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Explain the three levels in data abstraction

Explain the three levels in data abstraction. Explain the three levels in data abstraction. Three levels of data abstraction are: 1. Physical level : How the data is stored physically and where it is stored in database. 2. Logical level: What information or data is stored in the database (like what is the data type or what is format of data. 3. View level: End users work on view level. If any amendment is made it can be saved by other name. For the database to be usable it must retrieve data efficiently. This efficiency led designer to use complex data structure in the database.

Why PCs Crash

10 Reasons Why PCs Crash 10 Reasons Why PCs Crash Fatal error: the system has become unstable or is busy," it says. "Enter to return to Windows or press Ctrl-Alt-Delete to restart your computer. If you do this you will lose any unsaved information in all open applications." You have just been struck by the Blue Screen of Death. Anyone who uses Microsoft Windows will be familiar with this. What can you do? More importantly, how can you prevent it happening? 1 Hardware conflict The number one reason why Windows crashes is hardware conflict. Each hardware device communicates to other devices through an interrupt request channel (IRQ). These are supposed to be unique for each device. For example, a printer usually connects internally on IRQ 7. The keyboard usually uses IRQ 1 and the floppy disk drive IRQ 6. Each device will try to hog a single IRQ for itself. If there are a lot of devices, or if they are not installed properly, two of them may end up sharing …

Automation error: Drawing is Busy when trying to save a DWG file

Automation error: Drawing is Busy when trying to save a DWG file Automation error: Drawing is Busy when trying to save a DWG file Issue: Intermittent errors appears when saving DWG files with AutoCAD 2012 and 2013 with the message; Automation error: Drawing is busy AutoCAD then crashes or hangs losing all work from last save. Causes: This issue is related with the acaddoc.lsp, acad.fas or acad.vlx virus issues, files that appear duplicated in all folders from where you open dwg files. Solution: First thing to do is to check if your computer contains any virus, usually it's linked to the acaddoc.lsp and acad.fas stored in all folders from where you open the dwg files: 1. Search for all these files and delete all of them. 2. Next, check the article, How to detect and remove the Acad.vlx virus, if the file that appears copied in all folders is not one of the specified in th…

What is Active Directory?

What is Active Directory? What is Active Directory? An active directory is a directory structure used on Microsoft Windows based computers and servers to store information and data about networks and domains. It is primarily used for online information and was originally created in 1996 and first used with Windows 2000. An active directory (sometimes referred to as an AD) does a variety of functions including the ability to provide information on objects, helps organize these objects for easy retrieval and access, allows access by end users and administrators and allows the administrator to set security up for the directory. An active directory can be defined as a hierarchical structure and this structure is usually broken up into three main categories, the resources which might include hardware such as printers, services for end users such as web email servers and objects which are the main functions of the domain an…

How to install windows 7 full

HOW TO INSTALL WINDOWS 7 FULL TUTORIAL (HD) how to install windows 7,windows vista , full tutorial... how to install windows 7,windows vista , full tutorial... How to Install Windows 7 Operating System, Drivers & Folders The basics of how to Install a Windows 7 Operating System, Drivers, Folders, and Setting Up a New Computer System. PC Build Guide Series. How to Install Windows 7 Operating System, Drivers & Folders The basics of how to Install a Windows 7 Operating System, Drivers, Folders, and Setting Up a New Computer System. PC Build Guide Series.

I Love You Teddy Bear Wide

i_love_you_teddy_bear-wide i_love_you_teddy_bear-wide Click here to watch youtube video I love you Teddy Bear in white color to company your valentines floral arrangements. A traditional Dozen Red Roses is not complete without the addition of the stuffed animal and a chocolate box What are the advantages of using forums over websites? How to prevent the mobile from exploding? మొబైల్ పేలకుండా ఉండాలంటే ఏం చెయ్యాలి? How to use one WhatsApp Account on Two Devices Save Your Time with Shortcuts in Computer How to improve your Content Marketing Skills

Announcing Windows 10

Announcing Windows 10 September 30, 2014September 30, 2014 It’s a humbling and amazing thing to work on Windows, which is used by over 1.5 billion people in every country of the world. From kids playing with computers for the first time, to writers and journalists, to engineers, to gamers, to CEOs, at some point Windows has empowered all of us. In the Windows team, we’re proud of this – but we also know that the world today is very different from the one in which Windows grew up. Today, devices outnumber people. Connectivity is like oxygen. The tension between the desire for agility versus stability poses a huge challenge for IT Pros. Experiences – no matter what device you’re on – just need to work. The only thing that hasn’t really changed is the situation for developers – still too much to do, and not enough time. One way to look at it is that Windows is at a threshold :-). It’s time for a new Windows. This new…

How to Install Windows 8

Windows 8 is Microsoft's latest operating system which is completely redesigned. It moves away from the traditional interface to a completely new interface known as Metro User Interface. The familiar start menu is now gone.

