16 Questions
What is the primary function of a router?
To join a home network to the internet via an ISP
What is the term for a set of rules that computers on a network use to communicate with one another?
Protocol
What is the purpose of a hub in a network?
To connect multiple devices together
What is an example of a wired communication technology?
Network cable
What is the term for the amount of data that can be moved from one point on a network to another point in a given time?
Bandwidth
What is a server?
A powerful computer that provides services
What is required for a valid email address?
An '@' character
Which activity requires downloading information to your computer?
Receiving an email
What is the term for the process of splitting large amounts of data into smaller units for transmission over the internet?
Packets
Which of the following is a characteristic of a wired network?
Better security
What is the purpose of an IP address?
To uniquely identify every device on the internet
What is the term for the delay that occurs when a device is waiting for data to arrive from the internet?
Buffering
What is the term for the internet service that allows voice data to be sent over the internet?
VoIP
What is the term for the worldwide network of computers made up of cables, routers, and other pieces of hardware?
Internet
What is the protocol that splits messages into smaller pieces of data for transmission over the internet?
TCP
What is the term for the address used to identify a device on a local network?
MAC address
Study Notes
Computer Networks
- A computer network is two or more computers connected together.
- A protocol is a set of rules that computers on a network use to communicate with each other.
- A valid protocol for email addresses requires an '@' character to be used.
Network Hardware
- A hub is a hardware device that connects a number of computers together on a local network.
- A hub has ports that allow cables to be plugged in from each connected computer.
- A network cable is a piece of hardware that connects different devices together, often made up of a number of wires.
- A router is a hardware device that connects a home network to the internet via an internet service provider (ISP).
- A server is a powerful computer that provides services, such as shared access to files like text, images, sound, or video.
Network Communication
- Wired communication technology is exemplified by network cables.
- Bandwidth refers to the amount of data that can be moved from one point on a network to another point in a given time.
Data Transmission
- Downloading information to your computer requires receiving data from another device across the internet.
- Buffering occurs when data is arriving at your device at a slower rate than it is being processed.
- Large amounts of data sent across the internet are split into smaller units called packets.
Internet
- The internet is a worldwide network of computers made up of cables, routers, and other pieces of hardware used to connect devices together.
- An IP address is a unique address used to identify every device on the internet, consisting of 4 numbers ranging between 0 and 255, separated by dots.
- TCP is a protocol that splits messages across the internet into smaller pieces of data.
World Wide Web
- The World Wide Web refers to websites, web pages, and links.
- VoIP (Voice over Internet Protocol) is an internet service that allows voice data to be sent over the internet.
Learn about the basics of computer networks, including protocols, hardware, and more. Understand how devices connect and communicate with each other.
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