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Social Networking

the gathering together of groups of people using online tools to connect and exchange ideas

Crisis mapping tool

collects information from e-mails, texts, blog posts and twitter tweets and maps, making the info publicly available

Digital Divide

gap for the difference in ease of access to technology

Creative surplus

21st century has seen a dramatic shift describing the ability of the world's populace to volunteer and collaborate on large projects


freedom to work without constant direction and control


the feeling of confidence and excitement from seeing your own skills progress


the understanding that you are working for something larger than yourself

QR codes

lets any piece of print in the real world host a live link to online information and video content


checking in with the voice of the crowd

collaborative consumption

implies that we are joining together as a group to use a specific product more efficiently

computer literate

being familiar enough with computers that you understand their capabilities and limitations and use them efficiently


being sent to other countries

computer forensics

analyzes computer systems with specific techniques to gather potential legal evidence

What was the first personal computer called?

Altair 8800

Beginners All-Purpose Symbolic Instruction Code (BASIC)

revolutionized the software industry and led to the creation of Microsoft

Disk II

created by Wozniak so programs could be saved more efficiently and operating systems developed

Disk Operating System

OS that controlled the first Apple computers

Control program for Microcomputers

first OS designed for the Intel 8080 chip

Quick and dirty operating system

developed by Seattle Computer products


one of the main reasons for the rapid increase in PC sales (spreadsheet program that could be used on PCs)

Lotus 1-2-3 & microsoft excel

they put visicalc out of business


first word processing application

Graphical user interface

allowed users to interact with the computer more easily


photocopier manufacturer

The Lisa

named after Steve Job's daughter


web browser came out in 1993 - caused internet traffic to increase by nearly 350%

Windows 95

first Microsoft OS designed to be principally a GUI OS


first accurate mechanical calculator

Jacquard Loom

relied on stiff cards with punched holes to automate the weaving process

Analytical engine

first automatic calculator

difference engine

huge steam-powered mechanical calculator to print astronomical tables


thought to be the first computer to include certain features that are integral to today's systems

Atanasoff-Berry Computer

used to vacuum tubes to store data


program that translates english-language instructions into computer language

Electronic Numerical Integrator and Computer

U.S. gov sponsored machine developed to calculate the settings used for weapons

Universal Automatic Computer

first commercially successful electronic digital computer; operated on magnetic tape; considered a first-generation computer


another means to store data

Integrated circuit

a small chip capable of containing thousands of transistors

Microprocessor chip

small chip containing millions of transistors (fourth-generation computers)


gathers data or allows users to enter data


it manipulates, calculates or organizes that data into information


displays data and info in a form suitable for the user


saves data and information for later use


data that has been organized or presented in a meaningful fashion


manipulating, calculating or organizing data into info

Binary language

consists of just two digits: 0 and 1


formed by 8 combined digits


1,000 bytes


1 million bytes


1 billion byte


1 trillion bytes


any part of the computer you can physically touch

application software

set of programs you use on a computer to help you carry out tasks such as writing a research paper

system software

set of programs that enables your computer's hardware devices and application software to work together

operating system

program that controls the way in which your computer system functions

notebook computer

a portable computer that has a keyboard, monitor and other devices in one; powered by a battery or AC adapter


small, lightweight notebook with a longer battery life than a notebook

Tablet PC

similar to a notebook computer, but the monitor swivels and folds flat

Tablet computer

IPAD - mobile computer integrated into a flat multi-touch sensitive screen

Desktop computer

intended for use a single location

Peripheral device

monitor or keyboard connected to computer

All-in-one computer

Apple iMac - eliminates the need for a separate tower because these computers house the computer's processor and memory in the monitor unit


large, expensive computer that supports hundreds of users spontaneously


can perform complex calculations extremely fast

embedded computer

specially designed computer chip that resides in another device, such as your car or the electronic thermostat in your home

Input device

enables you to enter data and instructions into the computer


an input device that looks like a skinny pen but has no ink


a wireless transmission standard that facilitates the connection of electronic computing devices such as cell phones, smartphones and computers to peripheral devices


pulls up a magnification box that you can drag around the screen to enhance viewing of hard-to-read images

Web search

allows you to quickly highlight a word or phrase and then press the search button on the mouse to start a Web search

File storage

includes a wireless USB receiver that contains flash memory to store or back up your files

