Category: Computer Systems

The TCP/IP Model

TCP/IP stands for Transmission Control Protocol / Internet Protocol. It is basically a protocol or set of rules, that was developed by the Department of Defence (DoD) in 1974 about how to send data from computer to another computer across or within a network. When data is sent across the…

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Static vs Dynamic IP Addresses

IP Addresses are used to identify computers and devices on a network, each device on a network will have its own unique IP address. IP Addresses can be thought of as a physical postal address, they have to be unique so that the postman knows where to deliver the post….

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What is a Server?

A server is similar to a regular desktop computer in the way it can share similar components, such as a CPU, RAM, hard drives, etc. However, the function(s) of a server is completely different from a desktop computer. Servers are usually tasked with managing features and enabling functionality for an…

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What is DHCP?

DHCP, or Dynamic Host Configuration Protocol, is a server service that is responsible for assigning dynamic IP addresses to all network nodes that are registered on the network. DHCP is often confused with DNS but it is a completely different server service but is frequently put on the same server…

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What is DNS?

Domain Name System, or DNS, is used to resolve domain names to IP addresses. When computers communicate with one another they require an IP address to know where to send the data, they cannot understand domain names. An example of a domain name could be ‘’ or the name of…

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What is an IP Address?

An IP address, or Internet Protocol address, is a unique address given to a device on a network to allow traffic to be routed to that device. Every computer, printer, server, etc on a network will have it own unique IP address. This can be compared to a real home…

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What is a Computer Network?

A computer network is when two or more computers or devices are connected to one another either via Ethernet wires or wirelessly. This could be a computer connected to a wireless printer or one computer connected to another. However, connecting a printer directly to a computer without the use of…

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Basic Computer Components Explained

A computer is made up of multiple components that work together to function as a computer and allow you to use the computer as you are familiar with. There are different components that store information for use later, calculate answers for questions, render images onto the monitors, cool down components,…

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