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89 Cards in this Set
- Front
- Back
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Network Database
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any devices, such as a geteway, hub, or router, that is used to broadcast network data, boost signals, or route data to its destination
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Network interface Card
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circuitry, often on a expansion card mounted inside a computer, that transmits and receives data on a local area network. Also called a NIC, network card, or network adapter
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Network service providers
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(NSP's) companies that maintain a series of nationwide Internet links
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Non-volatile
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Any electronic component that does not require a constant supply of power to hold data
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Open source
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an approach to developing and licensing software in which source code remains public so it can be improved and freely distributed
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Operating System
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the software that controls the computer's use of its hardware resources, such as memory and disk storage space. Also called OS
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Operational Planning
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the scheduling and monitoring of workers and processes
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Optical Storage
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a technology that records data as light and dark spots on a CD, DVD, or other optical media
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Organizational Chart
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a diagram showing the heirarchy of workers in an organziation
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Peer-To-Peer Mode
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a method of using a network in which workstations act as both file servers and clients
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Peripheral Device
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a component or equipment, such as a printer, that expands a computer's input, output, or storage capabilities
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Phishing
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An e-mail based scam that's designed to fool users into revealing confidential information
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PIECES framework
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a concept developed by James Wetherbe to help indentify problems in an information system. Each letter of PIECES stands for a potential problem (Performance, Infomation, Economics, Control, Efficiency, and Service)
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Pirated Software
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Software that is copied, sold, or distributed with/out permission from the copyright holder
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Pits
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Spots on a CD that are burned onto an optical storage medium to repersent digital data
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Pixels
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Short for picture element; the smallest unit in a graphic image. Computer display devices use a matrix or pixels to display text and graphics
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Port Probe
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an exploit used by hackers to locate computer ports that can be used for surreptitious access
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RAM
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(random access memory) Computer memory circuitry that holds data, program instructions and the operating system while the computer is on
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Rasterization
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the process of superimposing a grid over a vector image and determining the color depth for each pixel
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Relative Reference
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In a worksheet, a cell reference that can change if cells change position as a result of a move or copy operation
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Rendering
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In graphics software, the process of creating a 3D solid image by covering a wireframe drawing and applying computer generated highlights and shadows
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Resolution dependent
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graphics, such as bitmaps, in which the quality of the image is dependent on the number of pixels comprising the image
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RF Signals
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(radio frequency signals) Data that is broadcast and received via radio waves with a transceiver
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Ring topology
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a network in which all devices are connected in a circle with each device having exactly two neighbors
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ROM
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(Read-only Memory) Refers to one or more intergrated circuits that contain permanent instructions that the computer uses during the boot process
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Root directory
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the main directory of a disk
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Routable IP address
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A network address that can be routed over the internet; contrast to private IP address
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Search Engine Indexer
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the component of a search engine that reviews the Web pages brought back by a crawler and creates pointers to them so that they can be quickly accessed
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Site License
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Legal permission for software to be used on any and all computers at a specific location ( for example, within a corporate building or on a university campus)
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SMTP
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(Simple Mail Transfer Protocol) a communication protocol used to send e-mail across a network or the Internet
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Solid State Storage
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technology that records data and stores it in a microscopic grid cells on a non-volatile, erasable, low-power chip
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Sound Card
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a circuit board that gives the computer the ability to accept audio input from a microphone, play sounds files, and produce audio output through speakers or headphones
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SSL
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(Secure Sockets layers) a security protocol that uses encryption to establish a secure connection betwen a computer and a Web server
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Star topology
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a network configured with a central connection point thathub for all workstations and peripherals
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Static Web publishing
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A simple way to display the data in a database by converting a database report into an HTML document
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Storage
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the area of a computer where data is retained on a permanent basis
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Storage Density
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closeness of the particles on a disk surface. As debnsity increases, the particles are packed more tightly together and are usually smaller
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Storage Devices
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mechanical apparatus that records data to and retrieves data from a storage medium
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Storage Medium
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physical material used to store computer data, such a floppy disk, a hard disk, or a CD-ROM
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Store- & - Forward
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tehcnology used by communications networks in which an e-mail message is temporarily held in storage on a server until it is requested by a client computer
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Stored program
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A set of instructions that resides on a storage device, such as a hard drive, and can be loaded into computer memory and excuted
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Strategic Planning
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proccess of developing long-range goals and plans for an organization
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Syntax Error
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an error that results when an instruction does not follow the syntax rules, or grammar, of the programming language
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Tactical Planning
