Expansion Cards-Its Origin and Uses

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Expansion Cards
Its Origin and Uses
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Introduction

• An expansion card can be defined as the
  electronic board/card that can be inserted into
  the expansion slot of a computer motherboard for
  adding more functionality to the system via the
  expansion bus.

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Its Origin

• The first expansion slot was introduced in
  1973 as Micral N. It was launched to add features
  and functionalities to the first commercial
  microcomputer.

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Uses of expansion card

• It can be used for the following functions
  like
• Adding media card readers
• Connecting to a fast hard disk
• Getting mobile broadband
• Adding USB and Firewire ports
• Recording TV programs

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Adding Media Card Readers

• Media card reader is a data input device that
  can read data from a card shaped storage medium.
  Many notebooks generally have built-in card
  readers but it may support all the memory cards.

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Connecting to a fast hard disk

• Most of the external hard disks can be
  connected to the system via Firewire or USB but
  few can be used as eSata cable. If the notebook
  does not have the eSata port,2 Belkins Sata 2
  express cards can be added.

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Getting Mobile Broadband

• A broadband contract is required for this
  function. By adding this feature, internet can be
  accessed on the move. And as availing internet
  connection is getting cheaper day by day, this
  feature can be very useful.

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Adding USB and Firewire Ports

• Many smaller notebooks have limited number of
  sockets for USB devices. Belkins USB 2.0 and
  Firewire express cards can be added. Firewires
  socket will be ideal for camcorders and external
  hard disks.

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Recording TV Programs

• Express cards can be used to enjoy television
  on the move without the bulk of an USB device. An
  aerial is required for this purpose.

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Conclusion

• Thus an expansion card can be very useful in
  different ways. Few of the most widely used
  expansion cards can be named as IBM expansion
  cards and IBM broadcom expansion card.

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