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Is it ungrammatical? Unacceptable? Would you say a phrase like this? and if so, in what context? Do you need a clear context to say it?

Thank you for your help!

2 Answers2

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It's perfectly grammatical and colloquial. It means that computers, as a concept or as a whole, are useful tools, but it might be that the speaker is implying that the listener should acquire a computer

"The computer is a …" would either mean the former, or it might be referring to a specific computer being useful.

wfaulk
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Grammatically it's correct, and talking about context, it could be used if you are talking with a person who doesn't know what a computer is, an you say "A computer is a very useful tool..."

Alex
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  • Thank you for your answer. "(...) it could be used if you are talking with a person who doesn't know what a computer is (...)": That is exactly what I thought it could be related to. There is a debate on the generic use of "a(n)" in the position of subject before the verb, and I wasn't sure about how this sentence would be taken. Thank you! – Daltoniana Nov 15 '15 at 06:46