What Does Touch Screen Mean? A touch screen is a computer display screen that serves as an input device. When a touch screen is touched by a finger or stylus, it registers the event and sends it to a controller for processing. Techopedia Explains Touch Screen A touch screen has two main advantages. First, it allows users to interact directly with what is displayed, rather than indirectly with a pointer controlled by a mouse or touchpad....
What Does Validity Check Mean? A validity check is the process of ensuring that a concept or construct is acceptable in the context of the process or system that it is to be used in. for example, in computer systems which revolve around the creation, consumption and manipulation of data, it is very important that all data are correct before processing to ensure that no errors are encountered. A validity check is done on the input data to ensure that it meets the requirements of the system....
What Does Open Document Management API (ODMA) Mean? An open document management API (ODMA) is an open source framework and interface that allows desktop users to store, retrieve and manage documents from a document management system (DMS). It enables the collaboration, operation and exchange of data between different users, the DMS or DMS server. Techopedia Explains Open Document Management API (ODMA) ODMA was created to provide a standardized framework and environment for DMS based applications and services....
What Does Android SDK Mean? The Android SDK (software development kit) is a set of development tools used to develop applications for the Android platform that has become Apple’s biggest rival in the smartphone space. The Android SDK includes the following: Techopedia Explains Android SDK Every time Google releases a new version of Android, a corresponding SDK is also released. To be able to write programs with the latest features, developers must download and install each version’s SDK for the particular phone....
What Does Anonymity Network Mean? An anonymity network enables users to access the Web while blocking any tracking or tracing of their identity on the Internet. This type of online anonymity moves Internet traffic through a worldwide network of volunteer servers. Anonymity networks prevent traffic analysis and network surveillance - or at least make it more difficult. Techopedia Explains Anonymity Network One open-source anonymity software free to public use is known as Tor....
What Does Asynchronous Messaging Mean? Techopedia Explains Asynchronous Messaging One major advantage of asynchronous messaging is its scalability. A short message may be sent with a very lengthy reply or vice versa. A request for a sizeable text document as an attachment would emphasize the benefits of scalability even further. Asynchronous messaging solves the problem of intermittent connectivity. Also, if the receiving equipment fails or is unavailable, the message may remain in a message queue and be delivered as soon as the failure is corrected....
What Does Backup To Disk (B2D) Mean? Backup to disk (B2D) is the process of using a hard disk based storage device, mechanism or solution to store and retrieve backup data. B2D enables the transmission and upload of backup data from a local computer disk to the disk of a remote storage server. Techopedia Explains Backup To Disk (B2D) Typically, the backup to disk process requires having one or a pool of remote/local storage servers with one or more native storage disks....
What Does Chaos Theory Mean? Chaos theory is a particular mathematical field that studies the properties of, and predictability of, deterministic systems, or systems that are dependent on a base set of initial conditions. Chaos theory may model these systems in various ways, or try to make mathematical determinations about these systems. Techopedia Explains Chaos Theory Chaos theory is often used for a variety of real-world systems that are dynamic or deterministic – that seem like they might be accommodating to certain predictive methodologies....
What Does Clean Computing Mean? Clean computing, a subset of green computing, is a concept that refers to the environmentally responsible use, manufacture and disposal of computers, computer peripherals, equipment and other technology products. While green computing refers to the environmental impact of computing as a whole, clean computing is specifically focused on the production of environmental waste. Techopedia Explains Clean Computing When computer manufacturers practice clean computing, this means that they don’t produce harmful waste in their disposal of IT equipment and that they strive to use non-hazardous materials for computer chips, packaging and other components....
What Does Clean Install Mean? A clean install refers to the installation of a software package where the previous version is completely deleted. The alternative to a clean install is an upgrade, where portions of the original software remain and are not removed. Techopedia Explains Clean Install Doing a clean install of an operating system (OS) implies formatting the hard drive. This means that all partition data will be lost and all data must be backed up to an external device....
What Does Frotzed Mean? Frotzed refers to any computer that is temporarily unavailable or malfunctioning due to hardware problems, but with repair can be easily returned to working condition. It describes any computer that has undergone any minor hardware-related problem and is repairable without adding or replacing parts or components. Techopedia Explains Frotzed In contrast to fried, when a system is down and requires serious work before its restored and turned on, a computer system can be frotzed for a number of reasons, including the following:...
