APCSP Unit 2 Study Guide

Computing Device

Physical machine that runs programs or applications

Computing System

A group of computing devices working together for a purpose

Computing Network

A group of interconnected devices that can communicate with each other

Path

The route data takes from one device to another across a network

Bandwidth

The maximum amount of data that can be transmitted over a network in a given time

IP Address

A unique identifying number assigned to each device on a network

Internet Protocol (IP)

A set of rules governing how devices identify and communicate over the Internet

Router

A device that forwards data between different computer networks

Packet

A small chunk of data sent across a network

Redundancy

Extra connections or systems that ensure reliability if part of the network fails

Fault Tolerant

The ability of a system to keep working even when parts fail

HTTP

Protocol used for transferring and loading web pages

Domain Name System (DNS)

A system that translates domain names into IP addresses

Internet

A global network of interconnected computing devices

World Wide Net

Another term for the World Wide Web; a system of interlinked hypertext documents