What is a Screensaver? A screensaver is an animated image that is displayed on a PC screen when inactive – once the user’s inactivity has been detected for a certain period of time. Screensavers were originally created to prevent burn-in (i.e. the burning of an image into the phosphor inside the cathode ray tube after hours of …
Occasionally, one or more sectors on an otherwise good hard drive will go bad. When this happens, the data in those sectors may be lost, but the data on the rest of the disk will be unaffected and the disk is still completely usable. Those bad sectors cannot be repaired, but they can be marked …
An earthquake is caused when two blocks or plates of the Earth slip past each other in the lateral, vertical, or a combination of directions in a sudden manner. Due to the large pressures that develop between the Earth’s plates along fault lines at the Earth’s surface, one of the bodies will eventually give way. …
Interactive TV is when the viewer and broadcaster can communicate with each other, usually in real time. Normal TV flows in a one way path, from the broadcaster to the viewer, however interactive TV, usually includes a digital modem or other form of hardware that can return information or data from the viewer back to …
Integrated Drive Electronics or (IDE) are a type of hard drive controller which bundles the components of the hard drive and its controller into one interface. This allows for much simpler installation of the hard drive into the system by removing the difficulties associated with the separation of the components and controllers such as the predecessor …
Inkjet printers are cheap but they are still expensive enough to make some repairs worthwhile. There is a surprising number of parts in them, and every part is a potential failure point. The most common failure is a clogged print head. They are notoriously difficult to clean because of their microscopic nozzles. The first attempt …
ISDN BRI (Basic Rate Interface) is a standard Integrated Services Digital Network (ISDN) service meant for residential and small scale business Internet connections. There is another type of ISDN configuration called the Primary Rate Interface (PRI) that is designed to provide higher bandwidth. The BRI configuration defined in the physical layer standard I.430 produced by …
HTTP Error 403 is an error message which means that you are not authorized to view the web page which you are attempting to load. Usually, the HTTP error 403 – Forbidden means that access to the file/folder you are trying to open has been denied, either on intention or owing to a configuration anomaly. …
When end-users discuss converting files store in the JPG or JPEG image format to Word it is typically for one of two reasons: 1 – To add a JPG image to a Word document or 2 – To convert a text document that is stored in JPG format to Word format. Due to the JPG …
Steganography has gained a significant amount of press over the past several years when the technique hit the press as a possible method that many of the terrorists involved with the 9/11 attacks used to plan the operation. Similar to the use of encryption, steganography techniques have become one of the basic methods that organizations …