What Does Malvertising Mean? Malvertising is a malicious form of Internet advertising used to spread malware.Malvertising is usually executed by hiding malicious code within relatively safe online advertisements. These ads can lead a victim to unreliable content or directly infect a victim’s computer with malware, which may damage a system, access sensitive information or even control the computer through remote access.Malvertising relies on social network advertising or user-supplied content publishing services....
What Does Modular Arithmetic Mean? In mathematics, modular arithmetic is special category of arithmetic that makes use of only integers. In other words, modular arithmetic is the arithmetic of congruence. Modular arithmetic is sometimes known as clock arithmetic, as one of the most familiar uses of modular arithmetic is in the 12-hour clock, which has the time period divided into two equal halves. Techopedia Explains Modular Arithmetic In his book “Disquistiones Arithmeticae” released in 1801, Carl Friedrich Gauss introduced the modern approach to modular arithmetic....
What Does RAID 7 Mean? RAID 7 is a type of RAID level that includes a real-time embedded operating system and processor for enhanced data read/write or I/O operations and data caching capabilities. It is a propriety RAID level owned by Storage Computer Corporation. Techopedia Explains RAID 7 RAID 7 primarily incorporates features from RAID level 3 and 4. RAID 7 has integrated cache and a purpose-built processor for managing the array that helps in achieving faster data read/write operations....
What Does Sasser Worm Mean? A Sasser worm is a computer worm mainly targeting computers running Microsoft OSs such as Windows XP and Windows 2000. Sasser worm transmits by exploiting a vulnerable network port. This worm can easily spread out from one computer to another without user interference.Sasser worm was first discovered in April 2004. It belongs to a family of self executing worms known as W32.Sasser. Techopedia Explains Sasser Worm The Sasser worm was written by a German computer science student named Sven Jaschan....
What Does Service Control Manager (SCM) Mean? Service Control Manager (SCM) is a special process under the Windows NT family of operating systems that starts and stops Windows processes, including device drivers and startup programs. Its main function is to start all the required services at system startup. It is launched by the Winint process on system boot. Techopedia Explains Service Control Manager (SCM) Service Control Manager is a process started on Windows NT-based operating systems that launches the various Windows services....
What Does World Wide Web Consortium (W3C) Mean? The World Wide Web Consortium (W3C) is an international organization committed to improving the web. It is made up of several hundred member organizations from a variety of related IT industries. W3C sets standards for the World Wide Web (WWW) to facilitate interoperability and cooperation among all web stakeholders. It was established in 1994 by the creator of the WWW, Tim Berners-Lee....
What Does Virtual To Virtual (V2V) Mean? Virtual to virtual (V2V) is a process of copying, migrating or replicating a virtual machine (VM) image, data or disk partition to another VM. It facilitates the migration of data or a machine instance between VMs and/or virtualization environments. Techopedia Explains Virtual To Virtual (V2V) The V2V process is implemented and managed through a virtual machine manager (VMM) or virtualization hypervisor. V2V works when the complete VM image data is copied and transferred to another host machine, which may be a VM or physical computer/server....
What Does Website Usability Mean? Website usability is a term describing the ease of use of a particular website or project. Looking at this issue touches a number of big concerns for today’s webmasters and developers related to how a target audience uses an online site. Techopedia Explains Website Usability In a basic sense, website usability addresses the question of how “user friendly” a website is. Ease of use is an issue applied to almost any technology, but particularly to those systems that facilitate the use of new media such as the Internet....
What Does Windows 98 Mean? Windows 98 is the operating system from Microsoft that succeeded Windows 95. It was the second major release in the Windows 9x family. It had significant updates and improvements over Windows 95, including fixes and support for new peripherals. Windows 98 was succeeded by Windows 98 Second Edition. Microsoft ended support for the Windows 98 operating system in mid-2006. Techopedia Explains Windows 98 Windows 98’s boot sequence was based on MS-DOS, and the operating system introduced features to help in greater Web integration....
