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overhead

 
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oxzq



Joined: 25 Mar 2010
Posts: 1
PostPosted: Thu Apr 01, 2010 9:44 pm    Post subject: overhead Reply with quote
Hello:
Quote: Context-switch time is �overhead�;the system does no useful work while switching.

I have a problem about the overhead meaning. I can�t know the word meaning clearly in the sentence. How to descriptor the word?

Thanks for your help.
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pinenut



Joined: 16 Feb 2006
Posts: 165
Location: Illinois, U.S.A.
PostPosted: Fri Apr 02, 2010 6:36 am    Post subject: Re: overhead Reply with quote
oxzq wrote:
Hello:
Quote: Context-switch time is �overhead�;the system does no useful work while switching.

I have a problem about the overhead meaning. I can�t know the word meaning clearly in the sentence. How to descriptor the word?

Thanks for your help.


A good dictionary such as Oxford Advanced Learner's explains like this:

[only before noun] connected with the general costs of running a business or an organization, for example paying for rent or electricity: overhead costs
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