1 Binary Search Trees Task-1 For each of the following operation, draw the final state of the binary search tree after the remove operation. Remove node 65 from the original tree. Remove node 16 from the original tree. Remove node 12 from the original tree. Remove node 42 from the original tree. 42 (12) 53 8 16 60 2 22 (57) 65 19
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Make a program that asks for input from the user, applies eval to this input, and prints out the type of the resulting object and its value. Test the program by providing ve types of input: an integer, a real number, a complex number, a list, and a tuple. Filename: objects_qa.

Question 8 ( 3 0 points ) : ( 3 5 points ) Given the centroids A , B , and C as shown in the figure below, use your knowledge of the k - Means algorithm to fill out the table by computing the Euclidean distance from each point to each centroid. Use your calculations to assign each point to the most appropriate cluster. Once you have filled out the
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From the textbook : ARM edition of computer organization and design chapter 4 4.6 Section 4.4 does not discuss I-type instructions like ADDI or ANDI. 4.6.1 [5] What additional logic blocks, if any, are needed to add I-type instructions to the CPU shown in Figure 4.23? Add any necessary logic blocks to Figure 4.23 and explain their purpose. An
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how do you know if a device is an input device or an output device

One of the following is correct about parallel addition: a. It requires more full adders when compared to serial addition b. It requires less full adders when compared to serial addition c. It requires the same number of full adders as in serial addition d. None of the above
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Only NT Servers can be used for implementation of which of the following? DNS DHCP LDAP WINS
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All of the following are correct variable definitions in bash. let ' y = 9 9 + 7 9 ' let y = " 9 9 + 7 9 " let y = ' 5 5 + 7 9 ' let y = 5 5 y + = 8 3 let y = 5 5 + 7 9 True False

JAVA ! Question 1 What is the output of the following code segment? ArrayList grocery?1St = new ArrayList(); groceryList.add ("milk") groceryList.add ("eggs") groceryList.add (1, "bread") System.out.println ( groceryList)
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Directions for Lab: quadratic.py Follow the directions at PyCharm Debugging. We have provided starter code at quadratic.py ; use this instead of the Solver class version on the PyCharm Debugging webpage. Read over the PyCharm Debugging webpage, and demonstrate that you can step through the code and view the d variable prior to the square root

1.Explain at least three (3) leadership approaches and when they are best utilized. 2.Describe five (5) ethical situations or dilemmas that project managers might face in their role within an organization. 3.Assess the role of technology in project management. 4.Provide your expectations for the development of the project management field aided by

please i need a short answer and nice hand writing 1. Briefly explain the difference between Ping and tracert commands. 1. Briefly explain the difference between Ping and tracert commands
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Label A in the following figure is referred to as a ( n ) server. Application Web VPN XML CRM

This is in C 1) You will create a program that manages employee records 2) Create a header file (lastname employeerec.h) that defines an employee data structure (SEMPLOYEE) that can be linked onto a linked list. The data structure should have the following fiel a. b. c. d. e. f. g. First Name (firstName) Last Name (lastName) Employee ID (id) Start
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use marie simulator to solve. do not copy and paste answers on chegg, they don't work. Question 3 . Write a Marie Program (Q4.mas). Get two integers A and B, then calculate output the multiplication C = A*B using a subroutine based on the Ins" instruction. A subroutine reads A and B and generates C. Define the variables A, B, C Document and
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7. The following circuit is for a sequence recognizer. The sequence that the circuit detects is (assume that the MSB of the sequence is the first bit applied to the input of the circuit): output CIK CIK Cik CIK D Cik D D D D Clock input a. 01110 b. 10001 c. 01101 d. 10010 8. A T flip flop can be implemented using: a. Two JK flip flops b. Three D
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due to it failure one can not use qi macros statistial software. given cpu . 4 4 and cpl is . 5 5 what is cpk

Create a flowchart with the following shapes for the Java program. import java.util.Scanner; public class Exercise 0 7 _ 1 9 { public static void main ( String [ ] args ) { / / Create a Scanner object for user input Scanner input = new Scanner ( System . in ) ; / / Prompt the user to enter the size of the list System.out.print ( " Enter the size
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What output is generated when the program is executed? A. n.myNum2 = 0 B. n.myNum2= 11 C. n.myNum2 = 9 PROGRAM: public static void main(String args[]) { ClassA n = new ClassA(11, 0); ClassA temp = new ClassA(3, 9); n.methodB (temp); System.out.println("n.myNum2 n.getMyNum2()); } + CLASS: public class ClassA { private int myNuml; private int
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Question 10 (1 point) Select true statements (negative points for incorrect selections) A minimum spanning tree can only be built for an undirected graph Kruskal's algorithm ends when either the vertex-sets length is less than or equal one OR no more edges are left in the edge-list Kruskal's algorithm works on undirected graphs Kruskal's algorithm
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2. If a program has a field where values from 1 to 100 should be accepted. Determine the appropriate input values using BVA to test this program. 2. If a program has a field where values from 1 to 100 should be accepted. Determine the appropriate input values using BVA to test this program
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What are the risks and benefits of censorship? Who should make decisions about censorship and what factors should they consider?

