You wish to save the changed version of a document that was originally located on a standard CD-ROM. What is the best method to accomplish this?
1
Read the document from the CD‐ROM, modify the document, then save it to the hard disk
2
Read the document from the CD‐ROM, modify the document, then save it back to the CD‐ROM
3
Rename the document from the CD‐ROM, read and modify the document, then save it to the hard drive
4
Copy the document from the CD‐ROM to the hard drive, read the document, modify it, and save it back to the CD‐ROM