Recent Computer Science Questions & Answers

• INTRODUCTIO In this assignment you will demonstrate how to write simple programs that get input from the user produce output perform simple calculations make decisions perform

  INTRODUCTION:In this assignment, you will demonstrate how to write simple programs that get input from the user, produce output, perform simple calculations, make decisions, perform iteration/repetition, and create arrays.HOW TO SUBMIT YOUR ASSIGNMENTAt the top of every C program...

  27 May 2020

• Create an Investment class that contains fields to hold the initial value of an investment, the current value the profit calculated as the difference between current value and initial value

  Create an Investment class that contains fields to hold the initial value of an investment, the current value, the profit (calculated as the difference between current value and initial value), and the percent profit (the profit divided by the initial value). Include a constructo...

  27 May 2020

• Write a C program to implement the disk scheduling algorithms like FCFS SSTF LOOK C-LOOK that takes input from a file a list of block access request

  Write a C program to implement the disk scheduling algorithms like FCFS, SSTF, LOOK, C-LOOK that takes input from a file a list of block access request.

  27 May 2020

• Snow Howler is the librarian at the central library of the city of HuskyLand He must handle requests which come in the following forms the question file has been attached Document Preview

  Snow Howler is the librarian at the central library of the city of HuskyLand. He must handle requests which come in the following forms...the question file has been attached.Document Preview:Dynamic Array in C Snow Howler is the librarian at the central library of the city of Hus...

  27 May 2020

• Write a program that calculates the average number of days a company’s employees are absent. The program should have the following functions A function called by main that asks the user for the

  Write a program that calculates the average number of days a company’s employees are absent. The program should have the following functions: ? A function called by main that asks the user for the number of employees in the company. This value should be returned as an int. (The ...

  27 May 2020

• Bianca is preparing special dishes for her daughter’s birthday It takes her a minutes to prepare the first dish and each following dish takes b minutes longer than the previous dish She has

  Bianca is preparing special dishes for her daughter’s birthday.It takes her a minutes to prepare the first dish, and each following dish takes b minutes longer than the previous dish. She has t minutes to prepare the dishes.For example, if the first dish takes a = 10 minutes and ...

  27 May 2020

• Bianca is preparing special dishes for her daughter’s birthday It takes her a minutes to prepare the first dish, and each following dish takes b minutes longer than the previous dish

  Bianca is preparing special dishes for her daughter’s birthday.It takes her a minutes to prepare the first dish, and each following dish takes b minutes longer than the previous dish. She has t minutes to prepare the dishes.For example, if the first dish takes a = 10 minutes and ...

  27 May 2020

• In this lab, you need to create a parent class Package and a derived class OvernightPackage. The base class Package includes the following attributes Sender information sender Name

  In this lab, you need to create a parent class, Package, and a derived class, OvernightPackage. The base class Package includes the following attributes: • Sender information: senderName (string), senderAddress (string), senderCity (string), senderState (string) and senderZIPc...

  27 May 2020

• At the beginning of every year Khalid receives a raise on his previous year’s salary He wants a program that calculates and displays the amount of his annual raises for the next three

  At the beginning of every year, Khalid receives a raise on his previous year’s salary. He wants a program that calculates and displays the amount of his annual raises for the next three years, using rates of 3%, 4%, 5%, and 6%. The program should end when Khalid enters a sentinel...

  27 May 2020

• At the beginning of every year Khalid receives a raise on his previous year’s salary He wants a program that calculates and displays the amount of his annual raises for the next three years

  At the beginning of every year, Khalid receives a raise on his previous year’s salary. He wants a program that calculates and displays the amount of his annual raises for the next three years, using rates of 3%, 4%, 5%, and 6%. The program should end when Khalid enters a sentinel...

