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Chapter

PBIO 004 Chapter Notes -Top-Level Domain, Duckduckgo, Central Processing Unit


Department
Plant Biology
Course Code
PBIO 004
Professor
Nicholas J.Gotelli

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Definitions and other notes
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For examples of input, processing, storage, and output devices
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Definitions:
Lan- Local Area Network
Wan- Wide Area Network
TCP/IP- Transmission Control Protocol/ Internet Protocol
CPU - Central Processing Unit
HTML - Hypertext Markup Language
Network: Two or more devices that can communicate with each other
Internet: A global network that links together other networks
Internet Service Provider (ISP)- A company that provides access to the internet for a fee
World Wide Web (WWW)- A global collection of web pages circulated on the internet
Web page: A document that contains text and multimedia content
Web Browser- A software program used to view web pages
Website- A collection of web pages for one organization or individual
Web server: where all of the web pages and resources that make a website work are stored
Computer: A computer is an electric device operating under the control of instructions stored in its own
memory
Computers:
Accept input (data) - raw facts
Processes (data)
Provides output (information) - data that has been processed
Allows storage for future use
System Software
(Tell hardware what to do)
Operating Systems
Utility Programs
Excel
Applications
(Allows users to complete a task)
Photoshop
Word
Communications
(Allows users to communicate)
Web Browser
Networking
eCommerce
Electronic Commerce
Industry where the buying and selling of products or services is conducted over electronic systems such as
the internet and or other computer networks
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