Pen drives generally have more storage capacity than CDs with CDs usually having just around 700 Megabytes for storage. Pen drives on the other hand can reach up to 2 Terabytes of data storage capacity. If the file she needs to save is high, Elsa should use the pen drive.
Scratch resistant
CDs can be scratched on the way to the house and lose some data or make it harder to extract. Pen drives do not have such problems are they are encased in an outer casing.
Portable and Accessible.
Pen drives are easy to carry which makes them portable and they are easier to use because a lot of computers do not have a CD drive but every computer has a port for a pen drive therefore making data in pen drives more accessible.
Answer: the continue numbering feature can be used to maintain the numbering order in a list and the restart at 1 feature can be used to make a new list
