Office Open XML (OOXML) format was introduced with Microsoft Office 2007 and became the default format of Microsoft Word ever since. Pertaining file extensions include: .docx – Word document. .docm – Word macro-enabled document; same as docx, but may contain macros and scripts.
C-hard disk, DVD and cd are laser technology, and for usb - flash memory
1970-80s which is when some of the first computers were created like apple computers which looked like a giant cube and a rectangle on the side which is very different than what we have today.
Hope this helps!
