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To learn more about the differences between 32-bit and 64-bit CPU architecture, click here for microsofts explanation and here for the wikipedia article.

0:01Let's talk about RAM, our computers short-term memory. We use RAM to store data that we want to access quickly. This data changes all the time so it isn't permanent. Almost all RAM is volatile, which means that once we power off our machines, the data stor...

The motherboard, the foundation that holds our computer together. It lets us expand our computers functionality by adding expansion cards. It routes power from the power supply, and it allows the different parts of the computer to communicate with each other. ...

Before we get into computer storage, we need to fill in some gaps. I'm referring to things like gigabytes, bits, etc. But we actually haven't talked at all about what those metrics mean. Sorry, I got a gigabit ahead of myself. As you might have guessed, these ...

Data Storage Measurements In this reading, you will learn about the different names for measurements of data storage capacities and file sizes. Data storage capacity increases in step with the evolution of computer hardware technology. Larger storage capaci...

In order to get our computer to work, let's give it some power. Computers have a power supply that converts electricity from your wall to something usable. There are two types of electricity DC or direct current which flows in one direction and AC or alternati...

Power Supplies In this reading, you will learn how to select the correct power supply for a personal computer (PC) to support the main components of the PC.  As you learned in a previous video, computer systems require a direct current (DC) of electricity to...

(Link to original post from nvidia) Terminology and Basic Definitions Cable Form Factors and Connector Types SFP (Small Form Factor Pluggable) – A transceiver or cable with a one or two lanes (channel) in ea...

Hi there, it's me again. You might remember me from the previous module, and no worries if not, what's important is that I'm here now. We've made some updates to this program to make sure you've got the latest info on mobile devices. You'll see me again thro...

Sometimes instead of being plugged into a power outlet all the time, we want to take our technology with us. Mobile technology uses rechargeable batteries to carry power with the device wherever we take it. Rechargeable devices might have an external charger f...

Check out these links for more information: You can learn about Inductive Charging. Read more about batteries and charge cycles for Windows or Macs. You can also check out: Safe handling of lithium-ion batteries. Finally, learn how to maximize your batter...

Let's take a look at the back of our computer again. Here you see lots of connectors or ports we can plug in different objects, like a mouse, keyboard, and a monitor. These are known as peripherals. A peripheral is basically anything that you connect your co...

Connector Types A computer has many physical ports or connectors. You can use these connectors to connect devices that add functionality to your computing, such as a keyboard, mouse, or monitor. These external devices are called peripherals. IT often works wi...

Projectors Projectors are display devices for when you need to share information with people in the same location! Most projectors can be used just like any other display on a computer, and with a few differences, can be troubleshot just like any other displa...

Now we've seen all the key components to get our computer running. The last thing we'll go over is how our devices talk to each other. We know how programs execute from our hard drive to our CPU, but how do other things like a mouse click or a keyboard press g...

The one great constant in the technology industry is it's history of change and the speed of that change so no education is going to give anyone the skills they need for an entire career. You've got to have curiosity, you've got to have a lifetime of curiosity...

Now that we've learned what  the computer components are and how they work,  we're going to assemble our very own computer,  a full-sized desktop.  Computers are incredibly fundamental  to the work of an IT support specialist.  They're used in pret...

Let's go back to our massive connectors. There are few things I would like to highlight. This big one right here. This is the one that house our motherboard. Another one that we have, it's more of a legacy one is for pin Molex. These connections were used heav...

Repairing a mobile device is different from repairing larger, more generic computers. First, there are thousands of types of mobile devices. There's no way we can cover all the differences. Instead, let's check out some of the tools and techniques that you'll ...

In this reading, you will learn about several types of displays used in modern mobile devices and monitors. As an IT Support professional, you may need to troubleshoot various types of displays. This might involve repairing damaged mobile device screens. You...