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119 Cards in this Set
- Front
- Back
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RAID storage design that writes data on 2 disks at the same time to duplicate the data
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Mirroring
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Information system that captures & processes data from day-to-day business activities
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TPS (transaction processing system)
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Process of comparing data with a set of rules or values to find out if the data is correct
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Validation
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graphical interface in a visual programming language that allows programmers to drag & drop objects to develop programs
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VPE (visual programming environment)
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subset of XML that allows web developers to design pages specifically for microbrowsers
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WML (wireless markup language)
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instructions saved in software such as a word processing or spreadsheet program
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macro application program
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capability of assembly language that generates many machine language instructions for a simple assembly language instruction
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macro assembly language
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programs that control or maintain the operations of a computer and its devices
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system software
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set of programs containing instructions that coordinate all the activities among computer hardware resources
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platform
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reorganizing a disk so that files are stored in contiguous sectors, this speeding up disk access and the performance of the entire computer
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defragmenting
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series of network standards developed by IEEE that specifies how two wireless devices communicate over the air with each other
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802.11
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communications device that connects multiple computers or other routers together and transmits data to its correct destination on a network
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router
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A single copper wire surrounded by at least 3 layers: 1) an insulating material, 2) a woven or braided metal, and 3) a plastic outer coating
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coaxial cable
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a group of related fields in a database
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record
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process used with data warehouses to find patters and relationships among data
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data mining
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technology of authenticating a person's identity by verifying a personal characteristic
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biometrics
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the science of incorporating comfort, efficiency, and safety into the design of the workplace
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ergonomics
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systems analysis and design tool that graphically shows the connections among entities in a system
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ERD (entity-relationship diagram)
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used by Java to convert the bytecode into machine-dependent code that is executed immediately
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Just-In-Time (JIT) Compiler
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an action to which a program responds
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Event
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developed by IBM in the early 1960's at assist businesses in generating reports
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RPG (Report Program Generator)
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Query language that allows users to manage, update, and retrieve data in a relational DBMS
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SQL
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Concept of packaging data and procedures into a single object
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Encapsulation
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Information system that helps users analyze data and make decisions
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DSS (Decision Support System)
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information system that captures and stores the knowledge of human experts and then imitates human reasoning and decision making
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expert system
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uses search text, or keywords, to find what a user is looking for...and can use a program called spider to build or maintain lists of words found on websites
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web search engine
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type of HTML that allows web developers to include more graphical interest and interactivity in a Web page
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DHTML (Dynamic HTML)
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contains a list of programs that open automatically when you boot a computer
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startup folder
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the core of an operating system that manages memory and devices; maintains the computer's clock, starts applications, and assigns the computer's resources
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Kernel
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layout of computers and devices in a communications network
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Topology
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network technique of breaking a message into individual packets, sending the packets along the best route available, and then reassembling the data
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Packet Switching
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ISDN line technique of carrying three of more signals at once through the same line
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Multiplexer
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dozens or hundreds of thin strands of glass or plastic that use light to transmit signals
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fiber-optic cable
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named collection of stored data, instructions, or information
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File
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employee who creates and maintains the data dictionary; manages security and monitors performance of the database
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DBA (Database Administrator)
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a notice that guarantees a user or a Web site is legitimate
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Digital Certificate
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measure of how suitable the development of a system will be to the company
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Feasibilities
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Systems analysis and design tool that graphically shows the flow of data in a system
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DFD (Data Flow Diagram)
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Programming language in which a programmer writes instructions using symbolic instruction codes
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Assembly Language
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Microsoft's set of technologies that allows almost any type of program to run on the internet or internal business network, as well as stand-alone computers
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.NET
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an item that can contain both data and the procedures that read or manipulate that data
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Object
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interpreted program that runs on a client
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Script
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program that manages the sending and receiving data between the front end and the database server
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CGI (Common Gateway Interface)
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Referring to object-oriented analysis and design, database, and programming language
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OO
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curriculum that teaches students technical knowledge and skills and focuses on how to apply these skills; also called management information technology or computer information systems (CIS)
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MIS (Management Information System)
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RAID storage technique that splits data, instructions, and information across multiple disks in the array
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Striping
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The simplest level of RAID, called mirroring, which writes data on two disks at the same time to duplicate the data
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RAID 1
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search utility feature that stores a variety of information about a file, including its name, date created, date modified, author name, and so on
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Index
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a set of rules that defines how pages transfer on the internet
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HTTP (Hypertext Transfer Protocol)
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Third-party organization that manages and distributes software and services on the web
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ASP (Application Service Provider)
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type of user interface that allows a user to interact with software using text, graphics, and visual images, such as icons
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GUI (graphical User Interface)
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process of converting convertible data into unreadable characters to prevent unauthorized access
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Encryption
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set of standards for digital transmission of data over standard copper telephone lines
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ISDN (Integrated Services Digital Network)
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Central device that provides a common connection point for nodes on the network
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Hub (Star Network)
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the time it takes a signal to travel from one location to another on a network
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Latency
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built-in connection to another related web page or part of a Web page
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Hyperlink
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program that copies itself repeatedly, using up system resources and possibly shutting down the system
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Worm
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listing of activities that change the contents of a database
