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Basics of DATABASE

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DATABASE A systematic collection of data Databases support storage and  manipulation of data Databases make data management easy Examples: An online telephone directory would definitely use database to store data pertaining to people, phone numbers, other contact details, etc. Your electricity service provider is obviously using a database to manage billing , client related issues, to handle fault data, etc. Let's also consider the facebook. It needs to store, manipulate and present data related to members, their friends, member activities, messages, advertisements and lot more. DATABASE MANAGEMENT SYSTEM (DBMS) A collection of programs which enables its users to access database, manipulate data, reporting / representation of  data .  Also helps to control access to the  database.  Had been first implemented in 1960s. With time database technologies evolved a lot while usage and expected functionalities of databases have been increased immensely. TYPES
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INTERNET PROTOCOL ADDRESS. HOW IT LOOKS LIKE!!!!
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Operating System

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                                    Operating System What Is an OPERATING SYSTEM(OS)? It is a software that allows a user to run other applications on a computing device.  An OS manages computer's hardware resources plus: input devices  e.g keyboard/mouse output devices e.g display monitors/printers/scanners                                                            network devices e.g modems/routers/network connections storage devices e.g internal/external data Also provides services to facilitate the efficient execution and management of and memory allocation for any additional installed software app. program. WHAT IS WINDOWS? Windows OS , computer  operating system  (OS) developed by  Microsoft Corporation  to run  personal computers  (PCs). Featuring the first  graphical user interface  (GUI) for  IBM -compatible PCs, the Windows OS soon dominated the PC market. Approximately 90 percent of PCs run some version of Win
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My first experience assembling and disassemblling a system unit.

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Today (just now), I had my first experience assembling and disassembling a system unit. To be honest, for me it wasn't that easy and it wasn't that hard either. During the process of disassembling and assembling the system unit, i gained a few knowledge . I now know how big a motherboard is and how small a cpu/processor is.Next,i know what role the heatsink played and the function of RAM.Not only that, now I also know the few other components in the system unit of a computer.  The funny story was when we ( MY TEAM MEMBERS AND I ) had a hard time unattaching the power supply from the case and we were sweating like crazy because it was hot.Anyway... HERE ARE A FEW PICTURES THAT I TOOK WHILE MY GROUP AND I TRY TO ASSEMBLE THE SYSTEM UNIT.
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components of system unit

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Video Card  (graphics adapter) – with its help the outputs from a computer are displayed on the screen. Modern video cards support HDMI (high-definition multimedia interface), VGA (video graphics array) and DVI (digital visual interface).           Motherboard  – a system core. Actually, it is a heart of computer. Other system elements are connected to motherboard, and the whole system is managed and controlled by it. Motherboard contains special chips on which some ICs (Integrated circuits) are etched. Processor  – a computer engine, its brain. CPU (central processing unit) manages most of computer operations. Processors can be with pins or pin-less. It contains a control unit and a logic unit. RAM  (random access memory) – primarily memory. It storages all data processed by programs and apps on the computer. There are dynamic and static RAMs.                                                  Hard Drive  – a system memory that storages data in a form of archives. Here all our fil
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