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Solved: what the heck is the smart card and PCMCIA card slot

Discussion in 'Hardware' started by green_stuff, Dec 30, 2014.

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  1. green_stuff

    green_stuff Thread Starter

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    i have done a lot of googling and i still don't understand what are they good for but i have a feeling they r some sort of old data storing devices like the floppy disks. anyway here is the picture of the smart card reader http://www.mega.pk/items_images/4962Dell_Latitude_E6420_496a.jpg its the long horizontal slot . i read a lot of confusing topics of people talking about smart cards of phones and cameras , im interested in knowing what the laptop smart card reader is good for , or the other thing the pcmcia ,
     
  2. etaf

    etaf Moderator

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    its for adding additional hardware to the laptop - for example you can get a TV tuner - so you can watch TV on the laptop
    also firewire connections for use with Video cameras etc
    also bluetooth
    etc
    lookup express cards as well
     
  3. green_stuff

    green_stuff Thread Starter

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    i see , so it s pretty much useless right, we have tv at home and i have never sat down to watch it in so many years
     
  4. etaf

    etaf Moderator

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    No, its very useful for people who need additional devices on the PC
    bluetooth will allow phones to connect
    Firewire allows video to be transferred and edited
    Parallel interface for older printers
    Sata connectors
    But if you personally do not need any of those - then use useless to you
     
  5. green_stuff

    green_stuff Thread Starter

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    yep those are useless slots everything uses the usb port now even the external hard drive my laptop has a sata port but it will remain useless, shame though, thnx a lot for the info , it was bugging me
     
  6. etaf

    etaf Moderator

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    yes, usb is OK - but not as fast on usb2 - so i would still use express card for firewire or sata
     
  7. prunejuice

    prunejuice

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    I believe you're thinking of PCMCIA card slots.

    "Smart Cards" are used as security/authentication features, generally on business class laptops.
     
  8. DaveBurnett

    DaveBurnett Account Closed

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    PCMCIA or to probably be more accurate if it is 32bit CARDBUS is a way of connecting hardware directly to the 32bit BUS of your machine. PCMCIA is the older 16bit equivalent.
    Both are the same physical size.
    Express card is a newer similar idea for a PCI Express bus. All these tend to rely on the PC to supply the CPU

    Smart Cards are a similar idea but with fewer contacts and a lot smaller. Many Smart Cards actually have computing resources built into them.
     
  9. Triple6

    Triple6 Moderator

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    Also, very useful if you run out of USB ports or the USB ports break or you want to upgrade to faster USB ports. Or if say you want to add eSATA so you can run your external drive from eSATA instead of USB. While you may consider them "useless" they are in fact not and used many people.

    That's for PCMCIA and ExpressCard slots.

    Smart cards are used for many security applications but can be used for other purposes as well.

    As always a good starting point for research is Wikipedia.

    Smart cards: http://en.wikipedia.org/wiki/Smart_card

    PC Card/PCMCIA: http://en.wikipedia.org/wiki/PC_Card

    ExpressSlot: http://en.wikipedia.org/wiki/ExpressCard
     
  10. green_stuff

    green_stuff Thread Starter

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    wonderful, thnx a lot guys you'fve been very helpful
     
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