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Databases Questions and Answers June 02, 2018

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Which of the following statements on Python may be correct: (1). FIPython bring web interface to Python. (2). Jupyter Notebook interfaces with over 40 languages, such as R, Julia, and Scala, etc..

It is cheaper to write to DynamoDB than it is to read from DynamoDB

\%) Suppose that you have a computer with the following execution time for each stage. (a) (4\%) What is the clock period if your computer is implemented as a single-cycle processor, or a 5 -stage pipelined processor? (b) (4%) What is the throughput if your computer is implemented as a single-cycle processor, or a 5 -stage pipelined processor? (c)
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Very important! Draw a process model for the task painting the walls in a room. include the following tasks: choose color,buy paint,clean the walls,stir the paints,paint the wall.

* * Please answer in RAPTOR * * Input a list of employee names and salaries and store them in parallel arrays. End the input with a sentinel value. The salaries should be floating point numbers Salaries should be input in even thousands. For example, a salary of 3 6 , 5 1 0 should be input as 3 6 . 5 and a salary of 6 9 , 0 3 0 should be entered

JAVA :Write a program that displays a window with two text fields, a click button and a label. The program should allow your user to enter a number (entered as text) in each of the text fields, then click the button to add the two numbers; finally displaying the sum in your label.

If you do NOT include the first residues aligned in the subject and query, what is the identity of the first residue mismatch in the subject? What is the identity of the first mismatch in the query in this alignment? Color key for alignment scores 40-50 50-80 80-200 > 200 50 100 150 200 250 Dot Matrix View Descriptions Sequences producing
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Part 2: Unit testing activity In this part of the coursework, you are to develop a set of unit tests for one of the example programs you have seen in the course. The output of this part is some source code and a testing report. Instructions Select ONE of the unit test example programs you have seen in the course: snakestats, terriblefall or

Please I need help with Xcode debugging import UIKit class QuestionnaireViewController: UIViewController { override func viewDidLoad() { super.viewDidLoad() // Create a label for the first question let question1Label = UILabel() question1Label.text = "Question 1" question1Label.frame = CGRect(x: 20, y: 100, width: 200, height: 30)
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A certain CD - ROM disk can store approximately 6 . 0 \ times 1 0 2 megabytes of information, where 1 0 \ deg bytes = 1 megabyte. If an average word requires 9 . 0 bytes of storage, how many words can be stored on one disk?

What is the purpose of the find command? To display the path to the binary files, the manual pages, and the source code. To display the path to a command and determine whether a package is installed. To search an index file for specific parameters. To search for files in the file system based on name, file size, time created, and other options.
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PLEASE ANSWER ALL THE QUESTIONS THIS IS THE SECOND TIME I SEND Explain the pros and cons of computer-assisted coding Identify information formats Explain the differences between the two types of computer-assisted coding Describe the concepts of the Internet, intranet, and extranet as applied in health care This discussion forum will examine how

Code to determine the depth (level numbers) of the vertices in a binary tree. Add a member function getLevelNumber(int nodeid) in the Binary Search Tree class that in turn calls the getLevelNum( ) function on the BST node object corresponding to the 'nodeid' and returns the level number of node identified by its id. In the main function, first

A warehouse, similar to Ocados algorithm-controlled warehouse, has a despatch area and a vast storage area divided into zones. Requested items are brought to despatch from the storage area by an automatic picking system. An automated crate travels along tracks from despatch to the appropriate storage area zones, and back to despatch. Tracks are in
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A A allows a portion of the matched pattern to be extracted and used in a sed substitution.
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Show me the steps to solve Hash table valsTable uses double probing with the hash functions hash 1 ( key ) : key % 1 1 hash 2 ( key ) : 5 - key % 5 and a table size of 1 1 What is the specific sequence of buckets probed by HashSearch ( valsTable , 1 0 ) ?

