A primary key is a field that contains data unique to a record
Cleaning up a system helps clear up the space on the drives. It may also clear up processor usage, ram usage if you uninstall programs that automatically started when the system booted. You may also delete some unwanted programs in the process.
The application program that saves data automatically as it is entered is the MS Access.
For the list of application, either check in the book or come up with yourself.
All application not depend on the 32 bit or 64 bit processor.
Answer:
incremental
Explanation:
An incremental backup backs up only the files on a computer that have changed since the last time a backup was performed.
