Glossary G-P

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Garbage: Garbage is a data that has been placed in RAM space that is obtained from the operating system and is no longer needed. Read here...

GIF: GIF, Graphic Interchange format is a compressed file format for bit mapped images that are designed to be used over internet. Read here to know more…

Google Nexus: Google Nexus is a line of Smart phone devices using the Android operating system developed by Google. Read more…

Graphics Card: A graphics card is a device installed in a computer that consists of a graphics processing unit designed to help process and display images, especially 3D graphics..

GRUB: GRUB stands for GRand Unified Bootloader is a bootloader package that is developed to support multiple OS and allow the user to select one during boot-up.

GUID Partition Table: The most recent type of partitioning introduced is GUID (Globally Unique Identifiers for Devices) which differs from other partition style used in BIOS era. Know more…

Growth Hacking: Objective of growth hacking is experimenting across marketing and product development channels to know which is the most effective way to grow business...


Hacking: Hacking is a real threat or unethical ways to gain access to the confidential data stored on your computer, laptop, credit card, bank statements, business information and many others

Hard Disk Drive: The hard disk drive is the place where all your data and programs are stored even when your computer is turned off.

Hard Drive Sector: Sector is the sub-unit of hard drive Track. Each sector stores fixed amount of data, which is usually as 512 bytes or 2048 bytes per sector.

Hardware: Computer hardware are the physical components of a computer like hard drive, motherboard, CPU, monitor, printer, mouse, keyboard, etc.

HDCP: HDCP is a type of system in Mac which avoids recording of videos from unauthorized users and devices..

HTML: Html is a markup language that is used in creation of the web pages and is written in the form of small elements consisting of HTML tags that are stored in .html file format.

HFS+: HFS plus or HFS + is a file system developed by Apple Inc. HFS plus is also referred to as Mac OS Extended, which is an improved version of the Standard Hierarchical File System (HFS).

HFSX: HFSX is the advanced version of HFS file system that is used for organizing files on a Macintosh hard disk.

Hierarchical File System (HFS): Hierarchical File System (HFS) is the file system used by Mac Operating System and developed by Apple Inc. HFS is designed to work on floppy, CD-ROMs and hard disk drives.

Host: A host is a system that is connected to computer network that shares information and other services with computer user or other nodes on the connected network.

How hard drives work: Hard drive is a part of the computer which acts as a secondary storage device. Hard disks contain rotating disc which are coated with magnetic material and fuctions well to read / write data.

Hybrid Drive: Hybrid hard disk drive is a storage device that contains the features of both the hard drive and the Flash memory cache.

Hybrid Application: Hybrid application is one that combines elements of both native application and web application.

Hot Spot: Hotspot is a specific location that provides internet connection via wireless local area network.


iCloud: iCloud is online storage that works on cloud computing technology; Allows you to upload and store data online which can be accessed through various registered devices…

IDE Hard Drive: IDE or Integrated Drive Electronics is the most common way of establishing interface with the storage devices like hard disks, in computer. IDE was the original name of what we know better as PATA (Parallel ATA).

IDE Interface: Integrated Drive Electronics interface is the expansion for IDE interface. It is also known as ATA (Advanced Technology Attachment). These interfaces connect a mass storage device with the controller device. Mass storage devices refer to hard drives, optical drives, USB devices etc and the controller refer to a motherboard.

iDisk: iDisk was file hosting service introduced by Apple Inc to all MobileMe members to upload their files online. Read more…

IEEE 1394 drive: IEEE 1394 drives uses IEEE 1394 serial bus interface developed by Apple, for transferring data at a high speed. The IEEE 1394 interface is also known as i.LINK and Lynx by Sony and Texas Instruments respectively.

iLife: iLife is a application software that is developed by Apple Inc, for organizing, editing, and publishing pictures, music files.

iMac: The iMac is a range of all-in-one Macintosh desktop computers which has been designed and introduced by Apple Inc.

Inside Hard Drive: Once a hard drive's case is uncovered, inside it, the physical components found are platter, spindle, spindle motor, actuator arm, etc.

