Computer Knowledge
Computer File Systems
1,516 Questions
Computer file systems dictate how data is stored, organized, and retrieved on storage devices. Important concepts include file allocation tables, access mechanisms, and various formats like sequential and video files. Candidates preparing for banking and government exams should practice these fundamentals thoroughly.
File access mechanismsVideo and password filesFile extensionsFile allocation tableSystem metadata
Computer File Systems Questions
C
Correct answer
Explanation
The .ppt extension is the traditional file format for Microsoft PowerPoint presentations (versions 97-2003). This binary format was replaced by .pptx in Office 2007, but .ppt remains a recognizable extension for PowerPoint files. Note: Option C has a slight typo with .ppt instead of just .ppt, but it's clearly intended to be the correct answer.
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Alumnous files
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Files Rembered
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Long see files
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The Ex-files
D
Correct answer
Explanation
L&T named their alumni database 'The Ex-files' as a clever play on words - referring to former employees ('ex') and the popular paranormal TV show 'The X-Files'. The other options don't match L&T's actual naming convention.
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blankspace viruses
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cavity viruses
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gap viruses
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XSS Worm
B
Correct answer
Explanation
Cavity viruses infect executable files by inserting their code into unused spaces (cavities) within the file, which means they don't change the file's overall size. This stealth technique helps avoid detection based on file size changes. The other options are either made-up terms or unrelated attacks (XSS Worm is a web vulnerability, not a file virus type).
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Image file
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Winamp playlist
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Animation/Movie file
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Audio file
D
Correct answer
Explanation
WAV (Waveform Audio File Format) is a standard audio file format developed by Microsoft and IBM. It stores uncompressed audio data and is commonly used for high-quality audio on Windows systems. Image files use extensions like .JPG or .PNG, Winamp uses .M3U playlists, and video/movie files use .AVI or .MP4.
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Image File
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Adobe Acrobat File
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Compressed Archive file
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MS Office Document
A
Correct answer
Explanation
PSD is the proprietary file format for Adobe Photoshop, the industry-standard image editing software. It stands for 'Photoshop Document' and stores layers, masks, and other image manipulation data. Adobe Acrobat files are PDFs, compressed archives use .ZIP or .RAR, and MS Office documents use extensions like .DOCX or .XLSX.
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Image File
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Audio File
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Animation/Movie File
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MS Office Document
C
Correct answer
Explanation
MOV is a file extension for the QuickTime multimedia format developed by Apple, used for storing and playing video and animation files. It can contain multiple tracks for audio, video, and text. Image files use .JPG or .PNG, audio files use .MP3 or .WAV, and MS Office documents use .DOCX or .PPTX.
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System File
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Image File
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Animation/Movie File
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Active server page
B
Correct answer
Explanation
.PSP is the file extension for PaintShop Pro, a popular image editing software. It stores layered image data and is specifically used for raster graphics, making 'Image File' the correct category. System files use extensions like .SYS or .DLL, while movie files use .AVI, .MOV, or .MP4.
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Windows shortcut file
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Hypertext related file
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Temporary file
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Image file
A
Correct answer
Explanation
.LNK is the standard file extension for Windows shortcuts. These are small files that point to another file or program location on the system, allowing quick access. They are not hypertext files, temporary files (which use .TMP), or image files.
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Image File
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True Type Font
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Audio File
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Programming/Script Related File
B
Correct answer
Explanation
.TTF stands for TrueType Font, a widely used font format developed by Apple and Microsoft. It contains outline font data for displaying text on screens and in print. It is not an image file format (like .JPG or .PNG), audio file (.MP3), or programming file (.PY, .JS).
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Icon
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Audion File
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Animation/Movie File
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Image Color Matching Profile File
A
Correct answer
Explanation
.ICO is the standard file extension for icon files used in Windows operating systems. These files contain small bitmap images at multiple sizes and color depths. Option D 'Image Color Matching Profile File' refers to .ICM files, not icons. Audio files use extensions like .MP3 or .WAV.
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MS Encarta Document
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Temporary File
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MS Fast Find File
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Programming/Scripting Related File
D
Correct answer
Explanation
.PHP is the file extension for PHP (Hypertext Preprocessor), a server-side scripting language used for web development. PHP files contain programming code that executes on web servers to generate dynamic content. They are not MS Encarta documents (.EZT), temporary files (.TMP), or Fast Find files (.FFL).
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History File
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Image File
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Compressed Archive File
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Audio File
A
Correct answer
Explanation
.HST is a history file extension commonly used by browsers to store browsing history and visited web pages. It is not related to images, compressed archives, or audio files.
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Image File
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System File
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Compressed Archive File
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Programming/Scripting related File
D
Correct answer
Explanation
.CC is commonly used for C++ source files (programming/scripting). It is not an image, system file, or compressed archive. The extension indicates source code.
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System File
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Image File
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MS Office Document
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MS Encarta Document
B
Correct answer
Explanation
.AI is the file extension for Adobe Illustrator files, which are vector image files. It is not a system file, MS Office document, or MS Encarta document.