What is the difference between HP 45 78 ink and HP 45 78 D ink?

Answer the 78D is actually the old coding for a low volume cartirdge.The old version 9up until a few months ago used to be 6578d and the high volume was 6578aRecently HP has changed all of their high volu... Read More »

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Whats difference between 16mm and 35mm and other mm in cameras i mean any performace difference ?

There are two meanings of "mm" in cameras.One is the size of the film in film cameras. The standard compact, SLR and disposable cameras used 35mm film. This had a frame measurement of 24mm x 36mm... Read More »

What is the difference between XBox and PS3 and what is the thing with the blue ray difference?

What i the difference between mac and normal pc's i want a mac but whats the difference?

1080p vs. 1080i ... Is there a difference If "YES" what is the difference?

Yes. But what the difference is, and under what circumstances it matters takes a longer explanation. Sorry, but as with most things to do with home theatre it is necessary to look beyond the simple... Read More »