The Brute Force Attempt Successful monitor sends an alert when it detects a successful login event that occurs immediately after a number of failed logins to the same account within a specific period of time. What event ( s ) or situation ( s ) might cause a false positive or false alarm? *

Write a Smalltalk script in the playground that computes and prints the average of all the even integers in an array. You may use any loop style you like. Assume nothing about the contents of the array; It might contain any mixture of types or objects. However, only those elements that are integers, and even, should contribute to the average.
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Q: 6 Assume that user A 1 is the owner of the Dept table ( ie . User A 1 has full control on table Dept. ) . Consider the following Grant statements: User A 1 issues: Grant Select, Delete, Update on dept. to A 2 with grant option User A 2 issues: Grant Select, Update on Dept. to A 3 User A 2 issues: Grant delete on Dept. to A 4 For each of the

A design is given with its RTL code, synthesis netlist, and layout ( vias for cell pins are ignored for simplicity ) as below. ( 2 pt ) There is an error of wire connection in the layout. Indicate where it is , e . g . simply mention the connection of u 0 a . out and u 0 ? and _ 0 . in _ 0 . ( 2 pt ) Describe how to automatically detect such
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write c program to calculate the term from your credit hour

04. Show that the following relation is incorrect. You must give the values of constants c and no as was done formally with other example. 2" + 10 n log n = 0(116)
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Given the double vector myValues with one element, the input integer newSize, and the input double startNum, resize myValues to newSize. Then, assign the new elements of myValues with startNum - 0 . 5 * i , where i is the index of each element in the vector. Ex: If the input is 3 1 3 . 5 , then the output is: 3 9 . 5 1 3 . 0 1 2 . 5 #include

write program in JAVA to read input text. There is a square 3x3 amtrix which passes +1 row through all rows of matrix. The value at the center in each 3x3 matrix is replaced with highest value. Result is then sent to txt file. Ex for input matrix 1 3 5 7 9 1 3 5 7 9 2 4 6 8 2 4 6 8 2 4 3 5 7 9 1 3 5 7 9 5 4 6 8 2 4 6 8 2 4 6 5 7 9 1 3 5 7 9 1 3 6

Hi, Could you help me to covert this python code to C++? This code is working in python now. I want to learn that how to write C++ code. The purpose of this Python code is lexical analysis. Thank you so much! Following is a simple test case following is Python code: from enum import Enum import string keyword = ['while', 'if', 'for', 'else',
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Describe the graph coloring problem, giving inputs and outputs
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Why did enigma machines use multiple rotors?

Exercise 1 (Exploratory): www.sectools.org offers a rich catalogue of network security tools, including their classification, ratings, links to the tool's website and reviews. Visit the website and pick one network security tool. Ensure that you select a tool that is used for ethical hacking and network administration Conduct an exploration of the
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Please each and every part of the question clearly. thanks 2. (14p) Dra an ER diagram that satisfies all of the requirements listed: 1) People working in the fashion industry can be designers or buyers 2) Designers sign contracts with brands, and a designer can have multiple 3)A brand can only have one designer at a time; a designer can also only
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What is the base logic operation for the addition operation?

Which of the following statements is true? A sinusoidal curve: a ) must intersect the x - axis. b ) can only have a period of 3 6 0 \ deg c ) always has a restricted range. d ) always has a restricted domain.
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What did the Layout tab in Print Properties help set?Group of answer choicesPaper QualityCopy CountOrientationAdvanced options

Question(Racket/Python) . There is a Python code, please implement the given Python function in Racket . Please use a function definition and not a basic definition . Additionally, note that the solution must be syntactically equivalent, not just semantically equivalent , that is, the body of solution in Racket should be syntactically equivalent

rocess of breaking down large networks to smaller networks / zone - it improves management of networkimproves traffic accross the networkprevents attacker from moving from one network to another

About Lagrange Interpolation: Please code in C or C++ Example Output: Lagrange interpolation MENU 1. Function A 2. Function B 3. Quit Enter your choice: 1 WHEN n=5 K Xk P TRUE VALUE ABSOLUTE ERROR 0 -1.0000000 1.4142140 1.414213562 4.38E-07 1 -0.9500000 1.3802810 1.379311422 9.70E-04 2 -0.9000000 1.3468090 1.345362405 1.45E-03 3 -0.8500000
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The last time I submitted this it was wrong! The file High Spenders.xlsx contains a list of customers and the amounts they spent during the past month. Write a sub that captures the existing lists in two arrays and then creates two new arrays of customer names and amounts spent for customers who spent at least $500. After these new arrays have

Analysis of Scores write a program that reads an unspecified umber of scores and determines how many scores are above or equal to the average and how many scores are below the average. For this exercise, assume that the maximum number of scores that can be entered is 50. Use a sentinel value of -1 to stop reading scores. INote: Neither the
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You are required to configure the devices following the instructions provided below Set up IPs for each interface as shown on the provided topology Configure the servers as the following 1 . Server 0 1 must work as web server that can be used to host a website. Assume we use it to host the university web site www . ptuk.edu 2 . Server 0 2 must

