comp sci principles test

vocab for that silly class

**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