Nick Marshall – WGU Note Repository

1.1 Logic will be the base of Computer science We’ll translate english into logic and deduce validity 1.2 Propositions and Truth Tables Propositions, truth values, and truth tables Logical operations Compound statements and rules of order Compound statements and truth tables 1.3 Propositions, truth values, and truth tables Because true and false are so prevalent…

Use EITHER Visual Studio or Xcode for this assessment, Your submission should include a zip fi le with all the necessary code fi les to compile, support, and run yourapplication. The zip fi le submission must also keep the project fi le and folder structure intact for the VisualStudio IDE or Eclipse IDE. Requirements You…

1.3 Integrated Development Environment (IDE) Note: this course utilizes zyLabs, a zyBooks operated development environment right in your book. If you’d like you can also utilize an external environment. Please use the following to guide you. Integrated Development Environment (IDE) for C++ Below is a listing of two (2) free Integrated Development Environments (IDEs) that are…

Example code: #include <iostream> // enables inputs and outputs using namespace std; int main() { //starts the main part of the program int wage; // int wage = 20; would also work double money; // a call for decimals in there char middleInitial; // store one character as a variable bool isSomething; //Boolean call string…

Unit 1: Pre-Calculus Review Unit 1 of Calculus I is optional review to prepare you to succeed in this course. It is provided only if you need it, but these concepts are foundational for building the skills and understandings covered in Units 2 through 5. None of the material in this unit is specifically addressed…

LinkedIn Learning – Extra material Relational databases – ANSI sql is the standard sql is dml data manipulation language sql is also a dcl data control language clause is a keyword for action predicate set peramaters expression – data I guess ACID model Atomic – Even though you now know atoms can be broken down…

4 pages 1.1 Database basics Data Data is numeric, textual, visual, or audio information that describes real-world systems. Data is collected and processed to aid in a variety of tasks, such as forecasting weather, analyzing financial investments, and tracking the global spread of pandemics. Data can vary in several important ways: Scope. The amount of data produced and…

7 pages 6.1 MySQL architecture Layers Architecture describes the components of a computer system and the relationships between components. This section describes MySQL architecture. Other relational databases have similar components, but component details and relationships vary greatly. MySQL components are organized in four layers: Tools interact directly with database users and administrators, and send queries to the query…

2 pages 5.1 Normal form Redundancy and dependence Redundancy is the repetition of related values in a table. Redundancy causes database management problems. When related values are updated or deleted, all copies must be changed, which makes queries slow and complex. If copies are not updated or deleted uniformly, the copies become inconsistent and the correct version…

8 pages 4.1 Entities, relationships, and attributes The entity-relationship model Database design begins with verbal or written requirements for the database. Requirements are formalized as an entity-relationship model and then implemented in SQL. An entity-relationship model is a high-level representation of data requirements, ignoring implementation details. An entity-relationship model guides implementation in a particular database system, such as…