SUBE CARD PASARINx - itgs2012-2013

Sube


03/08/2012


Sofia Pasarin




Sofia Pasarin

03/08/2012

4ºA


2


Sube Card

1.

What are the hardware and software involved? (mention and describe
the components of this system)

Hardware

Software

16
-
bit embedded
microprocessor, under a gold
contact pad on one side of the
card, for security



up to 8

kilobytes

of RAM



346 kilobytes of

ROM



256 kilobytes of
programmable ROM




serial interface which
receives its power from
external sources like a card
reader.



limit
ed instruction set for
applications such as
cryptography.


2.

Explain how does the technology works







The processor uses a limited instruction set for applications such as cryptography

Smart Card

uses a serial interface

receives its power from external sources like a card
reader

Microprocessor

enforces access to the

The host computer and card reader

"talk" to the

Sofia Pasarin

03/08/2012

4ºA


3



3.

What are the benefits of using this card?

Are there any
drawbacks?



4.

Suggest other uses of this technology.

a.

Credit cards

b.

Electronic cash

c.

Computer security systems

d.

Wireless communication

e.

Loyalty systems (like frequent flyer points)

f.

Banking

g.

Satellite TV

h.

Government identification


5.

Explain the social impact of the use of the SUBE in our society

Advantages

Disadvantages

Security

Easy to be olost

Difficult to be
implemented

Identity theft

Security

Safe to stransport

The double serves as
an ID card

No fraud