Comp Sci Final

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30 Terms

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Certificate Authorities
Organizations that issue digital forms to verify who owns the keys used for communications
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Malware
Software designed to harm or take partial control over a computer
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Virus
Type of malware that spreads and infects other computers
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Firewall
Security systems that controls the kinds of connections that can be made between a computer or network and the outside world
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Phishing
Very common attack where the victim is tricked into giving up personal information
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Bandwidth
Maximum amount of data that can be sent in a fixed amount of time
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Cloud
Storing it somewhere on the internet but unknown location
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Path
Connecting computer devices with a sender and receiver
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Routing
The process of finding a path from sender to receiver
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Protocol
Set of rules that specify the behavior of a system
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IP Address
Unique number assigned to each device on a computer network
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Packet
a small segment of a larger message
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Internet
Computer network that uses open protocols to standardize communication
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Computer Network
interconnected system that is capable of sending or receiving data
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Computing System
Group of devices and programs working together for a common purpose
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Computing Device
Device that is in the computing system
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WWW
A system of linked pages, programs, and files that uses that internet
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ISP
Companies who sell internet access to homes and institutions
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Router
A computer that passes information from one network to another
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Crowdsourcing
General term for using the internet to get a lot of people to help solve a problem
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Citizen Science
public involvement in the gathering, analyzing, or sorting of scientific data for research purposes
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Computing Innovation
innovation that includes a computer or program code as an integral part of its functionality
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Bit
Single unit of data that can only have one of two values
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Byte
8 bits
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Floating Point
scientific notation but with powers of 2
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Width
Number of bits that a CPU processes at a time
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Word
Sequence of bits
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Sampling
Measuring values, called samples, of an analog signal at regular intervals
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Sampling Rate
 the number of samples taken per second
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Binary Sequence
String of 1s and 0s