In this task, you will perform online research on the methods used for backing up data. Write a paragraph on the importance of backing up data and mention at least three ways to back up data from your computer.

The main reason for data backup is to save important files if a system crash or hard drive failure occurs. There should be additional data backups if the original backups result in data corruption or hard drive failure.Additional backups are necessary if natural or man-made disasters occur

which functions return a valid value without any arguments?

(-blank- and -blank- return a valid value without any arguments.)

1st -blank-

today

sqrt

count

2nd -blank-

round

now

sqrt