The MessagePad was often called the Newton because of the operating system on which it ran. It also included a 240×336 resolution (85 dpi) 2.8 × 4-inch LCD screen, one PCMCIA Type II expansion socket, and a data transfer rate of 9,600 bits per second. It ran on Apple's Newton operating system and featured 640 kilobytes of random access memory (RAM), 3 megabytes of read-only memory (ROM) that stored applications, and a low-voltage 20 megahertz 32-bit ARM 610 microprocessor. Apple's NewtonĪpple Computer released the Apple MessagePad in August 1993. In the 1990s several companies introduced popular PDAs, including the Apple Newton, the PalmPilot, and the BlackBerry. The organizers from this period all incorporated some version of common PDA features, including small keyboards and display screens, an alarm clock, a calendar, a telephone pad, and a calculator. Two of the more successful models came in the second half of the decade, when Psion released the Psion Organizer in 1984 and Sharp released the Sharp Wizard organizer in 1988.
The first electronic organizers were released in the 1980s by Matsushita, Casio, Hewlett-Packard, and other manufacturers. By the 1970s manufacturers produced electronic dictionaries, language translators, and calculators with other functions integrated into them clocks, alarms, and calendars, for example. In the 1960s IBM shipped its first computers to corporate and university labs. PDAs can be synchronized with a user's home computer that is, information can be passed between computer and device. The device comes with a port so that its battery can be recharged the first PDAs, however, ran on standard alkaline batteries. PDAs come with expansion slots, which allow the device to be programmed with extra functions, such as GPS. Users can also tap on the keyboard or scroll through the menu to access functions. Users access the PDA's various functions by using a stylus (pen) and writing on the screen all PDAs employ some form of handwriting recognition software. They have black & white or color liquid crystal display (LCD) screens. PDAs are about the size of a deck of cards. Some people refer to handheld PCs as palmtops.
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Microsoft uses the term handheld PC to refer to any computer smaller than a laptop. Two popular brands, the BlackBerry and the PalmPilot, or just Palm, are used interchangeably by some people to refer to the entire PDA category. A PDA is sometimes referred to as a handheld computer or a handheld personal computer. The popularity of the personal digital assistant has sparked some confusion in terminology.
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The most recent models, as of 2007, have wireless capabilities, which allow them to act as Global Positioning Satellite (GPS) devices, mobile phones (smartphones), or portable media players. They can also hold maps and city guides and display photos. The devices can also be used to check e-mail, create and manage spreadsheets, store phone numbers, appointments, tasks, and notes. Since their introduction in the 1990s many features have been added, including calculators, video games, and Internet Web browsers. Personal digital assistants (PDAs) are handheld computers originally designed to manage the personal information of the user. NAICS-Based Product Codes: 33-41117015 PRODUCT OVERVIEW SIC: 3571 Electronic Computer Manufacturing
NAICS: 33-4111 Electronic Computer Manufacturing
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