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What Does Bluesnarfing Mean? Techopedia Explains Bluesnarfing Bluetooth-enabled devices are vulnerable to bluesnarfing attacks when in discoverable mode because hackers can respond to queries from other Bluetooth-enabled devices, thus gaining unauthorized access to information. Most mobile phone discovery modes are activated by default. Unless the mode is deactivated, a device is susceptible to bluesnarfing attacks. The only way to fully protect a wireless device against bluesnarfing is to turn off Bluetooth....

What Does Container Mean? Container, in the context of Java development, refers to a part of the server that is responsible for managing the lifecycle of Web applications. The Web applications specify the required lifecycle management with the help of a contract presented in XML format. The Web container cannot be accessed directly by a client. Rather, the server manages the Web container, which in turn manages the Web application code....

What Does Desk Accessory (DA) Mean? A desk accessory is a small application to be run in a desktop environment to help users with some task. Desk accessories were more common in environments that had limited multitasking, but have become less important as modern systems have preemptive multitasking. Desk accessories still exist in some form on modern systems. Techopedia Explains Desk Accessory (DA) Desk accessories are small programs that perform some task, such as a calculator or a notepad....

What Does Disk Defragmentation Mean? Defragmentation is the process of consolidating fragmented files on the user’s hard drive. Files become fragmented when data is written to disk, and there is not enough contiguous space to hold the complete file. Storage algorithms break the data apart so that it will fit into the available space.The process of defragmentation moves the data blocks on the hard drive around to bring all the parts of a file together....

What Does Document Management Mean? Document management is the process of storing, locating, updating, and sharing data for the purpose of workflow progression and business outcomes. Centralized sharing and data storage within specific servers help organizations access information efficiently and effectively, along with securing protected data. Programs and servers are used in the process of document management. Important metadata is centralized, as opposed to decentralized or difficult to locate. Techopedia Explains Document Management By containing data on a shared server and within shared files, document management permits only authorized users to edit and add data to already existing data....

What Does Dotted Decimal Notation Mean? Dotted decimal notation is a system of presenting numbers that is a little different from the common conventions in arithmetic as it is taught in schools. Specifically, dotted decimal notation is used in various IT contexts, including in Internet Protocol addresses. Techopedia Explains Dotted Decimal Notation At its core, dotted decimal notation is just another way of recording and displaying a big number. It is a particular method of notation that can replace “octets” or sets bytes (eight individual bits) in machine language....

Dual-channel RAM is one version of multi-channel memory. All the versions of multi-channel RAM increase data transfer speed by adding more channels of communication between the memory and the memory controller. How does multi-channel RAM work? The RAM on the memory module communicates with the rest of the computer through the memory controller on the central processing unit (also known as a CPU or a processor) using a bus. Some memory controllers have multiple channels for communication with the memory module....

What Does Federal Desktop Core Configuration (FDCC) Mean? The federal desktop core configuration (FDCC) defines a set of mandatory configuration requirements for the Microsoft Windows XP pro and Windows Vista operating systems to be used on desktop computers that are connected to a network of a United States government agency. The main purpose of the FDCC mandate is to build a strong federal IT security and minimize the exploitation risks by the hackers on the government computer systems....

What Does Flight Mode Mean? Flight mode is a setting on a mobile phone or wireless gadget that disables the device’s signal-transmitting ability but allows for the use of its other functions. As the term implies, the flight mode setting is typically engaged for safe use on an airplane where activities that require signal transmission are forbidden. A passenger using a device in flight mode is unable to place or receive calls and text messages but can still make use of the gadget’s other functions such as games or an MP3 player....

What Does Hyperscale Computing Mean? Hyperscale computing refers to the facilities and provisioning required in distributed computing environments to efficiently scale from a few servers to thousands of servers. Hyperscale computing is usually used in environments such as big data and cloud computing. Also, it is generally connected to platforms like Apache Hadoop. Techopedia Explains Hyperscale Computing The following design elements are discontinued in hyperscale computing: The hyperscale computing architecture is available in the form of a single unit, which makes use of converged networking, a blend of network-attached and local storage, or as management software incorporated in a modest form factor....