Interlaced Video: Interlaced video is a technique for doubling the perceived frame rate of a video display without consuming extra bandwidth.

iPad: iPad is a handheld tablet PC from Apple, which has been designed to support both the smartphone users and the laptop users. [Continue Reading]

iPhone: iPhone is a Smartphone that is developed and marketed by Apple, which combines the features of an iPod, a tablet PC, a digital camera and a phone with Internet browsing and networking capabilities.

iPhoto Library: iPhoto Library is a Mac application to keep your photos, music, albums, etc. organized and synched. Multiple libraries can be created and managed with iPhoto Library Manager.

iPod: iPods is portable media players by Apple Inc, popular for crystal sound clarity and added multi-functionalities

iPod Classic: iPod Classic is basically used for listening songs, watch movies, TV shows, play games and to share photos. It has a genius feature which itself creates a playlist of great songs with the similar once which we were are listening.

iPod Mini: iPod Mini is the smallest iPod model that was developed by Apple Inc. It is the Apple’s mid-range product that could store 4 GB to 6GB of media files

iPod Nano: iPod Nano is a multi-touch media player with many other attractive features. The current iPod Nano belongs to sixth generation and has 8GB or 16GB capacity.

iPod Shuffle: iPod Shuffle is the device used to store hundreds of songs. It is a digital audio player designed for music lovers, and is portable i.e. Can be carried to any place and even can hear songs even while travelling. Read More…

iSCSI: iSCSI (also known as Internet Small Computer System Interface) is protocol for transporting requests and responses over an IP network between the client and an iSCSI - enable drives

iTunes: iTunes can assist you in organizing, managing, playing your favorite music, movies, and many more on your Mac OS X or Windows systems and also on iPods or your iPhones. To get additional details, see here…

Internet: Internet is an interconnected system of networks that connects numerous computers around the world via a dedicated network protocol. 


Jaz Drive: Iomega Jaz drives were removable media storage unit, developed in 1995. These were used as external as well as internal units till 2002, after which its use was discontinued.

JPEG: JPEG is an acronym for Joint Photographic Expert Group. It is an Standard computer file format used for images in a compressed form using Lossy compression technique.

Journals: Journal file is a special type of files that records and stores all the updates made to the file, which can be used to restore data in cases of hard drive crash, switching off the system suddenly and in many other disastrous situations. Read here…


Kernel: Kernel is a central component of an operating system that provides inter-process communication between the user applications and the computer hardware such as CPU, memory and the other devices...

Keynote: Keynote is presentation software developed by Apple for its Mac based devices that comes as part of iWork productivity suite...


Laptop Driver: Laptop driver is a software that allows the laptop to communicate with the connected devices such as video card, sound card, printer etc.

Live USB: Live USB is just a USB flash drive or a USB external hard disk that can be used to store the operating system and launch or boot the PC with this..

Log File: Log file is a file that holds all the details about the commands given to the computer for over a period of time which is very useful as a security measure...

Logical partition: A physical hard drive can be partitioned into multiple logical partitions that can be utilized to manage and organize the data and each hosting a separate operating system.


MacBook Air: MacBook Air is a series of ultra-portable Mac notebook and laptops that are ultra-thin, lightweight and included with long lasting battery life. Read here…

MacBook Pro: The MacBook Pro is a line of Macintosh portable computers introduced by Apple Inc., that offers fast performance, sharp display and sleek design.

Mac Finder: Mac Finder is the default file manager used on Mac operating system and it provides a graphical view of the file system and the devices used in Mac.

Mac iWork: Mac iWork is an integrated office suite developed by Apple for its Macintosh users, that include Pages, spreadsheet and Keynote apps. Read more...

Mac Mini: Mac mini is a tiny computer with enormous capabilities, which can be connected to almost any large display screen and numerous peripheral devices.

Mac Mountain Lion: Mac Mountain Lion is one of a robust operating system, which is specially introduced for Macintosh computers, and it is a ninth major release of OS X.

Mac OS X: Mac OS X now better known as OS X is one of the world’s most advanced and robust operating system, designed especially to run on Apple hardware.

Mac OS X v10.1: Mac OS X v10.1 is also known as Puma and is the second major release of Mac OS X, Apple’s desktop and server operating system

Mac OS X v10.2: Mac OS X v10.2 is called as Jaguar and it is the third major release of Mac OS X, Apple’s desktop, and server operating system.

Mac OS X 10.6: Mac OS X 10.6, also known as Snow Leopard is one of the major Mac OS. It was released on August 28, 2009, with imporoved performance and enhanced efficiency.

Mac OS X Leopard: Mac OS X Leopard is released on October 26 and it is the sixth major release of Mac OS X, Apple’s desktop and server OS for Macintosh systems.

Mac OS X Lion: Mac OS X Lion is the eighth major release of Mac OS X and it is introduced many developments with respect to Apple iOS.

Mac OS X Panther: Mac OS X Panther is the fourth major release of Mac OS X and released on October 24, 2003

Mac OS X Tiger: Mac OS X Tiger is the fifth major release of Mac OS X, Apple desktop and server operating system for Macintosh systems

Mac OS X Yosemite: Mac OS X Yosemite is the eleventh major release of Mac OS X; designed with many new features and redesigned icons with respect to Apple iOS...

