File extensions are used so that the operating system, or OS, of a computer can recognize the file type. This is the Computer Science Questions & Answers section on & Important File Extensions& with explanation for various interview, competitive examination and entrance test. Computers. 5th - 7th grade. But, the newer versions of Excel save and open XLS files for the sake of compatibility with earlier versions of the program. This seems to be easier to use for average users. Play this game to review Applications. If you are not aware of how important computer file extensions might be to you, it is important that you become a little more aware of what computer file extensions do for you. 0. If you’ve ever opened a document or viewed a picture, you’ve probably noticed these letters at the end of your file. Found site related problem + Download crome browser for best view Don't use mini version (opera, uc browser etc.) Dear Readers, Here goes some important File Name Extensions. Important File Extensions questions and answers of Computer Awareness for private & government jobs, competitive examination and entrance test, interview, online preparation. So having a backup in the cloud is a good idea. Microsoft Word 2003.doc. Which of the following is an image file extension? WordPerfect.docx.doc.txt.wpd. When you are done, just click Apply and OK , … Computer Awareness: 25 Important File Extensions. 268 times. Edit. A shapefile is one of the spatial data formats that you can work with and edit in ArcGIS. Prior to Excel 2007, the default file extension was XLS. Classes. Extensions are important because they tell your computer what icon to use for the file, and what application can open the file. Save. This is a list of file formats used by computers, organized by type. In Windows PCs, file extensions are used by operating systems to recognize what applications are related to what file types. All computer programs are made up of files, and these are generally identified in two parts. So, it is safe to say that an extension helps in stating the kind of file it is. Many are based on the TIFF file format, but with manufacturer-specific variations to accommodate the unique characteristics of a specific camera. This is dangerous as some malicious programs will send executable files with a double extension in order to try to fool you into thinking the file is not malicious. Many operating systems do not limit filenames to one extension shorter than 4 characters, as was common with some operating systems that supported the File Allocation Table (FAT) file system. Solved examples with detailed answer description, explanation are given and it would be easy to understand In general, do not alter the file extension. 22 terms. It indicates the file is a text document. Today there are different types of file extensions that we need to recognize, in order to know which is the most appropriate program to interpret them. For example, the doc extension tells your computer that the file is a Microsoft Word file. Sometimes you can tell by looking at be file itself, as now days certain file types show a particular icon to identify them by. Solved examples with detailed answer description, explanation are given and it would be easy to understand Many Windows 10 users are confused as file extensions can be found in some files not another. A file extension, or file name extension, is the letters immediately shown after the last period in a file name. Solved examples with detailed answer description. It is more important than ever before to be able to safely store and file computer files securely. files <- list.files() dbf.files <- files[-grep(".xml", files, fixed=T)] First line just lists all files from working dir. Most common backup tools will back up a list of files and folders you specify. Most programs automatically add the correct "file extension"—a 3-letter addition to the end of the filename that identifies the type of file to your computer (.doc = MS Word document; .xls = MS Excel). This option should be checked--‘Hide extensions for known file types’. A file extension or a file name is the end letters of a filename that are used to identify the type of data file. Karina_Hernadez. File Extensions are the tags that every data file present inside a computer database has. (2) In DOS and some other operating systems, one or several letters at the end of a filename.Filename extensions usually follow a period and indicate the type of information stored in the file.For example, in the filename EDIT.COM, the extension is COM, which indicates that the file is a command file. A file extension, or filename extension, is a suffix at the end of a computer file. Common File Extensions That Are Stored In A Computer DRAFT. To view hidden file extensions, under Advanced Settings uncheck the box for Hide extensions for known file types. It is very important to know what the file extension is on a file so you will then know what program will open it. Common File Types Common file extensions that are good to know, organized by file format. This is the Computer Science Questions & Answers section on & Important File Extensions& with explanation for various interview, competitive examination and entrance test. The first part consists of the name and the second part of a suffix that marks the file type. Browse 500 sets of computer file extensions flashcards. Computer File Extensions. / Important Computer File Extensions. Use Cases: Use RAW files to store high quality “digital negatives” of important photos directly from your digital camera. For example, the file extension.txt has an extension of .txt. When we discuss malicious files and malware infection, it important to mention the .SFX Self-Extracting archive files that were also used by major malware families to infect computers. There is much more dependence on computer technology and the ability to save information than ever before. System files are very important group of file formats, which are used by computer operating systems. Prettyheart144. 