Icons and windows are replaced with live tiles and magazine styled interface. Unlike any previous versions, Windows 8 and its variation RT works across multiple architectures and has been optimized for touch screen. So it will work on Intel based PCs or an ARM based tablet.

This step-by-step guide demonstrates how to install Microsoft Windows 8 Professional. You can follow this guide if you have Windows 8 basic edition or any other version as the steps are very similar. Read more about How to Install Windows 8

How to share folders in Windows XP

How to share folders in Windows XP Procedure: 1. Right click on the folder to be shared and select ‘Sharing and Security’. 2. Select the option ‘Share this folder’ and click on ‘Permissions’ to set the permissions. 3. Give the necessary permissions. If the folder is to be shared with specific users, then click on ‘Add’ to add the particular user. 4. Click on ‘Apply’ and ‘OK’ to save the settings. 5. The folder is now shared.

How to Install PDF TO DWG Converter

How to install PDF TO DWG Converter Pre-requisite: 1. Login to the computer with Admin rights Installation Procedure: 1. Insert the CD in the CD ROM drive. 2. Open ‘E:AutoDWG_PDF_to_DWG_Converter’ folder. 3. Run ‘PDF2DWG-SA’ file. click here to watch youtube video step by step 4. The installation wizard opens. Click ‘Next’ to continue. 5. Choose the Destination Location (if required) and click on ‘Next’ to continue. 6. Once the installation is complete, the following dialog will be displayed. Click on ‘Finish’ to complete the set up.

How to install Liscad 10.1

How to install Liscad 10.1 Procedure: 1.Run the setup file for Liscad 10.1 and click on ‘Next’ to proceed. 2.Accept the terms & conditions and click on ‘Continue’. (adsbygoogle = window.adsbygoogle || []).push({}); 3.Choose the Setup Type as ‘Typical’ and click on ‘Next’ to continue. 4.Click on ‘Install’ to begin the installation. 5.Uncheck the option ‘View Release Notes’ and click on ‘Finish’ to exit the wizard. What is YouTube Premium Account?, What is included with YouTube Premium? (adsbygoogle = window.adsbygoogle || []).push({}); Difference between 2.4GHz, 5GHz, and 6GHz Wireless, iiQ8 Wi-Fi Technology, What is WiFi 6E? Is Google AdSense a scam? , Earning Money from Goolge AdSense, Online Money Earning How to Get 200000 Views on YouTube for Your New Account, iiQ8 Youtube Channel What an IT Support / I…

How to install TIFF to PDF converter

How to install TIFF to PDF converter Pre-requisite: 1. Login to the computer with Admin rights Installation Procedure: 1. Run the setup file ‘tifftopdf’ and click on ‘Next’ to continue. 2. Change the Destination Folder (optional) and click ‘Next’ to proceed. 3. Select the Start Menu Folder (optional) and click on ‘Next’ to proceed. Click here to watch youtube video tutorial , step by step procedure 4. Select the option ‘Create a desktop icon’ and click on ‘Next’ to continue. 5. Setup is ready to begin the installation. Click on ‘Install’ to begin the process. 6. Once the installation is completed, click on ‘Finish’ to exit the wizard.

How to install Post-it

How to install Post-it Pre-requisite: 1. Login to the computer with Admin rights Installation Procedure: 1. Download and save the setup file from the Internet to the desktop. 2. Run the setup file and click on ‘Next’. click here to watch youtube video tutorial, step by step procedure 3. Click on ‘Open DesktopDownloads’ 4. Run the installer file and click on ‘Next’ to proceed. 5. Accept the terms & conditions and click on ‘Next’ to proceed. 6. Choose the Destination Folder (optional) and click on ‘Next’ to proceed. 7. Click on ‘Install’ to begin the installation. 8. Click on ‘No’ to not receive any Post-it news or product offers. 9. Click on ‘Manually’ to check for updates. 10. Click on ‘Finish’ to exit the s…

How to install Google Chrome

How to install Google Chrome Pre-requisite: 1. Login to the computer with Admin rights Installation Procedure: 1. Download the installer file from the Internet after accepting ‘Google Chrome Terms & Conditions’. 2. Save the setup file to the desktop. 3. Double click on the setup file saved on your desktop and click on ‘Run’ to start the installation. 4. Once the installation is completed, you’ll get the following confirmation message. Click here to watch youtube video tutorial, step by step procedure How to Download and Install Google Chrome 2014 Shows how to install the internet browser, Google Chrome, ranked #2 browser in the world! Google Chrome is my personal favorite, and I show you how to download and install the internet browser.

