A DASD, or Direct Access Storage Disk, is a type of storage device that is connected directly to a user’s computer rather than being connected to the network. Because many types of storage device connect directly to a user’s computer, the term “DASD” may apply to a variety of different devices; however, a DASD is …
Formatting a hard drive often becomes necessary when Trojans or viruses that are difficult to remove infect it or when there are bad sectors on it. A hard drive should be divided into small partitions to utilize the space effectively. A hard drive can also be formatted in order to reorganize the space available. Remember, …
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 …
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 …
HRTF (Head Related Transfer Functions) refers to a technique used in audio recordings in order to produce binaural signals from a monaural source. While monaural signals refer to sounds that a signal source produces and both ears hear them at varying distances and frequencies, binaural signals refer to sounds that two separate sources produce and that each ear …
Computer privacy screens, sometimes called computer privacy filters offers added security by making any image on the screen visible only to the computer user sitting directly in front of the image. Other angles that are not in direct view of the screen are distorted or blacked out completely. Types of Computer Privacy Screens There are …
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 …
PATA is an abbreviation for Parallel Advanced Technology Attachment. It is a regular interface that is used within PCs to connect all kinds of storage devices like hard disks, CD or DVD drives and solid state disks to the motherboard. The PATA interface connector is made up of thirty four pins and is connected to …
An Uninterruptible Power Supply (UPS) is a device connected between the power source and a computer to ensure that electrical flow is not interrupted. UPS devices use batteries to keep the computer running for a period of time after a power failure. It is not to be confused with standby generators which do not provide …
The Front Side Bus (FSB) is the connecting path between the CPU and other key components such as system memory. The Front Side Bus is also called the Data Bus and the Processor Side Bus (PSB). Front Side Bus Widths of Various CPUs CPU Front Side Bus Width 8088 8 8086 16 80286 16 80386SX …