Perter Norton Cis

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Software

Back 1

-- Electronic instructions consisting of complex codes.

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Users

Back 2

-- People who use computer systems.

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Data

Back 3

-- The raw facts that the computer stores.

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Processor

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-- This is like the brain of the computer.

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Motherboard

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-- A rigid card containing the circuitry that connects the processor to the other hardware.

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Magnetic Storage

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-- A storage media that uses the properties of magnetized oxide to store data.

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Optional Storage

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-- Media that use lasers to read or write data to reflective surfaces.

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Super computers

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-- The most powerful of computer systems.

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Mainframe computers

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-- Large computer systems that are used by large organizations to allow multiple users access information.

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Minicomputers

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-- A smaller version of the mainframe that is easier to program and serves a number of users.

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Personal Computers

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-- What we refer to as a PC.

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ARPANET

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-- The basis of the Internet in that it connected universities and defense contractors for information sharing.

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Host

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-- A network computer that is like a network server and provides services to other computers that are attached to it.

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Internet

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-- The interlinking of many networks to form a global network.

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TCP/IP

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-- Transmission Control Protocol/Internet Protocol that is the universal protocol for the Internet.

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WWW

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-- World Wide Web created in 1989 as a method for incorporating information into hypertext documents.

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Web Browser

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-- A software application designed to find hypertext documents on the Internet.

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URLs

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-- Uniform Resource Locator

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E-Mail

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-- An electronic form of mail that is usually sent from one user to another user or many other users based on their email addresses.

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e-commerce

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-- Electronic commerce is a way to allow consumers to order or purchase items on line.

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Keyboarding

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-- The ability to enter text by using all ten fingers.

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Modifier Keys

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-- Keys that are used to modify the input of other keys.

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Cursor-movement Keys

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-- Keys that allow you to move around the screen without entering any information directly on the screen.

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Function Keys

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-- Keys that can be programmed to allow you to input commands without typing.

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Interrupt Request

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-- A signal sent by the keyboard controller that informs the computer that you want it to do something.

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Clicking

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-- Pressing and releasing the mouse button once when on an icon.

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Dragging

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-- Holding an icon or section of text and dragging it across the screen to another location on the screen.

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Game Controller

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-- A mouse like pointing input device.

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Optical Character Recognition (OCR)

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-- The ability for software to translate the image into text in the computer.

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Voice or Speech Recognition

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-- The ability to talk to the computer and having the computer translate that speech into input that can be stored as data.

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CRT

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-- Cathode Ray Tube

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Pixel

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-- The screen's phosphor coating organized into a grid of dots.

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LCD

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-- Liquid Crystal Display replaces the CRT in some applications.

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Digital Light Processing (DLP)

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-- A projection based system for displaying the output of the computers monitor.

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Sound Card

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-- Translates digital sounds into electric current that is sent to speakers.

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Dot Matrix Printers

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-- A form of impact printing where a number of pins are used in a print head to create forms on paper.

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Laser Printers

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-- A fast printer that is quiet and faster then the dot matrix printer

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Plotter

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-- A special kind of printer that is used for charting and drawing.

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Transistors

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-- Tiny switches that are actually the brain of the computer.

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Data

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-- The term used to describe the information represented by an on/off condition of electronic switches.

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Information

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-- What the computer provides after interpreting the data.

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Binary Number System

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-- A number system base of 2.

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Bit

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-- Refers to the single switch in either the on or off mode.

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Byte

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-- A combination of eight Bits that represent a symbol or character.

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EBCDIC

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-- Extended Binary Code Decimal Interchange Code.

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ASCII

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-- American Standard Code Information Interchange.

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Control Unit

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-- The traffic cop for the flow of data through the computer.

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CPU

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-- Central Processing Unit or brain of the computer.

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RAM

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-- Random Access Memory.

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ROM

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-- Read Only Memory.

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Polarized

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-- How a magnetic media retains data.

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Storage Devices

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-- Where data is stored.

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Formatting/Initializing

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-- Creating a clean surface on a magnetic media for the storage of data.

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Diskette

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-- A 5.25 or 3.5 inch disk of magnetic media for storage of data that is removable from the computer.

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Head Crash

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-- When the read/write head makes physical contact with the magnetic media.

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DAT

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-- Digital audiotape that is used for its high storage capacity.

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Throughput

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-- A time measurement used to measure the devices data transfer rate.

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Archive File

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-- A compressed file containing unneeded data.

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Icons

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-- Pictures that represent the parts of the computers you work with.

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Window

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-- An area on your screen that contains a running program.

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Dialog Boxes

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-- Special purpose windows that appear when you need to tell a program what to do.

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Clipboard

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-- A temporary storage space in the computers memory.

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OLE

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-- Object Linking and Embedding feature.

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Multitasking

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-- The ability of a computer to do more then one job at a time.

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Hierarchical File System

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-- A way to have one file hold another file.

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Utility Software

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-- Software that works in concert with the operating system to perform special functions.

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Windows

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-- A series of operating systems for the IBM compatible personal computers.

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Mac OS

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-- The operating system for the Macintosh line of computers.

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LINUX

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-- "Freeware" multitasking operating system

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DOS

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-- Disk Operating System

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UNIX

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-- The operating system most frequently used for Internet host computers

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Word wrap

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-- The ability of a word processor to know where the end of the page is located and to continue writing on a new line without using the return key.

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Fonts

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-- Refers to the characteristics of the letter

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Headers and Footer

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-- These are lines of text that run along the top and bottom of every page.

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Spell Checkers

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-- A program that was created to catch spelling mistakes and correct them.

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Worksheet

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-- This is a document in which you work as you create the spreadsheet.

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Labels

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-- This is the text that is within the worksheet cells that are not numeric in nature.

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Values

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-- This is any number or formula that creates a number in a cell in the worksheet.

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Functions

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-- These are built-in formulas that come with spreadsheets.

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Template

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-- a predesigned document with layout

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Cell

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-- Intersection of any row and column

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Textbox

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-- resizable boxes to contain specific types of content.

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WYSIWYG

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-- What You See Is What You Get. (pronounced wizzy wig).

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Incompatible

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-- Cannot be used with.

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DXF

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-- Data Exchange Format.

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IGES

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-- Initial Graphics Exchange Specification.

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Clip Art

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-- Graphics that are available for copying to another document.

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Photo-manipulation programs

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-- A software program that works like a photographer's darkroom.

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Draw Programs

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-- Graphics programs that work like an artist's brush to create graphic designs.

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CAD

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-- Computer Aided Design is a computerized version of the hand drafting process that has been used for many years.

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Computer generated imagery

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-- Works like the artist's animation that was done via pencil and paper.

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Data Communications

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-- The electronic transfer of data between computers.

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Network

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-- A way to interconnect computers.

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Read-only access

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-- The ability to read data but not be able to change it.

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E-mail

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-- A system for exchanging written messages through a network.

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Spooling

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-- A way for several computers to send print jobs to a networked printer.

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LAN

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-- Local Area Network. Where computers are hard-wired together to form a network.

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WAN

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-- Wide Area Network. Where two or more LANs are connected together across a geographical area.

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Server-based Networks

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-- Where a number of PCs can use a single server as a storage device for programs and data.

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Topology

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-- The physical or logical layout of the cables and devices that connect nodes of the network.

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Wireless Links

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-- A form of communication that relies on radio or infrared signals.

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Modem

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-- A device that enables computers to interact over telephone or cable lines.

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Database Management System (DBMS)

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- A software tool that allows multiple users to store

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Relational database

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-- Database made up of a set of tables.

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Flat file

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-- A sequential database.