WorksheetsInternet Review Unit 2 code.org
Total questions: 20
Worksheet time: 13mins
a machine that can run a program, including computers, tablets, servers, routers, and smart sensors
iPhone:
Computing Device:
Internet:
Path:
a group of computing devices and programs working together for a common purpose
School computers:
Computer Network:
Computing System:
The Internet:
the series of connections between computing devices on a network starting with a sender and ending with a receiver.
Path:
DNS:
Router:
IP Address:
a group of interconnected computing devices capable of sending or receiving data.
World Wide Web:
Server:
Internet:
Computing Network:
the maximum amount of data that can be sent in a fixed amount of time, usually measured in bits per second.
Binary:
Byte:
DNS:
Bandwidth:
Protocol: An agreed-upon set of rules that specify the behavior of some system
Notice:
Law:
Protocol:
Treaty:
The unique number assigned to each device on the Internet.
IP Address:
Server Number:
Serial Number:
Social Security Number:
a protocol for sending data across the Internet that assigns unique numbers (IP addresses) to each connected device
Addressing Protocol:
Server Protocol:
World Wide Web Protocol:
Internet Protocol (IP):
A type of computer that forwards data across a network
Router:
Server:
Main Frame Computer:
Laptop:
the inclusion of extra components so that a system can continue to work even if individual components fail, for example by having more than one path between any two connected devices in a network.
IP Address:
Router:
Redundancy:
Fault Tolerance:
Can continue to function even in the event of individual component failures. This is important because elements of complex systems like a computer network fail at unexpected times, often in groups.
Bandwidth:
IP Address:
Router:
Fault Tolerant:
Information passed through the internet in packets.
Router:
TCP-Transmission Control Protocol
Datastream:
Packet:
Data added to packets to help route them through the network and reassemble the original message.
Computer ID:
Packet Metadata:
IP Address:
Router Number:
A protocol for sending packets that does error-checking to ensure all packets are received and properly ordered
DNS Protocol:
Server Protocol:
User Datagram Protocol (UDP):
Transmission Control Protocol (TCP):
A protocol for sending packets quickly with minimal error-checking and no resending of dropped packets
Router Protocol:
User Datagram Protocol (UDP):
IP Protocol:
Transmission Control Protocol (TCP):
the capacity for the system to change in size and scale to meet new demands
Flexibility:
Expandability:
Scalability:
Variablilty:
the system responsible for translating domain names like example.com into IP addresses
The Domain Name System (DNS):
IP Name System:
Protocol System:
Naming System:
a protocol for computers to request and share the pages that make up the world wide web on the Internet
Server Protocol:
Router Protocol:
Internet Protocol:
Hypertext Transfer Protocol (HTTP):
a system of linked pages, programs, and files
The Internet:
DNS:
World Wide Web:
Servers:
Explain what is meant by the Digital Divide. Who does it effect the most?
