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Databases Questions and Answers February 04, 2021

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(Assembly language) Write a program that receives 3 integers from the user (not as parameters/arguments) and print the largest number. If two or more numbers are equally the largest, it indicates this.

How many records are in the predefined data set named "rock" Question 2 Answer a . 2 0 b . 5 0 c . 4 8 d . 3 1

Consider the following schema: Suppliers ( sid: integer, sname: string, address: string Parts ( pid: integer, pname: string, color: string ) Catalog ( sid: integer, pid: integer, cost: real ) The Catalog relation lists the prices charged for Parts by Suppliers. The primary keys are underlined. In Catalog, sid is a foreign key referencing sid in

The statement System.out.printf ( " % 3 . 1 e " , 1 2 3 4 . 5 6 ) outputs _ _ _ _ _ _ _ _ . Group of answer choices 0 . 1 e + 0 4 0 . 1 2 3 4 5 6 e + 0 4 0 . 1 2 3 e + 0 4 1 . 2 e + 0 3 1 . 2 3 + 0 3

Vertex is (4, 500) and hits the ground in 7seconds

How and why did John Brown's raid on Harper's Ferry move the country closer to Civil War?

When designing modules, you should strive to achieve: low coupling and low cohesion high coupling and low cohesion O low coupling and high cohesion O high coupling and high cohesion Suppose a user clicks the "Save" menu option to save the current file, but no indication is given as to whether or not the save was successful. Which user interface
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PLEASE ANSWER THIS ASAP!! Thank you. 9. Use a truth table to determine whether or not (p^9) ^ (qr) + ( pr) is a tautology. Show the truth table. Write a sentence to explain your results. 10. Use a two-column proof and the logic laws to show that: (-d Ve) (-d V-e) - f = dvs
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Why is data validation important? Pick one of the data validation tips: How does this tip validate the input data? When and why would you use this tip?

When designing an ERD that allows a SCHOOL to have multiple DEPARTMENTs but a DEPARTMENT is unique to the SCHOOL its associated with, which of the following is true about the SCHOOL?

Galaxy is an open-source platform for analysis of Next Generation Sequencing (NGS) data. Navigate to the Galaxy website and https://usegalaxy.org/- Briefly summarize the of the following functions in Galaxy. Be sure to explain how these functions allow for the analysis of NGS data. Bowtie FASTOC TopHat Cuffdiff/Cufflinks/Cuffmerge/Cummerbund
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A recursive method was implemented to handle the operation x n . Each recursive call breaks down the problem into a smaller size given the math property: x n = (X n/2 ) 2 The algorithm for this recursive method has the following recurrence relation: t(n) = 1 + t(n/2) Prove through induction that this algorithm has O(log(n)).

Normal No Spacing Heiding + #include using namespace std; int main() { int r, c, ht = 2, wd = 2; for (r = 1; r
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If a client sends a shutdown command to the server, it will terminate all connected clients and shut down the server. However, only the root user has the authority to execute a server shutdown. If a non - root user attempts to send a shutdown command, the server should refuse it and send an error message accordingly.

A group of monkeys have N bananas in day 1. In the next each day, these monkeys eat half the number of current bananas plus one more banana. When the number of the banana n is odd, its half is counted as the lower bound. For example, when 21, half of n should be 10, and 10+1=11 bananas will be eaten on this day. - Write a program to compute the
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Amortizing Software Development Costs During the year, the E - Software Company capitalized computer development software costs in the amount of

You want to define a function that performs a status check. Which of the following is a valid header for the function definition? 1 point def status _ check def status _ check ( ) def status _ check: def status _ check ( ) :

When displaying a web page, client initiate connection with server by FTP SMTP OB Oc TCP D HTTP
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Java programming language please !!!! You can assume that all city names will begin with an uppercase letter. Cities should be printed if they begin with any letter between B and T (including B and T). Print the valid cities in the order they are entered. Sample Output: Please enter a String of 10 cities separated by commas. [Atlanta,Miami,New

2-(5 pts) Given the following grammar S -> AB A -> XAB A -> YAB A -> B -> Z a) Determine the set of FIRST and FOLLOW for the grammar above. b) Draw the parsing table. Is the grammar LL(1)? Why? c) Show the stack and the input string when the compiler is parsing: xyxzzzz$
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4. (3 points) Write a MATLAB program (a2q4.m) to convert temperature in Fahrenheit to Celsius. The formula is Te = 5 (Tp 32) where Te is temperature in degrees Fahrenheit (F) and Tc is degrees Celsius (C). Your program should do the follow: Use MATLAB's input command to prompt the user to enter a value in degrees Fahrenheit. The prompt is "Enter a
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Part 1 Create a java class BMICalculator that has a default constructors.Create private data members that are floating - point numbers to represent weight and height.Create a private data member that is a collection of strings representing the BMI report strings such as Seriously Underweight for example.Create 2 separate methods on the