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short or near term decisions and goals that deploy the human, financial and natural resources neccessary to meet stategic goals
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TCP
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(transmission Control Protocol) the protocol within TCP/IP that is responsibel for est. a dataconnection between two hosts and breaking data into packets
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TCP/IP
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(transmission Control Protocol/ Internet Protocol) the primary protocol suite for transmitting messages over the internet
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Tracing software
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software that locates the edges of objects in a bitmap graphic and converts the resulting shape into a vector graphic
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Tree topology
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multiple star networks connected into a bus configuration by a backbone
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Tojan horse
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a computer program that appears to perform one function whicle actually doing something else, such as inserting a cirus into a computer system or stealing a password
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UNIX
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a multiuser, multitasking server operating system developed by AT&T bell laboratories in 1969
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URL
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Unifrom Resource Locator - the address of a web page
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User interface
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the software and hardware that enable people to interact with computers
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Vector graphic
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an image generated from descriptions that specify the position, lengh, and direction in which lines and shapes are drawn
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Vertical Market Software
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computer programs designed to meet the needs of a specific market segment or industry, such as medical record- keeping softwarte for use in hospitals
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VoIP
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( Voice over Internet Protocol) hardware etc, used to make telephone style calls over the internet. AKA = internet telephony
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WAN
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(Wide Area Network) interconnected group of computers and peripherals that cover a large geographical area such as multiple branches of corporation
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Web authoring Software
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computer programs for designing and developiong sustomized web pages taht can be published electonically on the internet
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Web Search Engine
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a program that uses keywords to find information on the internet and returns a lists of links to relvant documents
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Web Server
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a computer that listens for queries form web browsers and transmits HTML documents over the Internet
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Web Site
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a web address that holds a collection of information identified by a common domain name, such as www.cnn.com
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Web Site Designer
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a computer professional who creates, tests, posts, and modifies HTML documents and other data for a web site
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Wi-Fi
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An ethernet compatible wireless network that uses 802.11a,b,g, and n standards
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Wi-Fi hotspot
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the geographical area in which you can connect to a WIFI signal
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Windows
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an element of graphical user interfaces that is rectangular in shape and displays the conrtolsfor a program or a dialog box
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Windows Explorer
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a file management utility included with most Windows operating system that helps users manage their fiels
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WMA
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(windows media audio) a file format with a wma extension that is promoted by microsoft and provides highly compressed audio files with very little loss of sound quality
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Word processing software
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computer programs that assist the user in producing documents, such as reporst, letters, papers, and manuscripts
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XHTML
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a markup language very similar toHTML4.01 but more customizable
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XML
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Extensible Markup language -- document format similar to HTML, but that allows the web pages developer to define customized tags, generally for the purpose of creating more interactivity
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Analysis Phase
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Tasks performed by the project team whose goal is to produce a list of require for a newé revised info system
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Bus Topology
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Network arranged on a communication backbone that connects all networks devices -- if backbone fails=network unusable
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Antivirus Software
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a computer program used to scan a computer`s memory and disks to identify isolate and eliminate viruses
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Ad hoc Report
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a customized report ( AKA demand report) generated as needed
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Absolute Reference
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in a worksheet formula, cell reference ( usually `$`symbol) that cannot change a result of a move or copy operation
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EULA
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(End user Lisence Agreement) software licence that appears on screen when a software is being installed
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Firewall
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softwareéhardware designed to analyze and control incoming and outgoing packets on a network, used to enhance security by filtering out potential intrusions attempts
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FTP
File Transfer Protocol |
set or rules for uploading and downloading files between a client computer and remote server
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MH2
Megahertz |
measure of frequency equilvent to one million cycles per second
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Gigahertz
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A measure of frequency equilevent to one billion cycles per second
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Gigabyte
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approx one billion bytes, exactly 1024 megabytes
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Gigabit
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approx one billion bits, exactly 1024 megabits
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magnetic Storage
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technology for recording data onto disks for type by magnetizing participles of an oxide-based surface coating
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Linex
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operating system that is a dervative of UNIX, available as freeware, and widely used for servers though it is also used on personal computers and workstations
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LAN
Local Area Network |
interconnected group of computers and peripherals located within a limited area, such as a building or campus
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Kernel
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The core model of an operating system that typically manages memory, processes tasks and storages devices
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JPEG
Joint Photographic Experts Group |
A format that uses lossy compression to store bitmap images
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Internet backbone
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major communications links that form the core of the internet
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Intregration testing
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testing of comleted modules of an application to ensure that they operate together correctly
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Exception Report
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report generated by managing infomation system list infomation that is outside normal ranges. ( recorder report showing low stock inventory items)
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