A notebook, also known as laptop, is a portable computer. When you are looking for the right notebook, it is important to know where you are going to work with it. Do you want to use it on the road? Choose a model with a special energy-saving 'mobile' processor, a good battery and a reasonably small display. This will allow you to work longer with the same battery and saves you the trouble of carrying around a large display that consumes a lot of precious battery power. Or will you be using you notebook mainly in places where you will have access to a power outlet? Then choose a desktop processor (more processing power for less money) and an ordinary battery. This will save you a lot of money, which you could then spend on a bigger screen. You'll work faster because you can view more information at once and it's great for multimedia!
Personal Computers, PCs for short, are computers for personal usage. They always have the following components:- A processor (CPU), this is the heart of your computer, where the data processing is done.- Memory (RAM), this is very fast memory in which temporary data is stored before being processed by the processor.- Motherboard, this is the component that connects all the different parts of your computer. Often it has some integrated components like a sound card, enabling your computer to play sound, or a network card, to connect your computer to the network.- Video board, this is the part of your computer that is responsible for the graphics processing. Micro ATX motherboards often have an integrated video board. Those integrated video boards are generally not very well suited for playing games, but good enough for watching movies.- Hard disk, this is the permanent memory of your computer where your data is stored.- An optional DVD/CD player/recorder for reading/writing DVDs/CDs.
Extra powerful, extra reliable computers that have been specially designed for server applications. For example serving a website, a large database or shared storage space to a lot of users. Servers are often not very quiet and deliver hardly any graphical performance, which makes them not suitable for use as personal computer. If you need a lot of servers, choose a rack mountable model. Those models need less space and your server room will remain tidy.
Mobile computer with display, circuitry and battery in a single unit. Tablets are equipped with sensors, including cameras, microphone, accelerometer and touchscreen, with finger or stylus gestures replacing computer mouse and keyboard.
Client machine that relies on the server to perform the data processing. Either a dedicated thin client terminal or a regular PC with thin client software is used to send keyboard and mouse input to the server and receive screen output in return. The thin client does not process any data; it processes only the user interface (UI). The benefits are improved maintenance and security due to central administration of the hardware and software in the datacenter.