1. One of the term that can described subject guides is 2. Part of an e-mail message that includes the subject, address, and attachments is called (1 pt)
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I need help with the following multiple-choice , thank you in advance! Problem 6: The matrices [2 2 1 [5 14 13 A = 1 3 1 and B = 0 1 0 1 2 2 0 0 1 are similar because ANS: (a) they have the same value of trace (b) they have the same eigenvalues (c) there is a nonsingular matrix P which satisfies B = P-1AP (d) all of the above dt2 dt Problem 7:
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Question 1 4 ( 3 points ) AES uses a - - - - - Bit block size and a key size of - - - - bits. 6 4 ; 1 2 8 or 1 9 2 2 5 6 ; 1 2 8 , 1 9 2 , or 2 5 6 1 2 8 ; 1 2 8 or 2 5 6 1 2 8 ; 1 2 8 , 1 9 2 , or 2 5 6
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Complete the monetary change program. Use the fewest coins (i.e., using maximum larger coins first). Please indicate your changes in bold . #include using namespace std; // FIXME: Add parameters for dimes, nickels, and pennies. void ComputeChange(int totCents, int& numQuarters ) { cout < < "FIXME: Finish writing ComputeChange" < < endl;

What is the advantage of natural language processing? A . Makes technologies easier to use with verbal commands C . Makes technologies easier to use with visual controls B . Makes technologies easier to use with written orders D . It makes technologies easier to use with telepathic commands
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how do i do this operation where the binary numbers are in 2's complements and please help i would like to know if valid and if theres overflow. thank u so much in advance! 01101 - 10100
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The expression 16^(-(3)/(4)) is equivalent to the expression

Sample Output: Enter first number: 5 Enter second number: 2 Enter operation ( + , - , * * * , , ? ? ? ) : ^ The result is: 2 5 Continue with new operation ( yes / no ) ? yes Enter first number: 9 . 2 Enter second number: 0 Enter operation ( + , - , * * * , , ? ? ? ) : / Error: Division by zero is not allowed. Continue with new operation ( yes / no
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[5 points] 5. Consider the following graph: e6 ei V2 e2 e5 e3 e4 Ve Vs (a) Define the graph formally by specifying i. its vertex set: ii. its edge set: iii. a table giving the edge-endpoint function for this graph
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Amazon Relational Database Service ( RDS ) , Amazon Redshift, and Amazon DynamoDB. Describe at least 1 scenario for each of the 3 services in which they can help improve performance and reliability of your AWS system.

After a function finishes executing, control returns to the place the function was called. True FalseCheck for Doubles Write code that prints 'Doubles! ' if the values in the variables die 1 and die 2 are the same. Otherwise, print the sum of the two dice values. Assume that both variables have already been set.
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t the first one is readable, but I took another image anyway :) Multiple Attempts Not allowed. This test can only be Force Completion This test can be saved and resumed at any point until time has expired. The timer will Your answers are saved automatically Remaining Time: 44 minutes, 33 seconds. Question Completion Status: QUESTION 1 Translate
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5) Which command assigns the vector x values 27 through 100x that are spaced out by the value 2? 5b) Using Matlab, how many values are made when x is assigned the vector 2 through 100m that are spaced out by the value 2n? what are these values multiples of? 6) Provide the command that plots the function e-cos(100) over the domain (0,4) with a
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My program won't run , can you help me fix the code 5 6 7 8 1 #include 2 #include 3 using namespace std; 4 class student private: string name; int SRCODE; int total; 9 float percent; 10 public: 11 student(string, int, int, float); 12 void getDetails(); 13 void displayDetails() const; 14 15 16 student::student(string n, int code, int totals, float
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Design an algorithm that determines the length of an array A. The only thing the algorithm can do to the array is attempt to obtain the value that is stored at a non-negative index i. Either the attempt will succeed, or it will result in an exception. Your algorithm must be O(log n), where n is the (unknown) length of A. a)There will be two

Follow up question on this code below: import javax.swing.JOptionPane; public class Quiz { public static void main(String[] args) { // declare 3 ques with ans key String question1 = "What is 3 to the power of 2? (enter A,B, C or D) "; question1 += "A. 27 "; question1 += "B. 9 "; question1 += "C. 12 "; question1 += "D. none of the above ";