How to install FTP Utility

How to install FTP Utility Pre-requisite: 1. Login to the computer with Admin rights. Installation Procedure: 1. Run the setup file ‘FTPUtitlitySetup’ and click on ‘Next’ to continue. 2. Click on ‘Yes’ to accept the License agreements. 3. Select the Destination Folder (optional) and click ‘Next’ to proceed. 4. Select the options to be registered and click on ‘Next’ to proceed. 5. Once the installation is completed, click on ‘Finish’ to exit the wizard. Click here to watch youtube video tutorial, step by step procedure How to Setup FTP Scan on Konica Minolta C350 - 450 Using UI from Computer

How to install English Dictionary

How to install English Dictionary Pre-requisite: 1. Login to the computer with Admin rights Installation Procedure: 1. The setup file for English dictionary can be downloaded from the Internet. 2. Save the setup file to the desktop. 3. Double click on the setup file saved on your desktop and click on ‘Accept’ to start the installation. 4. The setup will show the location where the application is going to be saved. Click on ‘Next’ to proceed. 5. Select the language and click on ‘Install’. 6. Once the installation is complete, you’ll get the below confirmation. Click on ‘Next’ and ‘Close’ to complete the installation. Click here to watch youtube video tutorial, step by step procedure Improve your vocabulary and really understand what you learn by simply using a paper dictionary. You will learn how to pronounce words, what their function is, how to modify them, and much…

How to install CutePDF Writer

How to install CutePDF Writer Pre-requisite: 1. Login to the computer with Admin rights Installation Procedure: 1. Download and save the setup file from the Internet to the desktop. 2. Double click on the setup file and click on ‘Next’ to continue. 3. Accept the terms and conditions and click on ‘Next’. 4. Uncheck the additional tools / offers and click on ‘Next’ to continue. 5. Click on ‘Install’ to begin the setup. 6. Once the setup is completed, click on ‘Finish’ to exit the wizard. Click here to watch youtube video tutorial, step by step procedure How to Install CutePDF Writer in Windows 7

How to install AutoCAD 2007

How to install AutoCAD 2007 Pre-requisite: 1. Login to the computer with Admin rights Installation Procedure: 1. Insert the CD in the CD ROM drive. 2. Open ‘E:Autocad2007’ folder and run the setup file. 3. Choose the Installation type as ‘Stand-Alone Installation’. 4. Click on ‘Install’ to install of AutoCAD 2007 5. In the AutoCAD 2007setup window, click on ‘Next’ to begin the setup. 6. Select the ‘Country or Region’ and accept the terms and conditions. Click ‘Next’ to proceed. 7. Enter the serial number as shown in the below screenshot and click ‘Next’ to proceed. 8. Enter the User information and click on ‘Next’ to proceed. 9. Select the Installation type and destination and click ‘Next’ to continue. 10. Uncheck the optional installation tools and click on ‘Next’ to proceed. 11. Choose the Destination Folder (if required) and click on ‘Next’. 12. Choose the Text editor…

How to install AutoCAD 2013

How to install AutoCAD 2013 Pre-requisite: 1. Login to the computer with Admin rights Installation Procedure: 1. Insert the CD in the CD ROM drive. 2. Run the setup file and click on ‘Install’ to begin the installation. 3. Select ‘I Accept’ to accept the license agreement and click ‘Next’ to proceed. 4. Select the Product Language ‘English’ and License Type as ‘Stand-Alone’. Enter the ‘Serial Key’ and ‘Product Key’ and click on ‘Next’ to proceed. 5. Select the AutoCAD features that are to be installed and click on ‘Install’ to proceed. 6. Once the setup is completed, click on ‘Finish’ to exit the wizard. Click here to watch youtube video tutorial, step by step procedure Explaining how to create a deployment of AutoCAD 2013 on a DFS location. Go through different methods of automated software deployment, including batch files, Group Policy, and SCCM. How to download and in…

How to install Adobe Professional 9

How to install Adobe Professional 9 Pre-requisite: 1. Login to the computer with Admin rights Installation Procedure: 1. Double click on the Adobe Professional 9 setup file and click on ‘Install’ to begin the installation. 2. Select the language and click ‘OK’ to proceed. 3. Choose the application ‘Adobe Acrobat 9’ and click ‘Next’ to proceed. 4. Enter the ‘User name’ and ‘Organization’. Select the option ‘Install the trial version’. 5. Select the setup type and destination and click ‘Next’. 6. Choose the Destination Folder (if required) and click on ‘Next’. 7. Click on ‘Install’ to begin the installation. 8. Once the setup is completed, click on ‘Finish’ to exit the wizard. Click here to watch youtube video tutorial, step by step procedure Adobe Acrobat X Installation Screencast Adobe Acrobat Reader can be downloaded and installed for f…

How to install Adobe Flash Player

How to install Adobe Flash Player Pre-requisite: 1. Login to the computer with Administrator rights Installation Procedure: 1. Get the setup file for Adobe Flash Player (The setup file can be taken directly from the Internet / CD / USB as available). 2. Select the system requirements and uncheck the option to install McAfee Security and click on ‘Install Now’. 3. Save the setup file to your desk top. 4. Double click on the setup file & click on Run to execute it. 5. Select the option ‘Never check for updates’ and click ‘Next’ to continue. 6. Once the installation is complete, you’ll get the below confirmation message. Click here to watch youtube video tutorial, step by step procedure how to download adobe flash player- Learn how to install adobe flash player how to download adobe flash player- Learn how to install adobe flash player