Concise definitions on frequent terms

Dots Per Inch (DPI)

  08/26/08 02:03, by admin, Categories: Imaging

Measurement of resolution that is used for scanning and printing. Generally, higher DPI results in a higher resolution, more visible detail in the image, and a larger file size.


  10/03/09 20:08, by sandeepbk, Categories: Imaging

The Institution of Electrical and Electronics Engineers (IEEE) is an non-profit organisation involved in advance development of all technologies related to electricity.

Automatic Document Feeder (ADF)

  08/26/08 01:43, by admin, Categories: Imaging

An Automatic Document Feeder (ADF) is a mechanism that will automatically feed an original sheet of paper so that a printer can scan some amount of the paper at once.


  08/26/08 07:48, by admin, Categories: Imaging

An image type that simulates grayscale by varying the density of dots in a given area.

Highly colored areas consist of a large density of dots, while lighter areas consist of a lower density of dots.

Internet Service Provider (ISP)

  02/20/11 00:31, by admin, Categories: Networks

An Internet Service Provider is a company that lets you access the Internet from your home or office by using a DSL modem, a cable modem or any other device (including sattelite links, etc.).

They are a gateway between the connection that goes into your home/office and the rest of the Internet.

File Transfer Protocol (FTP)

  08/26/08 07:19, by admin, Categories: Networks

FTP is a protocol for transferring files over TCP/IP networks such as the Internet.

To transfer files, you need to connect to an FTP server with some FTP client software.

FTP can be used to transfer very large files, especially files that are too large to be sent via email. However, the need for a server to exchange files with someone else makes this less practical than email.

FTP is also commonly used to upload web pages and web applications to web sites. Most web servers also feature an FTP server.

Some commonly use FTP clients are:

  • Windows: FileZilla
  • Mac: CyberDuck, Transmit
  • Unix: ftp command


  08/26/08 07:17, by admin, Categories: Networks

Frame-based computer networking technology used in local area networks (LANs). Ethernet defines wiring and signaling for the physical layer, and frame formats and protocols for the media access control (MAC)/data link layer of the OSI model. Ethernet is mostly standardized as IEEE 802.3.

It has become the most widespread LAN technology since the 1990s.


  08/26/08 01:48, by admin, Categories: Imaging

A bitmapped image format used internally by the Microsoft Windows graphics subsystem (GDI), and used commonly as a simple graphics file format on Windows.

IEEE 1284

  10/03/09 20:05, by sandeepbk, Categories: Imaging

IEEE 1284 is a parallel port standard of conectivity interface developed by the Institution of Electrical and Electronics Engineers (IEEE).  The term "1284-B" is a connector end of a parallel cable which is attached to other components (i-e: a printer).

Dual Inline Memory Module (DIMM)

  08/26/08 02:01, by admin, Categories: Uncategorized

A small circuit board that holds memory.

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