Module1 - Introduction to Networking

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22 Terms

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Physical connection
The tangible link between devices, such as connecting an expansion card to a network.
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Logical connection
The use of protocols that define how data is transmitted over a network.
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Network Interface Card (NIC)
A hardware component that connects a computer to a network.
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Transistor
An electronic device that amplifies signals or regulates current flow.
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Integrated Circuit (IC)
A semiconductor device that contains multiple transistors and performs a specific function.
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Resistor
A component that opposes the flow of electric current.
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Capacitor
An electronic component that stores energy in the form of an electrostatic field.
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Central Processing Unit (CPU)
The main processor of a computer where most calculations occur.
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Motherboard
The primary circuit board in a computer that houses the CPU and other critical components.
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Random-Access Memory (RAM)
Volatile memory that requires power to maintain the stored data.
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Read-Only Memory (ROM)
Non-volatile memory that stores data permanently and cannot be modified.
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TCP/IP
A set of protocols that allow computers to communicate over a network.
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Ping
A command used to test the reachability of a host on an IP network.
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Web Browser
An application used to access and view web pages on the Internet.
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Binary Digit (Bit)
The smallest unit of data in a computer, represented as 1 or 0.
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Kilobyte (KB)
A unit of digital information equal to 1024 bytes.
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Megabyte (MB)
A unit of digital information equal to 1024 kilobytes.
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Gigabyte (GB)
A unit of digital information equal to 1024 megabytes.
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Class A IP Address
An IP address type with a network prefix of 8 bits and capable of accommodating a large number of hosts.
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Hexadecimal
A base-16 numeral system that uses sixteen distinct symbols.
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Boolean Logic
A form of algebra in which all values are reduced to either true or false.
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Dotted Decimal Notation
An Internet Protocol notation technique that expresses binary IP addresses as four decimal numbers separated by dots.