  27 May 2020

• Labs CSIT 210 Introduction to Programming LAB 9B Arrays Change the program Airline Driver java to assign passenger seats in an airplane Chesapeake Airlines is a small commuter airline with seats for

  Labs CSIT 210 Introduction to Programming LAB 9B Arrays Change the program AirlineDriver.java to assign passenger seats in an airplane. Chesapeake Airlines is a small commuter airline with seats for 20 passengers in 5 rows of 4 seats each. Here is the layout: 1ABCD 2ABCD 3ABCD 4A...

  27 May 2020

• Question 4 Topic Comprehensive Percentage 25% Answer to all the questions set below. Q4.1 [10%/25%]: Trees-related questions Beginning with an empty binary search tree what binary search

  Question 4 [Topic: Comprehensive] [Percentage: 25%]: Answer to all the questions set below.Q4.1 [10%/25%]: Trees-related questionsBeginning with an empty binary search tree, what binary search tree is formed when you add the following letters in the order given? J, N, B, A, W, E,...

  27 May 2020

• Decision Table Homework The subsidy to a Cub Scout pack is based on the number of scouts rank and length of membership Subsidy for each scout is $25 for first year members S35 for second year

  Decision Table Homework The subsidy to a Cub Scout pack is based on the number of scouts, rank, and length of membership. Subsidy for each scout is $25 for first year members, S35 for second year members, and $50 for scouts who have been members longer than 2 years. In addition t...

  27 May 2020

• Question 4 ER model You are asked to design the ER diagram for a database to manage data for athletes athletic game Requirements are as follows Each participating team has a name

  Question 4. ER model (5 points). You are asked to design the ER diagram for a database to manage data for athletes athletic game. Requirements are as follows: Each participating team has a name and a manager. Each athlete has a unique athlete ID, and is also described by first na...

  27 May 2020

• Question 4 ER model You are asked to design the ER diagram for a database to manage data for athletes athletic game Requirements are as follows Each participating team has a name and

  Question 4. ER model (5 points). You are asked to design the ER diagram for a database to manage data for athletes athletic game. Requirements are as follows: Each participating team has a name and a manager. Each athlete has a unique athlete ID, and is also described by first na...

  27 May 2020

• CSCI 101 Here is a simple heuristic approximation algorithm for routing a message from node A to node B in a reasonable amount of time The algorithm assumes that every node in the network has at

  CSCI 101 Here is a simple heuristic (approximation algorithm) for routing a message from node A to node B in a reasonable amount of time. The algorithm assumes that every node in the network has at least two outgoing links. (2 points) 8. Assume A has n outgoing links, n 2 2, with...

  27 May 2020

• Computers typically do not implement integer subtraction directly but instead using addition and negation To accomplish negation they often

  Computers typically do not implement integer subtraction directly, but instead using addition and negation.To accomplish negation, they often use the formula −x = (x ˆ 11 . . . 1) 1, which can be 3 implemented using bitwise XOR and addition.The string 11 . . . 1 here represents ...

  27 May 2020

• Computers typically do not implement integer subtraction directly but instead using addition and negation To accomplish negation they often use

  Computers typically do not implement integer subtraction directly, but instead using addition and negation.To accomplish negation, they often use the formula −x = (x ˆ 11 . . . 1) 1, which can be 3 implemented using bitwise XOR and addition.The string 11 . . . 1 here represents ...

  27 May 2020

• Computers typically do not implement integer subtraction directly but instead using addition and negation To accomplish negation they often use the

  Computers typically do not implement integer subtraction directly, but instead using addition and negation.To accomplish negation, they often use the formula −x = (x ˆ 11 . . . 1) 1, which can be 3 implemented using bitwise XOR and addition.The string 11 . . . 1 here represents ...

  27 May 2020

• Computers typically do not implement integer subtraction directly but instead using addition and negation To accomplish negation they often use the formula

  Computers typically do not implement integer subtraction directly, but instead using addition and negation.To accomplish negation, they often use the formula −x = (x ˆ 11 . . . 1) 1, which can be 3 implemented using bitwise XOR and addition.The string 11 . . . 1 here represents ...

