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How Computers Work

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"Windows" is a registered trademark of the Microsoft corporation. It represents an operating system used mainly on personal computers.

Largely because it was adopted by most companies of the world, Windows is the most commonly used operating system in households and businesses.

Windows comes in many versions. At the time we are creating this course, the version called "Windows 10" is the current version, so this content is based on that version of Windows. However, most of the content is also valid for earlier versions, and will likely remain valid for some future versions.

Here are some thoughts on the Windows user interface.
 

To get where we want to be, we need to understand some terms, terms that you may have heard before; terms that may seem like gobbledygook; that you think were invented just to make you feel incompetent. So let's de-mistify those terms.

First we need to identify the two major divisions of every computer system: Hardware and Software.
 

In the video below we take an overview of this course and then the lesson describes hardware and software, and how all computers work.

 

Note: I strongly suggest you view all our videos in full screen mode: click the icon in the lower right corner of the video area (it shows four arrows pointing to the corners of the screen). When you are done, the Esc ("escape") key returns you to regular mode.

 


Lesson 1: How computers work.

Click here for the video transcript

 

 

The video below is a bonus video, and optional because it's a little nerdy / geeky: interesting to me but not to everyone, I think. Nice to know, not need to know. The video covers bytes, bits, hard disk components, and other hardware devices - overview survey.

 


Bonus video: Bits and bytes.

Click here for the video transcript

 

Supplemental material

    Here is a brief description of the concept of hexadecimal, which is a useful way of representing binary data values.

 

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