1. Discuss the construction of TCP and IP protocols Separately. 2. Explain the purpose of each field in the header. [* The originality of work is essential. Copy/paste from the internet will result in zero grades]

The purpose of software is to convert data into information. True or False True False
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Write the following program in JAVA: Write a class called NameMethods which contains the following instance variable and methods: Instance Variable: AvgLength- an integer preset to 0 Methods: ReadNames: Given no values from the main method (i.e. no parameters), create a String array called names, read 50 names from a file called "names1.txt" into

a multiple choice for C++, thanks Which of the following is true about lambdas in C++17? Pick ONE option A lambda defined in a member function of a class automatically captures the "this" pointer The function call operator of a lambda cannot be marked constexpr, but it can be marked mutable The type of two lambdas with the same capture group,
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Write a java program to convert a number from base-10 (decimal) to any radix of user choice (base 2-10 and 16). Don't use libraries. Make sure you test the program by converting it to any radix 2) Write a java program to get a number and number of bits from the user and convert the number into One's complement, two's complement and Excess -M

Please, take this code of secuential file series and turn it into FX in java programming (copy this code and put it in netbeans ) I just need to convert this code into javaFX // Java core packages import java.io.*; import java.awt.*; import java.awt.event.*; // Java extension packages import javax.swing.*; public class CreateSequentialFile extends

Hi can you help me with the following questions? This activity will get you familiar with performance measurement, instruction set architecture, and compiler. It should give you a general idea on how a compiler optimize software. In particular, you will learn how architect measure performance of a system. We will use the free c compiler from the
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1 2 . Open the Homeowners table in Datasheet View. Add a new field, to the end of the table ( Click to Add column ) . The field is a calculated field with the currency format. Use the expression [ Liability ] + [ PropertyDamage ] to calculate the field values. Assign the name TotalCoverage to the field. Save the changes to the table and close it .

Let E(k,x) be a secure block cipher. Consider the following tweakable block cipher: E' ((k1, k 2 ),t , x )=E(k1, x) XOR E(k 2,t),where XOR denotes the exclusive or operator Is this tweakable block cipher secure? Justify your answer briefly

[10\%] In a system with 3 page frames, what is the minimum number of page faults for a page replacement strategy for the following page reference string. Please explain your answer. 1,2,3,4,5,3,4,1,6,7,8,7,8,9,7,8,9,5,4,2
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Instructions: You must fill the C programming code in the following format below: #include #include #include "support.h" #include "phases.h" /* * Note to self: Remember to erase this file so my victims will have no * idea what is going on, and so they will all blow up in a * spectaculary fiendish explosion. -- Dr. Evil */ FILE *infile; int
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Defines a two dimensional array named arrdiagonal of size 44. 2. Prompts the user to enter from the keyboard data into the two-dimensional array arrdiagon Evaluate each integral by interpreting it in terms of areas, (a) 06f(x)dx Given that 0sin4(x)dx=83, what is 0sin4()d
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Directions: Answer fully each of the following questions below. This is an individual assignment. Submit a type-written document containing your answers. You may use your textbook (Chapters 1-3), the Internet, or any other inanimate source as a reference. 1. Provide 4 examples (2 positive/2 negative) of how software impacts our society. 2. What
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Do you know how i can solve the following python code? There are n nodes in a network, initially empty. Your task is to implement a class that allows adding edges to the network and checking if the nodes can be colored with two colors such that each edge connects two nodes of different colors. You can assume that there are at most 5 0 nodes and

Which of the following types of certificates is designed to protect against malware masquerading as legitimate software? A Code signing B Self - signed C Wildcard D Machine

what is one way to describe a cross - functional team

Q3.(25 pts) Consider the following string of ASCII cha Wireshark shows the reply sent from the server in response to an (i.e., this is the actual content of an HTTP Response message) are carriage return and line-feed characters (that is, the italized character string in the text below represents the single carriage-return character that was
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True or false The strip ( ) method returns a copy of the strung with all leading whitespace

Struggling with creating the two prolog path rules, path(x,y) and also path(x,y,z) Can some help me please I've looked on chegg already and the solutions don't seem to work. Thanks 1) Write all possible node and edge facts that describes the structure of this graph G as examples below: node(a), % a" is a node of this graph. edge(a,b). % There is
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This question is about firewalls and firewall rules. a) Explain the difference between a packet filtering firewall and bastion host and how the two can be used in combination. (6 marks) b) Explain TWO issues with the firewall configuration shown below. (4 marks) c) Explain how to fix both issues. You must provide both, the fixed ruleset (no html

