Laser Printer Definition A laser printer is a printer that uses a focused beam or light to transfer text and images onto paper. Though contrary to popular belief, the laser does not actually burn the images onto the paper. Instead, as paper passes through the printer, the laser beam fires at the surface of a ..
Archives : September-2019
Dot Matrix Definition A dot matrix is a 2D matrix of dots that can represent images, symbols, or characters. They are used for electronic displays, such as computer monitors and LED screens, as well as printed output. In a dot matrix display, the images are estimated using a discrete set of dots instead of lines and shapes. Therefore, the ..
DPI Definition Stands for “Dots Per Inch.” DPI is used to measure the resolution of an image both on screen and in print. As the name suggests, the DPI measures how many dots fit into a linear inch. Therefore, the higher the DPI, the more detail can be shown in an image. It should be noted that ..
Resolution Definition Resolution measures the number of pixels in a digital image or display. It is defined as width by height, or W x H, where W is the number of horizontal pixels and H is the number of vertical pixels. For example, the resolution of an HDTV is 1920 x 1080. Image Resolution A digital photo that is 3,088 pixels ..
Printer Definition A printer is an output device that prints paper documents. This includes text documents, images, or a combination of both. The two most common types of printers are inkjet and laser printers. Inkjet printers are commonly used by consumers, while laser printers are a typical choice for businesses. Dot matrix printers, which have become increasingly rare, are still used for ..
Plug and Play Definition Plug and Play, sometimes, abbreviated PnP, is a catchy phrase used to describe devices that work with a computer system as soon as they are connected. The user does not have to manually install drivers for the device or even tell the computer that a new device has been added. Instead the computer ..
Driver Definition A driver, or device driver, is a software program that enables a specific hardware device to work with a computer’s operating system. Drivers may be required for internal components, such as video cards and optical media drives, as well as external peripherals, such as printers and monitors. Most modern hardware is “plug and play,” meaning the devices will work without requiring driver installation. However, even if ..
ODBC Definition Stands for “Open Database Connectivity.” With all the different types of databases available, such as Microsoft Access, Filemaker, and MySQL, it is important to have a standard way of transferring data to and from each kind of database. For this reason, the SQL Access group created the ODBC standard back in 1992. Any application ..
DBMS Definition Stands for “Database Management System.” In short, a DBMS is a database program. Technically speaking, it is a software system that uses a standard method of cataloging, retrieving, and running queries on data. The DBMS manages incoming data, organizes it, and provides ways for the data to be modified or extracted by users ..
E-commerce Definition E-commerce (electronic-commerce) refers to business over the Internet. Web sites such as Amazon.com, Buy.com, and eBay are all e-commerce sites. The two major forms of e-commerce are Business-to-Consumer (B2C) and Business-to-Business (B2B). While companies like Amazon.com cater mostly to consumers, other companies provide goods and services exclusively to other businesses. The terms “e-business” ..
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