( Uses Java ) Background In the last activity, you created a Monty Hall Simulator that would ask the user for a door. The Monty Hall Problem states that a contestant would increase their odds of winning if they actually switched doors. In fact, their odds of winning go from 3 3 % for not switching to 6 6 % if you switch. The math of this is much
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Will the file / etc / uwe be modified? Please explain your observation as to why or why not the file is able to be modified. $ sudo touch /etc/uwe $ sudo chmod 644 /etc/uwe Question: Will the file /etc/uwe be modified? Please explain your observation as to why or why not the file is able to be modified #include include tinclude #include void
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IN C++ Problem Statement: we have an array, and we want to find a number inside it by using the following: o Linear Search to find the number inside the Array. o Binary Search to find the number inside the Array. Solution: Create a program with the name "LinearSearch" to find a number inside the Array. Create a program with the name "BinarySearch"
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Create a PRL(Priority Requirements List) for a fitness mobile app.I need excel sheet in a full template.

This program is in C++ This is the sample output: Length: 20 ft Width: 3.78 in Depth: 12 in Material: steel Name: Length: 40 ft Width: 4.41 in Depth: 14 in Material: Steel Name: Kevin In this assignment, you have to create a class and one object named beam. Beam has multiple properties such as length, width depth, and material. Width is a function
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Complete the following tasks in Java within the lab time using NetBeans. Create a class called Student and has 5 instance variables 1. ID as a String 2. Name as a String 3. Age as a Integer 4. GPA as a Double 5. Time Table as a two dimensional Array of type string , that consist of name of subjects and credit hours, eg: [{OOP, 4}, {English, 3).
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write a programm in C language and a short explain on how the code works Problem 5- Shifting elements Write a program that reads as input several natural numbers from the user, until the first zero is entered. Then the numbers are printed shifting the even elements towards the left and odd elements towards the right without changing the order of
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Execute the following code and identify the errors in the program. Debug the program and provide the correct version of the code. Note: There are two errors in the snippet below. #include
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This should be done using JavaFX. Please keep the program as simple as possible. No other requirements are needed other than the ones listed. Estimate the amount of time a person has slept in their life (roughly). Write a Java application that will input a person's name, age, and a typical number of hours he/she sleeps per night. Valid input could
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I need help with this Java problem, thank you! TransactionType enum: public enum TransactionType { WITHDRAWAL, DEPOSIT } Introduction In this assignment you will practice Using Optional Using Predicate Using Lists Using Lambdas, Anonymous classes, and Inner classes Problem Description In this homework, you will create many useful classes for our
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Code in python please [10 points] Problem 1 What is the recurrence equation that describes the running time of the following recursive function? T(n) = a Tn/b) +n^k. What are the values of a, b, and k? def f(a, n): # First call: f(a, len(a)) if ne: f(a, n // 2) f(a, n // 2) for i in range(len(a)): for j in range(len(a)): print(a[0]) [] def
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Anonymous pipes in Linux do not use buffering ( " zero - capacity" ) .

In graph databases, what does an edge represent? Group of answer choices A relationship between two vertices. A unique identifier for a vertex. A collection of properties for a vertex. The primary key of a database table.

(O. The following figure shows the graphical solution of the next LP problem: Max Z = 9 x1 + 3x2 st 2x1 + x2 0,X2 20 (0, 1) (0.667, 2.667) (2.0) (1.0) 1 The dual price of resource (A) is negative less than the dual price of resource (B) more than the dual price of resource (B) the same the dual price of resource (B) (O. The following figure shows
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PLEASE READ THE QUEstion PROPERLY AND THEN ANSWER //Type and run the code to get the values of a, b and process id. Briefly write your interpretation (in a text file) on working of the code to explain how your code arrive at the values you printed out. Note: run your program multiple times and see whether there are any changes in the order of
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The locate utility traverses the directory hierarchy to search for files in real time. True False

Q6 Write a lambda function that takes three parameters and multiplies them together. Assign the lambda function expression to mult3 YOUR COOR MERE raise Not implementederror() In 1 Printing cell mult(10, 12, ) (6 In 11 Testing call assert mult3/10, 12, 1000 assert mult3(10, -12, 9) -1080
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Write a Java program that generates an isosceles triangle made of asterisks. The program should prompt the user to specify the size of the triangle. In this exercise, we will measure length using asterisks.

