Short for Personal Digital Assistant.
A PDA is a handheld machine that lets you manage a diary, contact list, address book, 'To-Do' lists and other functions. Modern PDAs may also double up as mobile phones, email reader and (limited) internet browsing.
A PDA typically consists of an LCD screen, either colour or monochrome, and some input device, such as a touch sensitve pen although some do have tiny keyboards.
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