Glossary Q-Z

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QuickTime Player: QuickTime is an excellent multimedia player, used as default application for playing audio and videos on Mac operating system.


RAID: RAID is a way of storing same data on different places of multiple hard disks. The distribution of data is done with several levels, depending on the performance and redundancy levels. See more…

RAID 5: RAID 5 uses block-level striping with distributed parity. It distributes parity along with the data and requires all drives but one to be present to operate; the array is not destroyed by a single drive failure. RAID 5 requires at least three disks.

RAM: RAM is a computer storage location that allows faster storage and access to data in a random order from your computer memory. Read more…

Ransomware: Ransomware is a dangerous malware that restricts user from accessing computer by taking control of it. It can also lock your computer, stop apps from running, encrypt the document stored in the system.

RAW Data: Raw data is a type of data that is referred to the data that hasn’t undergone thorough processing, either manually or through automated computer software.

RAW Drive: Raw drive refers to accessing the data on the hard drives at the byte-level without using the file system. Read here to get more info...

RAR File: RAR File is a compressed file format to reduce the file size to minimize the storage space & ease file transfer, RAR archive is a collection of compressed files.

Raw Images: Raw images are undeveloped digital negatives generated by image sensors. The digital image files cannot be printed or edited directly, as these are unprocessed and hence are called “raw” images.

Recycle Bin: Windows Recycle Bin is a temporarily folder for storing files deleted from Windows computer.

Recovery Mode: In order to put your iOS devices in recovery mode and perform the restore operation, check out this tutorial...

ReFs: Resilient File System is the new local file system developed in the intent of maximizing data availability and protecting the data at the time of crucial system errors. Its released with Windows server 2012.

Reformatting: Reformatting a hard drive means deleting the previously available data and information in the drive. Additionally the memory table will be cleaned for the new upcoming file operations & file system can be changed.

Remote Access: Accessing any computing devices remotely for data resources & information sharing is called remote access; reliable virtual communication bridge is established during remote accessing..

ROM BIOS: BIOS is abbreviated from Read Only Memory Basic Input Output System. The BIOS contains a program to control the hardware devices like keyboard, hard drives, display devices, serial communication components and plug and play devices (PnP) like add on cards. Since it is the first program to be executed, it is stored in ROM where the data are written at the time of manufacturing.

Rooting: Rooting is a process involved in Android OS which allows users to customize their phone functionality…

Rooter: Routers are physical devices commonly known as intermediate devices which are utilized to share internet access among multiple computers.

Reboot: Reboot is a process of rebooting and reloading your operating system.


Safari Web Browser: Safari is Apple’s web browser that is first introduced from Mac OS X and iOS operating systems and released in 2003. Read more...

Safe Mode: Safe mode is a special way of loading Windows when there is a system critical problem; this is used to troubleshoot Windows and to determine the possible causes of the issues.

SATA: Serial Advanced Technology Attachment is a type of computer busses with serial connectors to transfer data between the mass storage devices and host devices like motherboards. SATA provides high speed, compatibility, scalability and hot swap support over its predecessor PATA.

ScanOST: ScanOST is the repair tool provided by Microsoft Outlook that can be used to check and repair the errors in your OST file. For complete details see here…

Scanpst.exe: Scanpst is the best "Inbox Repair Tool" which helps us to repair corrupt PST file in Microsoft Outlook.

SD card: Secure Digital or SD cards are memory card formats used in small and portable electronic gadgets to provide efficient storage. SD card come different speed, storage capacities and sizes – SD card, miniSD card and microSD card.

SDHC Card: Secure Digital High Capacity (SDHC) is a non-volatile memory card format and it is used in portable devices such as digital cameras, mobile phones and GPS navigation devices.

SDXC Card: SDXC - Secure Digital Extended Capacity is a non-volatile memory card, which provides larger capacity and fast data transfer rates.

Shareware: A shareware program is an evaluation version of a program which is made available to try out and make sure that it meets your needs before buying the software.

SkyDrive: SkyDrive is a file uploading application developed by Microsoft that enable users to store their files and allows access them using any web browser.

SMART: SMART is an industry standard that monitors the device parameters, performance and reports fault conditions in a peripheral device.

Small Web Format: SWF stands for Small Web Format is a proprietary file format used for playing Flash animation files i.e. flash movies and is an extension of Shockwave Flash files.

SmartMedia Card: SmartMedia Card is a type of memory card that consists of a flash memory chip and used in handheld PCs, PDAs, cell phones, digital cameras…

SmartPhone: A Smartphone is an advanced featured phone built upon mobile OS such as Bada, BlackBerry, Android, iOS, Windows etc. Read here more…

Soft Copy: Soft copy is a data that is stored on the computer, which can be read on the screen and are accessible only through the computers. Read here for more details...

