P - Definitions
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P
personal digital assistant (PDA)
A personal digital assistant (PDA) is a small, mobile, handheld device that provides computing and information storage and retrieval capabilities for personal or business use, often for keeping schedules, calendars and address book information handy.
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push notification
Push notification, also called server push notification, is the delivery of information from a software application to a computing device without a specific request from the client.
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What is a personal area network (PAN)?
A personal area network (PAN) is a small network that interconnects technology devices within a limited range of just a few meters.