Given the regular expressions: r = (a|bc)*, r2 = (ab)*|(bc)*|(ca)*, and r3 = a|bc)* (a) (15 points) Give an English description of the language defined by each of the three regular expressions r1, r2 and r3 (b) (15 points) Write the language defined by each of the regular expressions ri, r2 and r3 in set notation
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Upon encountering a router with the following routing table: Routing table Prefix Match Port 1 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 1 0 0 0 1 1 1 1 0 1 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 1 0 0 0 1 1 1 1 0 0 0 1 1 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 1 0 0 0 1 1 1 1 0 1 2 1 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 1 0 0 0 1 1 1 0 0 0 0 1 3 Default 4 A datagram with the

The primary role of a server is to: Only store data. Serve data / resources to other computers, known as clients. Only accept data. None of the options apply Browse the internet. Guidelines Webcam
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For Python Program 4, Employee Class Write a class named Employee that holds the following data about an employee in attrib- utes: name, ID number, department, and job title. Once you have written the class, write a program that creates three Employee objects to hold the following data: ID Number 47899 39119 81774 DepartmentJob Title Accounting IT
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what is one way function with formula

For the below activity diagram explain the: 1. Decision and merge processes 2. Fork and join processes Employee ES SISSE Print the documents Fill travel form incorrect Submit correct for Prepare for travel 2 Employee Secretary TRE REGISTEREURETTELUTONGSTERED URTEGISTRE NREGISTERET NREGISTERED UN CISTERED UNREGISTRE TERELLINREGISTERED UNDEGISTERED
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Consider grammar G1. Give an equivalent CFG grammar with no unit productions, lambda productions, or useless productions. You should show the steps that you used to reach your solution. G1: S A | B | C A aa | B B bb | C C cc | A chatGPT is incorrect, it does not do this type of problem well. I can tell if you're using it.

Implement liters. py ( 1 point ) This program will first ask the user to enter an integer representing the number of liters. It should then convert that to the number of cubic centimeters and print it out. There are 1 0 0 0 cubic centimeters per liter. Running a correct implementation of this program would look like: Enter a number: 3 1 4 3 1 4
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Please respond with the reason You have the following relation (std_info) and the following query: std_id std_name std_dpt std_avg 1 Ali info 60 2 Sara net 77 3 Ahmed sys 90 The query (Select std_name from std_info where std_dpt='sys':) is type incorrect. Select one: True False
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need to know the correct command in excel. thank you! Using the arrival and departure data of 20 cars collected at the parking ramp during 22 minutes below, 1) (15 pts pts) Develop a table of showing arrival time, departure time, service time, queuing time and a total time spent in the system 2) (20 pts) Plot a probability density curve for
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Given the following segment of C code, c = (a + b) * a; e = (b + c) * d; f = c + e; for each of the following machine architectures - a (0,2)-GPR architecture - a (0,3)-GPR architecture - a (1,2)-GPR architecture - a (3,3)-GPR architecture compile it into the most code-size-ecient (in terms of number of instructions) as- sembly code, assuming load

Given the following information, list the links that form the spanning tree for the network diagram below. List the link numbers in numerical order in the below box:
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[2 pts] Consider this function, given in Python: def f(x): if x > 100: return x-10 else: return f(f(x+11)) The function makes two recursive calls, of which only one is tail-recursive. Rewrite the Python code for f to remove the tail-recursive call, by replacing it with an appropriate while loop. Do not change the other recursive call
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14. I Prog 1: Input & Output (1) Input one integer and output the input, the squared, and cubed. (2 pts) Enter Integer: You entered: 4 4 squared is 16 4 cubed is 64 (2) Input a real number and converter the real number to integer, the output boht numbers (2 pts) Enter real number: 5.89 You entered: 5.89 whole number of 5.89 is 5 (3) Input and
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For the following, compute the weakest precondition for the sequence of statements: (Statement 1) b = 2b + 1; (Statement 2) b = b-3{b < 0}

All the possible numbers between 100 and 200. For example: 112.135576767545, 191.1205639928, 150.23948093, etc. This is an example of a

this is java 1 10 points Draw what happens to a singly-lined LinkedList with 4 nodes after the following code is executed. You may draw it step by step. head = head.next; tail.next = head; current = head; for(int i = 0; i
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12. Land Calculation One acre of land is equivalent to 43,560 square feet. Write a program that calculates the number of acres in a tract of land with 391,876 square feet
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1. Discuss the Software Ownership Rights Commercial software Shareware Freeware Public domain software Open source software 2. Based on the provided software ownership right above, which is the best among Software Ownership? Explain your answer. 3. Provide comparative analysis of the following terms: Patent Trademark Copyright

