QVGA (Quarter Video Graphics Array or Quarter VGA) is a type of resolution whose dimensions are 320×240 pixels. The QVGA display is normally found in devices such as mobile phones and PDAs. The display is also common on other hand-held devices such as game consoles. Resolution Most of the time, the display is in the …
The mouse is an extremely popular device. While the majority of mice are connected directly to the computers peripheral input via a cord and the computer’s main power powers it, wireless mice are becoming extremely popular as they give computer users cordless accessibility to their mice and their computer. Wireless Mouse Technology Wireless mice usually …
eSATAp is a high speed connectivity option for external storage devices like portable hard disks (HDD), Solid State Drives (SSD), and Networked Attached Storage (NAS). It is also referred to as eSATA/USB combo port and Power Over eSATA. This connection is 3 times as fast as USB 2.0, and its speed is comparable to USB 3.0 …
A dual core processor is part of a category called multi-core processors. These computer processors have more than one independent processor on the chip or package. In the case of a dual core processor, the entire chip has two independent computer processors that can work together to increase total computer performance. For non-technical consumers, dual …
DVI (Digital Visual Interface) is a video connector designed by the Digital Display Working Group (DDWG), aimed at maximizing the picture quality of digital display devices such as digital projectors and LCD screens. It is crafted for transporting uncompressed digital video information to a display screen. It is partly compatible with the High-Definition Multimedia Interface …
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 …
A tablet PC is a laptop or slate-formed mobile computer that is outfitted with a touchscreen or screen that can be controlled with a digital pen or stylus, or via finger touch. A tablet PC does not require a keyboard or mouse. End-users can directly key in data on a tablet PC. It also offers …
The case is the metal “box” that all the computer parts fit inside. It provides protection and the ability to customize the case. Larger cases leave room for expansion such as extra hard drives or R/W drives. There are three main types of cases: Pizza Box Case This is a thin case used mainly for …
ATX (Advanced Technology xTended) is a specification for motherboards created by Intel in 1995. It has replaced the AT standard and it is now incorporated into a wide variety of computer systems as the default motherboard layout. Although ATX is still very popular today, the microATX, FlexATX, and mini-ITX motherboard specifications have replaced it. The …
PCI (Peripheral Component Interconnect) is a computer bus used for attaching peripheral devices to a computer motherboard. It is the most popular local I/O bus used in today. PCI provides a shared data path between the CPU and peripheral controllers in every computer models, from laptops to mainframes. Developed by the Intel Corporation, PCI first …