A hard disk partition is a defined storage space on a hard drive. Most operating systems allow users to divide a hard disk into multiple partitions, in effect making one physical hard disk into several smaller logical hard disks. Reasons to Use Hard Disk Partitions A user may decide to split a hard disk into …
A PCI simple communications controller is a software component found on a computer that controls the PCI connected devices plugged into that computer. PCI (Practical Communication Interface) is a hardware component built into the computer that allows a wide variety of devices to physically connect to the computer via individual card slots. While the PCI …
A pantograph is a mechanical device that is made of links. It bends in order to allow a user to draw an image while simultaneously drawing two or more copies of it. Pantographs can also make smaller or larger copies of an original drawing. They have been used for over four hundred years and have …
Lightscribe is a technology that allows users to burn labels into the surface of a CD, DVD, or Blu-Ray disc. Lightscribe allows users to personalize their discs and create custom discs for businesses, musicians, and venues. Rather than using stick-on labels that many discs are outfitted with, Lightscribe technology uses a disc burner’s laser to …
The Signal to Noise Ratio is a ratio of desired signal to undesired signal (noise) in the average power level of a transmission. The signal is what you are measuring that is the result of the presence of your analyte. Noise is extraneous information that can interfere with or alter the signal. It can not …
Lossy compression is a type of compression that removes unnecessary components of a file to reduce the file’s size. Lossy compression is often used in multimedia files, such as still images and audio files that hold a significant amount of redundant information. Lossy compression results in a reduction of quality of the file that is …
QVGA (Quarter Video Graphics Array or Quarter VGA) is a type of resolution whose dimensions are 320×240 pixels. The QVGA display is normally found in devices such as mobile phones and PDAs. The display is also common on other hand-held devices such as game consoles. Resolution Most of the time, the display is in the …
DVI (Digital Visual Interface) is a video connector designed by the Digital Display Working Group (DDWG), aimed at maximizing the picture quality of digital display devices such as digital projectors and LCD screens. It is crafted for transporting uncompressed digital video information to a display screen. It is partly compatible with the High-Definition Multimedia Interface …
A touch screen is basically a display screen which can identify the occurrence and position of a touch within its own area. This usually refers to a touch or tap to the display of the gadget by a finger or hand. Touch screens can also identify added inactive objects, such as a stylus. Touch screens work …
Athlon is a name for AMD’s main line of Intel-compatible CPUs. The Athlon line is designed to complete against the Intel Pentium CPUs. Athlon CPUs feature a L1 cache with 64KB of memory for data and another 64KB of memory for instructions. Athlon CPUs support MMX, 3DNow!, and SSE. Some models of Athlon CPUs also …