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  DATABASE A database is an organized collection of data , stored and accessed electronically. Database designers typically organize the data to model aspects of reality in a way that supports processes requiring information, such as (for example) modelling the availability of rooms in hotels in a way that supports finding a hotel with vacancies.   SOURCE:https://en.wikipedia.org/wiki/Database   DAYABASE MANAGEMENT SYSTEM (DBMS) A database management system ( DBMS ) is a software application that interacts with end users , other applications, and the database itself to capture and analyze data. A general-purpose DBMS allows the definition, creation, querying, update, and administration of databases. A database is generally stored in a DBMS-specific format which is not portable , but different DBMSs can share data by using standards such as SQL and ODBC or JDBC . Sometimes a DBMS is loosely referred to as a "database". Computer scientists m...

                   Microsoft Windows source:https://www.google.com/search?q=windows&ie=utf-8&oe=utf-8&client=firefox-b -a) Microsoft Windows is a group of several graphical operating system families, all of which are developed, marketed, and sold by Microsoft. Each family caters to a certain sector of the computing industry.                                                                                                                                                               ...

                                                                OPERATING SYSTEM                                             (source:https://www.computerhope.com/os.htm)  An operating system or OS is a software on the hard drive that enables the computer hardware to communicate and operate with the computer software . Without a computer operating system, a computer and software programs would be useless. The picture to the right is an example of Microsoft Wi...

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Computer Components: Computers are made of the following basic components: Case with hardware inside: Power Supply - The power supply comes with the case, but this component is mentioned separately since there are various types of power supplies. The one you should get depends on the requirements of your system. This will be discussed in more detail later Motherboard - This is where the core components of your computer reside which are listed below. Also the support cards for video, sound, networking and more are mounted into this board. Microprocessor - This is the brain of your computer. It performs commands and instructions and controls the operation of the computer. Memory - The RAM in your system is mounted on the motherboard. This is memory that must be powered on to retain its contents. Drive controllers - The drive controllers control the interface of your system to your hard drives. The controllers let your hard drives work by control...