PROJECT QUESTION: How could you make a larger, or more complex interface for your interstellar adventures with LEDs and switches? int switchState = 0; void setup() { pinMode (3, OUTPUT); pinMode(4, OUTPUT); pinMode (5, OUTPUT); pinMode (2, OUTPUT); } void loop() { switchState = digitalRead (2); if (switchState LOW){ // 'if' the button is NOT
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For the MIPS single cycle Datapath, complete the following Control Table with entries 0, 1, or D for Don't care. Be very careful when using a Don't care control signal to avoid unintended consequences. The instructions appear in the column headings and the control variables are in the rows of the table. Assume that the BEQ instruction is a branch
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Write a program that reads and writes from binary or text files. Example Output: --------------------Configuration: -------------------- Enter the file name: kenb Choose binary or text file(b/t): b Choose read or write(r/w): w Enter a line of information to write to the file: lasdklj Would you like to enter another line? Y/N only n Continue?

please show all work 4. If two integers are each divisible by some integer n, then their sum is divisible by n
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Do this in YASM and utilize opcodes lik shift, conditional jumps, and cmp. Beginner assembly 1. Write an assembly program to compute Fibonacci numbers storing all the computed Fibonacc numbers in a quad-word array in memory. Fibonacci numbers are defined by: f(n)=n=0n=1n>101f(n1)+f(n2) - What is the largest i for you which you can compute fib(i)
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Question 1.2: Lacie Shoemaker, an aspired hacker who works at Reebox, uses Filezilla, a Windows program used to transfer files from one system to another, to send her files to her dear friend Nicholas. She successfully sends the file cage.dat to her friend. What layer is responsible for establishing the connection when sending the file to Nicholas
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4.8 (Stratified sampling) Let D be a training set with only 10 examples, whose labels are 1, 1, 2,2,2, 2,2, 2, 2,2, respectively. This dataset is both small in size and imbalanced. We need cross-validation during evaluation, and 2-fold CV seems a good choice. (a) Write a program to randomly split this dataset into two subsets, with five examples
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Valu - Com Electronics manufactures five different models of telecommunications interface cards for PCs and laptops. As summarized in the following table, each of these devices requires differing amounts of printed circuit board, resistors, memory chips, and assembly.
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Select every true statement below about the functions f,g:NR0 defined as follows: f(n)=n3n2+ng(n)=n3/165 Note: a good exercise is to try proving/disproving these statements! f is dominated by g up to a constant factor g is dominated by f up to a constant factor gO(f) g is eventually dominated by f fO(g) f is eventually dominated by g
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I need help on this python assignments. for in case they're the same paper broken into groups. IT-140-X3205 Introduction to Scripting 21E... 0 D > Module Six Milestone Guidelines and Rubric Overview As you are preparing for your final text game project submission, the use of dictionaries, decision branching, and loops will be an important part of
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Simplify the function using Boolean algebra and K-map. FEA'B'C' + A'B'C + AB'C, F(A, B, C) = {(0, 1, 5) F = A' (B C + B C') + A (B C +B C'), F(A, B, C) = {(2, 3, 6, 7)
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Directions-Please pick a task that you perform on a regular basis that has to do with numbers or calculations and create an algorithm. Please don't use the examples in the link. You are to create your own. Be sure to write each step and be as detailed as possible. Example Algorithm Ideas: Paying a bill Calculating your GPA Calculating your average

Which of the following is true in case of breadth first search, assuming that the optimal path is the one at smallest depth from the start node? It can only find the optimal goal node only in some cases It is always guaranteed to find the optimal goal node It is efficient in terms of memory usage It cannot find the optimal goal node if there is
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plz change to code python SLLStack: Implementing push (x) (4/4) push (x) u Node (x)O(1) u.next head o( ) head uO(1) if n=0 then 0(1) tail uO(1) nn+1(1) return Module 3 SLLStack pop() pseudo code: (edited) SLLStack: Implementing pop ( ) (4/4) pop()& dato in the head O(1) if n=0 then return nil o(1)x head.x \#temp voviable that stores volue thed
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Where i is either the 0 . 7 probability for heads or 0 . 3 for tails. When plugged in , - $ ( 0 . 7 * - 0 . 5 1 4 6 + 0 . 3 * - 1 . 7 3 7 ) $ , we receive 0 . 8 8 - which will always be less than 1 bit since there will always be disorder in this given case due to the bent coin. ( Both heads and tails are not equal ) .

