A pointing device is any piece of hardware that is used to allow a user to input spatial data to a computer. By moving a mouse, pen or a finger around, a user can implement movements and changes on the computer screen. The most common type of pointing device is the mouse and the arrow. …
It is a well-known fact that most computers are susceptible to hard drive crashes or virus attacks. Backing up information is a practical and necessary precaution to protect one's data from being lost forever. There are several realistic methods for backing up data. The best backup method for your data depends opon many factors, including: …
The Basic Input/Output System is a program that is built into a computer’s motherboard that offers access to the hardware’s setup and configuration. During the initial boot phase, the BIOS is accessed and acts as the controller for processes such as booting the operating system. All Microsoft Windows operating systems must use BIOS to boot …
A lightning/surge arrester is a device that protects structures from electrical damage by intercepting lightning surges and diverting them to the ground. Lightning arresters are connected directly to the ground via low resistance cables, although they are generally mounted on high buildings or other structures in order to attract electricity. They can be used on …
No matter where LCD screens are kept, they will always need cleaning from time to time. Cleaning an LCD may seem like a daunting task, but there are a few simple ways to clean it without damaging to scratching to surface. Retail There are many cleaning solutions available in shops. However these may seem a …
A SD card, or Secure Digital card, is a memory card used in portable devices for non-volatile memory storage. The cards are commonly used in tablet computers, cell phones, digital cameras, and GPS devices. The SD standard was first introduced in 1999 as an improvement over MultiMediaCards. The standard for SD cards is maintained by …
File and disk fragmentation usually causes problems in large networked companies where many people simultaneously save, retrieve and delete their work on a company’s servers. In an ideal scenario, people will be ‘lining up’ to use the company’s servers, allowing data management (especially storage and retrieval) to proceed in an orderly, logical, and sequential manner. …
A common problem that arises for computer users is dealing with the USB Device not recognized error. This error is thrown after an electronic device is connected to the computer or USB hub but is not automatically detected. When the error occurs, the Windows Device Manager may also list the component as an “unknown device” …
Broken hard disks can be both a nuisance and a major loss to business and personal affairs whenever files are lost or inaccessible. Fortunately, there are several things users can do to repair a broken hard disk before throwing it out in order to restore lost or inaccessible files. Let the Hard Disk Cool …
SIMD (Single Instruction Multiple Data) is a computer science method of combining multiple operations into a single computer instruction. The total number of operations combined is normally a factor of the power of two. The employment of SIMD results in significant savings in speed for algorithms designed to work in parallel. The technology is used …