A hypervisor is a virtualization technique that runs multiple operating systems on the device. While non-hypervisor virtualization techniques run multiple operating systems on domestic computers and hand-held devices, hypervisors are used exclusively on devices whose sole task is to run multiple guest operating systems for commercial or industrial purposes. Hypervisors are used in gaming technologies, …
A HBA (host bus adapter) is an integrated circuit adapter or circuit board that is designed to provide physical connectivity between a computer host and storage devices or a network. In addition to the physical connection, an HBA also provides input/output (I/O) processing and alleviates the host computer microprocessor from having to conduct data retrieval …
To provide additional portability to computer users, IT manufacturers have created wireless keyboards that do not have to be kept at the user's desk. Wireless keyboards can be used by both desktop and laptop users as the technology used in wireless keyboards is universal to all computer models. While wireless keyboards may offer additional mobility …
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 …
Many people install security features on their computer in order to prevent unauthorized users from accessing the computer when they are away. For example, login identification, file encryption, and even biometric identification are all sufficient methods of keeping intruders out of someone’s personal information. However, some users may wish to go even further by locking …
Most people usually look to Signal to Noise Ratio to measure the signal quality of either audio or video communications. Signal to noise ratio is usually written either S/N or SNR. Most of the time the signal to noise ratio is measured in decibels. A decibel is a measure of power or loudness. Not to …
ECC (Error Correction Codes) is a method used to detect and correct errors introduced during data storage or transmission. Certain kinds of RAM chips inside a computer implement this technique to correct data errors and are known as ECC Memory. ECC Memory chips are predominantly used in servers rather than in client computers. Memory errors …
SPDIF, or the Sony/Philips Digital Interconnect Format) is used to carry or transport digital audio signals in consumer electronic equipment such as CD and DVD players, PC audio cards, and car audio systems over short distances. The digital signal can be carried over fiber optic (TOSLINK connectors) or coaxial cable (RCA connectors) and is also …
BNC BNC, which stands for Bayonet Neill-Concelman, is a type of RF connector used for terminating coaxial cable. BNC connectors are used in a variety of consumer electronics, including radios, video devices and certain Ethernet networks. VGA VGA, which stands for Video Graphics Array, is a piece of display hardware. The VGA hardware is a …
VGA (Video Graphics Array) is a hardware specification for display monitors and computers that allows a computer to display applications on a VGA-based monitor via a VGA cable. VGA technology is one of the oldest forms of display hardware in computing and is outfitted in virtually every computer system in the world. VGA uses analog …