PDAs
Personal
digital assistants (PDAs) are handheld computers, but have
become much more versatile over the years. PDAs are also known
as small computers or palmtop computers. PDAs have many uses:
calculation, use as a clock and calendar, accessing the Internet,
sending and receiving E-mails, video recording, typewriting
and word processing, use as an address book, making and writing
on spreadsheets, scanning bar codes, use as a radio or stereo,
playing computer games, recording survey responses, and Global
Positioning System (GPS). Newer PDAs also have both color
screens and audio capabilities, enabling them to be used as
mobile phones (smartphones), web browsers, or portable media
players. Many PDAs can access the Internet, intranets or extranets
via Wi-Fi, or Wireless Wide-Area Networks (WWANs). Many PDAs
employ touch screen technology.
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