Tutorials - #490 - What is ROM?

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Tutorials

#490 / November 19, 2009 / 1:45 min.

What is ROM?

We've all heard the term "CD-ROM". We've all heard the term ROM used in relation to our computer, but

what exactly is "ROM"?

It stands for Read Only Memory and it forms the fundamental building blocks for your computer. Doc explains.

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show notes

- ROM stands for "Read Only Memory".

- ROM is not affected by a lack of power like RAM is.

- Your computer "reads" the ROM when it's first turned on before the operating system loads.

- In the early days of computers ROM chips had to be removed in order to be upgraded.

- Today there are chips calle PROMS, which are programmable.

- EPROMS are erasable and programable.

- Computers today can have their ROM updated through the use of special software.

- A CD is Read Only Memory becauese once data is burned to it, the data cannot be changed.

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#607 / March 9, 2010 / 1:56 min.

How to find and use Sticky Notes in Windows 7

Sticky notes

have changed the way many people work. You just jot a note down on one and stick someplace. On a table, a desk, a screen, a keyboard or on the wall. Having your monitor plastered with physical sticky notes is the past though. Tacking virtual sticky notes to your computer desktop is the way to go. Doc shows us

where to find Sticky Notes in Windows 7

#606 / March 9, 2010 / 1:06 min.

What is Android OS?

You hear a lot of talk about "Android" lately. The

mobile operating system from Google

has caught on in smartphones and other mobile devices. But

what exactly is Android

? Why should you care about Android? Michael "Doctor File Finder" Callahan explains.

#605 / March 8, 2010 / 1:38 min.

What is hypertext?

Hypertext

is used to generate links that lead you from one place to another. At first glance it's almost magical. You see text, you click on it, and it takes you someplace new.

Hypertext is the foundation of the World Wide Web.

Michael "Doctor File Finder" Callahan explains.

#604 / March 8, 2010 / 1:53 min.

Using PixelPipe on your Android phone

PixelPipe is a cool online service for

sharing photos, videos, text

and more. We love it so it stands to reason, we want it on our Android handsets as well. Michael "Doctor File Finder" Callahan offers a

guided tour of PixelPipe on Android

#603 / March 5, 2010 / 2:14 min.

What is a chipset?

You see the term "chipset" when you're dealing with computers. "You have an Intel chipset," but what does that mean? What is a chipset exactly? Michael "Doctor File Finder" Callahan explains.

#602 / March 5, 2010 / 3:36 min.

Get in shape with CardioTrainer on Android

Your smartphone is much more than just a phone. It can also be the

motivation to hit the gym

that you need. With CardioTrainer on your Android phone, information on your workouts and monitor your fitness progress is entered automatically. GPS and accelerometer data is gathered or you can input your workouts manually. Did we mention it's a

free Android app

#601 / March 4, 2010 / 1:26 min.

What is a client?

If you hire a lawyer, you're their client. They provide a service to you. In the computer world, it's not so very different; you are the client, the server is the service provider. Michael "Doctor File Finder" Callahan explains.

#600 / March 4, 2010 / 2:35 min.

Track your walks on your iPhone with Trailguru

Challenge the idea that gadget freaks and geeks rarely venture outside. Trailguru makes it easy to track your walks, runs, bike rides and just about any other outdoor activity using the iPhone's on-board GPS. Upload your excursions to the Trailguru web site and monitor your progress.

#599 / March 3, 2010 / 2:42 min.

What is DHCP

On a network, large or small, every computer has to have a

unique IP address

. You can assign those manually or you can let DHCP do it. Choosing to use DHCP means we don't have to worry about reconfiguring our network every time we connect a new device.

#598 / March 3, 2010 / 2:49 min.

Travel with CoPilot on your iPhone

Some "smartphones" come with navigation built right in. On the iPhone, however, you have to find a application to give you that functionality. One that caught our attention is CoPilot. We'll preview it for you here.

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