New Higher Computing: Server-Side vs Client-Side

Most websites will have some form of server-side or client-side scripting. Find out the difference when we compare them. Read more

Flight Encounter

this is the first level on the game

this is the first level on the game

Flight Encounter is a simple game I made while studying NPA Games Development at Prestwick Academy. The aim of the game is to complete each level by defeating the foes in your path and defeat the boss. Read more

Linux vs Windows

Every operating system has pros and cons. This is an impartial guide to both Windows and Linux, and contains a summary of both.

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The Main Differences Between Windows and Linux

This article is part of the impartial Linux vs Windows series.

One of the main differences between Linux and Windows, is the command line usage.

One of the main differences between Linux and Windows, is the command line usage.

Somebody who’s been using Windows all their life will naturally be confused when they begin experimenting with Linux (or any other operating system for that matter). However the key to understanding a different operating system is to compare it with one which you are already familiar with. We’re going to take a look at the main differences between Windows and Linux and hopefully prepare you for using Linux! Read more

Linux Mint 16 Virtual Machine Download

Linux is pre-installed on our Virtual Machine

Linux is pre-installed on our Virtual Machine

Linux Mint 16 Virtual Machine download: Download Linux Student’s virtual machine with Linux Mint pre-installed. Our image is Linux Mint 16 tweaked to include Scratch and Chromium.

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Linux Viruses – A Threat?

Viruses in Linux are uncommon, but on the rise.

Viruses in Linux are uncommon, but on the rise.

Linux is growing in popularity. It is being used in more devices constantly; Routers, servers, gadgets etc. This is likely to cause more virus developers to focus their attention on Linux. But Linux is much more resilient than its counterparts. But why?

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Safely Installing Linux for Beginners

There’s no denying that Linux will play a big part in the future of computing. With most of the world’s super computers, servers, and mobile devices (in thr form of Android) running Linux, it is extremely beneficial to know at least a thing or two about it. Do you want to try Linux? Then read our guide to Installing Linux for Beginners.

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Data Link Layer – OSI Model Layer 2

Tip:- This post is part of the series the Complete Guide to the OSI Model.

In getting from A to B, a packet may be sent through several routes. The Data Link is a master at establishing each link.

In getting from A to B, a packet may be routed through several networks. The Data Link Layer is responsible for establishing each link.

The data link layer is the second layer from the bottom in the OSI Model. The OSI Model details computer networking from start to finish. The Data Link Layer receives a packet from the Network Layer and sends a frame to the Physical Layer for signalling. The data link layer does several things. It holds a link between two points, this is what makes it important; it will enable us to maintain a point-to-point link between two devices. This “point-to-point” link may not be the packet sender to the packet recipient, multiple point-to-point links may (and quite often do) need to be established.

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Physical Layer – OSI Model Layer 1

Tip:- This post is part of the series the Complete Guide to the OSI Model.

Cat5e cables are often used for ethernet connections.

Cat5e cables are often used for Ethernet connections.

The physical layer is the bottom layer of the OSI Model. The OSI Model details computer networking from start to finish. The physical layer, as the name may suggest, is the layer where we physically send our finalised frame over any medium. When I refer to “medium” this could mean anything.

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The OSI Model: Lego House Example

Tip:- This post is part of the Complete Guide to the OSI Model series.

James May wants to send his lego house to a friend.

James May wants to send his lego house to a friend.

The OSI Model is a model set out by International Organization for Standardization (ISO). It is one of many models that separates computer networking into understandable sections we can follow not only to understand networking, but also to ensure that any hardware we make conforms to the required standards.

I struggled for a while to get to grips with the OSI Model and what it actually was. This prevented me from properly understanding Computer Networking until I bit the bullet and went for a Networking Degree at University. While completing the course (and after several quarrels with my lecturer) it quickly became apparent to me how easy the OSI Model is to grasp if you have a basic understanding of software and hardware. It’s often over complicated, and it doesn’t need to be, it’s a simple idea.

While learning about the OSI Model I found it much easier to compare it to my own analogy of the postal system (sending a letter or package). You can break anything up into layers and this is the best example I can think of. Hopefully it will help you understand the OSI Model. Read more