Macros: Macro is a symbol or a keyboard shortcut that represents a series of actions, commands and keystrokes used to format documents or even execute vba code.

Mac Terminal: It is a program included with all versions of Mac OS X. Mac Terminal is located in the Utilities folder within the Applications folder which can be used to send commands to Mac by typing text instead of using mouse.

Mac Trash: Mac Trash is the folder that stores the items deleted by the user temporarily, in a Mac computer.

Malware: Malware is a class of harmful software that is written with the intent to access the computers or network without the user’s permission and cause damage or delete data.

MBR: MBR or Master Boot Record is the small program that is stored at the begining of the hard drives. This code is executed when the system boots up.

Memory Card: Memory card is portable flash data storage devices used for easy, fast and reliable storage and transfer digital files. These are available in various types, storage capacities and transfer speeds.

Memory Dump: Memory dump is a process that records the state of the memory of a computer program during a specific event like when the program has terminated abnormally (crashed), during system crash etc.

Memory Stick: Memory sticks are data storage devices which are used in various portable devices. These offer blazing-fast transfer rate and are available in different storage capacities.

MicroSD: MicroSD cards are the removable flash memory cards, which can store any media data like images, videos and audio files etc. it uses Flash memory that can store the data even when there is no power supply. Read More…

Microsoft Access: Microsoft Access is a unique tool from the Microsoft Office Suite, which provides the functionalities of a database and programming capabilities that creates end-user screens. Read more…

Microsoft DirectX: Microsoft DirectX is a set of multimedia APIs developed by Microsoft that offers predefined commands and functions to create graphic images and multimedia effects.

Microsoft Office: Microsoft Office is a set of applications for desktop referred as Office Suite collectively. Some of its products and applications include Microsoft Word, Excel sheets, PowerPoint presentations, Outlook and many more…

Microsoft OneNote: Microsoft OneNote is a free-form note taking software used for gathering information and organizing it as a digital notebook that supports multi-user collaboration. Read here…

Microsoft Outlook: Outlook is a fully fledged Microsoft's e-mail client, with advanced attributes like Calendar, Tasks, Journals, Contacts, Notes, Alerts and more

Microsoft Outlook Express: Microsoft Outlook Express is an email client which comes with Internet Explorer versions 4.0 through 6.0. Outlook Express is also bundled with different versions of Microsoft Windows like Windows 98, Windows 2000 and Windows XP.

Microsoft PowerPoint: Microsoft PowerPoint is a Presentation software which is used to made slides for business purposes, school projects, training sessions and many others for presenting information to the related topic. Read More…

Microsoft Security Essentials: Microsoft Security Essential is a Windows Antivirus software product that provides security against more types of malware such as computer viruses, Trojan horse….

Microsoft Surface: Microsoft Surface is the series of tablet computers developed by Microsoft, which is a thin design, featuring magnesium enclosure, integrated kickstand etc.

Microsoft Visio: It is a diagramming and vector graphics application and is also the part of the Microsoft Office Suite, which is produced by Shapeware Corporation.

Microsoft Visual Studio: Microsoft Visual Studio is an integrated development environment that used to develop console and Windows applications. Know more..

Microsoft Windows: Microsoft Windows is world most popular graphical operating systems. The first version of MS Windows was Windows 1.0 developed in 1985.

MiniSD: MiniSD - Secure Digital is a non-volatile small portable memory card, which is widely used in mobile phones, digital cameras and tablet computers etc.

MFT: MFT or Master File Table is a file in NTFS file system, which stores details of files and folders like size, time and date stamps, permissions, and data content, etc.

MKV Files(Matroska): MKV stands for "Matroska Video" and is a container file format that can hold more number of audio, video and subtitle, along with other metadata information. Learn more…

Mobile Phone: Mobile phones are the portable and hand held telephone that connects the network over radio wave transmission.

Motherboard: A motherboard is the central printed circuit board (PCB) in many modern computers and holds many of the crucial components of the system, while providing connectors for other peripherals.

MOV File: MOV is a QuickTime media container format used to store movies and other video clips, developed by Apple Inc. that is compatible on both Macintosh and Windows systems. Read here…

MPEG File: MPEG files are media files with a loosy compression standard for both audio and video files and was introduced to compress the videos of very high quality.

Multimedia Card - MMC: Multimedia Card (MMC) is one of the commonly known storage device which uses flash memory. The size of multimedia card varies from 24 mm × 32 mm × 1.4 mm

Mobile Security: Protect your Laptops, tablets, Smartphone’s and other external storage devices from theft or viruses.


