Computer Hardware in Plain English

Duration: 3 minutes and 12 seconds

Country: United States

Language: English

License: CC - Attribution Non-commercial No Derivatives

Genre: Instructional

Producer: Common Craft, LLC

Director: Lee LeFever

Views: 14,444 (4,470 embedded)

Posted by: leelefever on Feb 24, 2009

The basics of computer hardware and what the hardware does inside the computer. Discusses RAM, hard drive and processor using a house metaphor.

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If you’re like most people, computers are becoming a part of your life,
and it helps to know how they work.
They seem complicated inside,
but by understanding just a few parts,
you can see a simpler side of computers.
This is Computer Hardware in Plain English.
You’ve seen them. They come in all shapes and sizes,
but work pretty much in the same ways.
In fact, if you could look inside these computers,
they’d have the same basic parts.
It’s these parts, the hardware,
that do a lot of the work in computers.
To explain, let’s look at something you already know, a house.
One of the great things about living in a house
is that you have room for all of your stuff.
In fact, many houses have basements that become the perfect place
for storing things you want to use later.
And the bigger the basement, the more you can store.
The same thing is true for computers.
Instead of boxes and bicycles,
we need a place to store things like photos,
music, documents, and software.
In a computer, it’s not the basement, but a hard drive.
A computer’s hard drive
is where you keep all the things you want to use later.
And like basements,
the bigger the hard drive, the more you can store.
But basements aren’t perfect.
Going to the basement takes too much time whenever you need something.
Closets on the main floor can help.
They’re small, and make things easier to access when you need them.
You don’t need to go all the way downstairs.
It’s the same with computers.
Some of the information stored on computers
is hard for the computer to open quickly
because it needs to take the long way.
To solve this problem computers use RAM
or Random Access Memory.
It makes information easier for the computer to access.
This means RAM makes computers faster.
Plus, this kind of closet gets cleaned out
every time you restart your computer.
Of course, houses have all kinds of parts
that need to work together.
It would help to have someone like a butler in the house
making sure the house is always in working order.
If it’s too hot,
maybe the air conditioning needs adjustment.
When it’s dark, lights are needed.
Computers need this too.
Something has to make sure all the parts run smoothly.
In computers, this is called the processor.
It’s a tiny part
that’s like the butler of the computer.
It sends and receives information,
completes tasks and puts the software to work.
And the faster it can complete tasks,
the faster your computer will be.
So, let’s review.
The hard drive is like a basement.
It stores all the things you need for later.
RAM is like a closet on the main floor.
It makes some information quick and easy to access.
And the processor is like having a butler around
always completing tasks
and making things work together.
The next time you use a computer,
think about what’s happening under the hood.
Computer hardware is working together
to help you get things done.
I’m Lee LeFever of Common Craft
and this has been Computer Hardware in Plain English.
Do you need this for work?
Find presentation-quality unbranded versions
of all Common Craft videos at CommonCraft.com.

Computer Hardware in Plain English

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