Soft Reset: Soft Reset is an act of rebooting or restarting a phone to clear the internal memory of the running programs and to reset the phone to default settings without losing any data…

Sound Card: Sound Card is a device that can be slotted into a computer to allow the use of audio components for multimedia applications. Know more here…

Spyware: Spyware is an application that enables a user to obtain secret data about another's system activities by transmitting data secretly from their hard disk..

SQL Server: SQL Server is database manageme nt system used to provide optimum solution for e-commerce, business and dataware housing. SQL server was developesd by Microsoft.

SSD: Solid State Drive is one of the siblings in hard drive family. The main difference between the traditional HDD and SSD is that the SSD makes use of integrated circuits instead of traditional magnetic disks and no moving mechanical components are present. That ensures speed, large data storage space in considerable physical size, etc.

Storage Device: A storage device is any computing hardware that is used for storing, porting and extracting data files and objects. Read here..

Subrip: Subrip is the most popular subtitle ripping software that facilitates its users to modify and extract the subtitles from movies and encode back into movie.

Super Drive: Apple Inc. introduces Super Drive term for two different storage devices such as high-density disk and floppy drive. Click on link to know more..

System Boot Order: System boot order is the order of the devices from which the system will try to boot from when looking for the OS files.

System Restore: System Restore is a process of rolling back all your system files, registry keys and other files to the initial settings or to the previous restore points…

System Software: System software is computer software developed to manage and control the system hardware and to offer a platform for running application programs in your system


Tablet Computer: Tablet computers is a kind of mobile computers, that usually have a touchscreen or pen-enabled interface and use a stylus pen to access or process information

Tape Drive: Tape drive is a small storage device which is also called as tape backup. Tape drive can be used both as an internal or external drive to save information like documents, music, video, audio etc.

Target Disk Mode: Mac OS X consists of a very useful boot utility called Target Disk Mode, which allows user to transfer huge amount of data from one Mac to another Mac, via a Thunderbolt or FireWire connection.

Tethering: It is the mechanism that allows user to connect device to other gadgets like Smartphone, Tablet, etc. for sharing internet connection.

Temp Files: Files that contain the .tmp extension and are used or created by variety of different computer applications to contain temporary data for different purposes...

The Apple Menu: Apple Menu bar is a feature of Apple Mac OS, comes up with the drop down item on the left hand side of the menu bar appears as a rainbow apple.

Thumb drive: The thumb drive is a portable storage device that makes file backup, file transfer easier and allows easy storage of files.

TIFF: TIFF is a short form of Tagged Image File Format. It is a popular file format that is used to store raster and bit mapped images across several computer platforms....

Time Machine: Apple Time machine is an in-built feature that helps in backing up all your data stored on your Mac machines. Read more…

Trash: Trash is a folder on Mac OS which temporarily keeps all the document, photos, music and many more which you delete from your Mac computer.


UltraBook: Ultrabook is a mini notebook computer that is designed to provide high computing functionality with less weight, size and an extended battery life. Read more…

UMS: USB mass storage Class is a set of computing protocols that are designed to make your USB accessible to the computers connected and enables the file transfer process between them...

USB Drive: Universal Serial Bus or USB drives are flash storage devices which provide high speed data transfer. USB drives are best known for data back up units.

USB Flash Drive: USB flash drive is a small portable device, acts as an external hard drive and connects to the computer system with the USB port. USB drive uses flash memory and easy to carry from one place to another for transferring data. USB flash drives vary in their capacity upto 256 GB.

Utility Software: Utility programs, commonly referred as “utilities” are software programs that add functionality to your computer or help your computer perform better.


vFAT: vFAT or Virtual File Allocation Table is used in Windows OS from Windows 95, to support long file names.

VCF Files: VCF files are a popular digital business cards that includes basic contact information such as address, phone number, email address, picture, name, etc.

Virtual Memory: Virtual memory is also called as imaginary memory that is used to enlarge allocated memory address space. Learn more…

Volume Header: The Volume header is an index table that contains information about hard drive Volumes that works on its own individual file system. Using this information, the BIOS and the operating system will traverse the Volumes of hard drives for data.

VPN: VPN (Virtual Private network) is a type of network that extends your private network across public network, usually Internet.


WAV File: WAV is a Waveform Audio File format, refers to a standard format of playing uncompressed audio files that is mainly used on Windows PCs. Read more...

Web Browser: A Web Browser is an application program developed for rendering, receiving, and sending information on the World Wide Web.

WebCam: Webcam is a hardware camera that is connected to a computer, which allows anyone to take digital images and transmit them over internet. Read more...

