typical headers
71Oracle bone script — Type Logographic Languages Old Chinese Time period Bronze Age China …
72Greylisting — (or graylisting) is a method of defending e mail users against spam. A mail transfer agent (MTA) using greylisting will temporarily reject any email from a sender it does not recognize. If the mail is legitimate, the originating server will try… …
73PC/104 — This article is about the embedded computer standard. For the keyboard layout that Linux/Unix documentation referred to as pc104, see IBM PC keyboard. Computer form factors Name PCB size (mm) WTX 356 × 425 AT 350 × 305 …
74BSAVE (graphics image format) — A BSAVE Image (aka BSAVED Image ) as it is referenced in a graphics program is an image file format created usually by saving raw video memory to disk (sometimes but not always in a BASIC program using the BSAVE command).cite web|url = http://www …
75Wireless USB specification — Certified Wireless USB (W USB for short) is the specification of a wireless extension of the USB standard which intends to further increase the availability of general USB based solutions. It is maintained by the WiMedia Alliance, and as of 2007… …
76Debian build toolchain — A typical input of the Debian build tools: three files constituting the source package (the bottom) and the unpacked source tree with a debian subdirectory added there by the package maintainer. The Debian build toolchain is a collection of… …
77Chlorine production — This article presents the industrial and laboratory methodologies to prepare elemental chlorine. Contents 1 Gas extraction 1.1 Mercury cell electrolysis 1.2 Diaphragm cell electrolysis (Bipolar) …
78Usenet — A diagram of Usenet servers and clients. The blue, green, and red dots on the servers represent the groups they carry. Arrows between servers indicate newsgroup group exchanges (feeds). Arrows between clients and servers indicate that a user is… …
79Compact Disc and DVD copy protection — CD/DVD copy protection is a blanket term for various methods of copy protection for CDs and DVDs. Such methods include DRM, CD checks, Dummy Files, illegal tables of contents, over sizing or over burning the CD, physical errors, and bad sectors.… …
80Society and culture of the Han Dynasty — A Western Han jade carved door knocker with designs of Chinese dragons (and two other jade figurines) The Han Dynasty (206 BCE – 220 CE) was a period of ancient China divided by the Western Han (206 BCE – 9 CE) and Eastern Han (25–220 CE) periods …