Microprocessor Based System I Q1 Write an assembly language program that will add all even numbers from 0 to 40 and store the result in D1
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The formula for counter mode encryption is Ci = Pi EQV + i , K ) . Suppose instead we use the formula Ci = Pi E ( K , W + i ) . Is this secure ? If so , why? If not, why not?

c++ Write a simulation program for a small airport that has only one runway. There will be a queue of planes waiting to land and a queue of planes waiting to take ofi. However, only one plane can use the runway at a i.me. So there can be only one takeoff or one landing in progress at any one time. Assume that all takeoffs take the same amount of
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JAVA Question: Assume you are a software developer in a company. You receive the following problem statement and are tasked to design and implement the data model for it. "Our company manages deliveries, such as letters and packages. Letters contain just text. Packages contain one or multiple items. The items could be anything that can be shipped.

1.1 Creating a Half-Adder (5 marks) 1. Create a half-adder component: a. Start a new Logisim project and save it as halfadd.circ in your circuits directory. b. Open the Combinational Analysis tool (under the Window menu.) c. Use the Inputs tab to create two inputs labelled a and b. d. Use the Outputs tab to create two outputs labelled sum and

Select all which are NOT Principles of Design? Color Balance Texture Shape
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why is myswitch swith not operating correctly in my while loop in c program

Match the terms in column A to the terms in column B: There is one extra phrase in Column B that does not match with any term in Column A . (5 marks) Column A Column B 1) Entity Relationship Diagram 1) It is created to know the functional dependencies in a database. 2) ID-dependent entity 2) The SQL keyword that is used to designate the column(s)

Explain what is meant by "stepwise refinement". Describe this approach to software development. Be sure to discuss incremental development and testing in your response. Must be at least 85 words but can be more if necessary and as needed. (Java is the language)

Write a C++ code the does the following: Implement the merge sort, the quick sort, bubble sort, and the insertion sort. For simplicity, you just need to consider sorting integers within a fixed size array. Study the effect of the initial array size, the initial ordering of the numbers within the array on the number of comparisons and the exchanges

Reading a web page-data from Yahoo Finance: Yahoo Finance provides pages containing stock prices and other data for companies and their stocks. The form of the URL is: https:/lfinance.yahoo.com/quote/ where is a particular stock symbol. You may select a symbol of your interest. a Using a web browser, access a particular stock's page from Yahoo
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what is the code in assembly
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Answer the 2nd question Show all the details of your work. And carefully explain the way you have solved problems. 1) (60%) Assume that the base address of an initialized array, 'arr', with 'n' integers, is stored in Svo. Where, 'n' is stored in $v1. The compiler allocates $50, $s1, and '$s2' as the registers for holding the variables '1', '1',
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1 2 . In DNS , a . _ _ _ The zone of authoritative servers consists of the whole DNS tree. b . _ _ _ Top level domain servers provide addresses for authoritative DNS servers. c . _ _ _ Root servers are the same as authoritative servers. d . _ _ _ All of the above.

Please give detailed steps. Thank you! 4. Solving the following recurrences (4 points) Use the Substitution Method for solving the following recurrences. 1. Show that the solution of T(n) = T(n 1) +n is O(n2). 2. Show that the solution of T(n) = T([]+1) is O(Ign). Note: [] is ceiling. Ign Is log base 2
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Identify whether a specific activity updates a transaction file or master file
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Explain how first fit, next fit, best fit, and worse fit work. Give reasons why each could perform well and give reasons why each could perform poorly.
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Implement the above UML diagram in Java. As a instance variable, there is a 2d array called "array2d". In the constructor(2 points), get the row and column number, initialize the array accordingly. Using the fillArray method(2 points), add random elements to this 2d array (use 0-10 range). The getColumn method(3 points), returns a 1d array back
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In public key cryptography, which of the following is the PRIMARY method of encrypting data? Symmetric key encryption Digital signature Hash function Asymmetric key encryption
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Identify the CSS 3 3 D transformation function that shifts an object offX pixels horizonta vertically, and off pixels along the Z - axis. a . translate 3 d ( offX , offY, off Z ) b . scale 3 d ( offX , offY, offZ ) C . perspective ( p ) d . rotate , offY, offZ, angle )
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Python Programing 4. Prime Factors (10 points): Given a number n, we can decompose it into a set of prime factors. For example, we can write 24 as 2 x 2 x 2 x 3. Please accept a positive integer as input, and print its set of prime factors. A sample input and output is shown below. Please name your program prime-factors.py. Sample Input and
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Question 5 2 pts What is output by the following for loop: for value in range(10,30,5): print(value)
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In the agile requirements specification, the concept of an epic denotes a cohesive chunk of functionality that addresses a particular need.