// // Report the counterfeit coin on variable cfCoin. // If the counterfeit coin is c7 and the coin is heavier, your code should return cfCoin =7, // and cfCoin =-7 if this coin is lighter than all other coins. // // The only operations you are allowed to use are nested if-else-statements which use // - operators ,== // - sums of coin variables on
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For each of the following programs, determine whether or not they are valid Java pro- grams without typing them in. If they are valid, indicate what they output. If not, explain why (be precise) (a) public class Shadowl public static void main (String[] args) int i = 0; System.out.println(i); int j = 1; System.out.println (j); int i = j; System.
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Which of the following environment variables causes a specific library file to be loaded with every program? A) $PATH B) $LD_PRELOAD C) $LD_LIBRARY_PATH D) $SHELL

Submit a 2- to 3-page paper in which you: Identify an intercultural area Intercultural interaction with a person from a culture different from your own. Explain why you have selected this area. Describe your personal culture. Describe your prior knowledge of the culture you have selected to study and why you selected this culture. Explain what you

Eeny, Meeny, Miny, Moe Write a print statement that produces the following line of output: Eeny, Meeny, Miny, Moe Specify each word as a separate argument and use the sep optional argument to separate each word in the output by a comma followed by a space. 1 print ( ' Eeny ' , 'Meeny', 'Miny', 'Moe | ' ) Test Results: x You're not using multiple
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I would like to know what this assembly code is doing: move eax, 5 push ecx pop ecx add eaxm ebx swap eax, ebx swap ebx,ax call [eax] nop I believe what is doing is : first line it copies 5 to eax, then it pushes ecx and pop that register value, then it adds ebx to eax, and changes the value of ebx to eax and then do the opposite, finally it calls

Let = {a,b} Using pumping lemma to prove that L={ww | w *} is not a regular language
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A basic calculator might seems a straight forward application at first. But as you start implementing it you might come across some rather unexpected use cases that you might have not thought about previously that need to be solved.For part 1 of the project, you are asked to create a text based calculator to perform the same basic functions as a

java Create an integer method (returns int) that finds Fibonacci numbers. This method should accept one integer and return that Fibonacci number. if the argument is 9, then the method should return the 9th Fibonacci number

Question B (40%) Given: Sx?(cos x) dx = 2x(cos x)+(x 2)sin x Write a MATLAB/Octave script that calculates the following definite integral: (* *x(cos x) dx Make sure to write your name and student ID as comments at the beginning of the script file. (5%) Make sure to name the M-file with your student ID number preceded by the letter "B" (e.g. B
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Two transactions are not interleaved in a history if every operation of one transaction precedes every operation of the other. Give an example of a serializable history H that has all of the following properties: a) Transactions T1 and T2 are not interleaved in H b) T1 precedes T2 in H c) In any serial history conflict equivalent to H, T2 precedes

A 2 Dimensional array is given as int Numbers[2][4] = {2,4,5,3,1,6,8,10};. Using nested loops, write a C++ program that prints only all the even values and the total of all even values. The total of all even values needs to be added gradually in the same nested loops that prints all the even values. Output is given below in the description

Q 1 : Consider two computers, P 1 and P 2 , of the same instruction set ( ISA ) . We have a program of 7 . 5 1 0 9 instructions and we want to run this program on P 1 and P 2 . The P 1 computer is a 5 G H z machine with CPI of 0 . 8 . The P 2 computer is a 6 G H z machine with CPI of 1 . 2 . ( a ) What is the CPU time of P 1 computer to run this
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subject: Software validation and testing read and solve the qusetion? there are different "services" registered on the net (like travel service, hotel booking services, etc.). Consider the testing challenges of putting together a "bigger" service composed of these atomic services. - For example, consider putting together a comprehensive travel
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3. Design a positive edge triggered D Flip-Flop using one active low D-latch and one active high D- latch." (1st latch is active low; 2nd latch is active high)
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You are given the following class definition: class Ratio { private: int num, den; public: Ratio ( int n , int d ) ; explicit Ratio ( int n ) ; Ratio ( const Ratio& r ) ; void operator = ( Ratio& a ) ; friend ostream& operator < < ( ostream& ostr, Ratio a ) ; } Examine the following code. State after each line of the code whether a member function