Output device

enables you to send processed data out of your computer in the form of text ,pics, sound or video


displays text, graphics and video as soft copies


width-to-height proportion of a monitor


the clearness or sharpness of the image

contrast ratio

measure of the difference in light intensity between brightest white and darkest black that monitor can produce

viewing angle

measured in degrees - tells how far you can move to the side of the monitor before the image quality degrades to unacceptable levels


measured as candelas per square meter

response time

measurement of time it takes for a pixel to change color

nonimpact printers

sprays ink or uses laser beams to transfer marks onto the paper

impact printer

has tiny hammerlike keys that strike the paper through an inked ribbon, making marks on the paper

inkjet printer

standard printer in most homes

laser printer

uses laser beams and static electricity to deliver toner onto the correct areas of the page


produce oversize pictures that require the drawing of precise and continuous lines, such as maps, detailed images and architectural plans

thermal printer

work by melting wax-based ink onto ordinary paper or by burning dots onto specially coated paper (print receipts)


main circuit board that contains the central electronic components of the computer, including the computer's processor, memory, etc

system unit

metal or plastic case that also houses the power source and all the storage devices

expansion cards

circuit boards that provide additional functionality

sound card

provides a connection for the speakers and mic

video card

provides a connection for the monitor

modem card

provides the computer with a connection to the internet via a traditional phone line

network interface card

enables your computer to connect with other computers or to a cable modem to facilitate a high-speed internet connection

random access memory

place in a computer where programs and data are stored

volatile storage

temporary location

Read-only memory

holds all the instructions the computer needs to start up when it's powered on

Central processing unit

brain; controls all functions performed by computer

hard disk drive

your computer's primary device for permanent storage and documents

nonvolatile storage

holds data and the instructions your computer needs permanently

solid-date drive

has become a more feasible option for desktop and laptop storage

drive bay

permanent storage device in computer

external hard drive

small enough to fit in your pocket and have storage capacities of 1 or 2 TB; attach to computer through USB

optical drive

can read from and even write to CDs, DVDs, or Bluray discs


place through which a peripheral device attaches to the computer so that data can be exchanged between it and the operating system

universal serial bus port

most common type used to connect input and output devices to the computer

Firewire 800 & 400

400 moves data at 400 Mbps; 800 doubles the rate to 800 Mbps

Connectivity port

can give you access to networks and the internet or make your computer work as a fax machine

Ethernet port

transfers data at speeds up to 10,000 Mbps

Modem port

accepts a standard phone line connector to connect to internet

Video graphics array

port to which CRT monitors connect

Digital video interface and S-video

newer LCD monitors & DVDS connect to these

High-definition multimedia interface

compact audio-video interface that carries both high-definition video and uncompressed digital audio on one cable

power supply

housed inside system unit, transforms the wall voltage to the voltages required by computer chips

Warm boot

restarting the computer while it's powered on


an applied science concerned with designing and arranging things people use so that the people and things interact most efficiently and safely

Why was the internet created?

Developed while U.S. was in cold war with soviet union

Web browser

software that enables a user to display and interact with text and other media on the web


computer that asks for data


computer that receives the request and returns data to the client

Internet backbones

largest and fastest pathways are the main arteries of the Internet

Internet protocol address

set of four numbers separated by periods and referred to as a dotted quad or dotted decimal

Web 2.0

The social web

Email client

to read, send and organize your email (microsoft outlook)


clip of audio or video content that is broadcast over the Internet using compressed audio and video files such as MP3s and MP4s

Rss (really simple syndication)

XML based format that facilitates the deliver of frequent content updates on web pages


software programs that go out and grab the latest updates of web material according to your specifications


broadcast of audio or video content over the Internet


anything involving one or more forms of media in addition to text (Graphics)

streaming audio

continuously feeds an audio file to your browser so you avoid having to wait for the entire file to download completely before listening to it

streaming video

continuously feeds a video file to your browser so that you can watch large files as they download instead of first having to download the files completely

electronic commerce

process of conducting business online


exchanges that take place between businesses and consumers such as purchases on online stores


portion of e-commerce; consists of businesses buying and selling goods and services to other businesses


portion of e-commerce consists of consumers selling to each other through online auction sites

secure socket layer

http:// to https://

URL (uniform resource layer)

unique address

Hypertext Transfer protocol

allows files to be transferred from a Web Server

Web server

computer that hosts the Website you are requesting

file transfer protocol

used to upload and download files from your computer to a Web server


location that maintains the computers that store the Web site files

toplevel domain

suffix after the dot (.com)


information after the slash indicates a particular file


specially coded element used to jump from one web page to another

breadcrumb trail

list of pages within a website you've visited

Live bookmark

feature of firefox; adds technology of RSS feeds to bookmarking

Social bookmarking

(tagging) lets you store, organize and manage bookmarks of Web pages


term that is assigned to a piece of information such as a Web page, digital image or video

Search engine

set of programs that searches the web for keywords

subject director

a structured outline of web sites organized by topics and subtopics


collects data on web, following links in Web sites and reading Web pages

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