Saturday, 8 October 2011

Interfaces input-output


The interfaces of input-output can extend the functionality of laptop computers by allowing connections to additional devices. Laptops usually have connectors on a PC Card (PCMCIA) to insert additional devices. The USB ports are present on all recent laptops, but it is important to note whether this is USB 1.0, offering a maximum speed of 12 Mbps, or USB 2.0 ports, up to 480 Mbps.
The presence of IEEE 1394 (bearing the name of Fire wire for Apple and I. LINK for IBM) may be particularly interesting for the video from a DV camcorder. The FireWire ports can achieve speeds of around 800 Mbps! Some have portable drives as standard Multi able to read the flash memory format Secure Digital (SD Card), Multimedia Card (MMC), Memory Stick (MS), SmartMedia (SM), Compact Flash (CF) or xD picture card

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