61% average accuracy. 10 months ago. All the windows based computers have .ext files in which .ext denotes files extensions. library contains thousands of file extensions and the database is still growing. The basic function of the extension is to tell the operating system the kind of file it is. A few of the more common file extensions include EXE , DOC or DOCX , XLS , TXT , PDF , and MP3 . Preview this quiz on Quizizz. Study sets. This alphabetical list of filename extensions contains extensions used by multiple notable applications or services. Microsoft Word XML 2007. A file extension or known as filename extension is a suffix at the end of a computer file. For a variety of reasons you should make certain that your computer always shows file extensions. Dear Reader, “file extensions” is an interesting topic under computer awareness section. For example, in the filename "myreport.txt," the .TXT is the file extension. Back Up Your Files, Not Your Full System. Under Windows you can set the system to hide extensions. Edit. Files in Windows can only have one extension, the part after the last dot like for instance file SomeEbook.doc.txt.pdf.epub has an extension epub because everything before the last dot is file name, not an extension. Users Options. File extensions are useful to computer programs and operating systems like Windows or macOS (OS X), and basically telling them, what kind of data and file type they are working with and what associated program opens the file. In this example case the file name is SomeEbook.doc.txt.pdf, its extension being .epub. This topic is useful for bank exams as well as other competitive exams. Administrator Nov 04, 2016 Computer Fundamental Miscellaneous 0 comments. If you want to open a MAC OS X file in Windows, you may need to add the extension to a MAC OS X file name so Windows can recognize it. The main difference between the two is that XLSX is an XML-based open file format and XLS is a proprietary Microsoft format. A computer file extension is commonly a three-character addition that follows the name of a file. 9 terms. Plain Text. (1) An extra feature added to a standard programming language or system. If any of these files are missing or corrupted, the operating system usually doesn't work correctly or doesn't start at all. Which of the following is an image file extension? 0–9. You may get 1 or 2 questions from this topic. File Extension: A file extension (or simply "extension") is the suffix at the end of a filename that indicates what type of file it is. Diagrams. For example, all Microsoft Word documents would have a document looking icon with a big W in the middle of it. To be able to identify a file of a particular type, you will require knowing its extension. However this could be confusing as well. Important Computer File Extensions. For premium access Login / Register. Text Files.log: Log File.wpd: Word Perfect Document.odt:.pages: Pages Document .doc: Microsoft Word Document.docx: Microsoft Word Open XML Document.tex: LaTeX Source … The word extension should be understood in detail. Second one drops everything containing ".xml" (grep returns indices of such strings in 'files' vector; subsetting with negative indices removes corresponding entries from vector). Shapefiles are a simple, nontopological format for storing the geometric location and attribute information of geographic features. Types of Computer File Extensions. Shapefile file extensions. important file extensions computer awareness and computer knowledge questions answers mcq are important in ssc, upsc, ibps and competitive examination and entrance tests - page 2 Method 2: Perform an SFC scan on your computer. @⇒ Short cut notes / rapid fire notes / best theory of Important file extensions ⇒ Computer Engineering Multiple Choice Questions / Objective type questions, MCQs, with question and answers, download free PDF. Refer to the following link: How to use the System File Checker tool to troubleshoot missing or corrupted system files on Windows Vista or on Windows 7 If not checked, you may put a check mark. There are two types of backups you can create. Text Files.DOC: Microsoft Word Document.DOCX: Microsoft Word Open XML Document.LOG: Log File.MSG: Outlook Mail Message.ODT: OpenDocument Text Document.PAGES: Pages Document.RTF: Rich Text Format File.TEX: LaTeX Source Document.TIF: Tagged Image File .TIFF: Tagged Image File Format.TXT: Plain Text File… allain.recorba. Ext. It comes after the period, and is usually two-four characters long. For example, if you store your sole backup drive next to your computer, you’ll lose all copies of your files if your hardware is ever stolen or damaged in a fire. Only those file types that are not associated with some software installed in your computer display file extensions after file names. Microsoft Word 2003. Microsoft Word XML 2007.docx. File extensions used for computer operating systems internal use and which are required for proper and healthy functionality of any operating system. Filename extensions are usually noted in parentheses if they differ from the file format name or abbreviation. f. Reboot the computer and check. The current default file extension for an Excel file is XLSX.