(1) In object-oriented programming, a category of objects. For example, there might be a class called shape that contains objects which are circles, rectangles, and triangles. The class defines all the common properties of the different objects that belong to it. (2) In .NET languages, classes are templates used for defining new types. Classes describe […]

Short for full-disk encryption (FDE) hard drive it is a Seagate technology that performs encryption on the disk drive at the hardware level. The hard drive contains an ASIC chip that is used to encrypt every bit of data as it is written and also decrypts data as it is being read. The drive requires […]

The Acer Iconia a100 was the first Android tablet using the Honeycomb operating system (OS). It is a 7-inch Android tablet with a dual-core 1GHz ARM Cortex-A9 processor, 512-MB of RAM, and a 5-megapixel camera. The device was first released on August 12, 2011. See Android Codenames to learn about updates for the open source […]

A type of affiliate marketing program where the advertiser pays the affiliate based on conversion of sales. If a customer follows an affiliate link to the advertiser’s site and makes a purchase in accordance with the affiliate agreement, the affiliate is paid. Affiliates can earn a higher commission through pay-per-sale affiliate programs, however these types […]

Short for Alternate key, the Alt key is like a second Control key. Not all computer keyboards have an Alt key, but it is standard on all PCs. You use it in the same fashion as the Control key — holding it down while you press another key. For example, an instruction to use the […]

(1) Short for Protocol Data Unit. The term used to describe data as it moves from one layer of the OSI model to another. In this reference, PDU is often used synonymously with packet. (2) Short for Power Distribution Unit. An electrical device used to control the distribution of power to individual loads. The PDU […]

In desktop publishing, to fix a graphical object so that its position relative to some other object remains the same during repagination. Frequently, for example, you may want to anchor a picture next to a piece of text so that they always appear together.

Frag is a commonly used term in first-person shooter game. When you kill an opponent in the game you call it a “frag” rather than kill. The term frag is commonly associated with multiplayer deathmatch games. The word frag was first used in the Vietnam war, but there is some discrepancies as to the meaning […]

Short for Management Information Format, a format used to describe a hardware or software component. MIF files are used by DMI to report system configuration information. Although MIF is a system-independent format, it is used primarily by Windows systems. To install a new device in a Windows 95 system, you need the corresponding MIF file.

A type of file system used for revision control that enables users to to access their file system as it appeared at any point in time. A set number of older copies of files are kept as the file is a new copy every time it is changed. Unlike a backup system, the different versions […]