system-wide password
61Scientific opinion on climate change — This article is about scientific opinion on climate change. For public perception and controversy about the scientific consensus, see Public opinion on climate change and Global warming controversy. For opinions of individual dissenting… …
62History of virtual learning environments 1990s — In the history of virtual learning environments, the 1990s was a time of growth, primarily due to advent of the affordable computer and of the Internet.1990s1990* Formal Systems Inc. of Princeton, NJ, USA introduces a DOS based Assessment… …
63Pre-boot authentication — (PBA) serves as an extension of the BIOS or boot firmware and guarantees a secure, tamper proof environment external to the operating system as a trusted authentication layer. The PBA prevents anything being read from the hard disk such as the… …
64Cracking of wireless networks — is the penetration of wireless networks. A wireless network can be penetrated in a number of ways. These ways vary greatly in the level of computer skill and commitment they require. Once within a network, a skilled hacker can modify software,… …
65Windows Services for UNIX — (SFU) or Subsystem for UNIX based Applications (SUA) is a software package produced by Microsoft which provides a Unix subsystem and other parts of a full Unix environment on Windows NT and some of its immediate successor operating systems. It… …
66Palm OS — Infobox OS name = Palm OS (Garnet OS) caption = A typical Palm OS display. developer = Palm, Inc., ACCESS (Garnet OS) source model = Closed source kernel type = supported platforms = ui = family = Palm OS released = 1996 latest release version =… …
67Anti-spam techniques — To prevent e mail spam (aka unsolicited bulk email), both end users and administrators of e mail systems use various anti spam techniques. Some of these techniques have been embedded in products, services and software to ease the burden on users… …
68police — /peuh lees /, n., v., policed, policing. n. 1. Also called police force. an organized civil force for maintaining order, preventing and detecting crime, and enforcing the laws. 2. (used with a pl. v.) members of such a force: Several police are… …
69Kernel (computing) — A kernel connects the application software to the hardware of a computer In computing, the kernel is the main component of most computer operating systems; it is a bridge between applications and the actual data processing done at the hardware… …
70Brute-force attack — The EFF s US$250,000 DES cracking machine contained over 1,800 custom chips and could brute force a DES key in a matter of days. The photograph shows a DES Cracker circuit board fitted with 32 Deep Crack chips and some control chips. In… …
