DVI-D - DVI Digital (True Digital) DVI-D is a direct digital connection between your video card and your monitor. This type of connection provides a fast transfer rate, high quality image and no quality loss due to the fact that all signals from PC's are purely digital; no digital-analog-digital conversion is needed.
Typical costs: 1  A half-size keyboard with training software averages $200-$250. Expect to pay $550-$2,000 or more for a full (88 keys) digital piano keyboard with touch-sensitive keys and a damper pedal. 2  Beat-up traditional pianos are often available for $250-$500.
Keyboard construction, in four layers, of a typical notebook computer keyboard. Computer keyboards can be classified by the switch technology that they use. Computer alphanumeric keyboards typically have 80â110 durable switches, one for each key. The choice of switch technology affects key response (the positive feedback that a key has been pressed) and travel (the distance needed to push the key to enter a character reliably).