Saturday, February 26, 2011
Directories
a graphical user interfaces such as Windows and the Macintosh environment, a folder is an object that can contain multiple documents.
boolean Logic
is a complete system for logical operations, used often since popularization of mathematical logic and discussions concerning the foundations of mathematics. It was named after George Boole, who first defined an algebraic system of logic in the mid 19th century.
-wikipedia
-wikipedia
Website
A site or a locationb on the World Wide Web. Each Web site contains a home page, which is the first document users see when they enter the site. The site might also contain additional documents and files.
Web Cache
Caches retrieved Web pages on the server's hard disk so that the page can be quickly retrieved by the same or a different user the next time that page is requested.
Web 2.0
Term used to refer to Web sites that provide a means
for users to share personal information, allow users to
modify Web site content.
Social Networking Site
Online community where its members to share their interests, ideas, stories, photos,music, and videos with other registered users.
Podcast
Recorded audio, usually an MP3 file, stored on a Web
site that can be downloaded to a computer or a portable media player such as an iPod.
Hit
Web page names displayedby a search engine that contain
the search text specified by a user.
Source: discovering computers 2010
Geographic Imaging
geographical information system, or geospatial information system is any system that captures, stores, analyzes, manages, and presents data that are linked to location. In the simplest terms, GIS is the merging of cartography, statistical analysis, and database technology.
source: wikipedia
source: wikipedia
File Transfer Protocol (FTP)
an Internet standard that permits file uploading and downloading with other computers on the
Internet.
Source: discovering computers 2010
ActiveX
Similar to an applet, an ActiveX control is a
small program that runs on the client computer,
instead of the server.
small program that runs on the client computer,
instead of the server.
Saturday, February 19, 2011
Worm
Malicious-logic program that copies itself repeatedly,
using up system resources and possibly shutting down the system.
Virus
Potentially damaging computer program that affects, or infects, a computer negatively by altering the way the computer works without a user’s knowledge or permission.
Trojan Horse
A destructive program that masquerades as a benign application. Unlike viruses, Trojan horses do not replicate themselves but they can be just as destructive.
Time Bomb
A malicious program that is programmed to "detonate" at a specific time and release a virus onto the computer system or network.
tagging
Commonly used in blogs, site authors attach keyword descriptions (called tags) to identify images or text within their site as a categories or topic.
RDF Summary
Short for Resource Description Framework. RDF is a general framework for describing a Web site's metadata, or the information about the information on the site. It provides interoperability between applications that exchange machine-understandable information on the Web.
Phishing
Phishing: where a perpetrator attempts to obtain your personal
and financial information by spoofing.
and financial information by spoofing.
logic bomb
A program code added to software or an operating system that hides for a period of latency, until that t ime where the code is triggered.
Text Messaging
Text Messaging: Also called SMS a service which allows the user to send and receive text messages on mobile devices.
Signature
Signature: the shape of a person’s handwritten signature or the name of an individual at the foot of an email.
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