Short for intraframe, a video compression method used by the MPEG standard. In a motion sequence, individual frames of pictures are grouped together (called a group of pictures, or GOP) and played back so that the viewer registers the video��s spatial motion. Also called a keyframe, an I-frame is a single frame of digital content that the compressor examines independent of the frames that precede and follow it and stores all of the data needed to display that frame. Typically, a I-frames are interspersed with P-frames and B-frames in a compressed video. The more I-frames that are contained, the better quality the video will be; however, I-frames contain the most amount of bits and therefore take up more space on the storage medium.
Short for Infrastructure as a Service, IaaS is defined as computer infrastructure, such as virtualization, being delivered as a service. IaaS is popular in the data center where software and servers are purchased as a fully outsourced service and usually billed on usage and how much of the resource is used – compared to the […]
(1) Refers to any in a family of dot-matrix printers that Apple offers for the Macintosh computer. Laser printers for the Macintosh are called LaserWriters. (2) A means of programming semiconductor devices after they are already mounted on a circuit board. The programmer, designed by Data I/O Corporation, has device-specific algorithms for microcontroller or programmable […]
- InPrivate Browsing
A feature of the Internet Explorer 8 Web browser that lets users surf the Web without browsing history, temporary Internet files, form data, cookies, and usernames and passwords being retained by the browser. This is a more private browsing option that, according to Microsoft, leaves no evidence of your browsing or search history. You can […]
- Inbound Filters
A setting commonly found on broadband router firmware. Inbound Filters are used to limit access to a server on your own network. Filter rules can be used with virtual server, port forwarding or remote administration features. See “Common Router Settings” in the Quick Reference section of
- Inbound link
In search engine optimization (SEO) terminology Inbound link is the same as backlink.