Computer Science Unit 2 Terms

AP Computer Science

TCP

Provides reliable, ordered, and error-checked delivery of a stream of packets on the internet.

DNS

The service that translates URLs to IP addresses.

Packets

Small chunks of information that have been carefully formed from larger chunks of information.

HTTP

The protocol used for transmitting web pages over the Internet

IP

A number assigned to any item that is connected to the Internet

HTML

The language in which the content and formatting of a web page are written

Bandwidth

Transmission capacity measure by bit rate

URL

An easy-to-remember address for calling a web page

Computer Network

A group of interconnected computing devices capable of sending or receiving data.

Router

A type of computer that forwards data across a network

Fault Tolerant

Can continue to function even in the event of individual component failures.

Scalability

The capacity for the system to change in size and scale to meet new demands

2ⁿ

The number of bits to encode n unique possible values.

4,294,967,296 addresses

An IP addresses has 3³² bits. How many addresses are there?

65,536 times more

If you were to add 16 more bits to a system how many more possible addresses would you have?