Why do you need an Operating System?

• Without an OS your computer will not run. It would be similar to having pots, pans, a stove and ingredients to make a nice meal but no recipe to make it?

• An OS will either make or break your system as it is the foundation of everything. In general, people feel most comfortable with the OS they start with and will more than likely purchase a computer system that runs that OS in the future.

Let’s talk about the most popular versions of Operating Systems
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What are all those cables attached to my computer about? What happens if one falls out?

To the untrained eye, it may seem like you need to be a rocket scientist to properly get your computer hooked up. In reality, the only cables that you really need to get your computer up and running are: Power Cable, Monitor Cable, Keyboard Cable, and Mouse Cable. If you have a Laptop and your battery is already charged then you really do not need any cables.
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GPU Graphics Processing Unit

Notice how GPU and CPU look similar? That is because they are very similar except that a Graphics Card (GPU) specifically only calculates Graphics Information.

(Hint: the G in GPU stands for Graphics and the C in CPU stands for Central)

In some cases the Graphics Card (GPU) in a computer can be more powerful then the actual CPU! New computer games and programs are requiring more detail and realism then ever before. People who need a powerful Graphics Card would be Gamers, Video Editors, Animators and generally anyone that requires 3D horse power.

If you like the information covered in this Article, feel free to Download our Free Get Digitized eBook that covers the most common and popular topics on today’s Computers and Technologies.

This topic could get complicated so we will stick to the very basics.

First, what is a CPU? A CPU is the main brain for the computer and like people; some are faster then others (being fast uses a lot of energy!). Some CPU’s may not be as fast, but can do more things at one time (this is called multitasking) or they may be super efficient and use very little energy (Great for a Laptop that uses a battery).
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CD Compact Disk
CDR Compact Disk Recordable
CDRW Compact Disk ReWritable
DVD Digital Versatile Disc (formerly Digital Video Disc)
DVDR Digital Versatile Disc Recordable
DVDRW Digital Versatile Disc ReWritable

There are many variation and combinations of CD & DVD Drives. The most common variations right now are Drives that can both read and write in CD and DVD format all in one unit! The best part about CD/DVD Drives is that you can take the CD/DVD Disks out of the Drive and either store or transfer the information to other computers.
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Ram - Random Access Memory

The best Ram analogy is the surface of a desk. In order to see the files in your filing cabinet you need to take them out of your filing cabinet (Hard Drive) and place them on you desk (Ram) in order to see each page of information separately.

If you have more Ram then you need a larger desk surface that can fit more pages of information. More pages of information mean fewer trips in and out of the filing cabinet!
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I wanted to do a series of short Articles called Computer 101 on what’s inside your computer, nowadays Macs and PCs share almost exactly the same internal components so most of the information covered in the Computer 101 Articles can be usefully to a Mac or PC system.

Let’s start with the Hard Drive:

A Hard Drive is very much like a large filing cabinet for your computer. A Hard Drive can store large amounts of information at one time but this information is like a filing cabinet and needs to be retrieved in order to use it.
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Our “FREE” Get Digitized eBook is for people looking for more information on Computers and Technology. Shouldn’t Technology make your life better, not more confusing!
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