internally

What is the difference between the two size of Hard disks ? I am buying a new PC and due to outrageous prices for HDD, i have been thinking of using the HDD of my laptop.. Is it possible to use it with my pc ? I mean internally , not by using a USB bracket.. Also, i believe it is a 5400 RPM...

MS Office to skip past 'unlucky' 13 in 2009 Microsoft Corp. may have just released Office 2007 to consumers mere weeks ago, but the company is already working hard on the next version -- internally known as Office 14 -- and targeting it for release in the first half of 2009, according to...