WhatsApp: WhatsApp is a cross-platform instant messaging subscription service for Smartphone. With WhatsApp user can send each other photos, video, & audio media messages.....get more information

Widgets: A widget is a small program having limited functionalities, which can be installed or can be executed in a web page...

Wi-Fi Hotspot: Wi-Fi hotspot is access point where any user with all access privileges can use the wireless internet easily…

Windows 7: Windows 7 is Microsoft’s operating system, designed for home and business users. It is available in the following six editions as Home Basic, Start, Premium, Professional, Enterprise, and Ultimate

Windows 8: Windows 8 is the latest operating system developed by Microsoft. Windows 8 is a series of next version of Windows OS, released on May 31, 2012.

Windows 8 Hybrid: Windows 8 hybrid PC is a combination of both laptop and tablet computers. It is portable like tablets and come with the keyboard as in laptops.

Windows 10: Windows 10 is a brand new version of Microsoft Windows, which is equipped with extraordinary features that combine different devices onto one platform…

Windows 2000: Windows 2000 is sometimes referred as Windows NT 5.0 as it is based on Windows NT kernel. There are around 29 million lines of code which are written in C++ that is used in Windows 2000.

Windows Task Manager: Windows Task Manager is an application program that displays you the services, programs and processes are running on your computer. Know more…

Windows Phone: Windows Phone is a Microsoft operating system for smartphones, which is the successor of Windows mobile operating system. Click here for more...

Windows Server 2003: Windows Server 2003 is a server Operating system which is manufactured by Microsoft. Windows Server 2003 is also known as Win2k3, it was released on April 24, 2003.

Windows Movie Maker: Windows Movie Maker is a freeware used for editing and creating your own home movies, photo albums and business presentations.

Windows Media Video: Windows Media Video compressed video file format was introduced by Microsoft in 1999 and can be played on various portable video supporting devices.

Windows Registry Key: Windows registry is used to store the configuration settings of Windows operating system in the form of hierarchical database. The keys and value combination required to access the settings stored in the form of directories are called Windows registry keys.

Windows Server 2012: Windows Server 2012 is a latest server OS designed by Microsoft. It redefines the server category by offering hundreds of new flexible features and enhanced support for different platforms.

Windows Virtual PC: Windows Virtual PC is a virtualization application for Microsoft Windows, which allows user to run multiple OS on the same machine. Know more…

Windows Vista: Windows Vista has best built-in accessibility settings and programs that provides a feature to see, hear, and use the computer in your own way.

Windows XP: Windows XP, also known as Win XP, is Microsoft's operating system which was released on 25 October 2001. Windows XP OS can be used on personal, home and business computers, desktops, laptops and media centers

WinZip: WinZip is most useful file archiving and compressor tool for Windows, OS X, iOS and Android developed by WinZip Computing.

Word Processor: Word processor is an application used to process word documents as directed by user; to edit, create, formatting, print and save documents electronically on disk space. Know more..

Wireframe: Wireframes are visualization tools for representing proposed functions, structure and content of a web page. Read on to know more...

WEP: WEP is useful network protocol for IEEE 802.11 wireless network that provides security to Wi-Fi as well as other networks.

Web Application: Web application is a program that runs on a web server. Know more about web app, its working, benefits and so on.


Xbox: Xbox is a sixth generation video game system developed by the Microsoft that includes of series of video game consoles including Xbox One, Xbox 360…

XD Card: Extreme Digital Picture card developed by Olympus and Fuji film in 2002. These are first generation storage devices for digital cameras. The working is same as the SD and other CF cards. Because of the absence of Flash Translation layer and its limited size declined its popularity. The size range of XD card is 16 MB to 2 GB.

XQD Card: The XQD card is just a memory card format introduced by Sony and developed by Compact Flash Association. It uses PCI Express technology interface for data transferring. This PCI express is one of the high-speed data transfers ranging from 125 Mbps to 500 Mbps. It has a very high storage capability and may extend beyond 2 TB in the future.

Xserve: Xserve is a line of rack of computers which can be used as servers, designed by Apple Inc in 2002. The Xserve can be utilized for various applications, including web server, file server and high performance computing applications using clustering.

Xvid: Xvid is a video codec library following the MPEG-4, which is developed by Divx Inc and it is available for a limited number of platforms. Read here to know more…


Zip Drive: Zip drive is portable medium storage disk developed by Iomega. It was originally developed in 100 MB capacity. The later version of Zip drives offered 250 MB and 750 MB storage capacities,primarily for backing up and archiving important files from computer.

Zipx: Zipx file is basically a zip file uses advanced compression and encryption methods to create or open a compressed archive.

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