Computer Lit test 1
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54 terms
Terms | Definitions |
|---|---|
 biometric security measures | technique/device that examines fingerprints, voice pattern, or iris/retina of the eye |
| filtering | method of copying data in a worksheet |
| hoax | attempt to deceive an audience into believing something false is true |
| fraud | something intended to deceive; deliberate trickery to gain an advantage |
| logic bomb | computer virus triggered by the appearance/disappearance of specified data |
| netiquette | net+etiquette good manners/proper behaviors when communicating through electronic media |
| phishing | types of personal information scams |
| pyramid schemes | *** |
| RDF summary | format originally developed to facilitate by the syndication of news articles |
| spam | unsolicited commercial email sent to many people at once to promote products or services (junk mail) |
| tagging | practice of adding keywords to content to simplify searching |
| teleconferencing | telecommunications service- parties in remote locations have meetings via telephone |
| time bomb | virus that damages computers on a certain date or after it has been booted a certain amount of times |
| Trojan horse | virus that does something different than what its expected to do |
| urban legend | story that could have once been partially true but its grown into a myth |
| virus | computer program that is written to cause corruption of data |
| worm | virus that copies itself and slows down or even halts tasks |
| cable modem | a device that uses coaxial cable to end and to receive data |
| client | a computer that uses the services of another program |
| client/server network | computer configuration in which one or more computers on the network act like a server |
| communication channels | link from one computer to another through which data can be transmitted |
| digital subscriber line | an internet technology that provides for the transfer of information to a computer at a high-speed band width over ordinary copper telephone lines |
| extranet | a network configuration that allows selected outside organizations to access internal information systems |
| firewall | a combination of hardware and software that creates a buffer between an internal network and the internet to prevent unauthorized access |
| hacker | expert computer user who invades anothers computer either for personal gain or the satisfaction of being able to do it |
| hub | junction where information arrives from connected computers or peripheral devices and is then forwarded in one o0r more directions to other computers/devices |
| internet | largest network used as a communication tool |
| intranet | network designed for the exclusive use of computer users within an organization that can't be accessed by users outside the organization |
| local area network | a series of connected personal computers, workstations, and other devices, such as printers and scanners, within a confined space such as an office building |
| modem | communications hardware device that facilitates the transmission of data |
| node | a device on the network |
| peer-to-peer | computer architecture in which all computers on a network are equal and there is not computer designated as a server |
| proxy server | server that acts as intermediary between a user and the internet |
| public switched telephone network | world collection of interconnected commercial and govt owned voice-oriented systems |
| router | a device that directs traffic on a network by dividing data into smaller packets that travel by different routes and then are reassembled at their designation |
| server | computer that handles requests for data email fire transfers and other network services from other computers |
| server operating system | high end programs designed to provide network control and include special functions for connecting computers and other devices |
| t-1 line | type of fiber optic telephone line that can transmit up to 1.544 megabites per second or can be used to transmit 24 digitalized voice channels |
| wide area network | computer network that covers a large geographical area. most are made out of several connected large area networks |
| worldwide interoperability for microwave access | recent wireless technology that delivers maximum speeds of 7 mbps to your cell phone, home computer, or car |
| wireless internet service providers | provide connection speeds for than 30x faster than dial-up connection s from 384 kbps to 2 mbps |
| wireless local area network | variation of the LAN that uses no physical wire |
| address book | part of most email program/;used to keep a list of contacts and their email addresses |
| archiving | saving or transferring of data to a storage device or folder for the purpose of saving space or organizing data |
| attachment | document, image, figure, or other file that you can attach to an email message |
| distribution list | list of email addresses you can use to send the same message to a group |
| electronic mail (email) | transmission of electonic messages over networks |
| email address | user name of the individual, @, and the user's domain name |
| instant messaging | a form of electronic communication that allows you to send and receive text messages in "real-time" from friends and colleagues online currently |
| packets | units of data sent across a network |
| signature | text or graphic added to the end of outgoing email messages |
| text messaging | using a cell phone (mobile device) to send and receive written messages |
| user agent | software application installed on the local pc, network, or web, such as email, text messaging, and instant message programs |
| windows mail | email software provided with window vista |
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