QUESTION 3 BONUS Write a MIPS Assembly program that takes in two numbers X and Y from the User console 1. It shifts the number X to the left logical by 4 bits. 2. It then does the following arithmetic operation with the numbers, result = X+Y 3. It then prints the result to the Console. For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac). BI VS
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what is network address ip address for the following local area networks using the address 2 2 5 . 2 0 3 . 4 8 . 0 / 2 1 ?

Q 1 If a PDA recognizes a language L 1 Point then there is also a PDA that recognizes L , and accepts strings only when its stack is empty. true false
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To answer this question, please refer to the CRAN Packages web page referred to in the course material. Which of these packages are used for Optical Character Recognition? Question 5 Answer a . abbyyR b . AATtools c . abc d . abind

Q 3 If a grammar is in Greibach Normal Form, then it is also in Chomsky Normal Form 1 Point true false
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Is Windows or Linux file operating system more challenging to analyze

Challenge ISBN: The book industry uses ISBNs (international Standard Book Numbers) to identify books. In 2007, the industry switched from 10-digit ISBNs to 13-digit ISBNs. The last digit in the ISBN-10 and the ISBN-13 is the check digit. But the algorithms for calculating the check digit are different for ISBN-10 and ISBN-13. In ISBN-13, the check
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&& , | | and ! are _ _ _ _ _ _ _ _ _ Question 3 options: logical operators conditional operators comparison operators ternary operators

Find a deterministic FSM that recognizes the same language as that recognized by the nondeterministic FSM of Fig. 3.8
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I do not understand what the 6 th line of code does here. I understand the output but not why it gives that output. What is the " f: " for? Python is the language I am working in . def alphabetical _ keys ( dictionary ) : keys _ as _ list = list ( dictionary . keys ( ) ) keys _ as _ list.sort ( ) return _ str = " " for name in keys _ as _ list:

How would I go about this in the Python language? 1 Simulating a Hardware Memory Cache You'll write a program to simulate the behavior of a hardware memory cache. You can use the language of your choice. You may work either by yourself or with a partner. If you're working with a partner, the due date is Monday, Mar. 1st at 11:59 pm; if you're
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Use IF, IF Else, Nested IF, IF Else IF and SWITCH Statements Write a Java program to check if the number entered by the user is negative, positive or zero. Write a Java program to check if the character entered by the user is an alphabet or not. Write a Java program to check if the character entered by the user is an alphabet, digit or special
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A application Layout ( file: \ views \ layout . ejs ) defines the common look and feel of your website?

a database application provides functionality for: a . ) data management b . ) metadata management c . ) both a and b d . ) none of the above

Create a simple html web page (write html only) for the following specifications. a.A text A Simple Web Page as heading. b.An image showing in the middle of the page. c.A paragraph explaining the purpose of the page. d.FAST-NU as title of the page. e.A link which on clicking takes you to another page.

a . Consider the above grammar, and the CKY parsing table filled in for the sentence she eats a fish with a fork. Suppose you added the rules N a and N P N N to the grammar. These allow you to use " a " as a modifier, as in talking about the "a team" versus " b team". i . Suppose you are using CKY as a recognizer ( SLP Section 1 3 . 2 . 2 ) . What
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please answer................................. Hamming Encode (even) the following bit stream: 1100 0100 Please label each bit (parity/data and position). For reference I have included a table with the values from O to 15 in binary. 8 [11 1 0 0 0 19 1001 200 10 10 10 10 3 0 0 1 1 11 1 0 1 1 4 0 1 0 0 12 1 100 5 0 1 0 1 13 1 1 0 1 6 0 1 1 0 14 1 1
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The following section will be asking questions about the code in the following table. The Instruction Set is defined in the table on the last page of this assignment. The Address column represents the Memory Address. The Contents column represents the contents of the memory at the corresponding address. The Mnemonic column provides the

Part 2: BGP You have a single multi-homed BGP connection to 2 ISPs. You want to load balance traffic to a specific destination but you have no control over what the ISPs are doing with that route as it traverses the network. Assignment: 1. Nothing has been preconfigured for you. 2. Make the required physical connections as depicted in the diagram

Write report about the facial recognition using the nural networks

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