What Is the Function of a PC Card?
In order to increase the basic memory functions of a computer, the PC card was originally designed to function as a data storage device. The popularity of the PC card among computer users and its preferential use by industry professionals made the PC card technology, and its expanded functionality, the standard upon which all related devices have been based.
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History
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The original PC card, introduced as the PCMCIA card, was an internally installed piece of hardware that expanded memory in personal computers, such as the laptop.
Significance
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The development of the PC card gave computers, particularly mobile computers, the expanded ability to process and retain information--a function that makes the modern computer more than just a calculator.
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Operation
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By coordinating with a computer's central processing unit, PC cards have become the mechanism for expanding many of core functions seen in modern computing. This includes the accelerated transfer of data, support of peripheral equipment, and enhanced performance of advanced computing applications, such as multimedia or security programs.
Types
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There are three types of PC cards with separate capacities. Type 1 is for the simple expansion of memory, such as ROM, RAM and Flash).
Type II, which is the most common type, provides input and output capability for network connections. This includes wireless and Ethernet connections.
Type III supports the use of heavy peripheral hardware, such as rotating mass storage devices.
Versatility
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The technology of the PC card makes it an extremely versatile platform that can provide data storage and retrieval functions in devices other than desktop and laptop computers. This includes video game consoles, digital cameras, and handheld computers.
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