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Log (Database)
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element in a DFD, indicated by a circle, that transforms an input data flow into an output data flow
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Process (Program)
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a policy that outlines the computer activities for which the computer and network may and may not be used
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AUP (Acceptable Use Policy)
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HTML codes that specify links to other documents and indicate how a Web page is displayed when viewed on the Web
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Tag
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applet that runs on a server
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servlet
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approach to information management in a manufacturing environment that uses software to help monitor and control processes related to production
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MRP (Material Requirements Planning)
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Measure of how often hardware is online
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Availability
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groups of two or more integrated disks that acts like a single large hard disk
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RAID (Redundant Array of Independent Disks)
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process of transferring documents, graphics, and other objects from a computer to a server on the internet
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Uploading
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Unique address for a Web page
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URL (Uniform Resource Locater)
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Request for specific data from a database
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Query
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the act of compressing files, which usually leads to them having a .zip file extension
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Zipping
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to change a document's appearance
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Formatting
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standard that outlines characteristics of how two network devices communicate
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Protocol
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Type of digital technology that provides high-speed internet connections using regular copper telephone lines
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DSL (Digital Subscriber Line)
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term used to refer to each computer or device on a network
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Node
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Electrical disturbance that can degrade communications
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Noise
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term used by developers of relational databases for file
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Relational
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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
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Virus
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duplicate of a file, program, or disk placed on a separate storage medium that can be used if the original is lost, damaged, or destroyed
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Backups
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document sent to a vendor during the system development cycle where the vendor selects the products that meets specified requirements and then quotes the prices
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RFP (Request for Proposal)
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User or other entity such as a program represented in a use case diagram
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Actor
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Encrypted (scrambled) data
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Ciphertext
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Graphical interface in a visual programming language that allows programmers to drag and drop objects to develop objects
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VPE (Visual Programming Environment)
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Interpreted program that runs on a client, but is compiled
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Applet
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Individual business activity
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Transaction
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measure of how well computer hardware, software, or an information system can grow to meeting increasing performance demands
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scalability
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information system that helps users analyze data and make decisions
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DSS (Decision Support System)
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the applications of human intelligence to computers
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AI (Artificial Intelligence)
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A counter of how many times a web site is visited
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Hit Counter
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Term used by users of relational databases for file
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Table
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the state of an operating system that spends too much of its time paging, instead of executing application software
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Thrashing
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network standard that specifies no central computer or device on the network should control when data can be transmitted
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Ethernet
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Uses coaxial wires to transmit data to televisions
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CATV (Cable Television)
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smaller groups of bits that are split from the transport layer
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Packets
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A number, letter, punctuation mark, or other symbol that is represented by a single byte in the ASCII and EBCDIC coding schemes
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Character
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A chart that descends from a single entity, then on down the chart
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Hierarchical
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Term that refers to links in text-based documents
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Hypertext
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program named after the Greek myth that hides within or looks like a legitimate program
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Trojan Horse
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Security technique that provides encryption of all data that passes between a client and an internet server
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SSL (Secure Sockets Layer)
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Document sent to a vendor during the system development cycle that identifies required products
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RFQ (Request for Quotation)
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the function that the actor can perform
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Use Case
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Known specific pattern of virus code
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VBA (Visual Basic for Applications)
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Graphical image that points to one or more Web addresses
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Image Map
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Machine language version of a program that results from compiling a 3GL source program
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Object Code
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information system that enables employees to perform tasks using computers or other electronic devices, instead of manually
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OIS (Office Information System)
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Sharing information with other information systems within an enterprise
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Interoperability
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Complete computer server, such as a network server or Web server, packed on a single card
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Blade Servers
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network standard, specifically a protocol, that defines how message (data) are routed from one end of a network to the other, ensuring data arrives correctly
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TCP/IP
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small program that tells an operating system how to communicate with a specific device
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Driver
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Operating system process that sends print jobs to a buffer instead of sending them immediately to the printer. The buffer then holds the information waiting to print while the printer prints from the buffer at its own rate of speed
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Spooling
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Network standard in which computers and devices on the network share or pass a special signal, called a token, in a unidirectional manner and in a present order
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Token Ring
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any of several types of long-distance digital telephone lines that carry multiple signals over a single communications line
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T-carrier
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either transmission media or two separate insulated copper wires that are twisted and bundled together
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Twisted-pair cable/wire
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a combination of one or more related characters or bytes, it is the smallest unit of data a user accesses
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Field
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process designed to insure the data within the relations (tables) in a database contains the least amount of duplication
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Normalization
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software that aids in engineering, drafting, and design
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Computer-aided Design
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small text file that a Web server stores on a computer
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Cookie
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destructive event or prank malware is intended to deliver
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Payload
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Less formal document sent to a vendor during the system development cycle that uses a standard form to request information about a product or service
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RFI (Request for Information)
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Analysis and design tool in the UML that graphically shows classes and subclasses in a system
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Class Diagram
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Programmed formula that the recipient of data uses to decrypt ciphertext
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Encryption Key
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