Chapter 6 Flashcards
(25 cards)
What is a computing device?
A machine that runs programs (like phones or computers).
What is a computing system?
Many devices working together.
What is a computing network?
Devices linked together to share data.
What is a path?
The way data travels between devices.
What is routing?
Choosing the best path for data to travel.
What is a router?
A device that sends data along a path.
What is bandwidth?
How much data can move in a time.
What is a protocol?
A set of rules for sending data.
Why are protocols important?
They help devices understand each other.
What is scalability?
The network can grow and still work.
What is a data stream?
A flow of data being sent.
What is a packet?
A small piece of data sent across a network.
What is metadata?
Extra info about the packet (like its order).
What is IP?
An address for each device on the internet.
What is TCP?
Makes sure all data gets there in order.
What is UDP?
Sends data fast but doesn’t check for errors.
What is HTTP?
The protocol used to load web pages.
What is the difference between the internet and the web?
Internet = hardware. Web = websites and pages.
What is redundancy?
Having extra paths so data still goes through if one fails.
What is fault tolerance?
The network still works even if some parts break.
What is a domain name?
A name like google.com that points to an IP.
What is DNS?
It finds the IP for a domain name.
What is a fiber optic cable?
A cable that sends data using light.
What are the 3 layers of the internet?
- Physical (cables) 2. Protocols (rules) 3. Applications (websites).
