Controller Card Definition The controller card, or simply “controller,” is a piece of hardware that acts as the interface between the motherboard and the other components of the computer. For example, hard drives, optical drives, printers, keyboards, and mice all require controllers to work. Most computers have all the necessary controllers built in the motherboard ..
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AGP Definition Stands for “Accelerated Graphics Port.” AGP is a type of expansion slot designed specifically for graphics cards. It was developed in 1996 as an alternative to the PCI standard. Since the AGP interface provides a dedicated bus for graphics data, AGP cards are able to render graphics faster than comparable PCI graphics cards. Like PCI slots, AGP slots ..
DirectX Definition DirectX is a set of standard commands and functions that software developers can use when creating their programs. While any Windows-based software program can include DirectX commands, they are usually used in video games. For example, developers may use DirectX for controlling video playback, sound effects, and peripheral input (such as a keyboard, mouse, or ..
OpenGL Definition OpenGL, short for “Open Graphics Library,” is an application programming interface (API) designed for rendering 2D and 3D graphics. It provides a common set of commands that can be used to manage graphics in different applications and on multiple platforms. By using OpenGL, a developer can use the same code to render graphics on a Mac, PC, or mobile device. Nearly all ..
DVD+R Definition Stands for “Digital Versatile Disc Recordable.” DVD+R discs look the same as regular DVDs, but can be used to record data. Single-sided, single-layer DVD+R discs can store 4.7GB of data, while double-layer discs can store 8.5GB and double-sided DVD-Rs can store 9.4GB. The DVD+R format is not quite as common as the DVD-R ..
Emoji Definition An emoji is a small icon that can be placed inline with text. The name “emoji” comes from the Japanese phrase “e” (絵) and “moji” (文字), which translates to “picture character.” Since 2010, the popularity or emojis have grown rapidly. They are commonly used in text messaging, social media, and in apps like Instagram and Snapchat. They have largely ..
Mouse Definition While most people don’t want to see a mouse running around in their home, they typically don’t have a problem seeing one sitting by their computer. This is because, along with the keyboard, the mouse is one of the primary input devices used with today’s computers. The name comes from the small shape of the mouse, ..
Ergonomics Definition Ergonomics is the study of how humans interact with manmade objects. The goal of ergonomics is to create an environment that is well-suited to a user’s physical needs. While ergonomics is relevant in many areas, it is commonly applied to the workplace environment. For example, ergonomics is often used to create comfortable workstations for employees. ..
QWERTY Definition QWERTY (pronounced “quirty”) is an adjective used to describe standard Western (or Latin-based) keyboards. If you look at your keyboard, and the first six letters under the numbers are Q-W-E-R-T-Y, then you have a QWERTY keyboard. Nearly all keyboards used in the western hemisphere have a QWERTY layout. Some countries use slightly modified versions, ..
ANSI Definition Stands for “American National Standards Institute.” ANSI is a U.S.-based non-profit organization that works to develop and promote standards in the United States and around the world. By standardizing new products and technologies, ANSI both strengthens the United States’ position in the global marketplace and helps ensure product integrity and safety. ANSI was ..
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