is a small handheld computer that performs simple tasks such as taking notes, scheduling appointments, and maintaining an address book and a calendar PDA.
Step-by-step explanation:
Personal Digital Assistant is the full form for PDA. PDAs are the computers in smaller size. They perform all works that are performed by a computer. They help you in viewing all the documents that you need, scheduling all your works,etc. They act as a mini sized computer that you can take where ever you go.
Using PDAs you can easily schedule any tasks, take notes, maintain all your contacts in address books,etc. Even though the markets of PDAs is not having higher demands because of the existence of i phones and other devices that are identical to i phones, there are still some usages and demands for PDAs. These are used in industries and businesses.