  27 May 2020

• What is the effect of the following code CLR MOVE B MOVE B DO DO DI #10 D2 XXX ADD. BD2, D ADD . B ADD. B SUB B BNE STOP 1D1 D DO #1,D2 $2700 6 38 What is the effect of the following code

  What is the effect of the following code? CLR MOVE. B MOVE . B DO DO, DI #10,D2 XXX ADD. BD2, D ADD . B ADD. B SUB . B BNE STOP #1,D1 D1, DO #1,D2 #$2700 6.38 What is the effect of the following code? CLR MOVE. B MOVE . B DO DO, DI #10,D2 XXX ADD. BD2, D ADD . B ADD. B SUB . B BN...

  27 May 2020

• Write a python program to process data from a file Each line of the file will contain a last name, first name, and two exam scores The items are separated bycommas Following are a few lines from

  Write a python program to process data from a file. Each line of the file will contain a last name, first name, and two exam scores. The items are separated bycommas. Following are a few lines from such a file: Potter, Harry, 78, 79 Weasley, Ronald, 68, 72 Granger, Hermione,...

  27 May 2020

• Create an inheritance hierarchy for class Quadrilateral Trapezoid Parallelogram Rectangle andsquare Use Quadrilateral as the base of the hierarchy Make the hierarchy as deep as possible

  Q) Create an inheritance hierarchyforclassQuadrilateral,Trapezoid, Parallelogram, Rectangle andsquare.Use Quadrilateral as the base of thehierarchy. Make the hierarchy as deep as possible.#pragma once #include "quadrilateral.h"class Trapezoide : public Quadrilateral public: ...

  27 May 2020

• In this exercise you use the rectangle class that you createdin lab 14 2 to declare A Rectangle object in the all around fence program Use windows to copy the rectangle h file which is

  In this exercise, you use the rectangle class that you createdin lab 14.2 to declareA. Rectangle object in the all around fence program.A. Use windows to copy the rectangle.h file, which is containedin the Cpp5chap14ch14lab2 solutionch14lab2 project folder, tothe cpp5chap14ch14Ap...

  27 May 2020

• Write a program that defines symbolic names for several string literals characters between quotes Use each symbolic name in a variable definition

  Write a program that defines symbolic names for several string literals (characters between quotes). Use each symbolic name in a variable definition.

  27 May 2020

• Write a program that lets the user perform arithmetic operations on fractions Fractions are of the form a/b where a and b are integers and b is not equal to 0 Your program must be menu driven

  Write a program that lets the user perform arithmetic operations on fractions. Fractions are of the form a/b, where a and b are integers and b is not equal to 0.Your program must be menu driven, allowing the user to select the operation (, - *, or /) and input the numerator and...

  27 May 2020

• Two-Bit Drilling Company keeps information on employees and their insurance dependent Each employee has an employee number name date of hire and title If an employee is an inspector

  Two-Bit Drilling Company keeps information on employees and their insurance dependents. Each employee has an employee number, name, date of hire, and title. If anemployee is an inspector, then the date of certification and the renewal date for that certification should also be re...

  27 May 2020

• Write a definition of the function leavesCount that takes as a parameter a pointer to the root node of a binary tree and returns the number os leaves in a binary tree Add this function to the class

  Write a definition of the function leavesCount that takes as a parameter a pointer to the root node of a binary tree and returns the number os leaves in a binarytree.Add this function to the class binaryTreeType an create a program to test this function.

  27 May 2020

• Celsius and Fahrenheit Temperatures Implement the following integerfunctions Function celsius returns the Celsiusequivalent of a Fahrenheit temperature Function

  6.27(Celsius andFahrenheit Temperatures) Implement the following integerfunctions:Function celsius returns the Celsiusequivalent of a Fahrenheit temperature.Function fahrenheit returns theFahrenheit equivalent of a Celsius temperature.Use these functions to write a program thatpr...

