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Year 7 Internet 101
Internet and Networking Basics
| Question | Answer |
|---|---|
| Bit (Binary Digit) | The single unit of information in a computer, typically represented as a 0 or 1. Bits are referred to as any pair of opposites, e.g. On/Off and |
| Byte | 8 Bits strung together. |
| Bandwidth | The maximum transmission capacity of a device, measured by bit rate. |
| Bit rate (bitrate) | The number of bits per second a system can transmit e.g. 8 bits/sec |
| Fiber optic cable | A network cable that contains strands of glass fibers and uses light to transmit data. |
| Wireless network | A local-area network (LAN) that uses radio waves to connect devices such as laptops to the Internet and to your business network and its applications. |
| Wired network | A local-area network (LAN) that connects devices to the Internet or other network using cables. This network commonly uses cables connected to Ethernet ports on the network router on one end and to a computer or other device on the cable's opposite end. |
| Mobile network | Also referred to as a cellular network, employs the use of radio frequencies that can be used simultaneously by several callers at one and the same time. |
| Internet Protocol (IP) | A unique address written using a set of numbers organised in a particular way to identify each device on the network. |
| Internet service provider (ISP) | A company that provides customers with Internet access. |
| A Protocol | A well-known set of rules and standards used to communicate between machines. |
| Domain Name System (DNS) | an Internet service that translates website names into IP addresses. The website names are alphabetic, as they're easier to remember. The Internet however, is really based on IP addresses. |
| DNS spoofing | A type of cyber attack, when an attacker hacks into a server and changes the domain name to match with a wrong IP address and sends people to an imposter website. |
| Router | A piece of computer hardware that acts as traffic managers to keep information packets moving efficiently over the Internet. |
| The Internet | A global wide area network (WAN) that connects computer systems across the world. |
| Web browser | The application you use to access and view the web pages from your device. |
| Uniform Resource Locator (URL) | An address that identifies a particular webpage on the Internet. |
| Algorithm | A process or set of rules to be followed in calculations or other problem-solving operations, especially by a computer. |
| Transmission Control Protocol (TCP) | A network protocol that manages the sending and receiving of all your data. Its role is to do an inventory to see if all packets have been received. |
| Latency | Time it takes for a bit to travel from its sender to its receiver. |
| ASCII | Code standard for information interchange that is the universally recognized as raw text format that any computer can understand. |
| Network redundancy | Having multiple backups to ensure reliability during cases of high usage or failure. |
| Server | A computer that awaits and responds to requests for data. |
| Client | A computer that requests data stored on a server. |
Created by:
mgl
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