3. Why are Protocols important for Networking? Name 4 Protocols and their uses? 4. What are the TCP/IP encapsulation process steps on a sending host? 5. What are TCP flags? Explain All the TCP Flags

i am working on constructors in java and I can't seem to make it all work Run Debug Profile Team Tools Window Help config> 237.8/353.OMB petVetStudent.java x petvetConstructor.java Source Hstory 7 8 package com.java24hours: 9 10 ** 11 12 Bauthor chave 13 14 15 public class petvetstodent 16 17 18 0 public static void main(String[] args) { 19
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( 7 ) ( 2 pts ) In the routes - aggregation example below, it is said that using the maximum sequencing matching rule, router A can still perform routes aggregation by combining the three networks into one and report 2 0 0 . 2 3 . 0 0 0 1 0 0 0 0 . 0 / 2 2 to router B . D will report 2 0 0 . 2 3 . 0 0 0 1 0 0 1 1 . 0 / 2 4 to B . Thus there should
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1.3 Manually encode negative zero (-0) to an IEEE 754 format (show the result in hexadecimal): N3 -0 31 30 23 22 0
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A network that interconnects users with computer resources in a large city and its surrounding area is called: Group of answer choices WAN LAN MAN a . VLAN

Consider the following incomplete program. name = "guido van rossum" _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ print ( name )

Q7 - Classes II: (2.5 points) the next cell define a class that meets the following specifications: - has one class attribute: a string stores 'Stores attendence records for a course on a given date' - has the following methods - has two arguments passed to the initializer in this exact order; sets them as instance attributes - course : a string -
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What's the worst case runtime of the following function? Please remember to define n, provide a tight upper bound, and justify your answer in answers.txt. public static void mystery1(int z) { System.out.println(z); if (Z >= 10) { mysteryl(z/10); System.out.println(z)
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Python please Write the pseudo code using modules for the following questions 1.) write pseudo code for a program that outputs every number from 1 through 20 along with their values doubled and tripled 2.) write pseudo code for a program that outputs every number in reverse order from 25 down to 0
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Question 1 7 There is always a function that allows you to obtain the original input to a hash function using only the output of the hash function. 2 pts True False

Question 3 a) What is the Big-O (O(n)) and Big-Omega (O(n)) time complexity for algorithm MyAlgorithm below in terms of n? Show all necessary steps. b) Trace (hand-run) MyAlgorithm for an array A =(4,11,5,3,2). What is the resulting A? c) What does MyAlgorithm do? What can be asserted about its result given any arbitrary array A of n integers? d)
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Your manager recently mentioned to you that since data flow diagrams and systems flowcharts provide redundant pictures of an information system so we dont need both. As a result, we can eliminate one of them to save time and deliver our system ahead of timer. Do you agree with your manager? Please respond to your manager with your comment as a

This problem requires you to add two positive only IEEE floating point numbers together by emulating the floating point hardware in software. In C language please. There is start up code that was provided and has to be built off of! /*****************************************************************/ /* Assign 2 template */
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Question 4 (2 points) Registers are used to interact with hardware peripherals found in a microcontroller. There are three types of registers: control (or configuration), status, and data. Describe in a short sentence the role of the status register
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Arduino homework for sample I need a sample to understand the homework. You don't have to do everything. The help I need is the led blinking part. I already choose some setup words to make the code simple. Here are pictures of the structure. const byte ledRN = 11; const byte ledYN = 12; const byte ledGN = 13; const byte ledRW = 5; const byte ledYW
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Q3 - Debugging \& Code Style (2.5 points) In the cell below, there is a function that is not operating as anticipated and that has poor code style. determine_letter_grade ( ) is supposed to take a student's points received ( student_points ) on an assignment as well as the possible points the student could have earned ( possible_points) and return
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please solve it as soon as possible Problem #4 Why is firewall needed
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Create an app that calculates bowling scores. This will be done in Xcode using swift. These are the specific requirements for the Bowling Scores app: Allow for up to three bowling scores. Calculate series(sum), average and high game as labels on the right, using integer arithmetic only. Create a Calculate button between the 3 top fields and the

Code in c++, Please separate them into pointType.h, pointType.cpp, lineType.h, lineType.cpp, and main.cpp files. Also please show screenshotes of the output 1. Define a class pointType to implement the properties of a point in a 2D space. The class must contain functions to individually set and retrieve the x and y coordinates which are private
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x Canvas 4 X COB -Windows: controlta (mark), control+c (copy), control+v(paste) -MAC:cmdta (mark), cmd+c (copy).cmdtv (paste) Question 1 8 pts (8 marks) Write a C++ program that takes two positive integers from an interactive user, call them "num" and "denom", treats them as the numerator and denominator of a fraction, and reduces the fraction by
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Which of the following Python statements creates a sequence of numbers that are multiples of 4 and between 1 and 8 0 inclusive? range ( 4 , 8 0 ) range ( 8 0 , 4 ) range ( 4 , 8 0 , 4 ) range ( 4 , 8 1 ) range ( 8 1 , 4 ) range ( 4 , 8 1 , 4 ) None of the range function calls provided creates the desired sequence.
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Which of the following commands can be used to install sandboxed applications? ( Choose all that apply. ) apt appimage snap flatpak
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