question 9 (1 point)\npersonal digital assistants most commonly use which of these technologies?\n1) optical…

question 9 (1 point)\npersonal digital assistants most commonly use which of these technologies?\n1) optical scanning\n2) pen - based computing\n3) jump drives\n4) back - lit keyboards
Answer
Brief Explanations:
Personal digital assistants (PDAs) historically and commonly used pen - based computing. Optical scanning is more for document scanning, jump drives are for data storage/transfer, and back - lit keyboards are for visibility in low - light, not a defining tech for PDAs.
Answer:
- Pen - based computing