Personal digital assistant and Personal organizer

Personal digital assistant noun - A lightweight consumer electronic device that looks like a hand-held computer but instead performs specific tasks; can serve as a diary or a personal database or a telephone or an alarm clock etc..

Personal organizer is a synonym for personal digital assistant. In some cases you can use "Personal organizer" instead a noun phrase "Personal digital assistant".

Personal organizer noun - A lightweight consumer electronic device that looks like a hand-held computer but instead performs specific tasks; can serve as a diary or a personal database or a telephone or an alarm clock etc..

Personal digital assistant is a synonym for personal organizer in agenda topic. You can use "Personal digital assistant" instead a noun phrase "Personal organizer".