Nexus-7: Google supported by Android operating system powers Nexus 7 tablet and smartphone with advanced features include display, processor, camera, battery, memory, connectivity, etc

Non Bootable Disk: Non bootable disk is nothing but a device storage that has a file system to store any kind of data in it. It doesn’t have any operating system or utility programs that can initiate a normally configured PC. There are no certain boundaries or limits for non bootable disks as of in bootable disks. Any storage drive of any brands can be a non bootable disk.

Nook Tablet: Nook tablet gives you the highest resolution found in any of its prior offerings and makes comic books, magazines and hi-definition video look amazing..

NoteBook: A Notebook is an extremely lightweight PC and can typically weigh less than 6 pounds. Go through the link to know more…

Notepad++: Notepad++ is a powerful text editing and source code editing package that supports several languages to be coded and edited under Windows environment.

NTFS : New Technology File System or NTFS is the file system which was introduced with Windows 2000 and Windows NT 3.1. NTFS is better than the antecedent file systems as it restricts user access, provides more security, better performance and more.

NTFS5 : NTFS5 is the advanced version of new Technology File system, which was initially released to support Windows NT and above operating systems. In addition to NTFS features it has many other features. Know more…

Near Field Communication : Near Field is a short range wireless technology between two devices, know how it works and simplifies transaction the transaction process.


OpenOffice: OpenOffice is an open source Office suite designed by Apache that includes various office productivity tools such as word processing, spreadsheet, presentations, graphics and many more.

Operating System: The operating system is a set of standard programs which are designed to control and coordinate hardware use of a computer. Operating system allocates resources as requested by the computer programs or peripherals.

Optical Drive: An optical drive is a type of system disk drive that can easily reads and writes information from optical disks through laser beaming technology.

OST file: Offline Storage Table (OST) is used to store inbox mails, calendar and other things that are delivered and saved on the Microsoft exchange server. It is built in a way that the user can configure a OST file from Outlook.

OS X Mavericks: Apple OS X Mavericks is tenth major release, 10.9 version of the second-generation Macintosh computer operating system that includes features like iCloud keychain, iBooks, Maps etc.

Outlook Web Access: Outlook Web Access is a web-mail client that allows user to access their mailbox through web browsers like Firefox, Internet Explorer, Safari and many more...


Partition Boot Sector: Hard drive is the main storage area of data which is further divided into number of partitions. Every partition contains its own volume boot sector. Volume boot sector is different from master boot sector which controls the entire hard disk, but similar in functionality, this concept is also known as boot volume record or partition boot sector.

Parallel Desktop: Parallel Desktop is a software designed by Parallel Inc. that assist in running other OS like Windows , Linux and others on Intel powered Mac OS X...

Partition Table: Partition table is one of the numerous components of the master boot record and includes an evocative information about the partitions available on hard disk includes their types and sizes.

PDA: A Personal Digital Assistant (PDA) is a mobile device that functions as a personal information manager, which can function as a phone, browser, personal organizer etc.

PDF: PDF is a computer file format for electronic exchange of documents, created by Adobe for saving documents of multiple formats like images, graph, hyperlinks, text and many more.

Pen Drive: Pen Drive is a small storage device which is used to store / transfer / backup files like documents, music, photos, video etc.

Photo Library: Photo library is a collection of photos, using which you can view, edit, save your photos easily. For More information read here...

Picasa: Picasa is photo organizer and viewer for organizing and editing digital photos and is used to share photos online.

Pixel: Pixel stands for Picture Element, is a small element in image or display which are arranged in matrix form of continuous columns and rows to make an image…

Plug and Play: Plug and play devices are those that work or get recognized instantly whenever they are connected to computer.

PNG: PNG is a bitmapped image format which employs lossless data compression and palette-based images, greyscale images, full-color non-palette based images etc. Know more…

Portable hard drive: Portable hard drive is a hard drive located outside the computer that allows you to store the backup copy of your hard drive data and acts as an additional storage space.

PPT file: PPT file is a popular PowerPoint file format used for preparing presentation slides shows. One can easily add pictures, videos, sounds and many others on these files. See more…

Prevent Data Loss: Data loss is a common issue for computer users around the globe. There are certain procedures which can be followed to prevent loss of data from external devices.

PSD File: PSD file is a layered image file used in Adobe Photoshop. PSD stands for the Photoshop Document & is a native format for Photoshop used for editing images.

PST file: Microsoft Outlook stores all your Outlook related items including your emails, contacts, calendar, notes and many others in a single file called as PST file. Read here to know more…

Power Cycling: Power Cycling is a technical way of turning off the device or electrical hardware and again turning on.

PlayStation VR: PlayStation VR is the virtual reality head-mounted display developed by Sony Interactive Entertainment and the new member of the PS4 family. Read this page to know more about PSVR...

Phishing: Phishing is a fraud process of collecting personal details like passwords, credit card numbers, bank account number and so on.

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