What is relational database? What does it contain? What is the purpose of primary key in a database?

What is relational database? What does it contain? What is the purpose of primary key in a database?

Whitbread World Sailboat Race

Whitbread World Sailboat Race Each year countries enter their sailing vessels in the nine-month Round the World Whitbread Sailboat Race. In recent years, about 14 countries entered sailboats in the race. Each year's sailboat entries represent the latest technologies and human skills each country can muster. Bjorn Ericksen ...continues

Conversion of Binary number to Decimal number

Write a C++ program that converts eight (8) bit binary numbers to their decimal equivalents. The program should retrieve the binary numbers (one at a time) from a data file (use a long int for the variable that represents the binary number). For each binary number, convert the number to decimal one bit at a time (or all at onc ...continues

Give Examples of Overloaded Methods

Give 3 examples of overloaded methods for a description of the size of a room. Explain each of them.

Matlab Program

In Matlab Develop a program that will: a. Calculate the integral of a n-order polynomial using Simpson's rule and rectangle rule, the orders will be positive integers. b. The user shall input the coefficients to the polynomial c. The user shall be able to define the order of the polynomial d. The user will define how many s ...continues

Visual Looping and constructs

You have just been hired to teach a course, not necessarily a programming course, in your local community college. After your first week, you collect the first set of assignments from your students and grade them. To make sure that you enter all the grades on your spreadsheet, you decide to sort your students' grades in asce ...continues

Using your own words

define and distinguish the following software categories: operating systems; drivers; utilities/libraries; programming languages; and applications.

Date Program in C

write a program that reads a date in the first format and prints the date in the second format. Example: Input: 07/21/1955 Output: july 21, 1955

Context Data Flow Diagram

Please see the attached file for necessary information. Problem: Draw a Context Data Flow Diagram based on the attached information.

Event Diagrams

Please see the attached file for background information. Problem: Draw Event Diagrams for each of the events shown in the attached Use-Case Matrix.