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Laptops usually come with modular, or swappable, bays that allow you to remove floppy drive, DVD drive and even hard drive. There are many reasons why this is convenient for you. For example, if you use different media for storing data, you can easily switch back and forth between media types.
The laptop is powered by an AC cord. This power supply allows laptop to plug into a wall and a simple ordinary plug in. This makes it easy to plug your laptop in almost anywhere you go. The only downside is that many contain power brick that can get in way if you are working in a very small space. If this is a problem for you, you can look into more compact devices that will help you when you are working gin small space.
You know that biggest reason why someone gets a laptop is for mobility. The greatest part of laptop is ability to use batteries and travel anywhere with your computer. You can use AC cord just to plug it in when you need to recharge batteries. You can also get extra batteries as backup if you will be away from a power source for a while.
Melissa Knab is the owner of Batteries Pro, Inc. which is a premier source of information about Pro. For more information, go to: http://batteriespro.com