Computer Networking and Web Technologies

These flashcards cover key terms and concepts related to computer networking and web technologies.

DNS

Domain Name System - translates human-friendly website names into IP addresses.

Scalable

Able to expand network infrastructure without needing to rewire everything.

Fault Tolerant

A system's ability to keep functioning correctly despite hardware or software failures.

Sequential Computing

Processing data one instruction at a time.

Router

A device that forwards data packets to the appropriate parts of a computer network.

Latency

The time it takes for data to travel between origin and destination (measured in ms).

Computer Network

An interconnected group of computing devices working together toward a shared goal.

Cloud Computing

Delivery of computing services (processing, storage, databases) over the Internet.

Redundancy

Extra components or paths in a system to ensure it keeps working if something fails.

Certificate Authority

A trusted entity that issues and verifies digital certificates for websites.

Parallel Computing

Multiple processors work on different parts of a task simultaneously.

Cookies

Small pieces of data stored on your computer by websites to remember your visits.

Digital Divide

The gap between those who have access to digital technology and those who don't.

SSL/TLS

Security protocols that encrypt communications between web browsers and servers.

HTTP

Hypertext Transfer Protocol - the protocol used for transferring web pages.

World Wide Web (WWW)

A vast system of interconnected documents and resources accessible via the Internet.

IP

Internet Protocol - provides addresses for devices on the Internet.

URL

Uniform Resource Locator - a web address (like www.example.com).

HTML

Hypertext Markup Language - the language used to create web pages.

Computing Device

Any physical artifact capable of running a program (computer, phone, tablet, etc.).

Protocol

Established rules that govern how devices connect and communicate on the Internet.

Packets

Small, formatted units of data sent across networks (broken from larger messages).

TCP

Transmission Control Protocol - breaks data into packets and reassembles them in order.

Bandwidth

The maximum amount of data that can be transmitted in a given time (measured in mbps).

Distributed Computing

Processing data by distributing tasks across multiple networked computers or servers.

SMTP

Simple Mail Transfer Protocol - the protocol used for sending email.