  27 May 2020

• Celsius and Fahrenheit Temperatures Implement the following integerfunctions Function celsius returns the Celsiusequivalent of a Fahrenheit temperature Function fahrenheit returns

  6.27(Celsius andFahrenheit Temperatures) Implement the following integerfunctions:Function celsius returns the Celsiusequivalent of a Fahrenheit temperature.Function fahrenheit returns theFahrenheit equivalent of a Celsius temperature.Use these functions to write a program thatpr...

  27 May 2020

• Declare a private static field that holds the price of a cup of coffee as $1.25 Include private integer fields that you set to a flag value of 1 or 0 to indicate whether the order should have any

  Declare a private static field that holds the price of a cup of coffee as $1.25. Include private integer fields that you set to a flag value of 1 or 0 to indicate whether the order should have any of the following: cream, milk,sugar, or artificailsweetner. Include a public ...

  27 May 2020

• Write a program for playing the game of Nim The game of Nim starts with three heaps and a fixed number of objects in each heap Two players take turns removing objects from the heaps On a players

  Write a program for playing the game of Nim. The game of Nim starts with three heaps and a fixed number of objects in each heap. Two players take turns removing objects from the heaps. On a players turn, she chooses a heap and removes one or more objects from that heap. She ca...

  27 May 2020

• Create a class named Order that performs order processing of a single item The class has the following five fields Customer name Customer number Quantity ordered

  Create a class named Order that performs order processing of a single item. The class has the following five fields: •Customer name •Customer number •Quantity ordered •Unit price •Total price b.Include set and get methods for each field except the total price field. The...

  27 May 2020

• Problem Overview You must use fork and pipe to complete this project This project creates processes to add all numbers in a file The user will enter a number of parallel processes to

  Problem Overview You must use fork and pipe to complete this project. This project creates processes to add all numbers in a file. The user will enter a number (1, 2, or 4) of parallel processes to create for processing the numbers. Thesystem will then create this many proc...

  27 May 2020

• Declare a single structure type suitable for an employee record consisting of an integer identification number a last name consisting of a maximum of 20 characters a floating-point pay rate

  Declare a single structure type suitable for an employee record consisting of an integer identification number, a last name (consisting of a maximum of 20 characters),a floating-point pay rate, and a floating-point number of hours worked. Using this structure type, write a C prog...

  27 May 2020

• Write a program that converts integer Fahrenheit temperaturesfrom 0 to 212 degrees to floating point Celsius temperatures with 3 digits of precision Use the formula celsius

  Write a program that converts integer Fahrenheit temperaturesfrom 0 to 212 degrees to floating point Celsius temperatures with 3digits of precision. Use theformulacelsius = 5.0 / 9.0 * (fahrenheit - 32);to perform the calculation. The output should be printed intwo right justifie...

  27 May 2020

• Relate the procedures for the immunodiagnosis of syphilis and describe the type of specimen, category of the procedure treponemal and non treponemal and basic principle

  Relate the procedures for the immunodiagnosis of syphilis, and describe the type of specimen, category of the procedure (i.e., treponemal and nontreponemal), and basic principle (e.g., fluorescent antibody)

  27 May 2020

• The OK Sales Company pays it salespeople R12 50 for each item they sell Given the number of items sold by a salesperson your program should first print a heading then calculate and print

  The OK Sales Company pays it salespeople R12.50 for each item they sell. Given the number of items sold by a salesperson, your program should first print a heading, then calculate, and print the amount of pay due. A function named printHeading (with no parameters) displays the...

  27 May 2020

• Which of the following cannot generate a Poissondistribution The number of customersarriving at an ATM in a minute The number of people at amovie theatre on Friday evening

  Which of the following cannot generate a Poissondistribution?     A.    The number of customersarriving at an ATM in a minute    B.    The number of people at amovie theatre on Friday evening     C.    The number of defects in anew automobile    D.    The number of goals in the...

