Welcome to BleepingComputer, a free community where people like yourself come together to discuss and learn how to use their computers. Using the site is easy and fun. As a guest, you can browse and view the various discussions in the forums, but can not create a new topic or reply to an existing one unless you are logged in. Other benefits of registering an account are subscribing to topics and forums, creating a blog, and having no ads shown anywhere on the site.

# I Bet Ya Didn't Know.....

10 replies to this topic

### #1 imatechie

imatechie

• Members
• 30 posts
• OFFLINE
•
• Location:Horizontial or leaning.
• Local time:03:19 AM

Posted 27 June 2008 - 12:06 AM

Would you be surprised to find out that a computer can only add?

Actually, it's quite true and when you get into advanced math, you will find out that there is really no such thing as
subtraction, division and multiplication, all there is is addition.

Subtraction is reversed addition (i.e. 23-10 is really 23 + -10)
Division is repeated subtraction which is repeated reversed addition.

Interesting, isn't it?

I really hated Intermediate Algebra in college

Who knows, maybe this will turn up on Jeopardy (Sony Television) some day as a clue.

Jeff
The only real problem that I have with being an I.T. Tech is that I can't use the excuse:
"Sorry, I don't do windows."

### #2 62blue

62blue

• Members
• 26 posts
• OFFLINE
•
• Local time:01:19 AM

Posted 27 June 2008 - 01:20 AM

That's an interesting addition to my knowledge.

But couldn't you also say math is nothing but subtraction (2 plus 2 is the same as 2 minus -2, etc.)?

### #3 MattV

MattV

• Members
• 736 posts
• OFFLINE
•
• Gender:Male
• Location:Asheville NC
• Local time:04:19 AM

Posted 27 June 2008 - 11:12 AM

Useless fact - hair and fingernails continue to grow after death.

### #4 mommabear

mommabear

• Members
• 492 posts
• OFFLINE
•
• Local time:03:19 AM

Posted 27 June 2008 - 12:24 PM

Useless fact - hair and fingernails continue to grow after death.

Sorry 'bout this, but no, they don't. The skin begins to recede (dry up) and so it only appears that hair and nails grow.

### #5 ddeerrff

ddeerrff

Retired

• Malware Response Team
• 2,741 posts
• OFFLINE
•
• Gender:Male
• Location:Upper Midwest, US
• Local time:01:19 AM

Posted 27 June 2008 - 01:22 PM

And the basic addition function is a 'half-adder', which is nothing more than an 'exclusive or' gate. Add an 'and' gate, to get the carry, and you have a full-adder.
Derfram
~~~~~~

### #6 Sterling14

Sterling14

• Members
• 1,842 posts
• OFFLINE
•
• Gender:Male
• Location:New York
• Local time:02:19 AM

Posted 27 June 2008 - 09:22 PM

How do they do exponents?
"I think there is a world market for maybe five computers." - Thomas Watson, Chairman of IBM, 1943

### #7 MattV

MattV

• Members
• 736 posts
• OFFLINE
•
• Gender:Male
• Location:Asheville NC
• Local time:04:19 AM

Posted 27 June 2008 - 10:27 PM

Hair follicles will continue to function for a short period of time after death, due to the way the blood is supplied. So hair will continue to grow, but only for a short time and the amount of growth is negligible.

I've done no research on the nails, so I can't definitively say one way or the other.

### #8 nigglesnush85

nigglesnush85

• Members
• 4,371 posts
• OFFLINE
•
• Gender:Male
• Location:UK
• Local time:07:19 AM

Posted 28 June 2008 - 05:10 AM

I was also told in passing that NASA only uses the old Intel 386's as they know how to communicate directly with the core. Don't know if that's true or not.

Also, did anyone know that the first bug ever recorded in a computer was actually a moth that had gotten into a relay somewhere? And the term debugging comes from when technicians would enter the tower (they were a lot bigger in those days) and clear away all the moths and other bugs.
Regards,

Alan

### #9 MattV

MattV

• Members
• 736 posts
• OFFLINE
•
• Gender:Male
• Location:Asheville NC
• Local time:04:19 AM

Posted 28 June 2008 - 03:52 PM

If alloted four square feet apiece (2' x 2'), the entire population of the Earth could fit into a square just thirty miles on a side. With room left for some Porta-Johns and a couple of hot dog stands.

### #10 yano

yano

I can see what you post!

• Members
• 6,469 posts
• OFFLINE
•
• Gender:Male
• Local time:02:19 AM

Posted 29 June 2008 - 05:56 PM

Makes sense. I kinda knew this before hand, mostly because computers can only understand 1's and 0's. Really computers can only remember how many 1's it has and how many 0's it has or doesn't have.

### #11 ill_Nino

ill_Nino

• Members
• 90 posts
• OFFLINE
•
• Gender:Male
• Location:Australia
• Local time:06:19 PM

Posted 29 June 2008 - 06:52 PM

I didn't know it, had a rough idea of that it being true.

Where can you verify this?

#### 0 user(s) are reading this topic

0 members, 0 guests, 0 anonymous users