A hydrophone is a type of microphone that is specifically designed to be used under water. Hydrophones depend on piezoelectric transducers to detect sound waves and other pressure waves coming from underwater vehicles, animals, and natural structures. Hydrophones were widely used in World War I, and II to detect U-boats (German submarines) and are still …
Many computer owners find the multiple monitor features extremely useful. The multiple monitor feature has been around for many years and is available on Macintosh computers, Linux computers and Windows Operating systems- specifically on Windows 98, ME, XP, and Vista. It is quite easy to add one or more monitor to your computer, however there …
Computer caches are memory circuits that serve to speed up a much larger memory drive. In a typical computer it takes the microprocessor 60 nanoseconds to access the RAM. To cut the time it takes for the microprocessor to access data from the RAM, a special memory bank or memory circuit is installed into the …
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 …
LPAR (Logical Partitioning) is a way of subdividing all of a computer’s resources, including the memory, storage, and processors, and splitting them up into smaller logical units that can each be run as a separate part of the operating system (OS). In order for LPAR to be implemented, it requires the computer to have specialized …
If you are like the millions of people thinking of upgrading your old TV set for a brand new flat screen TV, you probably have one question- Plasma or LCD? Plasma and LCD are the two major types of flat TV sets for sale. While there is no sure winner since they both have their …
Noise-canceling headphones are headsets that have the ability not just to block out noise but to cancel it using the properties of sound waves. Sound waves have compression and rarefaction characteristics similar to the crests and troughs of a transverse wave. They also have amplitude and frequency characteristics. These characteristics of sound waves are used …
A World Wide Name, or WWN, is a 64-bit or 128-bit name assigned to each manufacturer of network storage devices and fiber channels by the Institute of Electrical and Electronics Engineers, or IEEE. Each network storage device that a manufacturer produces must include the manufacturer’s WWN, which is used to identify a network storage device …
Optical mice are the de facto standard for mice to communicate between the end user and the computer. The optical mouse is a great improvement of the mechanical mouse that was created in the early 1970s. Agilent Technologies introduced the Optical mouse in 1999. The technology uses a tiny camera that takes thousands of pictures …
As technology has advanced over the past few decades, so has computer science. Because of this, there are now many different ways in which information can be transferred from one device to another. Servers, cables, modems, and computers all often work together in order to process and transfer data. A relatively new source of data …