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  #1  
Old 06-02-2004, 04:33 PM
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TranceSpeeder TranceSpeeder is offline
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help my friend on his computer class!

are the contents of ram erased when you turn off your computer? true or false?
 
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  #2  
Old 06-02-2004, 04:42 PM
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False
 
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  #3  
Old 06-02-2004, 04:56 PM
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false.. when you lose power to the computer then you do.
 
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Old 06-02-2004, 05:15 PM
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RAM is volatile ROM is non-volatile.
 
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Old 06-02-2004, 05:16 PM
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I've changed my mind... I would say, True

Because RAM is not needed when the computer is off. Ram is only used when the computer is on, it seems to me.
 
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Old 06-02-2004, 05:24 PM
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...
 
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Old 06-02-2004, 05:27 PM
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The contents of RAM are lost when the computer is turned off.
 
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  #8  
Old 06-02-2004, 05:28 PM
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Well that's what I gathered too

I was just giving a quick read about RAM at "how stuff works".
 
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Old 06-02-2004, 05:30 PM
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Scuse me wrong way around need some sleep
 
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Old 06-02-2004, 05:38 PM
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Fusion, you are wrong! When the power goes off you lose what is memory (RAM) , ROM is static - like a CD or a DVD. The content are not erased, you lose what is in memory provided that the memory loses its charge. That is why you are told to turn off your Windows computer when you have a major problem - like a program crashes. Don't want to restart the program with the code that caused the problem still in memory. You turn it off and wait a minute and then reboot your windows computer.
 
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Old 06-02-2004, 05:43 PM
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seonewbee I know! -- I posted them back-to-front. Your 8 minutes late with that one

ps. I like the red devil seeing as I am a big Manutd fan!
 
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Old 06-02-2004, 06:00 PM
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when comp goes off you dont lose whats in RAM.. its when power goes off..
 
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Old 06-02-2004, 06:13 PM
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Quote:
Originally Posted by theSpear
when comp goes off you dont lose whats in RAM.. its when power goes off..
The original question was about state of RAM when the computer is turned off. When the computer is turned off it's because the power supply is off. You seem to be thinkng about standby mode (sleep mode aka hybernation mode) in which the power is not really off but some components, mainly mechanical are functioning at lower voltage rates, or at diminished capacities.
 
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Old 06-02-2004, 06:25 PM
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pass...
 
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Old 06-02-2004, 06:33 PM
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no.. system clock is stored in RAM I believe.. and thats what that small battery is for. all it powers is the RAM i believe to not lose the date/time
 
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Old 06-02-2004, 06:38 PM
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RAM is only used when the computer is on. A re-boot shuts the computer off momentarily at which time the memory states of the RAM IC's are lost, and when power is re-applied automatically during re-boot, the RAM IC's are written to again by the loading programs and what ever other commands you decide to throw at it. This is the way it seems to work, from what I've been reading.
 
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  #17  
Old 06-02-2004, 06:45 PM
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Quote:
Originally Posted by theSpear
no.. system clock is stored in RAM I believe.. and thats what that small battery is for. all it powers is the RAM i believe to not lose the date/time
I'm sorry to inform you that yor belief is misplaced. System clock is stored in BIOS chip and has nothing to do with RAM. Otherwise you would have to reset the clock every time you change or install RAM.

Also, notice that when you build a new computer and install RAM chips, the computer somehow knows the time and date. How do you think could it know that if you just installed RAM chips that you had brought from the store in a plastic packaging without power supply inside? Well, the time is not kept in RAM but on the motherboard in BIOS.
 
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  #18  
Old 06-02-2004, 06:49 PM
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handbags
 
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  #19  
Old 06-02-2004, 07:04 PM
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sorry ;(
 
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  #20  
Old 06-02-2004, 07:18 PM
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Quote:
Originally Posted by theSpear
sorry ;(
no harm done I guess. Now you know :wink:
 
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