Dvorak Keyboard Definition The Dvorak keyboard is a keyboard layout named after its designer, Dr. August Dvorak. He designed the keyboard as alternative to the standard QWERTY keyboard layout, with the goal of improving typing ergonomics. Dvorak developed the new keyboard layout after studying common typing patterns. He determined the QWERTY layout, which was designed for telegraph operators and early ..
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CAD Definition Stands for “Computer-Aided Design.” CAD is the use of computers to create 2D and 3D designs. Common types of CAD include two-dimensional layout design and three-dimensional modeling. 2D CAD has many applications, but it is commonly used to design vector-based layouts. For example, architects may use CAD software to create overhead views of building floor plans and ..
Video Card Definition Most of the processing done on a computer is done via the computer’s central processing unit, or CPU. So in order to give the CPU a break and help it run more efficiently, a video card can be used to process the graphics portion of the processing load. Because most of today’s programs ..
PCB Definition Stands for “Printed Circuit Board.” A PCB is a thin board made of fiberglass, composite epoxy, or other laminate material. Conductive pathways are etched or “printed” onto board, connecting different components on the PCB, such as transistors, resistors, and integrated circuits. PCBs are used in both desktop and laptop computers. They serve as the ..
Motherboard Definition The motherboard is the main circuit board of your computer and is also known as the mainboard or logic board. If you ever open your computer, the biggest piece of silicon you see is the motherboard. Attached to the motherboard, you’ll find the CPU, ROM, memory RAM expansion slots, PCI slots, and USB ports. It also includes controllers for devices like the hard drive, ..
Hardware Definition Computer hardware refers to the physical parts of a computer and related devices. Internal hardware devices include motherboards, hard drives, and RAM. External hardware devices include monitors, keyboards, mice, printers, and scanners. The internal hardware parts of a computer are often referred to as components, while external hardware devices are usually called peripherals. Together, they all fall under the ..
Plug-in Definition Though software plug-ins might not make your room smell as nice as the scented ones you stick in an outlet, they are still useful. A software plug-in is an add-on for a program that adds functionality to it. For example, a Photoshop plug-in (such as Eye Candy) may add extra filters that you ..
DVR Definition Stands for “Digital Video Recorder.” A DVR is basically a VCR that uses a hard drive instead of video tapes. It can be used to record, save, and play back television programs. Unlike a VCR, however, a DVR can also pause live TV by recording the current show in real time. The user can choose ..
Standalone Definition A standalone device is able to function independently of other hardware. This means it is not integrated into another device. For example, a TiVo box that can record television programs is a standalone device, while a DVR that is integrated into a digital cable box is not standalone. Integrated devices are typically less expensive than ..
Workstation Definition It has been said that a bus stops at a bus station and a train stops at a train station, so what happens at a workstation? Hm… Actually, a workstation is a place where work gets done. It refers to a computer (and often the surrounding area) that has been configured to perform ..
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