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This chapter entails the theories and terminologies used by the proponents to build and design the computerized system.
A theoretical framework is a collection of interrelated concepts. A theoretical framework consists of concepts together with their definitions and existing theories that are used for your particular study. The Theoretical Framework must demonstrate an understanding of theories and concepts that are relevant to the topic of the research. [THEFR]
The Purpose of Point of Sale System with Inventory System for Qualipure water station is to progress the accuracy and the effectiveness of the present manual inventory system used by the company.
The system aimed to increase the sales and reduce the discrepancies. It also provides an efficient and convenient way of recording of data and to have a faster and complete report generation.
Information Technology Concept
Information technology refers to the collection of tools that make it Easier to use, create, manage and exchange information. The Internet is the latest of a long series of information technologies, which includes printing, mail, radio, television and the telephone.
A GUI (Graphical User Interface) is a user interface to a computer. As you read this, You are looking to GUI of your particular web browser. The term came into existence because the first interactive user interface to computers were not graphical; they were text-and-keyboard oriented and usually consisted of commands you had to remember and computer responses that were infamously brief.
A Database Management System (DBMS) is a software package
With computer programs that controls the creation, maintenance, and use of database.
It allows organization to conveniently develop databases for various applications. A database is an integrated collection of data records ,files, and other objects. A DMBS allows different user Application programs to concurrently access the same database. [WDBMS]
In relational Database Design, the process of organizing data to minimize redundancy, Normalization usually involves dividing a database into two or more tables and defining relationships between the tables. [WTNN] First Normal Form(1NF):
Each field in a table contains different information. For example, in an employee list, each table would contain only one birthdates field. Second Normal Form(2NF):
Each field in a table that is not a determiner of the contents of another field must itself be a function of the other fields in the table. Third Normal Form(3NF);
No Duplicate information is permitted. For example if two tables both require water field, the information would be separated into a separate table.
Is a personal computer operating system developed by Microsoft, A version of Windows NT. Development of Windows 7 occurred as early as 2006 under the codename “Blackcomb.” Windows 7 was released to manufacturing on July 22, 2009, and became generally available on October 22, 2009, less than three years after the release of its predecessor, Windows Vista. Windows 7’s server counterpart, Windows Server 2008 R2, was released at the same time.
Is a programming language that is designed for building a Variety Of applications that run on the .NET Framework. C# is simple, powerful, type-safe, and object-oriented. The many innovations in C# enable rapid application development while retaining the expressiveness and elegance of C-style languages.
Also known as Microsoft Office Access, is a database management system from Microsoft that combines the relational Microsoft Jet Database Engine with a graphical user interface and software-development tools. It is a member of the Microsoft Office suite of applications, included in the Professional and higher editions or sold separately.
Also called POS or checkout, during computerization later becoming electronic point of sale or EPOS) is the place where a retail transaction is completed. It is the point at which a customer makes a payment to the merchant in exchange for goods or services. At the point of sale the retailer would calculate the amount owed by the customer and provide options for the customer to make payment. The merchant will also normally issue a receipt for the transaction.
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