comp sci principles test

vocab for that silly class

Internet

Internet

Computer network that uses open protocols to standardize communication

Computer Network

Interconnected system that is capable of sending or receiving data

Computing System

Group of devices and programs working together for a common purpose

WWW (World Wide Web)

A system of linked pages, programs, and files that uses that internet

Router

A computer that passes information from one network to another

ISP (Internet Service Providers)

Companies who sell internet access to homes and institutions

Bandwidth

Maximum amount of data that can be sent in a fixed amount of time

The Cloud

Storing it somewhere on the internet but unknown location

Path

Connecting computer devices with a sender and receiver

Routing

The process of finding a path from sender to receiver

Protocol

Set of rules that specify the behavior of a system

IP Address

Unique number assigned to each device on a computer network

Malware

Software designed to harm or take partial control over a computer

Virus

Type of malware that spreads and infects other computers

Firewall

Security systems that controls the kinds of connections that can be made between a computer or network and the outside world

Phishing

Very common attack where the victim is tricked into giving up personal information

Crowdsourcing

General term for using the internet to get a lot of people to help solve a problem

Bit

Single unit of data that can only have one of two values

Byte

8 bits

Analog Data

Values that change smoothly

Width

Number of bits that a CPU processes at a time

Scientific Notation

Uses powers of 10 to represent very large or small values

Floating Point

Same idea but with powers of 2

Binary Sequence

String of 1s and 0s

Sampling

Measuring values, called samples, of an analog signal at regular intervals

Sampling Rate

Number of samples measured per second

Citizen Science

Scientific research conducted in whole or part by distributed individuals who contribute relevant data

Word

Sequence of bits

Antivirus

Software designed to scan files

Certificate Authorities

Organizations that issue digital forms to verify who owns the keys used for communications