In C + + , you declare a pointer variable by using the _ _ _ _ symbol. # @ * &

Can anyone tell me what I am doing wrong in this JavaScript syntax. Its tutorial 11 case problem 1, Online Bookworms from New Perspectives in HTML, CSS3, and JavaScript. I am going to post the HTML and the JS files. I am stuck on number 3 of the lightStars function. I cannot get the src attribute to change. Summary Online Bookworms |Daniel Palmer

Which of the following techniques can be used for optimizing backed-up data space? a Encryption and Deduplication b Deduplication only c Compression and Deduplication Authentication and Deduplication
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I want a detailed plan to learn android development

In order to read more than one value from the keyboard, more than one Scanner object is required. Is that true or false? In Java

Explain the cardinality / connectivity of the VEHICLE to INVOICE relationship and how it might support the business rules

**DO NOT COPY AND PASTE ANOTHER ANSWER FROM CHEGG** Minimizing the variance of system response time is an important goal, but it does not always prevent an occasional user from suffering indefinite postponement. If you were the system designer, what mechanism would you recommend for a disk scheduling policy to counteract this problem and still

What is a border case?

1. A manager has the option of using any one of the following machines for a job. The machines and their standard deviations are listed below. The Upper Specification Limit (USL) is 10.80mm and Lower Specification Limit (LSL) is 10.10mm for all these machines. i) Calculate the Process Capability ( CP) for each machine and decide which machine you
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Matlab Question: The test suite generates a random M x N matrix with a random number of rows and columns that is assigned to the variable A . The element values of the matrix are random double precision numbers that fall in the range from -10 to 10. The matrix has between 5 and 10 rows and between 5 and 10 columns. Assuming A is defined in the

What are the three primary pillars of Cloudlock security? ( Choose three. ) protecting enterprisesprotecting the cloudprotecting endpointsprotecting usersprotecting data

please explain this step by step, it is the first time taking this Exercise 4 In a machine with precision p, show that the rounding of a real number y to the nearest machine number y~ involves a relative error of at most 2p, that is yyy~2p
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Attached Files: x-data-for-trajectory.cpp (719 B) read-x-data-points-from-txt-file.cpp (726 B) 2d trajectory: x.txt generated from x-data-for-trajectory.cpp o Complete the remaining part of read-x-data-points-from-txt-file.cpp o read data points and print on screen using while loop o upload your code x-data-for-trajectory.cpp (719 B) #include
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3. Draw a finite automaton that accepts all the strings of odd length over = {a,b}. =
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hich of the following defence mechanisms should be implemented to prevent malformed users input from causing undesirable behaviour? a. Enforce proper firewall roles configurations b. Ensure that the application behaves appropriately when being directly targeted c. Monitor malicious activities d. Use proper sensitization methods

What is wrong with this code?
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Question One: Write an assembly language program that allows a user to enter any 5 numbers then display the sum of the entered 5 numbers. Enter: 5,4,9,8,7 Display: Sum of the Entered is: 33

Q 2 : Computer A ' s performance is 4 times better than the performance of computer B . Computer B runs a given application in 2 8 seconds. ( a ) How long will computer A take to run that application? ( b ) Calculate the performance of computer A and computer B ?
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Write a minimum of 250 words for your response including one proper reference. Provide an example in which real-time data can be used as a competitive advantage for corporations. Why do you feel this real-time data is an advantage? How long can the advantage last?

from the 0 also known as the population count or popcount for short. For example, the HW of an 8-bit binary word 10101100 is 4 (Since, there are four 15 in the 8-bit word). a. Write an ARM Cortex MO+ assembly code to calculate the Hamming weight of a 32-bit word stored in R1 register. Store the HW calculation result in Ro. Provide the screen-shots
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1 . What Layer of the OSI Model does IP addressing take place?

Let us say we are given the task of building an automated taxi. Define the constraints. What are the inputs? What is the output? How can we communicate with the passenger? Do we need to communicate with the other automated taxis, that is, do we need a language?

explain the concept of selection criterion in test design

(10pts) Given the following grammar S B c | D B B a b | c S D d | Please calculate FIRST(X) for each X in the first column in the table below and fill out the table: X FIRST(X) -------------------------------------------------- D B S Bc

When using the DCL command, every variable name begins with an ampersand ( 8 ) , followed by one to 1 2 characters that uniquely identify the variable. True False
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If the loop condition is initially false, the loop body will execute True False
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