What Does IEEE 802.1X Mean? IEEE 802.1X is a standard component of the IEEE 802.11 network protocol group established by the Institute of Electrical and Electronics Engineers (IEEE). IEEE 802.1X adheres to IEEE 802.11 protocols to enhance wireless network security. Techopedia Explains IEEE 802.1X IEEE 802.1X supports multiple authentication methods, such as token cards, public key authentication and certificates. Extensible Authentication Protocol (EAP) simplifies interoperability and compatibility through EAP over local area network....

What Does IPv6 Over Low-Power Wireless Personal Area Networks (6LoWPAN) Mean? Internet Protocol Version 6 (IPv6) Over Low-Power Wireless Personal Area Networks (6LoWPAN) refers to the use of contemporary Internet protocols in diverse types of hardware. References to 6LoWPAN relate to the tagging or design of different types of limited hardware in order to facilitate their participation in the Internet of Things (IoT) or a diverse IP-connected network. Techopedia Explains IPv6 Over Low-Power Wireless Personal Area Networks (6LoWPAN) IPv6 is the latest Internet protocol edition and was developed by the Internet Engineering Task Force (IETF), which now devotes its attention to 6LoWPAN....

What Does Master Data Management (MDM) Mean? Master data management (MDM) is the management of specific key data assets for a business or enterprise. MDM is part of data management as a whole, but is generally focused on the handling of higher level data elements, such as broader identity classifications of people, things, places and concepts. Techopedia Explains Master Data Management (MDM) Some theories of business management begin with the master data, valuable data units that can be linked to other data in various ways....

What Does Packet Loss Mean? In a packet-switched system, packet loss refers to the amount of data (number of packets) that fails to arrive at its intended destination. Network administrators consider this metric when looking at the efficacy and performance of data systems. Techopedia Explains Packet Loss Some administrators look at packet loss while doing different types of network monitoring or testing, but it can also be apparent to end users when significant loss is experienced....

What Does Palo Alto Research Center (PARC) Mean? Palo Alto Research Center (PARC) is a research and development company in the field of computer engineering, information technology and its related services. Palo Alto Research Center has contributed to various notable innovations in the field of laser printing, computers, object oriented programming techniques, networks and computer hardware platforms. PARC was formerly known as Xerox PARC. Techopedia Explains Palo Alto Research Center (PARC) Palo Alto Research Center was founded in 1970 and is operated by Xerox Corporation....

What Does Polylactic Acid (PLA) Mean? Polylactic acid (PLA) is a type of plastic that is used in building models and prototypes of solid objects and components. It is a thermoplastic polyester that serves as the raw material in 3-D printing or additive manufacturing processes and applications. Polylactic acid is also known as polylactide acid. Techopedia Explains Polylactic Acid (PLA) Polylactic acid is primarily created using renewable or green sources such as sugar cane, starch and corn....

What Does Route Control Mean? Techopedia Explains Route Control A routing control mechanism is composed of hardware and software, which monitors all the outgoing traffic through its connection with the Internet service providers (ISPs), and helps in selecting the best path for efficient delivery of the data. This switching is performed when the routing control calculates the performance and efficiency of all the ISPs and selects only those that have performed optimally in these areas....

What Does Client-Server Model Mean? The client-server model is a distributed communication framework of network processes among service requestors, clients and service providers. The client-server connection is established through a network or the Internet. The client-server model is a core network computing concept also building functionality for email exchange and Web/database access. Web technologies and protocols built around the client-server model are: Hypertext Transfer Protocol (HTTP) Domain Name System (DNS) Simple Mail Transfer Protocol (SMTP) Telnet Clients include Web browsers, chat applications, and email software, among others....

What Does Turnkey Cloud Mean? Turnkey cloud is a cloud product, service or solution that can be quickly deployed and used within most IT and/or cloud environments. It is a pre-developed, pre-tested and certified solution of any or a combination of cloud service models that can be instantly provisioned or used. Techopedia Explains Turnkey Cloud Turnkey cloud primarily helps businesses quickly migrate or leverage a functionality or service from the cloud....

What Does Undervolting Mean? Undervolting is a process through which voltage to computer processors and components is decreased dynamically on run-time. It is a process within dynamic voltage scaling that enables conserving electric voltage to reduce energy consumption and heat produced by computing components. Techopedia Explains Undervolting Undervolting is primarily implemented in devices that have limited electrical supply and are powered by a battery, such as laptops and mobile devices. Typically, undervolting is managed through software based power management utilities....