  27 May 2020

• Using cin Allocating Memory and Writing Assignment Statements cin Memory Allocation and Assignment Statements Show the variable name and value of each statement

  Using cin, Allocating Memory, and Writing Assignment Statements cin, Memory Allocation, and Assignment Statements Show the variable name and value of each statement1. int a, b = 9; a = b;2. int d = 2, x = 3, y = 1; y 4 = d – x;3. short number = 10; number = 0;4. short number = 0...

  27 May 2020

• using c++ write a program to calculate the area and

  using c write a program to calculate the area and

  27 May 2020

• Wang Lab’s tremendous growth left the company with a serious problem Customers would often wait months for Wang to fill orders and process invoices Repeated attempts by Wang’s understaffed IS depart

  Wang Lab’s tremendous growth left the company with a serious problem. Customers would often wait months for Wang to fill orders and process invoices. Repeated attempts by Wang’s understaffed IS department to solve these problems met with failure. Finally, Wang hired a consulting ...

  27 May 2020

• Write a C program that demonstrate use of pointers and array in C language Declare a string using Array of CHAR data type and store string String of Characters Create a function that

  Write a C program that demonstrate use of pointers and array in C language. Declare a string using Array of CHAR data type and store string “String of Characters”. Create a function that display string. Pass string pointer as “Passing Argument to function by reference” concept. (...

  27 May 2020

• Write a C program that demonstrate use of pointers and array in C language Declare a string using Array of CHAR data type and store string String of Characters Create a function that display

  Write a C program that demonstrate use of pointers and array in C language. Declare a string using Array of CHAR data type and store string “String of Characters”. Create a function that display string. Pass string pointer as “Passing Argument to function by reference” concept. (...

  27 May 2020

• Write a simple program that can convert between Euros Dollars Yen and Pounds To keep things simple we will only convert from Dollars or Euros to the other currencies Your program will look

  Write a simple program that can convert between Euros, Dollars, Yen, and Pounds To keep things simple we will only convert from Dollars or Euros to the other currencies. Your program will look something like this

  27 May 2020

• A 3000 lb vehicle travelling on a road at 100 ft/sec requires a force equal to its mass times its acceleration F-ma to stop The acceleration is given by a d where vo 100 and vi-O Write a program

  A 3000 lb vehicle travelling on a road at 100 ft/sec requires a force equal to its mass times its acceleration (F-ma) to stop. The acceleration is given by a d where vo 100 and vi-O Write a program that will calculate the retarding force needed to stop the car at distances of 20,...

  27 May 2020

• Binary search tree Write a function printRange that takes as inputa binary search tree t and two keys, k1 and k which are ordered so that kl <k2 and print all elements x in the tree such that

   (Binary search tree) Write a function printRange that takes as inputa binary search tree t and two keys, k1 and k2, which are ordered so that kl

  27 May 2020

• Instructions In Chapter 10 the class clockTypewas designed to implement the time of day in a program Certain applications in addition to hours minutes and seconds might require you to store the

  InstructionsIn Chapter 10, the class clockTypewas designed to implement the time of day in a program. Certain applications, in addition to hours, minutes, and seconds, might require you to store the time zone. Derive the class extClockTypefrom the class clockTypeby adding a membe...

  27 May 2020

• Explain the concept of a GUI and a switchboard How does a GUI design differ from a character-based screen design

  Explain the concept of a GUI and a switchboard. How does a GUI design differ from a character-based screen design?

  27 May 2020

• c++ programming question I have a string sentence Hello how are you What the best way to Get each word from the sentence and assign it to a variable and then add that variable to a vector

  c programming question! I have a string sentence. "Hello how are you" What the best way to Get each word from the sentence and assign it to a variable and then add that variable to a vector? I wont know how many words the sentence has, only that they will be separated by a space ...

  27 May 2020