Doogee DG550 is a 5.5 inch Android Smartphone running on a Cortex-A7 Octa core processor with 1.7GHz and 1GB RAM.

A program interface that allows an application program running under the DOS to take advantage of a DOS extender , which lets the program address a larger range of RAM than the 640 kilobytes to which PC programs are basically constrained. 

DOS/V is a version of MS-DOS that provides both English and Japanese language command interfaces and can be used for applications designed for either or both English and Japanese. 

A software framework developed by Microsoft that runs primarily on Microsoft Windows. It includes a large library and provides language interoperability across several programming languages.  

A dotcom is any Web site intended for business use and, in some usages, it's a term for any kind of Web site. The term is based on the com that forms the last part of the address for most commercial Web sites. 

DotNetNuke is an open source web content management system based on Microsoft .NET.

A measure of spatial printing or video dot density, in particular the number of individual dots that can be placed in a line within the span of 1 inch.

A synchronous dynamic RAM (SDRAM) that can theoretically improve memory clock speed to at least 200 MHz*. It activates output on both the rising and falling edge of the system clock rather than on just the rising edge, potentially doubling output. 

A.k.a. Diagonal-parity RAID, Advanced Data Guarding (RAID_ADG), or RAID-6, is a method of protecting against multiple storage drive failures by creating two sets of parity data on an array of hard disks.

DoubleClick is a subsidiary of Google which develops and provides intenet ad serving services. DoubleClick Ad exchange is a real-time marketplace partnered with the Google Display Network for buying and selling advertising. It is another market for advertisers to bid on display marketing across the internet. A campaign on display network automatically have access to  Ad Exchange publisher sites that comply with AdWords' guidelines.

Downtime is a computer industry term for the time during which a computer isn't operational. 

Draka System Installation Certification by CNet Training

Skill Level: Advanced Status: Active

Skill Level: Intermediate Status: ActiveFor individuals who have knowledge of business impact analysis, ailment risk analysis, testing and exercising, and keeping DR plans current.

A program that is automatically downloaded to your computer without your consent or even your knowledge. Unlike a pop-up download, which asks for assent, a drive-by download can be initiated by visiting a Web site or viewing an HTML e-mail message. 

A vulnerability exploit in which the attacker takes advantage of an inadequately protected broadband router to gain access to user data. To guard against drive-by pharming, users should change the passwords for their routers at installation.